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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-23 10:52:10 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-23 10:52:10 +0300
commit1859a772e2744da8d4ddb987e010541e312adf69 (patch)
tree33b27932e8a754221e69477c5ed1cfc47eb1baee /drivers
parent4e74eeb27e2873e923fee883df64341dae9ecdbb (diff)
parent3d7b0ca5300bd01b176f2b4c10e173db802560d8 (diff)
downloadlinux-1859a772e2744da8d4ddb987e010541e312adf69.tar.xz
Merge tag 'phy-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-next
Vinod writes: phy for 5.9 - New PHY Drivers: - Samsung UFS - Qcom USB DWC for ipq806x - Xilinx ZynqMP Gigabit Transceiver - Qcom USB QMP for IPQ8074 - BCM63xx USBH - Removed: - Qcom ufs qmp phy driver - Updates: - Support for Qcom SM8250 QMP V4 USB3 UNIPHY - qcom-snps runtime pm support - Cleanup of W=1 warns in the subsystem * tag 'phy-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (46 commits) phy: qualcomm: fix setting of tx_deamp_3_5db when device property read fails phy: bcm63xx-usbh: Add BCM63xx USBH driver dt-bindings: phy: add bcm63xx-usbh bindings phy: armada-38x: fix NETA lockup when repeatedly switching speeds dt: update Marvell Armada 38x COMPHY binding phy: samsung-ufs: Fix IS_ERR argument dt-bindings: phy: renesas,usb3-phy: Add r8a774e1 support dt-bindings: phy: renesas,usb2-phy: Add r8a774e1 support phy: renesas: rcar-gen3-usb2: exit if request_irq() failed phy: renesas: rcar-gen3-usb2: move irq registration to init devicetree: bindings: phy: Document ipq806x dwc3 qcom phy phy: qualcomm: add qcom ipq806x dwc usb phy driver phy: samsung-ufs: add UFS PHY driver for samsung SoC dt-bindings: phy: Document Samsung UFS PHY bindings phy: sun4i-usb: explicitly include gpio/consumer.h phy: stm32: use NULL instead of zero phy: exynos5-usbdrd: use correct format for structure description phy: rockchip-typec: use correct format for structure description phy: xgene: remove unsigned integer comparison with less than zero phy: mapphone-mdm6600: Add missing description for some structure fields ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/phy/Kconfig1
-rw-r--r--drivers/phy/Makefile17
-rw-r--r--drivers/phy/allwinner/Kconfig2
-rw-r--r--drivers/phy/allwinner/phy-sun4i-usb.c3
-rw-r--r--drivers/phy/allwinner/phy-sun6i-mipi-dphy.c4
-rw-r--r--drivers/phy/broadcom/Kconfig8
-rw-r--r--drivers/phy/broadcom/Makefile1
-rw-r--r--drivers/phy/broadcom/phy-bcm63xx-usbh.c457
-rw-r--r--drivers/phy/cadence/phy-cadence-salvo.c2
-rw-r--r--drivers/phy/marvell/phy-armada38x-comphy.c45
-rw-r--r--drivers/phy/marvell/phy-mvebu-a3700-utmi.c2
-rw-r--r--drivers/phy/motorola/phy-mapphone-mdm6600.c3
-rw-r--r--drivers/phy/phy-core.c5
-rw-r--r--drivers/phy/phy-xgene.c2
-rw-r--r--drivers/phy/qualcomm/Kconfig34
-rw-r--r--drivers/phy/qualcomm/Makefile4
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c571
-rw-r--r--drivers/phy/qualcomm/phy-qcom-qmp.c510
-rw-r--r--drivers/phy/qualcomm/phy-qcom-qmp.h7
-rw-r--r--drivers/phy/qualcomm/phy-qcom-qusb2.c3
-rw-r--r--drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c85
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ufs-i.h131
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c172
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.h168
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c226
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.h226
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ufs.c648
-rw-r--r--drivers/phy/renesas/phy-rcar-gen3-usb2.c63
-rw-r--r--drivers/phy/rockchip/phy-rockchip-typec.c2
-rw-r--r--drivers/phy/samsung/Kconfig17
-rw-r--r--drivers/phy/samsung/Makefile1
-rw-r--r--drivers/phy/samsung/phy-exynos-dp-video.c4
-rw-r--r--drivers/phy/samsung/phy-exynos-mipi-video.c4
-rw-r--r--drivers/phy/samsung/phy-exynos-pcie.c2
-rw-r--r--drivers/phy/samsung/phy-exynos5-usbdrd.c16
-rw-r--r--drivers/phy/samsung/phy-exynos7-ufs.h81
-rw-r--r--drivers/phy/samsung/phy-samsung-ufs.c366
-rw-r--r--drivers/phy/samsung/phy-samsung-ufs.h139
-rw-r--r--drivers/phy/samsung/phy-samsung-usb2.c2
-rw-r--r--drivers/phy/st/phy-stm32-usbphyc.c4
-rw-r--r--drivers/phy/ti/phy-dm816x-usb.c11
-rw-r--r--drivers/phy/ti/phy-ti-pipe3.c5
-rw-r--r--drivers/phy/xilinx/Kconfig13
-rw-r--r--drivers/phy/xilinx/Makefile3
-rw-r--r--drivers/phy/xilinx/phy-zynqmp.c993
45 files changed, 3372 insertions, 1691 deletions
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index b3ed94b98d9b..de9362c25c07 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -70,5 +70,6 @@ source "drivers/phy/st/Kconfig"
source "drivers/phy/tegra/Kconfig"
source "drivers/phy/ti/Kconfig"
source "drivers/phy/intel/Kconfig"
+source "drivers/phy/xilinx/Kconfig"
endmenu
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 310c149a9df5..c27408e4daae 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -8,24 +8,25 @@ obj-$(CONFIG_GENERIC_PHY_MIPI_DPHY) += phy-core-mipi-dphy.o
obj-$(CONFIG_PHY_LPC18XX_USB_OTG) += phy-lpc18xx-usb-otg.o
obj-$(CONFIG_PHY_XGENE) += phy-xgene.o
obj-$(CONFIG_PHY_PISTACHIO_USB) += phy-pistachio-usb.o
-obj-$(CONFIG_ARCH_SUNXI) += allwinner/
-obj-$(CONFIG_ARCH_MESON) += amlogic/
-obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/
-obj-$(CONFIG_ARCH_RENESAS) += renesas/
-obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
-obj-$(CONFIG_ARCH_TEGRA) += tegra/
-obj-y += broadcom/ \
+obj-y += allwinner/ \
+ amlogic/ \
+ broadcom/ \
cadence/ \
freescale/ \
hisilicon/ \
intel/ \
lantiq/ \
marvell/ \
+ mediatek/ \
motorola/ \
mscc/ \
qualcomm/ \
ralink/ \
+ renesas/ \
+ rockchip/ \
samsung/ \
socionext/ \
st/ \
- ti/
+ tegra/ \
+ ti/ \
+ xilinx/
diff --git a/drivers/phy/allwinner/Kconfig b/drivers/phy/allwinner/Kconfig
index e760d89d3976..fb584518b2d0 100644
--- a/drivers/phy/allwinner/Kconfig
+++ b/drivers/phy/allwinner/Kconfig
@@ -22,7 +22,7 @@ config PHY_SUN4I_USB
config PHY_SUN6I_MIPI_DPHY
tristate "Allwinner A31 MIPI D-PHY Support"
depends on ARCH_SUNXI || COMPILE_TEST
- depends on HAS_IOMEM
+ depends on HAS_IOMEM && COMMON_CLK
depends on RESET_CONTROLLER
select GENERIC_PHY
select GENERIC_PHY_MIPI_DPHY
diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
index e5842e48a5e0..651d5e2a25ce 100644
--- a/drivers/phy/allwinner/phy-sun4i-usb.c
+++ b/drivers/phy/allwinner/phy-sun4i-usb.c
@@ -7,7 +7,7 @@
* Based on code from
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
*
- * Modelled after: Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY driver
+ * Modelled after: Samsung S5P/Exynos SoC series MIPI CSIS/DSIM DPHY driver
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
*/
@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/extcon-provider.h>
+#include <linux/gpio/consumer.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
diff --git a/drivers/phy/allwinner/phy-sun6i-mipi-dphy.c b/drivers/phy/allwinner/phy-sun6i-mipi-dphy.c
index 79c8af5c7c1d..1fa761ba6cbb 100644
--- a/drivers/phy/allwinner/phy-sun6i-mipi-dphy.c
+++ b/drivers/phy/allwinner/phy-sun6i-mipi-dphy.c
@@ -233,7 +233,7 @@ static int sun6i_dphy_exit(struct phy *phy)
}
-static struct phy_ops sun6i_dphy_ops = {
+static const struct phy_ops sun6i_dphy_ops = {
.configure = sun6i_dphy_configure,
.power_on = sun6i_dphy_power_on,
.power_off = sun6i_dphy_power_off,
@@ -241,7 +241,7 @@ static struct phy_ops sun6i_dphy_ops = {
.exit = sun6i_dphy_exit,
};
-static struct regmap_config sun6i_dphy_regmap_config = {
+static const struct regmap_config sun6i_dphy_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
diff --git a/drivers/phy/broadcom/Kconfig b/drivers/phy/broadcom/Kconfig
index b29f11c19155..a1f1a9c90d0d 100644
--- a/drivers/phy/broadcom/Kconfig
+++ b/drivers/phy/broadcom/Kconfig
@@ -2,6 +2,14 @@
#
# Phy drivers for Broadcom platforms
#
+config PHY_BCM63XX_USBH
+ tristate "BCM63xx USBH PHY driver"
+ depends on BMIPS_GENERIC || COMPILE_TEST
+ select GENERIC_PHY
+ help
+ Enable this to support the BCM63xx USBH PHY driver.
+ If unsure, say N.
+
config PHY_CYGNUS_PCIE
tristate "Broadcom Cygnus PCIe PHY driver"
depends on OF && (ARCH_BCM_CYGNUS || COMPILE_TEST)
diff --git a/drivers/phy/broadcom/Makefile b/drivers/phy/broadcom/Makefile
index c78de546135c..7024127f86ad 100644
--- a/drivers/phy/broadcom/Makefile
+++ b/drivers/phy/broadcom/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_PHY_BCM63XX_USBH) += phy-bcm63xx-usbh.o
obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o
obj-$(CONFIG_BCM_KONA_USB2_PHY) += phy-bcm-kona-usb2.o
obj-$(CONFIG_PHY_BCM_NS_USB2) += phy-bcm-ns-usb2.o
diff --git a/drivers/phy/broadcom/phy-bcm63xx-usbh.c b/drivers/phy/broadcom/phy-bcm63xx-usbh.c
new file mode 100644
index 000000000000..6c05ba8b08be
--- /dev/null
+++ b/drivers/phy/broadcom/phy-bcm63xx-usbh.c
@@ -0,0 +1,457 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BCM6328 USBH PHY Controller Driver
+ *
+ * Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
+ * Copyright (C) 2015 Simon Arlott
+ *
+ * Derived from bcm963xx_4.12L.06B_consumer/kernel/linux/arch/mips/bcm963xx/setup.c:
+ * Copyright (C) 2002 Broadcom Corporation
+ *
+ * Derived from OpenWrt patches:
+ * Copyright (C) 2013 Jonas Gorski <jonas.gorski@gmail.com>
+ * Copyright (C) 2013 Florian Fainelli <f.fainelli@gmail.com>
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+
+/* USBH control register offsets */
+enum usbh_regs {
+ USBH_BRT_CONTROL1 = 0,
+ USBH_BRT_CONTROL2,
+ USBH_BRT_STATUS1,
+ USBH_BRT_STATUS2,
+ USBH_UTMI_CONTROL1,
+#define USBH_UC1_DEV_MODE_SEL BIT(0)
+ USBH_TEST_PORT_CONTROL,
+ USBH_PLL_CONTROL1,
+#define USBH_PLLC_REFCLKSEL_SHIFT 0
+#define USBH_PLLC_REFCLKSEL_MASK (0x3 << USBH_PLLC_REFCLKSEL_SHIFT)
+#define USBH_PLLC_CLKSEL_SHIFT 2
+#define USBH_PLLC_CLKSEL_MASK (0x3 << USBH_PLLC_CLKSEL_MASK)
+#define USBH_PLLC_XTAL_PWRDWNB BIT(4)
+#define USBH_PLLC_PLL_PWRDWNB BIT(5)
+#define USBH_PLLC_PLL_CALEN BIT(6)
+#define USBH_PLLC_PHYPLL_BYP BIT(7)
+#define USBH_PLLC_PLL_RESET BIT(8)
+#define USBH_PLLC_PLL_IDDQ_PWRDN BIT(9)
+#define USBH_PLLC_PLL_PWRDN_DELAY BIT(10)
+#define USBH_6318_PLLC_PLL_SUSPEND_EN BIT(27)
+#define USBH_6318_PLLC_PHYPLL_BYP BIT(29)
+#define USBH_6318_PLLC_PLL_RESET BIT(30)
+#define USBH_6318_PLLC_PLL_IDDQ_PWRDN BIT(31)
+ USBH_SWAP_CONTROL,
+#define USBH_SC_OHCI_DATA_SWAP BIT(0)
+#define USBH_SC_OHCI_ENDIAN_SWAP BIT(1)
+#define USBH_SC_OHCI_LOGICAL_ADDR_EN BIT(2)
+#define USBH_SC_EHCI_DATA_SWAP BIT(3)
+#define USBH_SC_EHCI_ENDIAN_SWAP BIT(4)
+#define USBH_SC_EHCI_LOGICAL_ADDR_EN BIT(5)
+#define USBH_SC_USB_DEVICE_SEL BIT(6)
+ USBH_GENERIC_CONTROL,
+#define USBH_GC_PLL_SUSPEND_EN BIT(1)
+ USBH_FRAME_ADJUST_VALUE,
+ USBH_SETUP,
+#define USBH_S_IOC BIT(4)
+#define USBH_S_IPP BIT(5)
+ USBH_MDIO,
+ USBH_MDIO32,
+ USBH_USB_SIM_CONTROL,
+#define USBH_USC_LADDR_SEL BIT(5)
+
+ __USBH_ENUM_SIZE
+};
+
+struct bcm63xx_usbh_phy_variant {
+ /* Registers */
+ long regs[__USBH_ENUM_SIZE];
+
+ /* PLLC bits to set/clear for power on */
+ u32 power_pllc_clr;
+ u32 power_pllc_set;
+
+ /* Setup bits to set/clear for power on */
+ u32 setup_clr;
+ u32 setup_set;
+
+ /* Swap Control bits to set */
+ u32 swapctl_dev_set;
+
+ /* Test Port Control value to set if non-zero */
+ u32 tpc_val;
+
+ /* USB Sim Control bits to set */
+ u32 usc_set;
+
+ /* UTMI Control 1 bits to set */
+ u32 utmictl1_dev_set;
+};
+
+struct bcm63xx_usbh_phy {
+ void __iomem *base;
+ struct clk *usbh_clk;
+ struct clk *usb_ref_clk;
+ struct reset_control *reset;
+ const struct bcm63xx_usbh_phy_variant *variant;
+ bool device_mode;
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6318 = {
+ .regs = {
+ [USBH_BRT_CONTROL1] = -1,
+ [USBH_BRT_CONTROL2] = -1,
+ [USBH_BRT_STATUS1] = -1,
+ [USBH_BRT_STATUS2] = -1,
+ [USBH_UTMI_CONTROL1] = 0x2c,
+ [USBH_TEST_PORT_CONTROL] = 0x1c,
+ [USBH_PLL_CONTROL1] = 0x04,
+ [USBH_SWAP_CONTROL] = 0x0c,
+ [USBH_GENERIC_CONTROL] = -1,
+ [USBH_FRAME_ADJUST_VALUE] = 0x08,
+ [USBH_SETUP] = 0x00,
+ [USBH_MDIO] = 0x14,
+ [USBH_MDIO32] = 0x18,
+ [USBH_USB_SIM_CONTROL] = 0x20,
+ },
+ .power_pllc_clr = USBH_6318_PLLC_PLL_IDDQ_PWRDN,
+ .power_pllc_set = USBH_6318_PLLC_PLL_SUSPEND_EN,
+ .setup_set = USBH_S_IOC,
+ .swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+ .usc_set = USBH_USC_LADDR_SEL,
+ .utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6328 = {
+ .regs = {
+ [USBH_BRT_CONTROL1] = 0x00,
+ [USBH_BRT_CONTROL2] = 0x04,
+ [USBH_BRT_STATUS1] = 0x08,
+ [USBH_BRT_STATUS2] = 0x0c,
+ [USBH_UTMI_CONTROL1] = 0x10,
+ [USBH_TEST_PORT_CONTROL] = 0x14,
+ [USBH_PLL_CONTROL1] = 0x18,
+ [USBH_SWAP_CONTROL] = 0x1c,
+ [USBH_GENERIC_CONTROL] = 0x20,
+ [USBH_FRAME_ADJUST_VALUE] = 0x24,
+ [USBH_SETUP] = 0x28,
+ [USBH_MDIO] = 0x2c,
+ [USBH_MDIO32] = 0x30,
+ [USBH_USB_SIM_CONTROL] = 0x34,
+ },
+ .setup_set = USBH_S_IOC,
+ .swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+ .utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6358 = {
+ .regs = {
+ [USBH_BRT_CONTROL1] = -1,
+ [USBH_BRT_CONTROL2] = -1,
+ [USBH_BRT_STATUS1] = -1,
+ [USBH_BRT_STATUS2] = -1,
+ [USBH_UTMI_CONTROL1] = -1,
+ [USBH_TEST_PORT_CONTROL] = 0x24,
+ [USBH_PLL_CONTROL1] = -1,
+ [USBH_SWAP_CONTROL] = 0x00,
+ [USBH_GENERIC_CONTROL] = -1,
+ [USBH_FRAME_ADJUST_VALUE] = -1,
+ [USBH_SETUP] = -1,
+ [USBH_MDIO] = -1,
+ [USBH_MDIO32] = -1,
+ [USBH_USB_SIM_CONTROL] = -1,
+ },
+ /*
+ * The magic value comes for the original vendor BSP
+ * and is needed for USB to work. Datasheet does not
+ * help, so the magic value is used as-is.
+ */
+ .tpc_val = 0x1c0020,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6368 = {
+ .regs = {
+ [USBH_BRT_CONTROL1] = 0x00,
+ [USBH_BRT_CONTROL2] = 0x04,
+ [USBH_BRT_STATUS1] = 0x08,
+ [USBH_BRT_STATUS2] = 0x0c,
+ [USBH_UTMI_CONTROL1] = 0x10,
+ [USBH_TEST_PORT_CONTROL] = 0x14,
+ [USBH_PLL_CONTROL1] = 0x18,
+ [USBH_SWAP_CONTROL] = 0x1c,
+ [USBH_GENERIC_CONTROL] = -1,
+ [USBH_FRAME_ADJUST_VALUE] = 0x24,
+ [USBH_SETUP] = 0x28,
+ [USBH_MDIO] = 0x2c,
+ [USBH_MDIO32] = 0x30,
+ [USBH_USB_SIM_CONTROL] = 0x34,
+ },
+ .power_pllc_clr = USBH_PLLC_PLL_IDDQ_PWRDN | USBH_PLLC_PLL_PWRDN_DELAY,
+ .setup_set = USBH_S_IOC,
+ .swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+ .utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm63268 = {
+ .regs = {
+ [USBH_BRT_CONTROL1] = 0x00,
+ [USBH_BRT_CONTROL2] = 0x04,
+ [USBH_BRT_STATUS1] = 0x08,
+ [USBH_BRT_STATUS2] = 0x0c,
+ [USBH_UTMI_CONTROL1] = 0x10,
+ [USBH_TEST_PORT_CONTROL] = 0x14,
+ [USBH_PLL_CONTROL1] = 0x18,
+ [USBH_SWAP_CONTROL] = 0x1c,
+ [USBH_GENERIC_CONTROL] = 0x20,
+ [USBH_FRAME_ADJUST_VALUE] = 0x24,
+ [USBH_SETUP] = 0x28,
+ [USBH_MDIO] = 0x2c,
+ [USBH_MDIO32] = 0x30,
+ [USBH_USB_SIM_CONTROL] = 0x34,
+ },
+ .power_pllc_clr = USBH_PLLC_PLL_IDDQ_PWRDN | USBH_PLLC_PLL_PWRDN_DELAY,
+ .setup_clr = USBH_S_IPP,
+ .setup_set = USBH_S_IOC,
+ .swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+ .utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static inline bool usbh_has_reg(struct bcm63xx_usbh_phy *usbh, int reg)
+{
+ return (usbh->variant->regs[reg] >= 0);
+}
+
+static inline u32 usbh_readl(struct bcm63xx_usbh_phy *usbh, int reg)
+{
+ return __raw_readl(usbh->base + usbh->variant->regs[reg]);
+}
+
+static inline void usbh_writel(struct bcm63xx_usbh_phy *usbh, int reg,
+ u32 value)
+{
+ __raw_writel(value, usbh->base + usbh->variant->regs[reg]);
+}
+
+static int bcm63xx_usbh_phy_init(struct phy *phy)
+{
+ struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+ int ret;
+
+ ret = clk_prepare_enable(usbh->usbh_clk);
+ if (ret) {
+ dev_err(&phy->dev, "unable to enable usbh clock: %d\n", ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(usbh->usb_ref_clk);
+ if (ret) {
+ dev_err(&phy->dev, "unable to enable usb_ref clock: %d\n", ret);
+ clk_disable_unprepare(usbh->usbh_clk);
+ return ret;
+ }
+
+ ret = reset_control_reset(usbh->reset);
+ if (ret) {
+ dev_err(&phy->dev, "unable to reset device: %d\n", ret);
+ clk_disable_unprepare(usbh->usb_ref_clk);
+ clk_disable_unprepare(usbh->usbh_clk);
+ return ret;
+ }
+
+ /* Configure to work in native CPU endian */
+ if (usbh_has_reg(usbh, USBH_SWAP_CONTROL)) {
+ u32 val = usbh_readl(usbh, USBH_SWAP_CONTROL);
+
+ val |= USBH_SC_EHCI_DATA_SWAP;
+ val &= ~USBH_SC_EHCI_ENDIAN_SWAP;
+
+ val |= USBH_SC_OHCI_DATA_SWAP;
+ val &= ~USBH_SC_OHCI_ENDIAN_SWAP;
+
+ if (usbh->device_mode && usbh->variant->swapctl_dev_set)
+ val |= usbh->variant->swapctl_dev_set;
+
+ usbh_writel(usbh, USBH_SWAP_CONTROL, val);
+ }
+
+ if (usbh_has_reg(usbh, USBH_SETUP)) {
+ u32 val = usbh_readl(usbh, USBH_SETUP);
+
+ val |= usbh->variant->setup_set;
+ val &= ~usbh->variant->setup_clr;
+
+ usbh_writel(usbh, USBH_SETUP, val);
+ }
+
+ if (usbh_has_reg(usbh, USBH_USB_SIM_CONTROL)) {
+ u32 val = usbh_readl(usbh, USBH_USB_SIM_CONTROL);
+
+ val |= usbh->variant->usc_set;
+
+ usbh_writel(usbh, USBH_USB_SIM_CONTROL, val);
+ }
+
+ if (usbh->variant->tpc_val &&
+ usbh_has_reg(usbh, USBH_TEST_PORT_CONTROL))
+ usbh_writel(usbh, USBH_TEST_PORT_CONTROL,
+ usbh->variant->tpc_val);
+
+ if (usbh->device_mode &&
+ usbh_has_reg(usbh, USBH_UTMI_CONTROL1) &&
+ usbh->variant->utmictl1_dev_set) {
+ u32 val = usbh_readl(usbh, USBH_UTMI_CONTROL1);
+
+ val |= usbh->variant->utmictl1_dev_set;
+
+ usbh_writel(usbh, USBH_UTMI_CONTROL1, val);
+ }
+
+ return 0;
+}
+
+static int bcm63xx_usbh_phy_power_on(struct phy *phy)
+{
+ struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+
+ if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {
+ u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);
+
+ val |= usbh->variant->power_pllc_set;
+ val &= ~usbh->variant->power_pllc_clr;
+
+ usbh_writel(usbh, USBH_PLL_CONTROL1, val);
+ }
+
+ return 0;
+}
+
+static int bcm63xx_usbh_phy_power_off(struct phy *phy)
+{
+ struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+
+ if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {
+ u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);
+
+ val &= ~usbh->variant->power_pllc_set;
+ val |= usbh->variant->power_pllc_clr;
+
+ usbh_writel(usbh, USBH_PLL_CONTROL1, val);
+ }
+
+ return 0;
+}
+
+static int bcm63xx_usbh_phy_exit(struct phy *phy)
+{
+ struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+
+ clk_disable_unprepare(usbh->usbh_clk);
+ clk_disable_unprepare(usbh->usb_ref_clk);
+
+ return 0;
+}
+
+static const struct phy_ops bcm63xx_usbh_phy_ops = {
+ .exit = bcm63xx_usbh_phy_exit,
+ .init = bcm63xx_usbh_phy_init,
+ .power_off = bcm63xx_usbh_phy_power_off,
+ .power_on = bcm63xx_usbh_phy_power_on,
+ .owner = THIS_MODULE,
+};
+
+static struct phy *bcm63xx_usbh_phy_xlate(struct device *dev,
+ struct of_phandle_args *args)
+{
+ struct bcm63xx_usbh_phy *usbh = dev_get_drvdata(dev);
+
+ usbh->device_mode = !!args->args[0];
+
+ return of_phy_simple_xlate(dev, args);
+}
+
+static int __init bcm63xx_usbh_phy_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct bcm63xx_usbh_phy *usbh;
+ const struct bcm63xx_usbh_phy_variant *variant;
+ struct phy *phy;
+ struct phy_provider *phy_provider;
+
+ usbh = devm_kzalloc(dev, sizeof(*usbh), GFP_KERNEL);
+ if (!usbh)
+ return -ENOMEM;
+
+ variant = device_get_match_data(dev);
+ if (!variant)
+ return -EINVAL;
+ usbh->variant = variant;
+
+ usbh->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(usbh->base))
+ return PTR_ERR(usbh->base);
+
+ usbh->reset = devm_reset_control_get_exclusive(dev, NULL);
+ if (IS_ERR(usbh->reset)) {
+ if (PTR_ERR(usbh->reset) != -EPROBE_DEFER)
+ dev_err(dev, "failed to get reset\n");
+ return PTR_ERR(usbh->reset);
+ }
+
+ usbh->usbh_clk = devm_clk_get_optional(dev, "usbh");
+ if (IS_ERR(usbh->usbh_clk))
+ return PTR_ERR(usbh->usbh_clk);
+
+ usbh->usb_ref_clk = devm_clk_get_optional(dev, "usb_ref");
+ if (IS_ERR(usbh->usb_ref_clk))
+ return PTR_ERR(usbh->usb_ref_clk);
+
+ phy = devm_phy_create(dev, NULL, &bcm63xx_usbh_phy_ops);
+ if (IS_ERR(phy)) {
+ dev_err(dev, "failed to create PHY\n");
+ return PTR_ERR(phy);
+ }
+
+ platform_set_drvdata(pdev, usbh);
+ phy_set_drvdata(phy, usbh);
+
+ phy_provider = devm_of_phy_provider_register(dev,
+ bcm63xx_usbh_phy_xlate);
+ if (IS_ERR(phy_provider)) {
+ dev_err(dev, "failed to register PHY provider\n");
+ return PTR_ERR(phy_provider);
+ }
+
+ dev_dbg(dev, "Registered BCM63xx USB PHY driver\n");
+
+ return 0;
+}
+
+static const struct of_device_id bcm63xx_usbh_phy_ids[] __initconst = {
+ { .compatible = "brcm,bcm6318-usbh-phy", .data = &usbh_bcm6318 },
+ { .compatible = "brcm,bcm6328-usbh-phy", .data = &usbh_bcm6328 },
+ { .compatible = "brcm,bcm6358-usbh-phy", .data = &usbh_bcm6358 },
+ { .compatible = "brcm,bcm6362-usbh-phy", .data = &usbh_bcm6368 },
+ { .compatible = "brcm,bcm6368-usbh-phy", .data = &usbh_bcm6368 },
+ { .compatible = "brcm,bcm63268-usbh-phy", .data = &usbh_bcm63268 },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, bcm63xx_usbh_phy_ids);
+
+static struct platform_driver bcm63xx_usbh_phy_driver __refdata = {
+ .driver = {
+ .name = "bcm63xx-usbh-phy",
+ .of_match_table = bcm63xx_usbh_phy_ids,
+ },
+ .probe = bcm63xx_usbh_phy_probe,
+};
+module_platform_driver(bcm63xx_usbh_phy_driver);
+
+MODULE_DESCRIPTION("BCM63xx USBH PHY driver");
+MODULE_AUTHOR("Álvaro Fernández Rojas <noltari@gmail.com>");
+MODULE_AUTHOR("Simon Arlott");
+MODULE_LICENSE("GPL");
diff --git a/drivers/phy/cadence/phy-cadence-salvo.c b/drivers/phy/cadence/phy-cadence-salvo.c
index 1ecbb964cd21..016514e4aa54 100644
--- a/drivers/phy/cadence/phy-cadence-salvo.c
+++ b/drivers/phy/cadence/phy-cadence-salvo.c
@@ -88,7 +88,7 @@
#define TB_ADDR_TX_RCVDETSC_CTRL 0x4124
/* TB_ADDR_TX_RCVDETSC_CTRL */
-#define RXDET_IN_P3_32KHZ BIT(1)
+#define RXDET_IN_P3_32KHZ BIT(0)
struct cdns_reg_pairs {
u16 val;
diff --git a/drivers/phy/marvell/phy-armada38x-comphy.c b/drivers/phy/marvell/phy-armada38x-comphy.c
index 6960dfd8ad8c..0fe408964334 100644
--- a/drivers/phy/marvell/phy-armada38x-comphy.c
+++ b/drivers/phy/marvell/phy-armada38x-comphy.c
@@ -41,6 +41,7 @@ struct a38x_comphy_lane {
struct a38x_comphy {
void __iomem *base;
+ void __iomem *conf;
struct device *dev;
struct a38x_comphy_lane lane[MAX_A38X_COMPHY];
};
@@ -54,6 +55,21 @@ static const u8 gbe_mux[MAX_A38X_COMPHY][MAX_A38X_PORTS] = {
{ 0, 0, 3 },
};
+static void a38x_set_conf(struct a38x_comphy_lane *lane, bool enable)
+{
+ struct a38x_comphy *priv = lane->priv;
+ u32 conf;
+
+ if (priv->conf) {
+ conf = readl_relaxed(priv->conf);
+ if (enable)
+ conf |= BIT(lane->port);
+ else
+ conf &= ~BIT(lane->port);
+ writel(conf, priv->conf);
+ }
+}
+
static void a38x_comphy_set_reg(struct a38x_comphy_lane *lane,
unsigned int offset, u32 mask, u32 value)
{
@@ -97,6 +113,7 @@ static int a38x_comphy_set_mode(struct phy *phy, enum phy_mode mode, int sub)
{
struct a38x_comphy_lane *lane = phy_get_drvdata(phy);
unsigned int gen;
+ int ret;
if (mode != PHY_MODE_ETHERNET)
return -EINVAL;
@@ -115,13 +132,20 @@ static int a38x_comphy_set_mode(struct phy *phy, enum phy_mode mode, int sub)
return -EINVAL;
}
+ a38x_set_conf(lane, false);
+
a38x_comphy_set_speed(lane, gen, gen);
- return a38x_comphy_poll(lane, COMPHY_STAT1,
- COMPHY_STAT1_PLL_RDY_TX |
- COMPHY_STAT1_PLL_RDY_RX,
- COMPHY_STAT1_PLL_RDY_TX |
- COMPHY_STAT1_PLL_RDY_RX);
+ ret = a38x_comphy_poll(lane, COMPHY_STAT1,
+ COMPHY_STAT1_PLL_RDY_TX |
+ COMPHY_STAT1_PLL_RDY_RX,
+ COMPHY_STAT1_PLL_RDY_TX |
+ COMPHY_STAT1_PLL_RDY_RX);
+
+ if (ret == 0)
+ a38x_set_conf(lane, true);
+
+ return ret;
}
static const struct phy_ops a38x_comphy_ops = {
@@ -174,14 +198,21 @@ static int a38x_comphy_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(&pdev->dev, res);
+ base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
priv->dev = &pdev->dev;
priv->base = base;
+ /* Optional */
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "conf");
+ if (res) {
+ priv->conf = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(priv->conf))
+ return PTR_ERR(priv->conf);
+ }
+
for_each_available_child_of_node(pdev->dev.of_node, child) {
struct phy *phy;
int ret;
diff --git a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
index 23bc3bf5c4c0..8834436bc9db 100644
--- a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
+++ b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
@@ -72,7 +72,7 @@ struct mvebu_a3700_utmi_caps {
* struct mvebu_a3700_utmi - PHY driver data
*
* @regs: PHY registers
- * @usb_mis: Regmap with USB miscellaneous registers including PHY ones
+ * @usb_misc: Regmap with USB miscellaneous registers including PHY ones
* @caps: PHY capabilities
* @phy: PHY handle
*/
diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 94a34cf75eb3..5172971f4c36 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -178,6 +178,7 @@ static const struct phy_ops gpio_usb_ops = {
/**
* phy_mdm6600_cmd() - send a command request to mdm6600
* @ddata: device driver data
+ * @val: value of cmd to be set
*
* Configures the three command request GPIOs to the specified value.
*/
@@ -194,7 +195,7 @@ static void phy_mdm6600_cmd(struct phy_mdm6600 *ddata, int val)
/**
* phy_mdm6600_status() - read mdm6600 status lines
- * @ddata: device driver data
+ * @work: work structure
*/
static void phy_mdm6600_status(struct work_struct *work)
{
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index a27b8d578d7f..71cb10826326 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -1062,6 +1062,7 @@ EXPORT_SYMBOL_GPL(__of_phy_provider_register);
* __devm_of_phy_provider_register() - create/register phy provider with the
* framework
* @dev: struct device of the phy provider
+ * @children: device node containing children (if different from dev->of_node)
* @owner: the module owner containing of_xlate
* @of_xlate: function pointer to obtain phy instance from phy provider
*
@@ -1117,12 +1118,14 @@ EXPORT_SYMBOL_GPL(of_phy_provider_unregister);
/**
* devm_of_phy_provider_unregister() - remove phy provider from the framework
* @dev: struct device of the phy provider
+ * @phy_provider: phy provider returned by of_phy_provider_register()
*
* destroys the devres associated with this phy provider and invokes
* of_phy_provider_unregister to unregister the phy provider.
*/
void devm_of_phy_provider_unregister(struct device *dev,
- struct phy_provider *phy_provider) {
+ struct phy_provider *phy_provider)
+{
int r;
r = devres_destroy(dev, devm_phy_provider_release, devm_phy_match,
diff --git a/drivers/phy/phy-xgene.c b/drivers/phy/phy-xgene.c
index 7a33ec12f71b..b88922e7de1d 100644
--- a/drivers/phy/phy-xgene.c
+++ b/drivers/phy/phy-xgene.c
@@ -1615,7 +1615,7 @@ static struct phy *xgene_phy_xlate(struct device *dev,
if (args->args_count <= 0)
return ERR_PTR(-EINVAL);
- if (args->args[0] < MODE_SATA || args->args[0] >= MODE_MAX)
+ if (args->args[0] >= MODE_MAX)
return ERR_PTR(-EINVAL);
ctx->mode = args->args[0];
diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig
index ca9ce7e84a5c..928db510b86c 100644
--- a/drivers/phy/qualcomm/Kconfig
+++ b/drivers/phy/qualcomm/Kconfig
@@ -59,30 +59,6 @@ config PHY_QCOM_QUSB2
PHY which is usually paired with either the ChipIdea or Synopsys DWC3
USB IPs on MSM SOCs.
-config PHY_QCOM_UFS
- tristate "Qualcomm UFS PHY driver"
- depends on OF && ARCH_QCOM
- select GENERIC_PHY
- help
- Support for UFS PHY on QCOM chipsets.
-
-if PHY_QCOM_UFS
-
-config PHY_QCOM_UFS_14NM
- tristate
- default PHY_QCOM_UFS
- help
- Support for 14nm UFS QMP phy present on QCOM chipsets.
-
-config PHY_QCOM_UFS_20NM
- tristate
- default PHY_QCOM_UFS
- depends on BROKEN
- help
- Support for 20nm UFS QMP phy present on QCOM chipsets.
-
-endif
-
config PHY_QCOM_USB_HS
tristate "Qualcomm USB HS PHY module"
depends on USB_ULPI_BUS
@@ -128,3 +104,13 @@ config PHY_QCOM_USB_SS
help
Enable this to support the Super-Speed USB transceiver on various
Qualcomm chipsets.
+
+config PHY_QCOM_IPQ806X_USB
+ tristate "Qualcomm IPQ806x DWC3 USB PHY driver"
+ depends on HAS_IOMEM
+ depends on OF && (ARCH_QCOM || COMPILE_TEST)
+ select GENERIC_PHY
+ help
+ This option enables support for the Synopsis PHYs present inside the
+ Qualcomm USB3.0 DWC3 controller on ipq806x SoC. This driver supports
+ both HS and SS PHY controllers.
diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile
index 86fb32efab79..47acbd7daa3a 100644
--- a/drivers/phy/qualcomm/Makefile
+++ b/drivers/phy/qualcomm/Makefile
@@ -6,11 +6,9 @@ obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o
obj-$(CONFIG_PHY_QCOM_PCIE2) += phy-qcom-pcie2.o
obj-$(CONFIG_PHY_QCOM_QMP) += phy-qcom-qmp.o
obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o
-obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs.o
-obj-$(CONFIG_PHY_QCOM_UFS_14NM) += phy-qcom-ufs-qmp-14nm.o
-obj-$(CONFIG_PHY_QCOM_UFS_20NM) += phy-qcom-ufs-qmp-20nm.o
obj-$(CONFIG_PHY_QCOM_USB_HS) += phy-qcom-usb-hs.o
obj-$(CONFIG_PHY_QCOM_USB_HSIC) += phy-qcom-usb-hsic.o
obj-$(CONFIG_PHY_QCOM_USB_HS_28NM) += phy-qcom-usb-hs-28nm.o
obj-$(CONFIG_PHY_QCOM_USB_SS) += phy-qcom-usb-ss.o
obj-$(CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2)+= phy-qcom-snps-femto-v2.o
+obj-$(CONFIG_PHY_QCOM_IPQ806X_USB) += phy-qcom-ipq806x-usb.o
diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c
new file mode 100644
index 000000000000..71f257b4a7f5
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c
@@ -0,0 +1,571 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+
+/* USB QSCRATCH Hardware registers */
+#define QSCRATCH_GENERAL_CFG (0x08)
+#define HSUSB_PHY_CTRL_REG (0x10)
+
+/* PHY_CTRL_REG */
+#define HSUSB_CTRL_DMSEHV_CLAMP BIT(24)
+#define HSUSB_CTRL_USB2_SUSPEND BIT(23)
+#define HSUSB_CTRL_UTMI_CLK_EN BIT(21)
+#define HSUSB_CTRL_UTMI_OTG_VBUS_VALID BIT(20)
+#define HSUSB_CTRL_USE_CLKCORE BIT(18)
+#define HSUSB_CTRL_DPSEHV_CLAMP BIT(17)
+#define HSUSB_CTRL_COMMONONN BIT(11)
+#define HSUSB_CTRL_ID_HV_CLAMP BIT(9)
+#define HSUSB_CTRL_OTGSESSVLD_CLAMP BIT(8)
+#define HSUSB_CTRL_CLAMP_EN BIT(7)
+#define HSUSB_CTRL_RETENABLEN BIT(1)
+#define HSUSB_CTRL_POR BIT(0)
+
+/* QSCRATCH_GENERAL_CFG */
+#define HSUSB_GCFG_XHCI_REV BIT(2)
+
+/* USB QSCRATCH Hardware registers */
+#define SSUSB_PHY_CTRL_REG (0x00)
+#define SSUSB_PHY_PARAM_CTRL_1 (0x04)
+#define SSUSB_PHY_PARAM_CTRL_2 (0x08)
+#define CR_PROTOCOL_DATA_IN_REG (0x0c)
+#define CR_PROTOCOL_DATA_OUT_REG (0x10)
+#define CR_PROTOCOL_CAP_ADDR_REG (0x14)
+#define CR_PROTOCOL_CAP_DATA_REG (0x18)
+#define CR_PROTOCOL_READ_REG (0x1c)
+#define CR_PROTOCOL_WRITE_REG (0x20)
+
+/* PHY_CTRL_REG */
+#define SSUSB_CTRL_REF_USE_PAD BIT(28)
+#define SSUSB_CTRL_TEST_POWERDOWN BIT(27)
+#define SSUSB_CTRL_LANE0_PWR_PRESENT BIT(24)
+#define SSUSB_CTRL_SS_PHY_EN BIT(8)
+#define SSUSB_CTRL_SS_PHY_RESET BIT(7)
+
+/* SSPHY control registers - Does this need 0x30? */
+#define SSPHY_CTRL_RX_OVRD_IN_HI(lane) (0x1006 + 0x100 * (lane))
+#define SSPHY_CTRL_TX_OVRD_DRV_LO(lane) (0x1002 + 0x100 * (lane))
+
+/* SSPHY SoC version specific values */
+#define SSPHY_RX_EQ_VALUE 4 /* Override value for rx_eq */
+/* Override value for transmit preemphasis */
+#define SSPHY_TX_DEEMPH_3_5DB 23
+/* Override value for mpll */
+#define SSPHY_MPLL_VALUE 0
+
+/* QSCRATCH PHY_PARAM_CTRL1 fields */
+#define PHY_PARAM_CTRL1_TX_FULL_SWING_MASK GENMASK(26, 19)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK GENMASK(19, 13)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK GENMASK(13, 7)
+#define PHY_PARAM_CTRL1_LOS_BIAS_MASK GENMASK(7, 2)
+
+#define PHY_PARAM_CTRL1_MASK \
+ (PHY_PARAM_CTRL1_TX_FULL_SWING_MASK | \
+ PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK | \
+ PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK | \
+ PHY_PARAM_CTRL1_LOS_BIAS_MASK)
+
+#define PHY_PARAM_CTRL1_TX_FULL_SWING(x) \
+ (((x) << 20) & PHY_PARAM_CTRL1_TX_FULL_SWING_MASK)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_6DB(x) \
+ (((x) << 14) & PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(x) \
+ (((x) << 8) & PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK)
+#define PHY_PARAM_CTRL1_LOS_BIAS(x) \
+ (((x) << 3) & PHY_PARAM_CTRL1_LOS_BIAS_MASK)
+
+/* RX OVRD IN HI bits */
+#define RX_OVRD_IN_HI_RX_RESET_OVRD BIT(13)
+#define RX_OVRD_IN_HI_RX_RX_RESET BIT(12)
+#define RX_OVRD_IN_HI_RX_EQ_OVRD BIT(11)
+#define RX_OVRD_IN_HI_RX_EQ_MASK GENMASK(10, 7)
+#define RX_OVRD_IN_HI_RX_EQ(x) ((x) << 8)
+#define RX_OVRD_IN_HI_RX_EQ_EN_OVRD BIT(7)
+#define RX_OVRD_IN_HI_RX_EQ_EN BIT(6)
+#define RX_OVRD_IN_HI_RX_LOS_FILTER_OVRD BIT(5)
+#define RX_OVRD_IN_HI_RX_LOS_FILTER_MASK GENMASK(4, 2)
+#define RX_OVRD_IN_HI_RX_RATE_OVRD BIT(2)
+#define RX_OVRD_IN_HI_RX_RATE_MASK GENMASK(2, 0)
+
+/* TX OVRD DRV LO register bits */
+#define TX_OVRD_DRV_LO_AMPLITUDE_MASK GENMASK(6, 0)
+#define TX_OVRD_DRV_LO_PREEMPH_MASK GENMASK(13, 6)
+#define TX_OVRD_DRV_LO_PREEMPH(x) ((x) << 7)
+#define TX_OVRD_DRV_LO_EN BIT(14)
+
+/* MPLL bits */
+#define SSPHY_MPLL_MASK GENMASK(8, 5)
+#define SSPHY_MPLL(x) ((x) << 5)
+
+/* SS CAP register bits */
+#define SS_CR_CAP_ADDR_REG BIT(0)
+#define SS_CR_CAP_DATA_REG BIT(0)
+#define SS_CR_READ_REG BIT(0)
+#define SS_CR_WRITE_REG BIT(0)
+
+struct usb_phy {
+ void __iomem *base;
+ struct device *dev;
+ struct clk *xo_clk;
+ struct clk *ref_clk;
+ u32 rx_eq;
+ u32 tx_deamp_3_5db;
+ u32 mpll;
+};
+
+struct phy_drvdata {
+ struct phy_ops ops;
+ u32 clk_rate;
+};
+
+/**
+ * Write register and read back masked value to confirm it is written
+ *
+ * @base - QCOM DWC3 PHY base virtual address.
+ * @offset - register offset.
+ * @mask - register bitmask specifying what should be updated
+ * @val - value to write.
+ */
+static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3,
+ u32 offset,
+ const u32 mask, u32 val)
+{
+ u32 write_val, tmp = readl(phy_dwc3->base + offset);
+
+ tmp &= ~mask; /* retain other bits */
+ write_val = tmp | val;
+
+ writel(write_val, phy_dwc3->base + offset);
+
+ /* Read back to see if val was written */
+ tmp = readl(phy_dwc3->base + offset);
+ tmp &= mask; /* clear other bits */
+
+ if (tmp != val)
+ dev_err(phy_dwc3->dev, "write: %x to QSCRATCH: %x FAILED\n", val, offset);
+}
+
+static int wait_for_latch(void __iomem *addr)
+{
+ u32 retry = 10;
+
+ while (true) {
+ if (!readl(addr))
+ break;
+
+ if (--retry == 0)
+ return -ETIMEDOUT;
+
+ usleep_range(10, 20);
+ }
+
+ return 0;
+}
+
+/**
+ * Write SSPHY register
+ *
+ * @base - QCOM DWC3 PHY base virtual address.
+ * @addr - SSPHY address to write.
+ * @val - value to write.
+ */
+static int usb_ss_write_phycreg(struct usb_phy *phy_dwc3,
+ u32 addr, u32 val)
+{
+ int ret;
+
+ writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
+ writel(SS_CR_CAP_ADDR_REG,
+ phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+
+ ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+ if (ret)
+ goto err_wait;
+
+ writel(val, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
+ writel(SS_CR_CAP_DATA_REG,
+ phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG);
+
+ ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG);
+ if (ret)
+ goto err_wait;
+
+ writel(SS_CR_WRITE_REG, phy_dwc3->base + CR_PROTOCOL_WRITE_REG);
+
+ ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_WRITE_REG);
+
+err_wait:
+ if (ret)
+ dev_err(phy_dwc3->dev, "timeout waiting for latch\n");
+ return ret;
+}
+
+/**
+ * Read SSPHY register.
+ *
+ * @base - QCOM DWC3 PHY base virtual address.
+ * @addr - SSPHY address to read.
+ */
+static int usb_ss_read_phycreg(struct usb_phy *phy_dwc3,
+ u32 addr, u32 *val)
+{
+ int ret;
+
+ writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
+ writel(SS_CR_CAP_ADDR_REG,
+ phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+
+ ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+ if (ret)
+ goto err_wait;
+
+ /*
+ * Due to hardware bug, first read of SSPHY register might be
+ * incorrect. Hence as workaround, SW should perform SSPHY register
+ * read twice, but use only second read and ignore first read.
+ */
+ writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG);
+
+ ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG);
+ if (ret)
+ goto err_wait;
+
+ /* throwaway read */
+ readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG);
+
+ writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG);
+
+ ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG);
+ if (ret)
+ goto err_wait;
+
+ *val = readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG);
+
+err_wait:
+ return ret;
+}
+
+static int qcom_ipq806x_usb_hs_phy_init(struct phy *phy)
+{
+ struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+ int ret;
+ u32 val;
+
+ ret = clk_prepare_enable(phy_dwc3->xo_clk);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(phy_dwc3->ref_clk);
+ if (ret) {
+ clk_disable_unprepare(phy_dwc3->xo_clk);
+ return ret;
+ }
+
+ /*
+ * HSPHY Initialization: Enable UTMI clock, select 19.2MHz fsel
+ * enable clamping, and disable RETENTION (power-on default is ENABLED)
+ */
+ val = HSUSB_CTRL_DPSEHV_CLAMP | HSUSB_CTRL_DMSEHV_CLAMP |
+ HSUSB_CTRL_RETENABLEN | HSUSB_CTRL_COMMONONN |
+ HSUSB_CTRL_OTGSESSVLD_CLAMP | HSUSB_CTRL_ID_HV_CLAMP |
+ HSUSB_CTRL_DPSEHV_CLAMP | HSUSB_CTRL_UTMI_OTG_VBUS_VALID |
+ HSUSB_CTRL_UTMI_CLK_EN | HSUSB_CTRL_CLAMP_EN | 0x70;
+
+ /* use core clock if external reference is not present */
+ if (!phy_dwc3->xo_clk)
+ val |= HSUSB_CTRL_USE_CLKCORE;
+
+ writel(val, phy_dwc3->base + HSUSB_PHY_CTRL_REG);
+ usleep_range(2000, 2200);
+
+ /* Disable (bypass) VBUS and ID filters */
+ writel(HSUSB_GCFG_XHCI_REV, phy_dwc3->base + QSCRATCH_GENERAL_CFG);
+
+ return 0;
+}
+
+static int qcom_ipq806x_usb_hs_phy_exit(struct phy *phy)
+{
+ struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+
+ clk_disable_unprepare(phy_dwc3->ref_clk);
+ clk_disable_unprepare(phy_dwc3->xo_clk);
+
+ return 0;
+}
+
+static int qcom_ipq806x_usb_ss_phy_init(struct phy *phy)
+{
+ struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+ int ret;
+ u32 data;
+
+ ret = clk_prepare_enable(phy_dwc3->xo_clk);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(phy_dwc3->ref_clk);
+ if (ret) {
+ clk_disable_unprepare(phy_dwc3->xo_clk);
+ return ret;
+ }
+
+ /* reset phy */
+ data = readl(phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+ writel(data | SSUSB_CTRL_SS_PHY_RESET,
+ phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+ usleep_range(2000, 2200);
+ writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+
+ /* clear REF_PAD if we don't have XO clk */
+ if (!phy_dwc3->xo_clk)
+ data &= ~SSUSB_CTRL_REF_USE_PAD;
+ else
+ data |= SSUSB_CTRL_REF_USE_PAD;
+
+ writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+
+ /* wait for ref clk to become stable, this can take up to 30ms */
+ msleep(30);
+
+ data |= SSUSB_CTRL_SS_PHY_EN | SSUSB_CTRL_LANE0_PWR_PRESENT;
+ writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+
+ /*
+ * WORKAROUND: There is SSPHY suspend bug due to which USB enumerates
+ * in HS mode instead of SS mode. Workaround it by asserting
+ * LANE0.TX_ALT_BLOCK.EN_ALT_BUS to enable TX to use alt bus mode
+ */
+ ret = usb_ss_read_phycreg(phy_dwc3, 0x102D, &data);
+ if (ret)
+ goto err_phy_trans;
+
+ data |= (1 << 7);
+ ret = usb_ss_write_phycreg(phy_dwc3, 0x102D, data);
+ if (ret)
+ goto err_phy_trans;
+
+ ret = usb_ss_read_phycreg(phy_dwc3, 0x1010, &data);
+ if (ret)
+ goto err_phy_trans;
+
+ data &= ~0xff0;
+ data |= 0x20;
+ ret = usb_ss_write_phycreg(phy_dwc3, 0x1010, data);
+ if (ret)
+ goto err_phy_trans;
+
+ /*
+ * Fix RX Equalization setting as follows
+ * LANE0.RX_OVRD_IN_HI. RX_EQ_EN set to 0
+ * LANE0.RX_OVRD_IN_HI.RX_EQ_EN_OVRD set to 1
+ * LANE0.RX_OVRD_IN_HI.RX_EQ set based on SoC version
+ * LANE0.RX_OVRD_IN_HI.RX_EQ_OVRD set to 1
+ */
+ ret = usb_ss_read_phycreg(phy_dwc3, SSPHY_CTRL_RX_OVRD_IN_HI(0), &data);
+ if (ret)
+ goto err_phy_trans;
+
+ data &= ~RX_OVRD_IN_HI_RX_EQ_EN;
+ data |= RX_OVRD_IN_HI_RX_EQ_EN_OVRD;
+ data &= ~RX_OVRD_IN_HI_RX_EQ_MASK;
+ data |= RX_OVRD_IN_HI_RX_EQ(phy_dwc3->rx_eq);
+ data |= RX_OVRD_IN_HI_RX_EQ_OVRD;
+ ret = usb_ss_write_phycreg(phy_dwc3,
+ SSPHY_CTRL_RX_OVRD_IN_HI(0), data);
+ if (ret)
+ goto err_phy_trans;
+
+ /*
+ * Set EQ and TX launch amplitudes as follows
+ * LANE0.TX_OVRD_DRV_LO.PREEMPH set based on SoC version
+ * LANE0.TX_OVRD_DRV_LO.AMPLITUDE set to 110
+ * LANE0.TX_OVRD_DRV_LO.EN set to 1.
+ */
+ ret = usb_ss_read_phycreg(phy_dwc3,
+ SSPHY_CTRL_TX_OVRD_DRV_LO(0), &data);
+ if (ret)
+ goto err_phy_trans;
+
+ data &= ~TX_OVRD_DRV_LO_PREEMPH_MASK;
+ data |= TX_OVRD_DRV_LO_PREEMPH(phy_dwc3->tx_deamp_3_5db);
+ data &= ~TX_OVRD_DRV_LO_AMPLITUDE_MASK;
+ data |= 0x6E;
+ data |= TX_OVRD_DRV_LO_EN;
+ ret = usb_ss_write_phycreg(phy_dwc3,
+ SSPHY_CTRL_TX_OVRD_DRV_LO(0), data);
+ if (ret)
+ goto err_phy_trans;
+
+ data = 0;
+ data &= ~SSPHY_MPLL_MASK;
+ data |= SSPHY_MPLL(phy_dwc3->mpll);
+ usb_ss_write_phycreg(phy_dwc3, 0x30, data);
+
+ /*
+ * Set the QSCRATCH PHY_PARAM_CTRL1 parameters as follows
+ * TX_FULL_SWING [26:20] amplitude to 110
+ * TX_DEEMPH_6DB [19:14] to 32
+ * TX_DEEMPH_3_5DB [13:8] set based on SoC version
+ * LOS_BIAS [7:3] to 9
+ */
+ data = readl(phy_dwc3->base + SSUSB_PHY_PARAM_CTRL_1);
+
+ data &= ~PHY_PARAM_CTRL1_MASK;
+
+ data |= PHY_PARAM_CTRL1_TX_FULL_SWING(0x6e) |
+ PHY_PARAM_CTRL1_TX_DEEMPH_6DB(0x20) |
+ PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(phy_dwc3->tx_deamp_3_5db) |
+ PHY_PARAM_CTRL1_LOS_BIAS(0x9);
+
+ usb_phy_write_readback(phy_dwc3, SSUSB_PHY_PARAM_CTRL_1,
+ PHY_PARAM_CTRL1_MASK, data);
+
+err_phy_trans:
+ return ret;
+}
+
+static int qcom_ipq806x_usb_ss_phy_exit(struct phy *phy)
+{
+ struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+
+ /* Sequence to put SSPHY in low power state:
+ * 1. Clear REF_PHY_EN in PHY_CTRL_REG
+ * 2. Clear REF_USE_PAD in PHY_CTRL_REG
+ * 3. Set TEST_POWERED_DOWN in PHY_CTRL_REG to enable PHY retention
+ */
+ usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
+ SSUSB_CTRL_SS_PHY_EN, 0x0);
+ usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
+ SSUSB_CTRL_REF_USE_PAD, 0x0);
+ usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
+ SSUSB_CTRL_TEST_POWERDOWN, 0x0);
+
+ clk_disable_unprepare(phy_dwc3->ref_clk);
+ clk_disable_unprepare(phy_dwc3->xo_clk);
+
+ return 0;
+}
+
+static const struct phy_drvdata qcom_ipq806x_usb_hs_drvdata = {
+ .ops = {
+ .init = qcom_ipq806x_usb_hs_phy_init,
+ .exit = qcom_ipq806x_usb_hs_phy_exit,
+ .owner = THIS_MODULE,
+ },
+ .clk_rate = 60000000,
+};
+
+static const struct phy_drvdata qcom_ipq806x_usb_ss_drvdata = {
+ .ops = {
+ .init = qcom_ipq806x_usb_ss_phy_init,
+ .exit = qcom_ipq806x_usb_ss_phy_exit,
+ .owner = THIS_MODULE,
+ },
+ .clk_rate = 125000000,
+};
+
+static const struct of_device_id qcom_ipq806x_usb_phy_table[] = {
+ { .compatible = "qcom,ipq806x-usb-phy-hs",
+ .data = &qcom_ipq806x_usb_hs_drvdata },
+ { .compatible = "qcom,ipq806x-usb-phy-ss",
+ .data = &qcom_ipq806x_usb_ss_drvdata },
+ { /* Sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, qcom_ipq806x_usb_phy_table);
+
+static int qcom_ipq806x_usb_phy_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ resource_size_t size;
+ struct phy *generic_phy;
+ struct usb_phy *phy_dwc3;
+ const struct phy_drvdata *data;
+ struct phy_provider *phy_provider;
+
+ phy_dwc3 = devm_kzalloc(&pdev->dev, sizeof(*phy_dwc3), GFP_KERNEL);
+ if (!phy_dwc3)
+ return -ENOMEM;
+
+ data = of_device_get_match_data(&pdev->dev);
+
+ phy_dwc3->dev = &pdev->dev;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
+ size = resource_size(res);
+ phy_dwc3->base = devm_ioremap(phy_dwc3->dev, res->start, size);
+
+ if (IS_ERR(phy_dwc3->base)) {
+ dev_err(phy_dwc3->dev, "failed to map reg\n");
+ return PTR_ERR(phy_dwc3->base);
+ }
+
+ phy_dwc3->ref_clk = devm_clk_get(phy_dwc3->dev, "ref");
+ if (IS_ERR(phy_dwc3->ref_clk)) {
+ dev_dbg(phy_dwc3->dev, "cannot get reference clock\n");
+ return PTR_ERR(phy_dwc3->ref_clk);
+ }
+
+ clk_set_rate(phy_dwc3->ref_clk, data->clk_rate);
+
+ phy_dwc3->xo_clk = devm_clk_get(phy_dwc3->dev, "xo");
+ if (IS_ERR(phy_dwc3->xo_clk)) {
+ dev_dbg(phy_dwc3->dev, "cannot get TCXO clock\n");
+ phy_dwc3->xo_clk = NULL;
+ }
+
+ /* Parse device node to probe HSIO settings */
+ if (device_property_read_u32(&pdev->dev, "qcom,rx-eq",
+ &phy_dwc3->rx_eq))
+ phy_dwc3->rx_eq = SSPHY_RX_EQ_VALUE;
+
+ if (device_property_read_u32(&pdev->dev, "qcom,tx-deamp_3_5db",
+ &phy_dwc3->tx_deamp_3_5db))
+ phy_dwc3->tx_deamp_3_5db = SSPHY_TX_DEEMPH_3_5DB;
+
+ if (device_property_read_u32(&pdev->dev, "qcom,mpll", &phy_dwc3->mpll))
+ phy_dwc3->mpll = SSPHY_MPLL_VALUE;
+
+ generic_phy = devm_phy_create(phy_dwc3->dev, pdev->dev.of_node, &data->ops);
+
+ if (IS_ERR(generic_phy))
+ return PTR_ERR(generic_phy);
+
+ phy_set_drvdata(generic_phy, phy_dwc3);
+ platform_set_drvdata(pdev, phy_dwc3);
+
+ phy_provider = devm_of_phy_provider_register(phy_dwc3->dev,
+ of_phy_simple_xlate);
+
+ if (IS_ERR(phy_provider))
+ return PTR_ERR(phy_provider);
+
+ return 0;
+}
+
+static struct platform_driver qcom_ipq806x_usb_phy_driver = {
+ .probe = qcom_ipq806x_usb_phy_probe,
+ .driver = {
+ .name = "qcom-ipq806x-usb-phy",
+ .owner = THIS_MODULE,
+ .of_match_table = qcom_ipq806x_usb_phy_table,
+ },
+};
+
+module_platform_driver(qcom_ipq806x_usb_phy_driver);
+
+MODULE_ALIAS("platform:phy-qcom-ipq806x-usb");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Andy Gross <agross@codeaurora.org>");
+MODULE_AUTHOR("Ivan T. Ivanov <iivanov@mm-sol.com>");
+MODULE_DESCRIPTION("DesignWare USB3 QCOM PHY driver");
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index e91040af3394..562053ce9455 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -82,20 +82,34 @@ struct qmp_phy_init_tbl {
* register part of layout ?
* if yes, then offset gives index in the reg-layout
*/
- int in_layout;
+ bool in_layout;
+ /*
+ * mask of lanes for which this register is written
+ * for cases when second lane needs different values
+ */
+ u8 lane_mask;
};
#define QMP_PHY_INIT_CFG(o, v) \
{ \
.offset = o, \
.val = v, \
+ .lane_mask = 0xff, \
}
#define QMP_PHY_INIT_CFG_L(o, v) \
{ \
.offset = o, \
.val = v, \
- .in_layout = 1, \
+ .in_layout = true, \
+ .lane_mask = 0xff, \
+ }
+
+#define QMP_PHY_INIT_CFG_LANE(o, v, l) \
+ { \
+ .offset = o, \
+ .val = v, \
+ .lane_mask = l, \
}
/* set of registers with offsets different per-PHY */
@@ -185,6 +199,17 @@ static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = 0x44,
[QPHY_PCS_STATUS] = 0x14,
[QPHY_PCS_POWER_DOWN_CONTROL] = 0x40,
+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x308,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x314,
+};
+
+static const unsigned int qmp_v4_usb3_uniphy_regs_layout[QPHY_LAYOUT_SIZE] = {
+ [QPHY_SW_RESET] = 0x00,
+ [QPHY_START_CTRL] = 0x44,
+ [QPHY_PCS_STATUS] = 0x14,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = 0x40,
+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x608,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x614,
};
static const unsigned int sdm845_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
@@ -198,6 +223,81 @@ static const unsigned int sm8150_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_SW_RESET] = QPHY_V4_PCS_UFS_SW_RESET,
};
+static const struct qmp_phy_init_tbl ipq8074_usb3_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x1a),
+ QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06),
+ /* PLL and Loop filter settings */
+ QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55),
+ QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x15),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a),
+ /* SSC settings */
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0xde),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x07),
+};
+
+static const struct qmp_phy_init_tbl ipq8074_usb3_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4c),
+ QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xb8),
+ QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
+ QMP_PHY_INIT_CFG(QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x0),
+};
+
+static const struct qmp_phy_init_tbl ipq8074_usb3_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0e),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x85),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x17),
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0f),
+};
+
static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
@@ -1399,6 +1499,250 @@ static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
};
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0xab),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0xea),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xea),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xca),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_IPTRIM, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0xde),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x95),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x05),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0xb8),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x37),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xef),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2, 0x07),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0f),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x60),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x60),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x40, 1),
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x54, 2),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0xff, 1),
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f, 2),
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f, 1),
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff, 2),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x97),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_2, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0xb8),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xbf),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2, 0x07),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
+};
+
/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
/* phy-type - PCIE/UFS/USB */
@@ -1567,6 +1911,11 @@ static const char * const qmp_v4_phy_clk_l[] = {
"aux", "ref_clk_src", "ref", "com_aux",
};
+/* the primary usb3 phy on sm8250 doesn't have a ref clock */
+static const char * const qmp_v4_sm8250_usbphy_clk_l[] = {
+ "aux", "ref_clk_src", "com_aux"
+};
+
static const char * const sdm845_ufs_phy_clk_l[] = {
"ref", "ref_aux",
};
@@ -1593,6 +1942,30 @@ static const char * const qmp_phy_vreg_l[] = {
"vdda-phy", "vdda-pll",
};
+static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
+ .type = PHY_TYPE_USB3,
+ .nlanes = 1,
+
+ .serdes_tbl = ipq8074_usb3_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(ipq8074_usb3_serdes_tbl),
+ .tx_tbl = msm8996_usb3_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(msm8996_usb3_tx_tbl),
+ .rx_tbl = ipq8074_usb3_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(ipq8074_usb3_rx_tbl),
+ .pcs_tbl = ipq8074_usb3_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(ipq8074_usb3_pcs_tbl),
+ .clk_list = msm8996_phy_clk_l,
+ .num_clks = ARRAY_SIZE(msm8996_phy_clk_l),
+ .reset_list = msm8996_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = usb3phy_regs_layout,
+
+ .start_ctrl = SERDES_START | PCS_START,
+ .pwrdn_ctrl = SW_PWRDN,
+};
+
static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
.type = PHY_TYPE_PCIE,
.nlanes = 3,
@@ -1986,10 +2359,98 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.is_dual_lane_phy = true,
};
-static void qcom_qmp_phy_configure(void __iomem *base,
- const unsigned int *regs,
- const struct qmp_phy_init_tbl tbl[],
- int num)
+static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
+ .type = PHY_TYPE_USB3,
+ .nlanes = 1,
+
+ .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
+ .tx_tbl = sm8150_usb3_uniphy_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_tx_tbl),
+ .rx_tbl = sm8150_usb3_uniphy_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_rx_tbl),
+ .pcs_tbl = sm8150_usb3_uniphy_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_pcs_tbl),
+ .clk_list = qmp_v4_phy_clk_l,
+ .num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l),
+ .reset_list = msm8996_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = qmp_v4_usb3_uniphy_regs_layout,
+
+ .start_ctrl = SERDES_START | PCS_START,
+ .pwrdn_ctrl = SW_PWRDN,
+
+ .has_pwrdn_delay = true,
+ .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
+ .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
+};
+
+static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
+ .type = PHY_TYPE_USB3,
+ .nlanes = 1,
+
+ .serdes_tbl = sm8150_usb3_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
+ .tx_tbl = sm8250_usb3_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(sm8250_usb3_tx_tbl),
+ .rx_tbl = sm8250_usb3_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(sm8250_usb3_rx_tbl),
+ .pcs_tbl = sm8250_usb3_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(sm8250_usb3_pcs_tbl),
+ .clk_list = qmp_v4_sm8250_usbphy_clk_l,
+ .num_clks = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
+ .reset_list = msm8996_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = qmp_v4_usb3phy_regs_layout,
+
+ .start_ctrl = SERDES_START | PCS_START,
+ .pwrdn_ctrl = SW_PWRDN,
+
+ .has_pwrdn_delay = true,
+ .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
+ .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
+
+ .has_phy_dp_com_ctrl = true,
+ .is_dual_lane_phy = true,
+};
+
+static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
+ .type = PHY_TYPE_USB3,
+ .nlanes = 1,
+
+ .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
+ .tx_tbl = sm8250_usb3_uniphy_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(sm8250_usb3_uniphy_tx_tbl),
+ .rx_tbl = sm8250_usb3_uniphy_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(sm8250_usb3_uniphy_rx_tbl),
+ .pcs_tbl = sm8250_usb3_uniphy_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(sm8250_usb3_uniphy_pcs_tbl),
+ .clk_list = qmp_v4_phy_clk_l,
+ .num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l),
+ .reset_list = msm8996_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = qmp_v4_usb3_uniphy_regs_layout,
+
+ .start_ctrl = SERDES_START | PCS_START,
+ .pwrdn_ctrl = SW_PWRDN,
+
+ .has_pwrdn_delay = true,
+ .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
+ .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
+};
+
+static void qcom_qmp_phy_configure_lane(void __iomem *base,
+ const unsigned int *regs,
+ const struct qmp_phy_init_tbl tbl[],
+ int num,
+ u8 lane_mask)
{
int i;
const struct qmp_phy_init_tbl *t = tbl;
@@ -1998,6 +2459,9 @@ static void qcom_qmp_phy_configure(void __iomem *base,
return;
for (i = 0; i < num; i++, t++) {
+ if (!(t->lane_mask & lane_mask))
+ continue;
+
if (t->in_layout)
writel(t->val, base + regs[t->offset]);
else
@@ -2005,6 +2469,14 @@ static void qcom_qmp_phy_configure(void __iomem *base,
}
}
+static void qcom_qmp_phy_configure(void __iomem *base,
+ const unsigned int *regs,
+ const struct qmp_phy_init_tbl tbl[],
+ int num)
+{
+ qcom_qmp_phy_configure_lane(base, regs, tbl, num, 0xff);
+}
+
static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
@@ -2219,16 +2691,18 @@ static int qcom_qmp_phy_enable(struct phy *phy)
}
/* Tx, Rx, and PCS configurations */
- qcom_qmp_phy_configure(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num);
+ qcom_qmp_phy_configure_lane(tx, cfg->regs,
+ cfg->tx_tbl, cfg->tx_tbl_num, 1);
/* Configuration for other LANE for USB-DP combo PHY */
if (cfg->is_dual_lane_phy)
- qcom_qmp_phy_configure(qphy->tx2, cfg->regs,
- cfg->tx_tbl, cfg->tx_tbl_num);
+ qcom_qmp_phy_configure_lane(qphy->tx2, cfg->regs,
+ cfg->tx_tbl, cfg->tx_tbl_num, 2);
- qcom_qmp_phy_configure(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num);
+ qcom_qmp_phy_configure_lane(rx, cfg->regs,
+ cfg->rx_tbl, cfg->rx_tbl_num, 1);
if (cfg->is_dual_lane_phy)
- qcom_qmp_phy_configure(qphy->rx2, cfg->regs,
- cfg->rx_tbl, cfg->rx_tbl_num);
+ qcom_qmp_phy_configure_lane(qphy->rx2, cfg->regs,
+ cfg->rx_tbl, cfg->rx_tbl_num, 2);
qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
ret = reset_control_deassert(qmp->ufs_reset);
@@ -2699,6 +3173,9 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
{
+ .compatible = "qcom,ipq8074-qmp-usb3-phy",
+ .data = &ipq8074_usb3phy_cfg,
+ }, {
.compatible = "qcom,msm8996-qmp-pcie-phy",
.data = &msm8996_pciephy_cfg,
}, {
@@ -2746,6 +3223,15 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,sm8150-qmp-usb3-phy",
.data = &sm8150_usb3phy_cfg,
+ }, {
+ .compatible = "qcom,sm8150-qmp-usb3-uni-phy",
+ .data = &sm8150_usb3_uniphy_cfg,
+ }, {
+ .compatible = "qcom,sm8250-qmp-usb3-phy",
+ .data = &sm8250_usb3phy_cfg,
+ }, {
+ .compatible = "qcom,sm8250-qmp-usb3-uni-phy",
+ .data = &sm8250_usb3_uniphy_cfg,
},
{ },
};
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index 6d017a0c0c8d..4277f592684b 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -363,7 +363,10 @@
/* Only for QMP V4 PHY - TX registers */
#define QSERDES_V4_TX_RES_CODE_LANE_TX 0x34
#define QSERDES_V4_TX_RES_CODE_LANE_RX 0x38
+#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX 0x3c
+#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX 0x40
#define QSERDES_V4_TX_LANE_MODE_1 0x84
+#define QSERDES_V4_TX_LANE_MODE_2 0x88
#define QSERDES_V4_TX_RCV_DETECT_LVL_2 0x9c
#define QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1 0xd8
#define QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1 0xdC
@@ -709,6 +712,10 @@
#define QPHY_V4_PCS_USB3_SIGDET_STARTUP_TIMER_VAL 0x354
#define QPHY_V4_PCS_USB3_TEST_CONTROL 0x358
+/* Only for QMP V4 PHY - UNI has 0x300 offset for PCS_USB3 regs */
+#define QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL 0x618
+#define QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2 0x638
+
/* Only for QMP V4 PHY - PCS_MISC registers */
#define QPHY_V4_PCS_MISC_TYPEC_CTRL 0x00
#define QPHY_V4_PCS_MISC_TYPEC_PWRDN_CTRL 0x04
diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 393011a05b48..557547dabfd5 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -810,6 +810,9 @@ static const struct phy_ops qusb2_phy_gen_ops = {
static const struct of_device_id qusb2_phy_of_match_table[] = {
{
+ .compatible = "qcom,ipq8074-qusb2-phy",
+ .data = &msm8996_phy_cfg,
+ }, {
.compatible = "qcom,msm8996-qusb2-phy",
.data = &msm8996_phy_cfg,
}, {
diff --git a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
index 4d74045271eb..ae4bac024c7b 100644
--- a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
+++ b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
@@ -77,6 +77,7 @@ static const char * const qcom_snps_hsphy_vreg_names[] = {
* @phy_reset: phy reset control
* @vregs: regulator supplies bulk data
* @phy_initialized: if PHY has been initialized correctly
+ * @mode: contains the current mode the PHY is in
*/
struct qcom_snps_hsphy {
struct phy *phy;
@@ -88,6 +89,7 @@ struct qcom_snps_hsphy {
struct regulator_bulk_data vregs[SNPS_HS_NUM_VREGS];
bool phy_initialized;
+ enum phy_mode mode;
};
static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
@@ -104,6 +106,72 @@ static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
readl_relaxed(base + offset);
}
+static int qcom_snps_hsphy_suspend(struct qcom_snps_hsphy *hsphy)
+{
+ dev_dbg(&hsphy->phy->dev, "Suspend QCOM SNPS PHY\n");
+
+ if (hsphy->mode == PHY_MODE_USB_HOST) {
+ /* Enable auto-resume to meet remote wakeup timing */
+ qcom_snps_hsphy_write_mask(hsphy->base,
+ USB2_PHY_USB_PHY_HS_PHY_CTRL2,
+ USB2_AUTO_RESUME,
+ USB2_AUTO_RESUME);
+ usleep_range(500, 1000);
+ qcom_snps_hsphy_write_mask(hsphy->base,
+ USB2_PHY_USB_PHY_HS_PHY_CTRL2,
+ 0, USB2_AUTO_RESUME);
+ }
+
+ clk_disable_unprepare(hsphy->cfg_ahb_clk);
+ return 0;
+}
+
+static int qcom_snps_hsphy_resume(struct qcom_snps_hsphy *hsphy)
+{
+ int ret;
+
+ dev_dbg(&hsphy->phy->dev, "Resume QCOM SNPS PHY, mode\n");
+
+ ret = clk_prepare_enable(hsphy->cfg_ahb_clk);
+ if (ret) {
+ dev_err(&hsphy->phy->dev, "failed to enable cfg ahb clock\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __maybe_unused qcom_snps_hsphy_runtime_suspend(struct device *dev)
+{
+ struct qcom_snps_hsphy *hsphy = dev_get_drvdata(dev);
+
+ if (!hsphy->phy_initialized)
+ return 0;
+
+ qcom_snps_hsphy_suspend(hsphy);
+ return 0;
+}
+
+static int __maybe_unused qcom_snps_hsphy_runtime_resume(struct device *dev)
+{
+ struct qcom_snps_hsphy *hsphy = dev_get_drvdata(dev);
+
+ if (!hsphy->phy_initialized)
+ return 0;
+
+ qcom_snps_hsphy_resume(hsphy);
+ return 0;
+}
+
+static int qcom_snps_hsphy_set_mode(struct phy *phy, enum phy_mode mode,
+ int submode)
+{
+ struct qcom_snps_hsphy *hsphy = phy_get_drvdata(phy);
+
+ hsphy->mode = mode;
+ return 0;
+}
+
static int qcom_snps_hsphy_init(struct phy *phy)
{
struct qcom_snps_hsphy *hsphy = phy_get_drvdata(phy);
@@ -201,6 +269,7 @@ static int qcom_snps_hsphy_exit(struct phy *phy)
static const struct phy_ops qcom_snps_hsphy_gen_ops = {
.init = qcom_snps_hsphy_init,
.exit = qcom_snps_hsphy_exit,
+ .set_mode = qcom_snps_hsphy_set_mode,
.owner = THIS_MODULE,
};
@@ -212,6 +281,11 @@ static const struct of_device_id qcom_snps_hsphy_of_match_table[] = {
};
MODULE_DEVICE_TABLE(of, qcom_snps_hsphy_of_match_table);
+static const struct dev_pm_ops qcom_snps_hsphy_pm_ops = {
+ SET_RUNTIME_PM_OPS(qcom_snps_hsphy_runtime_suspend,
+ qcom_snps_hsphy_runtime_resume, NULL)
+};
+
static int qcom_snps_hsphy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -255,6 +329,14 @@ static int qcom_snps_hsphy_probe(struct platform_device *pdev)
return ret;
}
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ /*
+ * Prevent runtime pm from being ON by default. Users can enable
+ * it using power/control in sysfs.
+ */
+ pm_runtime_forbid(dev);
+
generic_phy = devm_phy_create(dev, NULL, &qcom_snps_hsphy_gen_ops);
if (IS_ERR(generic_phy)) {
ret = PTR_ERR(generic_phy);
@@ -269,6 +351,8 @@ static int qcom_snps_hsphy_probe(struct platform_device *pdev)
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
if (!IS_ERR(phy_provider))
dev_dbg(dev, "Registered Qcom-SNPS HS phy\n");
+ else
+ pm_runtime_disable(dev);
return PTR_ERR_OR_ZERO(phy_provider);
}
@@ -277,6 +361,7 @@ static struct platform_driver qcom_snps_hsphy_driver = {
.probe = qcom_snps_hsphy_probe,
.driver = {
.name = "qcom-snps-hs-femto-v2-phy",
+ .pm = &qcom_snps_hsphy_pm_ops,
.of_match_table = qcom_snps_hsphy_of_match_table,
},
};
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-i.h b/drivers/phy/qualcomm/phy-qcom-ufs-i.h
deleted file mode 100644
index 9bf973a0d8c3..000000000000
--- a/drivers/phy/qualcomm/phy-qcom-ufs-i.h
+++ /dev/null
@@ -1,131 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#ifndef UFS_QCOM_PHY_I_H_
-#define UFS_QCOM_PHY_I_H_
-
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/phy/phy.h>
-#include <linux/regulator/consumer.h>
-#include <linux/reset.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/iopoll.h>
-
-#define UFS_QCOM_PHY_CAL_ENTRY(reg, val) \
- { \
- .reg_offset = reg, \
- .cfg_value = val, \
- }
-
-#define UFS_QCOM_PHY_NAME_LEN 30
-
-enum {
- MASK_SERDES_START = 0x1,
- MASK_PCS_READY = 0x1,
-};
-
-enum {
- OFFSET_SERDES_START = 0x0,
-};
-
-struct ufs_qcom_phy_stored_attributes {
- u32 att;
- u32 value;
-};
-
-
-struct ufs_qcom_phy_calibration {
- u32 reg_offset;
- u32 cfg_value;
-};
-
-struct ufs_qcom_phy_vreg {
- const char *name;
- struct regulator *reg;
- int max_uA;
- int min_uV;
- int max_uV;
- bool enabled;
-};
-
-struct ufs_qcom_phy {
- struct list_head list;
- struct device *dev;
- void __iomem *mmio;
- void __iomem *dev_ref_clk_ctrl_mmio;
- struct clk *tx_iface_clk;
- struct clk *rx_iface_clk;
- bool is_iface_clk_enabled;
- struct clk *ref_clk_src;
- struct clk *ref_clk_parent;
- struct clk *ref_clk;
- bool is_ref_clk_enabled;
- bool is_dev_ref_clk_enabled;
- struct ufs_qcom_phy_vreg vdda_pll;
- struct ufs_qcom_phy_vreg vdda_phy;
- struct ufs_qcom_phy_vreg vddp_ref_clk;
- unsigned int quirks;
-
- /*
- * If UFS link is put into Hibern8 and if UFS PHY analog hardware is
- * power collapsed (by clearing UFS_PHY_POWER_DOWN_CONTROL), Hibern8
- * exit might fail even after powering on UFS PHY analog hardware.
- * Enabling this quirk will help to solve above issue by doing
- * custom PHY settings just before PHY analog power collapse.
- */
- #define UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE BIT(0)
-
- u8 host_ctrl_rev_major;
- u16 host_ctrl_rev_minor;
- u16 host_ctrl_rev_step;
-
- char name[UFS_QCOM_PHY_NAME_LEN];
- struct ufs_qcom_phy_calibration *cached_regs;
- int cached_regs_table_size;
- struct ufs_qcom_phy_specific_ops *phy_spec_ops;
-
- enum phy_mode mode;
- struct reset_control *ufs_reset;
-};
-
-/**
- * struct ufs_qcom_phy_specific_ops - set of pointers to functions which have a
- * specific implementation per phy. Each UFS phy, should implement
- * those functions according to its spec and requirements
- * @start_serdes: pointer to a function that starts the serdes
- * @is_physical_coding_sublayer_ready: pointer to a function that
- * checks pcs readiness. returns 0 for success and non-zero for error.
- * @set_tx_lane_enable: pointer to a function that enable tx lanes
- * @power_control: pointer to a function that controls analog rail of phy
- * and writes to QSERDES_RX_SIGDET_CNTRL attribute
- */
-struct ufs_qcom_phy_specific_ops {
- int (*calibrate)(struct ufs_qcom_phy *ufs_qcom_phy, bool is_rate_B);
- void (*start_serdes)(struct ufs_qcom_phy *phy);
- int (*is_physical_coding_sublayer_ready)(struct ufs_qcom_phy *phy);
- void (*set_tx_lane_enable)(struct ufs_qcom_phy *phy, u32 val);
- void (*power_control)(struct ufs_qcom_phy *phy, bool val);
-};
-
-struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy);
-int ufs_qcom_phy_power_on(struct phy *generic_phy);
-int ufs_qcom_phy_power_off(struct phy *generic_phy);
-int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common);
-int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common);
-int ufs_qcom_phy_remove(struct phy *generic_phy,
- struct ufs_qcom_phy *ufs_qcom_phy);
-struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
- struct ufs_qcom_phy *common_cfg,
- const struct phy_ops *ufs_qcom_phy_gen_ops,
- struct ufs_qcom_phy_specific_ops *phy_spec_ops);
-int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
- struct ufs_qcom_phy_calibration *tbl_A, int tbl_size_A,
- struct ufs_qcom_phy_calibration *tbl_B, int tbl_size_B,
- bool is_rate_B);
-#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c
deleted file mode 100644
index 54b355bfc24c..000000000000
--- a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c
+++ /dev/null
@@ -1,172 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#include "phy-qcom-ufs-qmp-14nm.h"
-
-#define UFS_PHY_NAME "ufs_phy_qmp_14nm"
-#define UFS_PHY_VDDA_PHY_UV (925000)
-
-static
-int ufs_qcom_phy_qmp_14nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
- bool is_rate_B)
-{
- int tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A);
- int tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);
- int err;
-
- err = ufs_qcom_phy_calibrate(ufs_qcom_phy, phy_cal_table_rate_A,
- tbl_size_A, phy_cal_table_rate_B, tbl_size_B, is_rate_B);
-
- if (err)
- dev_err(ufs_qcom_phy->dev,
- "%s: ufs_qcom_phy_calibrate() failed %d\n",
- __func__, err);
- return err;
-}
-
-static
-void ufs_qcom_phy_qmp_14nm_advertise_quirks(struct ufs_qcom_phy *phy_common)
-{
- phy_common->quirks =
- UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
-}
-
-static
-int ufs_qcom_phy_qmp_14nm_set_mode(struct phy *generic_phy,
- enum phy_mode mode, int submode)
-{
- struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-
- phy_common->mode = PHY_MODE_INVALID;
-
- if (mode > 0)
- phy_common->mode = mode;
-
- return 0;
-}
-
-static
-void ufs_qcom_phy_qmp_14nm_power_control(struct ufs_qcom_phy *phy, bool val)
-{
- writel_relaxed(val ? 0x1 : 0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
- /*
- * Before any transactions involving PHY, ensure PHY knows
- * that it's analog rail is powered ON (or OFF).
- */
- mb();
-}
-
-static inline
-void ufs_qcom_phy_qmp_14nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)
-{
- /*
- * 14nm PHY does not have TX_LANE_ENABLE register.
- * Implement this function so as not to propagate error to caller.
- */
-}
-
-static inline void ufs_qcom_phy_qmp_14nm_start_serdes(struct ufs_qcom_phy *phy)
-{
- u32 tmp;
-
- tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);
- tmp &= ~MASK_SERDES_START;
- tmp |= (1 << OFFSET_SERDES_START);
- writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);
- /* Ensure register value is committed */
- mb();
-}
-
-static int ufs_qcom_phy_qmp_14nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
-{
- int err = 0;
- u32 val;
-
- err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,
- val, (val & MASK_PCS_READY), 10, 1000000);
- if (err)
- dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",
- __func__, err);
- return err;
-}
-
-static const struct phy_ops ufs_qcom_phy_qmp_14nm_phy_ops = {
- .power_on = ufs_qcom_phy_power_on,
- .power_off = ufs_qcom_phy_power_off,
- .set_mode = ufs_qcom_phy_qmp_14nm_set_mode,
- .owner = THIS_MODULE,
-};
-
-static struct ufs_qcom_phy_specific_ops phy_14nm_ops = {
- .calibrate = ufs_qcom_phy_qmp_14nm_phy_calibrate,
- .start_serdes = ufs_qcom_phy_qmp_14nm_start_serdes,
- .is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_14nm_is_pcs_ready,
- .set_tx_lane_enable = ufs_qcom_phy_qmp_14nm_set_tx_lane_enable,
- .power_control = ufs_qcom_phy_qmp_14nm_power_control,
-};
-
-static int ufs_qcom_phy_qmp_14nm_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct phy *generic_phy;
- struct ufs_qcom_phy_qmp_14nm *phy;
- struct ufs_qcom_phy *phy_common;
- int err = 0;
-
- phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
- if (!phy) {
- err = -ENOMEM;
- goto out;
- }
- phy_common = &phy->common_cfg;
-
- generic_phy = ufs_qcom_phy_generic_probe(pdev, phy_common,
- &ufs_qcom_phy_qmp_14nm_phy_ops, &phy_14nm_ops);
-
- if (!generic_phy) {
- err = -EIO;
- goto out;
- }
-
- err = ufs_qcom_phy_init_clks(phy_common);
- if (err)
- goto out;
-
- err = ufs_qcom_phy_init_vregulators(phy_common);
- if (err)
- goto out;
-
- phy_common->vdda_phy.max_uV = UFS_PHY_VDDA_PHY_UV;
- phy_common->vdda_phy.min_uV = UFS_PHY_VDDA_PHY_UV;
-
- ufs_qcom_phy_qmp_14nm_advertise_quirks(phy_common);
-
- phy_set_drvdata(generic_phy, phy);
-
- strlcpy(phy_common->name, UFS_PHY_NAME, sizeof(phy_common->name));
-
-out:
- return err;
-}
-
-static const struct of_device_id ufs_qcom_phy_qmp_14nm_of_match[] = {
- {.compatible = "qcom,ufs-phy-qmp-14nm"},
- {.compatible = "qcom,msm8996-ufs-phy-qmp-14nm"},
- {},
-};
-MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_14nm_of_match);
-
-static struct platform_driver ufs_qcom_phy_qmp_14nm_driver = {
- .probe = ufs_qcom_phy_qmp_14nm_probe,
- .driver = {
- .of_match_table = ufs_qcom_phy_qmp_14nm_of_match,
- .name = "ufs_qcom_phy_qmp_14nm",
- },
-};
-
-module_platform_driver(ufs_qcom_phy_qmp_14nm_driver);
-
-MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 14nm");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.h b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.h
deleted file mode 100644
index ceca654b9338..000000000000
--- a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.h
+++ /dev/null
@@ -1,168 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#ifndef UFS_QCOM_PHY_QMP_14NM_H_
-#define UFS_QCOM_PHY_QMP_14NM_H_
-
-#include "phy-qcom-ufs-i.h"
-
-/* QCOM UFS PHY control registers */
-#define COM_OFF(x) (0x000 + x)
-#define PHY_OFF(x) (0xC00 + x)
-#define TX_OFF(n, x) (0x400 + (0x400 * n) + x)
-#define RX_OFF(n, x) (0x600 + (0x400 * n) + x)
-
-/* UFS PHY QSERDES COM registers */
-#define QSERDES_COM_BG_TIMER COM_OFF(0x0C)
-#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN COM_OFF(0x34)
-#define QSERDES_COM_SYS_CLK_CTRL COM_OFF(0x3C)
-#define QSERDES_COM_LOCK_CMP1_MODE0 COM_OFF(0x4C)
-#define QSERDES_COM_LOCK_CMP2_MODE0 COM_OFF(0x50)
-#define QSERDES_COM_LOCK_CMP3_MODE0 COM_OFF(0x54)
-#define QSERDES_COM_LOCK_CMP1_MODE1 COM_OFF(0x58)
-#define QSERDES_COM_LOCK_CMP2_MODE1 COM_OFF(0x5C)
-#define QSERDES_COM_LOCK_CMP3_MODE1 COM_OFF(0x60)
-#define QSERDES_COM_CP_CTRL_MODE0 COM_OFF(0x78)
-#define QSERDES_COM_CP_CTRL_MODE1 COM_OFF(0x7C)
-#define QSERDES_COM_PLL_RCTRL_MODE0 COM_OFF(0x84)
-#define QSERDES_COM_PLL_RCTRL_MODE1 COM_OFF(0x88)
-#define QSERDES_COM_PLL_CCTRL_MODE0 COM_OFF(0x90)
-#define QSERDES_COM_PLL_CCTRL_MODE1 COM_OFF(0x94)
-#define QSERDES_COM_SYSCLK_EN_SEL COM_OFF(0xAC)
-#define QSERDES_COM_RESETSM_CNTRL COM_OFF(0xB4)
-#define QSERDES_COM_LOCK_CMP_EN COM_OFF(0xC8)
-#define QSERDES_COM_LOCK_CMP_CFG COM_OFF(0xCC)
-#define QSERDES_COM_DEC_START_MODE0 COM_OFF(0xD0)
-#define QSERDES_COM_DEC_START_MODE1 COM_OFF(0xD4)
-#define QSERDES_COM_DIV_FRAC_START1_MODE0 COM_OFF(0xDC)
-#define QSERDES_COM_DIV_FRAC_START2_MODE0 COM_OFF(0xE0)
-#define QSERDES_COM_DIV_FRAC_START3_MODE0 COM_OFF(0xE4)
-#define QSERDES_COM_DIV_FRAC_START1_MODE1 COM_OFF(0xE8)
-#define QSERDES_COM_DIV_FRAC_START2_MODE1 COM_OFF(0xEC)
-#define QSERDES_COM_DIV_FRAC_START3_MODE1 COM_OFF(0xF0)
-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE0 COM_OFF(0x108)
-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE0 COM_OFF(0x10C)
-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE1 COM_OFF(0x110)
-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE1 COM_OFF(0x114)
-#define QSERDES_COM_VCO_TUNE_CTRL COM_OFF(0x124)
-#define QSERDES_COM_VCO_TUNE_MAP COM_OFF(0x128)
-#define QSERDES_COM_VCO_TUNE1_MODE0 COM_OFF(0x12C)
-#define QSERDES_COM_VCO_TUNE2_MODE0 COM_OFF(0x130)
-#define QSERDES_COM_VCO_TUNE1_MODE1 COM_OFF(0x134)
-#define QSERDES_COM_VCO_TUNE2_MODE1 COM_OFF(0x138)
-#define QSERDES_COM_VCO_TUNE_TIMER1 COM_OFF(0x144)
-#define QSERDES_COM_VCO_TUNE_TIMER2 COM_OFF(0x148)
-#define QSERDES_COM_CLK_SELECT COM_OFF(0x174)
-#define QSERDES_COM_HSCLK_SEL COM_OFF(0x178)
-#define QSERDES_COM_CORECLK_DIV COM_OFF(0x184)
-#define QSERDES_COM_CORE_CLK_EN COM_OFF(0x18C)
-#define QSERDES_COM_CMN_CONFIG COM_OFF(0x194)
-#define QSERDES_COM_SVS_MODE_CLK_SEL COM_OFF(0x19C)
-#define QSERDES_COM_CORECLK_DIV_MODE1 COM_OFF(0x1BC)
-
-/* UFS PHY registers */
-#define UFS_PHY_PHY_START PHY_OFF(0x00)
-#define UFS_PHY_POWER_DOWN_CONTROL PHY_OFF(0x04)
-#define UFS_PHY_PCS_READY_STATUS PHY_OFF(0x168)
-
-/* UFS PHY TX registers */
-#define QSERDES_TX_HIGHZ_TRANSCEIVER_BIAS_DRVR_EN TX_OFF(0, 0x68)
-#define QSERDES_TX_LANE_MODE TX_OFF(0, 0x94)
-
-/* UFS PHY RX registers */
-#define QSERDES_RX_UCDR_FASTLOCK_FO_GAIN RX_OFF(0, 0x40)
-#define QSERDES_RX_RX_TERM_BW RX_OFF(0, 0x90)
-#define QSERDES_RX_RX_EQ_GAIN1_LSB RX_OFF(0, 0xC4)
-#define QSERDES_RX_RX_EQ_GAIN1_MSB RX_OFF(0, 0xC8)
-#define QSERDES_RX_RX_EQ_GAIN2_LSB RX_OFF(0, 0xCC)
-#define QSERDES_RX_RX_EQ_GAIN2_MSB RX_OFF(0, 0xD0)
-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2 RX_OFF(0, 0xD8)
-#define QSERDES_RX_SIGDET_CNTRL RX_OFF(0, 0x114)
-#define QSERDES_RX_SIGDET_LVL RX_OFF(0, 0x118)
-#define QSERDES_RX_SIGDET_DEGLITCH_CNTRL RX_OFF(0, 0x11C)
-#define QSERDES_RX_RX_INTERFACE_MODE RX_OFF(0, 0x12C)
-
-/*
- * This structure represents the 14nm specific phy.
- * common_cfg MUST remain the first field in this structure
- * in case extra fields are added. This way, when calling
- * get_ufs_qcom_phy() of generic phy, we can extract the
- * common phy structure (struct ufs_qcom_phy) out of it
- * regardless of the relevant specific phy.
- */
-struct ufs_qcom_phy_qmp_14nm {
- struct ufs_qcom_phy common_cfg;
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_A[] = {
- UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CMN_CONFIG, 0x0e),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL, 0xd7),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CLK_SELECT, 0x30),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYS_CLK_CTRL, 0x06),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BG_TIMER, 0x0a),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_HSCLK_SEL, 0x05),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORECLK_DIV, 0x0a),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORECLK_DIV_MODE1, 0x0a),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP_EN, 0x01),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_CTRL, 0x10),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x20),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORE_CLK_EN, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP_CFG, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_TIMER1, 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_MAP, 0x14),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SVS_MODE_CLK_SEL, 0x05),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START_MODE0, 0x82),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE1_MODE0, 0x28),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE2_MODE0, 0x02),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP1_MODE0, 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP2_MODE0, 0x0c),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START_MODE1, 0x98),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1_MODE1, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2_MODE1, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3_MODE1, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CP_CTRL_MODE1, 0x0b),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RCTRL_MODE1, 0x16),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CCTRL_MODE1, 0x28),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN0_MODE1, 0x80),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE1_MODE1, 0xd6),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE2_MODE1, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP1_MODE1, 0x32),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP2_MODE1, 0x0f),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP3_MODE1, 0x00),
-
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_HIGHZ_TRANSCEIVER_BIAS_DRVR_EN, 0x45),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE, 0x02),
-
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_LVL, 0x24),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_CNTRL, 0x02),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_INTERFACE_MODE, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x18),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0B),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_TERM_BW, 0x5B),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB, 0xFF),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB, 0x3F),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB, 0xFF),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB, 0x0F),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0E),
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_MAP, 0x54),
-};
-
-#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c
deleted file mode 100644
index 3e9d8b71e995..000000000000
--- a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c
+++ /dev/null
@@ -1,226 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#include "phy-qcom-ufs-qmp-20nm.h"
-
-#define UFS_PHY_NAME "ufs_phy_qmp_20nm"
-
-static
-int ufs_qcom_phy_qmp_20nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
- bool is_rate_B)
-{
- struct ufs_qcom_phy_calibration *tbl_A, *tbl_B;
- int tbl_size_A, tbl_size_B;
- u8 major = ufs_qcom_phy->host_ctrl_rev_major;
- u16 minor = ufs_qcom_phy->host_ctrl_rev_minor;
- u16 step = ufs_qcom_phy->host_ctrl_rev_step;
- int err;
-
- if ((major == 0x1) && (minor == 0x002) && (step == 0x0000)) {
- tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_2_0);
- tbl_A = phy_cal_table_rate_A_1_2_0;
- } else if ((major == 0x1) && (minor == 0x003) && (step == 0x0000)) {
- tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_3_0);
- tbl_A = phy_cal_table_rate_A_1_3_0;
- } else {
- dev_err(ufs_qcom_phy->dev, "%s: Unknown UFS-PHY version, no calibration values\n",
- __func__);
- err = -ENODEV;
- goto out;
- }
-
- tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);
- tbl_B = phy_cal_table_rate_B;
-
- err = ufs_qcom_phy_calibrate(ufs_qcom_phy, tbl_A, tbl_size_A,
- tbl_B, tbl_size_B, is_rate_B);
-
- if (err)
- dev_err(ufs_qcom_phy->dev, "%s: ufs_qcom_phy_calibrate() failed %d\n",
- __func__, err);
-
-out:
- return err;
-}
-
-static
-void ufs_qcom_phy_qmp_20nm_advertise_quirks(struct ufs_qcom_phy *phy_common)
-{
- phy_common->quirks =
- UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
-}
-
-static
-int ufs_qcom_phy_qmp_20nm_set_mode(struct phy *generic_phy,
- enum phy_mode mode, int submode)
-{
- struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-
- phy_common->mode = PHY_MODE_INVALID;
-
- if (mode > 0)
- phy_common->mode = mode;
-
- return 0;
-}
-
-static
-void ufs_qcom_phy_qmp_20nm_power_control(struct ufs_qcom_phy *phy, bool val)
-{
- bool hibern8_exit_after_pwr_collapse = phy->quirks &
- UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
-
- if (val) {
- writel_relaxed(0x1, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
- /*
- * Before any transactions involving PHY, ensure PHY knows
- * that it's analog rail is powered ON.
- */
- mb();
-
- if (hibern8_exit_after_pwr_collapse) {
- /*
- * Give atleast 1us delay after restoring PHY analog
- * power.
- */
- usleep_range(1, 2);
- writel_relaxed(0x0A, phy->mmio +
- QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
- writel_relaxed(0x08, phy->mmio +
- QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
- /*
- * Make sure workaround is deactivated before proceeding
- * with normal PHY operations.
- */
- mb();
- }
- } else {
- if (hibern8_exit_after_pwr_collapse) {
- writel_relaxed(0x0A, phy->mmio +
- QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
- writel_relaxed(0x02, phy->mmio +
- QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
- /*
- * Make sure that above workaround is activated before
- * PHY analog power collapse.
- */
- mb();
- }
-
- writel_relaxed(0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
- /*
- * ensure that PHY knows its PHY analog rail is going
- * to be powered down
- */
- mb();
- }
-}
-
-static
-void ufs_qcom_phy_qmp_20nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)
-{
- writel_relaxed(val & UFS_PHY_TX_LANE_ENABLE_MASK,
- phy->mmio + UFS_PHY_TX_LANE_ENABLE);
- mb();
-}
-
-static inline void ufs_qcom_phy_qmp_20nm_start_serdes(struct ufs_qcom_phy *phy)
-{
- u32 tmp;
-
- tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);
- tmp &= ~MASK_SERDES_START;
- tmp |= (1 << OFFSET_SERDES_START);
- writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);
- mb();
-}
-
-static int ufs_qcom_phy_qmp_20nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
-{
- int err = 0;
- u32 val;
-
- err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,
- val, (val & MASK_PCS_READY), 10, 1000000);
- if (err)
- dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",
- __func__, err);
- return err;
-}
-
-static const struct phy_ops ufs_qcom_phy_qmp_20nm_phy_ops = {
- .power_on = ufs_qcom_phy_power_on,
- .power_off = ufs_qcom_phy_power_off,
- .set_mode = ufs_qcom_phy_qmp_20nm_set_mode,
- .owner = THIS_MODULE,
-};
-
-static struct ufs_qcom_phy_specific_ops phy_20nm_ops = {
- .calibrate = ufs_qcom_phy_qmp_20nm_phy_calibrate,
- .start_serdes = ufs_qcom_phy_qmp_20nm_start_serdes,
- .is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_20nm_is_pcs_ready,
- .set_tx_lane_enable = ufs_qcom_phy_qmp_20nm_set_tx_lane_enable,
- .power_control = ufs_qcom_phy_qmp_20nm_power_control,
-};
-
-static int ufs_qcom_phy_qmp_20nm_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct phy *generic_phy;
- struct ufs_qcom_phy_qmp_20nm *phy;
- struct ufs_qcom_phy *phy_common;
- int err = 0;
-
- phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
- if (!phy) {
- err = -ENOMEM;
- goto out;
- }
- phy_common = &phy->common_cfg;
-
- generic_phy = ufs_qcom_phy_generic_probe(pdev, phy_common,
- &ufs_qcom_phy_qmp_20nm_phy_ops, &phy_20nm_ops);
-
- if (!generic_phy) {
- err = -EIO;
- goto out;
- }
-
- err = ufs_qcom_phy_init_clks(phy_common);
- if (err)
- goto out;
-
- err = ufs_qcom_phy_init_vregulators(phy_common);
- if (err)
- goto out;
-
- ufs_qcom_phy_qmp_20nm_advertise_quirks(phy_common);
-
- phy_set_drvdata(generic_phy, phy);
-
- strlcpy(phy_common->name, UFS_PHY_NAME, sizeof(phy_common->name));
-
-out:
- return err;
-}
-
-static const struct of_device_id ufs_qcom_phy_qmp_20nm_of_match[] = {
- {.compatible = "qcom,ufs-phy-qmp-20nm"},
- {},
-};
-MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_20nm_of_match);
-
-static struct platform_driver ufs_qcom_phy_qmp_20nm_driver = {
- .probe = ufs_qcom_phy_qmp_20nm_probe,
- .driver = {
- .of_match_table = ufs_qcom_phy_qmp_20nm_of_match,
- .name = "ufs_qcom_phy_qmp_20nm",
- },
-};
-
-module_platform_driver(ufs_qcom_phy_qmp_20nm_driver);
-
-MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 20nm");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.h b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.h
deleted file mode 100644
index 8ce79f524eed..000000000000
--- a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.h
+++ /dev/null
@@ -1,226 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#ifndef UFS_QCOM_PHY_QMP_20NM_H_
-#define UFS_QCOM_PHY_QMP_20NM_H_
-
-#include "phy-qcom-ufs-i.h"
-
-/* QCOM UFS PHY control registers */
-
-#define COM_OFF(x) (0x000 + x)
-#define PHY_OFF(x) (0xC00 + x)
-#define TX_OFF(n, x) (0x400 + (0x400 * n) + x)
-#define RX_OFF(n, x) (0x600 + (0x400 * n) + x)
-
-/* UFS PHY PLL block registers */
-#define QSERDES_COM_SYS_CLK_CTRL COM_OFF(0x0)
-#define QSERDES_COM_PLL_VCOTAIL_EN COM_OFF(0x04)
-#define QSERDES_COM_PLL_CNTRL COM_OFF(0x14)
-#define QSERDES_COM_PLL_IP_SETI COM_OFF(0x24)
-#define QSERDES_COM_CORE_CLK_IN_SYNC_SEL COM_OFF(0x28)
-#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN COM_OFF(0x30)
-#define QSERDES_COM_PLL_CP_SETI COM_OFF(0x34)
-#define QSERDES_COM_PLL_IP_SETP COM_OFF(0x38)
-#define QSERDES_COM_PLL_CP_SETP COM_OFF(0x3C)
-#define QSERDES_COM_SYSCLK_EN_SEL_TXBAND COM_OFF(0x48)
-#define QSERDES_COM_RESETSM_CNTRL COM_OFF(0x4C)
-#define QSERDES_COM_RESETSM_CNTRL2 COM_OFF(0x50)
-#define QSERDES_COM_PLLLOCK_CMP1 COM_OFF(0x90)
-#define QSERDES_COM_PLLLOCK_CMP2 COM_OFF(0x94)
-#define QSERDES_COM_PLLLOCK_CMP3 COM_OFF(0x98)
-#define QSERDES_COM_PLLLOCK_CMP_EN COM_OFF(0x9C)
-#define QSERDES_COM_BGTC COM_OFF(0xA0)
-#define QSERDES_COM_DEC_START1 COM_OFF(0xAC)
-#define QSERDES_COM_PLL_AMP_OS COM_OFF(0xB0)
-#define QSERDES_COM_RES_CODE_UP_OFFSET COM_OFF(0xD8)
-#define QSERDES_COM_RES_CODE_DN_OFFSET COM_OFF(0xDC)
-#define QSERDES_COM_DIV_FRAC_START1 COM_OFF(0x100)
-#define QSERDES_COM_DIV_FRAC_START2 COM_OFF(0x104)
-#define QSERDES_COM_DIV_FRAC_START3 COM_OFF(0x108)
-#define QSERDES_COM_DEC_START2 COM_OFF(0x10C)
-#define QSERDES_COM_PLL_RXTXEPCLK_EN COM_OFF(0x110)
-#define QSERDES_COM_PLL_CRCTRL COM_OFF(0x114)
-#define QSERDES_COM_PLL_CLKEPDIV COM_OFF(0x118)
-
-/* TX LANE n (0, 1) registers */
-#define QSERDES_TX_EMP_POST1_LVL(n) TX_OFF(n, 0x08)
-#define QSERDES_TX_DRV_LVL(n) TX_OFF(n, 0x0C)
-#define QSERDES_TX_LANE_MODE(n) TX_OFF(n, 0x54)
-
-/* RX LANE n (0, 1) registers */
-#define QSERDES_RX_CDR_CONTROL1(n) RX_OFF(n, 0x0)
-#define QSERDES_RX_CDR_CONTROL_HALF(n) RX_OFF(n, 0x8)
-#define QSERDES_RX_RX_EQ_GAIN1_LSB(n) RX_OFF(n, 0xA8)
-#define QSERDES_RX_RX_EQ_GAIN1_MSB(n) RX_OFF(n, 0xAC)
-#define QSERDES_RX_RX_EQ_GAIN2_LSB(n) RX_OFF(n, 0xB0)
-#define QSERDES_RX_RX_EQ_GAIN2_MSB(n) RX_OFF(n, 0xB4)
-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(n) RX_OFF(n, 0xBC)
-#define QSERDES_RX_CDR_CONTROL_QUARTER(n) RX_OFF(n, 0xC)
-#define QSERDES_RX_SIGDET_CNTRL(n) RX_OFF(n, 0x100)
-
-/* UFS PHY registers */
-#define UFS_PHY_PHY_START PHY_OFF(0x00)
-#define UFS_PHY_POWER_DOWN_CONTROL PHY_OFF(0x4)
-#define UFS_PHY_TX_LANE_ENABLE PHY_OFF(0x44)
-#define UFS_PHY_PWM_G1_CLK_DIVIDER PHY_OFF(0x08)
-#define UFS_PHY_PWM_G2_CLK_DIVIDER PHY_OFF(0x0C)
-#define UFS_PHY_PWM_G3_CLK_DIVIDER PHY_OFF(0x10)
-#define UFS_PHY_PWM_G4_CLK_DIVIDER PHY_OFF(0x14)
-#define UFS_PHY_CORECLK_PWM_G1_CLK_DIVIDER PHY_OFF(0x34)
-#define UFS_PHY_CORECLK_PWM_G2_CLK_DIVIDER PHY_OFF(0x38)
-#define UFS_PHY_CORECLK_PWM_G3_CLK_DIVIDER PHY_OFF(0x3C)
-#define UFS_PHY_CORECLK_PWM_G4_CLK_DIVIDER PHY_OFF(0x40)
-#define UFS_PHY_OMC_STATUS_RDVAL PHY_OFF(0x68)
-#define UFS_PHY_LINE_RESET_TIME PHY_OFF(0x28)
-#define UFS_PHY_LINE_RESET_GRANULARITY PHY_OFF(0x2C)
-#define UFS_PHY_TSYNC_RSYNC_CNTL PHY_OFF(0x48)
-#define UFS_PHY_PLL_CNTL PHY_OFF(0x50)
-#define UFS_PHY_TX_LARGE_AMP_DRV_LVL PHY_OFF(0x54)
-#define UFS_PHY_TX_SMALL_AMP_DRV_LVL PHY_OFF(0x5C)
-#define UFS_PHY_TX_LARGE_AMP_POST_EMP_LVL PHY_OFF(0x58)
-#define UFS_PHY_TX_SMALL_AMP_POST_EMP_LVL PHY_OFF(0x60)
-#define UFS_PHY_CFG_CHANGE_CNT_VAL PHY_OFF(0x64)
-#define UFS_PHY_RX_SYNC_WAIT_TIME PHY_OFF(0x6C)
-#define UFS_PHY_TX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xB4)
-#define UFS_PHY_RX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xE0)
-#define UFS_PHY_TX_MIN_STALL_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xB8)
-#define UFS_PHY_RX_MIN_STALL_NOCONFIG_TIME_CAPABILITY PHY_OFF(0xE4)
-#define UFS_PHY_TX_MIN_SAVE_CONFIG_TIME_CAPABILITY PHY_OFF(0xBC)
-#define UFS_PHY_RX_MIN_SAVE_CONFIG_TIME_CAPABILITY PHY_OFF(0xE8)
-#define UFS_PHY_RX_PWM_BURST_CLOSURE_LENGTH_CAPABILITY PHY_OFF(0xFC)
-#define UFS_PHY_RX_MIN_ACTIVATETIME_CAPABILITY PHY_OFF(0x100)
-#define UFS_PHY_RX_SIGDET_CTRL3 PHY_OFF(0x14c)
-#define UFS_PHY_RMMI_ATTR_CTRL PHY_OFF(0x160)
-#define UFS_PHY_RMMI_RX_CFGUPDT_L1 (1 << 7)
-#define UFS_PHY_RMMI_TX_CFGUPDT_L1 (1 << 6)
-#define UFS_PHY_RMMI_CFGWR_L1 (1 << 5)
-#define UFS_PHY_RMMI_CFGRD_L1 (1 << 4)
-#define UFS_PHY_RMMI_RX_CFGUPDT_L0 (1 << 3)
-#define UFS_PHY_RMMI_TX_CFGUPDT_L0 (1 << 2)
-#define UFS_PHY_RMMI_CFGWR_L0 (1 << 1)
-#define UFS_PHY_RMMI_CFGRD_L0 (1 << 0)
-#define UFS_PHY_RMMI_ATTRID PHY_OFF(0x164)
-#define UFS_PHY_RMMI_ATTRWRVAL PHY_OFF(0x168)
-#define UFS_PHY_RMMI_ATTRRDVAL_L0_STATUS PHY_OFF(0x16C)
-#define UFS_PHY_RMMI_ATTRRDVAL_L1_STATUS PHY_OFF(0x170)
-#define UFS_PHY_PCS_READY_STATUS PHY_OFF(0x174)
-
-#define UFS_PHY_TX_LANE_ENABLE_MASK 0x3
-
-/*
- * This structure represents the 20nm specific phy.
- * common_cfg MUST remain the first field in this structure
- * in case extra fields are added. This way, when calling
- * get_ufs_qcom_phy() of generic phy, we can extract the
- * common phy structure (struct ufs_qcom_phy) out of it
- * regardless of the relevant specific phy.
- */
-struct ufs_qcom_phy_qmp_20nm {
- struct ufs_qcom_phy common_cfg;
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_2_0[] = {
- UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
- UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x3f),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x1b),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x0f),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(0), 0x2F),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(0), 0x20),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(1), 0x2F),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(1), 0x20),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_3_0[] = {
- UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
- UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x2b),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x38),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x3c),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_UP_OFFSET, 0x02),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_DN_OFFSET, 0x02),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CNTRL, 0x40),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x98),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0x65),
- UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x1e),
-};
-
-#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs.c b/drivers/phy/qualcomm/phy-qcom-ufs.c
deleted file mode 100644
index 763c8d396af1..000000000000
--- a/drivers/phy/qualcomm/phy-qcom-ufs.c
+++ /dev/null
@@ -1,648 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#include "phy-qcom-ufs-i.h"
-
-#define MAX_PROP_NAME 32
-#define VDDA_PHY_MIN_UV 1000000
-#define VDDA_PHY_MAX_UV 1000000
-#define VDDA_PLL_MIN_UV 1800000
-#define VDDA_PLL_MAX_UV 1800000
-#define VDDP_REF_CLK_MIN_UV 1200000
-#define VDDP_REF_CLK_MAX_UV 1200000
-
-int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
- struct ufs_qcom_phy_calibration *tbl_A,
- int tbl_size_A,
- struct ufs_qcom_phy_calibration *tbl_B,
- int tbl_size_B, bool is_rate_B)
-{
- int i;
- int ret = 0;
-
- if (!tbl_A) {
- dev_err(ufs_qcom_phy->dev, "%s: tbl_A is NULL", __func__);
- ret = EINVAL;
- goto out;
- }
-
- for (i = 0; i < tbl_size_A; i++)
- writel_relaxed(tbl_A[i].cfg_value,
- ufs_qcom_phy->mmio + tbl_A[i].reg_offset);
-
- /*
- * In case we would like to work in rate B, we need
- * to override a registers that were configured in rate A table
- * with registers of rate B table.
- * table.
- */
- if (is_rate_B) {
- if (!tbl_B) {
- dev_err(ufs_qcom_phy->dev, "%s: tbl_B is NULL",
- __func__);
- ret = EINVAL;
- goto out;
- }
-
- for (i = 0; i < tbl_size_B; i++)
- writel_relaxed(tbl_B[i].cfg_value,
- ufs_qcom_phy->mmio + tbl_B[i].reg_offset);
- }
-
- /* flush buffered writes */
- mb();
-
-out:
- return ret;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate);
-
-/*
- * This assumes the embedded phy structure inside generic_phy is of type
- * struct ufs_qcom_phy. In order to function properly it's crucial
- * to keep the embedded struct "struct ufs_qcom_phy common_cfg"
- * as the first inside generic_phy.
- */
-struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy)
-{
- return (struct ufs_qcom_phy *)phy_get_drvdata(generic_phy);
-}
-EXPORT_SYMBOL_GPL(get_ufs_qcom_phy);
-
-static
-int ufs_qcom_phy_base_init(struct platform_device *pdev,
- struct ufs_qcom_phy *phy_common)
-{
- struct device *dev = &pdev->dev;
- struct resource *res;
- int err = 0;
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_mem");
- phy_common->mmio = devm_ioremap_resource(dev, res);
- if (IS_ERR((void const *)phy_common->mmio)) {
- err = PTR_ERR((void const *)phy_common->mmio);
- phy_common->mmio = NULL;
- dev_err(dev, "%s: ioremap for phy_mem resource failed %d\n",
- __func__, err);
- return err;
- }
-
- /* "dev_ref_clk_ctrl_mem" is optional resource */
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "dev_ref_clk_ctrl_mem");
- phy_common->dev_ref_clk_ctrl_mmio = devm_ioremap_resource(dev, res);
- if (IS_ERR((void const *)phy_common->dev_ref_clk_ctrl_mmio))
- phy_common->dev_ref_clk_ctrl_mmio = NULL;
-
- return 0;
-}
-
-struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
- struct ufs_qcom_phy *common_cfg,
- const struct phy_ops *ufs_qcom_phy_gen_ops,
- struct ufs_qcom_phy_specific_ops *phy_spec_ops)
-{
- int err;
- struct device *dev = &pdev->dev;
- struct phy *generic_phy = NULL;
- struct phy_provider *phy_provider;
-
- err = ufs_qcom_phy_base_init(pdev, common_cfg);
- if (err) {
- dev_err(dev, "%s: phy base init failed %d\n", __func__, err);
- goto out;
- }
-
- phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
- if (IS_ERR(phy_provider)) {
- err = PTR_ERR(phy_provider);
- dev_err(dev, "%s: failed to register phy %d\n", __func__, err);
- goto out;
- }
-
- generic_phy = devm_phy_create(dev, NULL, ufs_qcom_phy_gen_ops);
- if (IS_ERR(generic_phy)) {
- err = PTR_ERR(generic_phy);
- dev_err(dev, "%s: failed to create phy %d\n", __func__, err);
- generic_phy = NULL;
- goto out;
- }
-
- common_cfg->phy_spec_ops = phy_spec_ops;
- common_cfg->dev = dev;
-
-out:
- return generic_phy;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_generic_probe);
-
-static int ufs_qcom_phy_get_reset(struct ufs_qcom_phy *phy_common)
-{
- struct reset_control *reset;
-
- if (phy_common->ufs_reset)
- return 0;
-
- reset = devm_reset_control_get_exclusive_by_index(phy_common->dev, 0);
- if (IS_ERR(reset))
- return PTR_ERR(reset);
-
- phy_common->ufs_reset = reset;
- return 0;
-}
-
-static int __ufs_qcom_phy_clk_get(struct device *dev,
- const char *name, struct clk **clk_out, bool err_print)
-{
- struct clk *clk;
- int err = 0;
-
- clk = devm_clk_get(dev, name);
- if (IS_ERR(clk)) {
- err = PTR_ERR(clk);
- if (err_print)
- dev_err(dev, "failed to get %s err %d", name, err);
- } else {
- *clk_out = clk;
- }
-
- return err;
-}
-
-static int ufs_qcom_phy_clk_get(struct device *dev,
- const char *name, struct clk **clk_out)
-{
- return __ufs_qcom_phy_clk_get(dev, name, clk_out, true);
-}
-
-int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common)
-{
- int err;
-
- if (of_device_is_compatible(phy_common->dev->of_node,
- "qcom,msm8996-ufs-phy-qmp-14nm"))
- goto skip_txrx_clk;
-
- err = ufs_qcom_phy_clk_get(phy_common->dev, "tx_iface_clk",
- &phy_common->tx_iface_clk);
- if (err)
- goto out;
-
- err = ufs_qcom_phy_clk_get(phy_common->dev, "rx_iface_clk",
- &phy_common->rx_iface_clk);
- if (err)
- goto out;
-
-skip_txrx_clk:
- err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_src",
- &phy_common->ref_clk_src);
- if (err)
- goto out;
-
- /*
- * "ref_clk_parent" is optional hence don't abort init if it's not
- * found.
- */
- __ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_parent",
- &phy_common->ref_clk_parent, false);
-
- err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk",
- &phy_common->ref_clk);
-
-out:
- return err;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_clks);
-
-static int ufs_qcom_phy_init_vreg(struct device *dev,
- struct ufs_qcom_phy_vreg *vreg,
- const char *name)
-{
- int err = 0;
-
- char prop_name[MAX_PROP_NAME];
-
- vreg->name = name;
- vreg->reg = devm_regulator_get(dev, name);
- if (IS_ERR(vreg->reg)) {
- err = PTR_ERR(vreg->reg);
- dev_err(dev, "failed to get %s, %d\n", name, err);
- goto out;
- }
-
- if (dev->of_node) {
- snprintf(prop_name, MAX_PROP_NAME, "%s-max-microamp", name);
- err = of_property_read_u32(dev->of_node,
- prop_name, &vreg->max_uA);
- if (err && err != -EINVAL) {
- dev_err(dev, "%s: failed to read %s\n",
- __func__, prop_name);
- goto out;
- } else if (err == -EINVAL || !vreg->max_uA) {
- if (regulator_count_voltages(vreg->reg) > 0) {
- dev_err(dev, "%s: %s is mandatory\n",
- __func__, prop_name);
- goto out;
- }
- err = 0;
- }
- }
-
- if (!strcmp(name, "vdda-pll")) {
- vreg->max_uV = VDDA_PLL_MAX_UV;
- vreg->min_uV = VDDA_PLL_MIN_UV;
- } else if (!strcmp(name, "vdda-phy")) {
- vreg->max_uV = VDDA_PHY_MAX_UV;
- vreg->min_uV = VDDA_PHY_MIN_UV;
- } else if (!strcmp(name, "vddp-ref-clk")) {
- vreg->max_uV = VDDP_REF_CLK_MAX_UV;
- vreg->min_uV = VDDP_REF_CLK_MIN_UV;
- }
-
-out:
- return err;
-}
-
-int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common)
-{
- int err;
-
- err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_pll,
- "vdda-pll");
- if (err)
- goto out;
-
- err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_phy,
- "vdda-phy");
-
- if (err)
- goto out;
-
- err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vddp_ref_clk,
- "vddp-ref-clk");
-
-out:
- return err;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_vregulators);
-
-static int ufs_qcom_phy_cfg_vreg(struct device *dev,
- struct ufs_qcom_phy_vreg *vreg, bool on)
-{
- int ret = 0;
- struct regulator *reg = vreg->reg;
- const char *name = vreg->name;
- int min_uV;
- int uA_load;
-
- if (regulator_count_voltages(reg) > 0) {
- min_uV = on ? vreg->min_uV : 0;
- ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
- if (ret) {
- dev_err(dev, "%s: %s set voltage failed, err=%d\n",
- __func__, name, ret);
- goto out;
- }
- uA_load = on ? vreg->max_uA : 0;
- ret = regulator_set_load(reg, uA_load);
- if (ret >= 0) {
- /*
- * regulator_set_load() returns new regulator
- * mode upon success.
- */
- ret = 0;
- } else {
- dev_err(dev, "%s: %s set optimum mode(uA_load=%d) failed, err=%d\n",
- __func__, name, uA_load, ret);
- goto out;
- }
- }
-out:
- return ret;
-}
-
-static int ufs_qcom_phy_enable_vreg(struct device *dev,
- struct ufs_qcom_phy_vreg *vreg)
-{
- int ret = 0;
-
- if (!vreg || vreg->enabled)
- goto out;
-
- ret = ufs_qcom_phy_cfg_vreg(dev, vreg, true);
- if (ret) {
- dev_err(dev, "%s: ufs_qcom_phy_cfg_vreg() failed, err=%d\n",
- __func__, ret);
- goto out;
- }
-
- ret = regulator_enable(vreg->reg);
- if (ret) {
- dev_err(dev, "%s: enable failed, err=%d\n",
- __func__, ret);
- goto out;
- }
-
- vreg->enabled = true;
-out:
- return ret;
-}
-
-static int ufs_qcom_phy_enable_ref_clk(struct ufs_qcom_phy *phy)
-{
- int ret = 0;
-
- if (phy->is_ref_clk_enabled)
- goto out;
-
- /*
- * reference clock is propagated in a daisy-chained manner from
- * source to phy, so ungate them at each stage.
- */
- ret = clk_prepare_enable(phy->ref_clk_src);
- if (ret) {
- dev_err(phy->dev, "%s: ref_clk_src enable failed %d\n",
- __func__, ret);
- goto out;
- }
-
- /*
- * "ref_clk_parent" is optional clock hence make sure that clk reference
- * is available before trying to enable the clock.
- */
- if (phy->ref_clk_parent) {
- ret = clk_prepare_enable(phy->ref_clk_parent);
- if (ret) {
- dev_err(phy->dev, "%s: ref_clk_parent enable failed %d\n",
- __func__, ret);
- goto out_disable_src;
- }
- }
-
- ret = clk_prepare_enable(phy->ref_clk);
- if (ret) {
- dev_err(phy->dev, "%s: ref_clk enable failed %d\n",
- __func__, ret);
- goto out_disable_parent;
- }
-
- phy->is_ref_clk_enabled = true;
- goto out;
-
-out_disable_parent:
- if (phy->ref_clk_parent)
- clk_disable_unprepare(phy->ref_clk_parent);
-out_disable_src:
- clk_disable_unprepare(phy->ref_clk_src);
-out:
- return ret;
-}
-
-static int ufs_qcom_phy_disable_vreg(struct device *dev,
- struct ufs_qcom_phy_vreg *vreg)
-{
- int ret = 0;
-
- if (!vreg || !vreg->enabled)
- goto out;
-
- ret = regulator_disable(vreg->reg);
-
- if (!ret) {
- /* ignore errors on applying disable config */
- ufs_qcom_phy_cfg_vreg(dev, vreg, false);
- vreg->enabled = false;
- } else {
- dev_err(dev, "%s: %s disable failed, err=%d\n",
- __func__, vreg->name, ret);
- }
-out:
- return ret;
-}
-
-static void ufs_qcom_phy_disable_ref_clk(struct ufs_qcom_phy *phy)
-{
- if (phy->is_ref_clk_enabled) {
- clk_disable_unprepare(phy->ref_clk);
- /*
- * "ref_clk_parent" is optional clock hence make sure that clk
- * reference is available before trying to disable the clock.
- */
- if (phy->ref_clk_parent)
- clk_disable_unprepare(phy->ref_clk_parent);
- clk_disable_unprepare(phy->ref_clk_src);
- phy->is_ref_clk_enabled = false;
- }
-}
-
-/* Turn ON M-PHY RMMI interface clocks */
-static int ufs_qcom_phy_enable_iface_clk(struct ufs_qcom_phy *phy)
-{
- int ret = 0;
-
- if (phy->is_iface_clk_enabled)
- goto out;
-
- ret = clk_prepare_enable(phy->tx_iface_clk);
- if (ret) {
- dev_err(phy->dev, "%s: tx_iface_clk enable failed %d\n",
- __func__, ret);
- goto out;
- }
- ret = clk_prepare_enable(phy->rx_iface_clk);
- if (ret) {
- clk_disable_unprepare(phy->tx_iface_clk);
- dev_err(phy->dev, "%s: rx_iface_clk enable failed %d. disabling also tx_iface_clk\n",
- __func__, ret);
- goto out;
- }
- phy->is_iface_clk_enabled = true;
-
-out:
- return ret;
-}
-
-/* Turn OFF M-PHY RMMI interface clocks */
-static void ufs_qcom_phy_disable_iface_clk(struct ufs_qcom_phy *phy)
-{
- if (phy->is_iface_clk_enabled) {
- clk_disable_unprepare(phy->tx_iface_clk);
- clk_disable_unprepare(phy->rx_iface_clk);
- phy->is_iface_clk_enabled = false;
- }
-}
-
-static int ufs_qcom_phy_start_serdes(struct ufs_qcom_phy *ufs_qcom_phy)
-{
- int ret = 0;
-
- if (!ufs_qcom_phy->phy_spec_ops->start_serdes) {
- dev_err(ufs_qcom_phy->dev, "%s: start_serdes() callback is not supported\n",
- __func__);
- ret = -ENOTSUPP;
- } else {
- ufs_qcom_phy->phy_spec_ops->start_serdes(ufs_qcom_phy);
- }
-
- return ret;
-}
-
-int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes)
-{
- struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(generic_phy);
- int ret = 0;
-
- if (!ufs_qcom_phy->phy_spec_ops->set_tx_lane_enable) {
- dev_err(ufs_qcom_phy->dev, "%s: set_tx_lane_enable() callback is not supported\n",
- __func__);
- ret = -ENOTSUPP;
- } else {
- ufs_qcom_phy->phy_spec_ops->set_tx_lane_enable(ufs_qcom_phy,
- tx_lanes);
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_set_tx_lane_enable);
-
-void ufs_qcom_phy_save_controller_version(struct phy *generic_phy,
- u8 major, u16 minor, u16 step)
-{
- struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(generic_phy);
-
- ufs_qcom_phy->host_ctrl_rev_major = major;
- ufs_qcom_phy->host_ctrl_rev_minor = minor;
- ufs_qcom_phy->host_ctrl_rev_step = step;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_save_controller_version);
-
-static int ufs_qcom_phy_is_pcs_ready(struct ufs_qcom_phy *ufs_qcom_phy)
-{
- if (!ufs_qcom_phy->phy_spec_ops->is_physical_coding_sublayer_ready) {
- dev_err(ufs_qcom_phy->dev, "%s: is_physical_coding_sublayer_ready() callback is not supported\n",
- __func__);
- return -ENOTSUPP;
- }
-
- return ufs_qcom_phy->phy_spec_ops->
- is_physical_coding_sublayer_ready(ufs_qcom_phy);
-}
-
-int ufs_qcom_phy_power_on(struct phy *generic_phy)
-{
- struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
- struct device *dev = phy_common->dev;
- bool is_rate_B = false;
- int err;
-
- err = ufs_qcom_phy_get_reset(phy_common);
- if (err)
- return err;
-
- err = reset_control_assert(phy_common->ufs_reset);
- if (err)
- return err;
-
- if (phy_common->mode == PHY_MODE_UFS_HS_B)
- is_rate_B = true;
-
- err = phy_common->phy_spec_ops->calibrate(phy_common, is_rate_B);
- if (err)
- return err;
-
- err = reset_control_deassert(phy_common->ufs_reset);
- if (err) {
- dev_err(dev, "Failed to assert UFS PHY reset");
- return err;
- }
-
- err = ufs_qcom_phy_start_serdes(phy_common);
- if (err)
- return err;
-
- err = ufs_qcom_phy_is_pcs_ready(phy_common);
- if (err)
- return err;
-
- err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_phy);
- if (err) {
- dev_err(dev, "%s enable vdda_phy failed, err=%d\n",
- __func__, err);
- goto out;
- }
-
- phy_common->phy_spec_ops->power_control(phy_common, true);
-
- /* vdda_pll also enables ref clock LDOs so enable it first */
- err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_pll);
- if (err) {
- dev_err(dev, "%s enable vdda_pll failed, err=%d\n",
- __func__, err);
- goto out_disable_phy;
- }
-
- err = ufs_qcom_phy_enable_iface_clk(phy_common);
- if (err) {
- dev_err(dev, "%s enable phy iface clock failed, err=%d\n",
- __func__, err);
- goto out_disable_pll;
- }
-
- err = ufs_qcom_phy_enable_ref_clk(phy_common);
- if (err) {
- dev_err(dev, "%s enable phy ref clock failed, err=%d\n",
- __func__, err);
- goto out_disable_iface_clk;
- }
-
- /* enable device PHY ref_clk pad rail */
- if (phy_common->vddp_ref_clk.reg) {
- err = ufs_qcom_phy_enable_vreg(dev,
- &phy_common->vddp_ref_clk);
- if (err) {
- dev_err(dev, "%s enable vddp_ref_clk failed, err=%d\n",
- __func__, err);
- goto out_disable_ref_clk;
- }
- }
-
- goto out;
-
-out_disable_ref_clk:
- ufs_qcom_phy_disable_ref_clk(phy_common);
-out_disable_iface_clk:
- ufs_qcom_phy_disable_iface_clk(phy_common);
-out_disable_pll:
- ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_pll);
-out_disable_phy:
- ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_phy);
-out:
- return err;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_on);
-
-int ufs_qcom_phy_power_off(struct phy *generic_phy)
-{
- struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-
- phy_common->phy_spec_ops->power_control(phy_common, false);
-
- if (phy_common->vddp_ref_clk.reg)
- ufs_qcom_phy_disable_vreg(phy_common->dev,
- &phy_common->vddp_ref_clk);
- ufs_qcom_phy_disable_ref_clk(phy_common);
- ufs_qcom_phy_disable_iface_clk(phy_common);
-
- ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_pll);
- ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_phy);
- reset_control_assert(phy_common->ufs_reset);
- return 0;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off);
-
-MODULE_AUTHOR("Yaniv Gardi <ygardi@codeaurora.org>");
-MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
-MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index bfb22f868857..e34e4475027c 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -111,6 +111,7 @@ struct rcar_gen3_chan {
struct work_struct work;
struct mutex lock; /* protects rphys[...].powered */
enum usb_dr_mode dr_mode;
+ int irq;
bool extcon_host;
bool is_otg_channel;
bool uses_otg_pins;
@@ -389,12 +390,40 @@ static void rcar_gen3_init_otg(struct rcar_gen3_chan *ch)
rcar_gen3_device_recognition(ch);
}
+static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
+{
+ struct rcar_gen3_chan *ch = _ch;
+ void __iomem *usb2_base = ch->base;
+ u32 status = readl(usb2_base + USB2_OBINTSTA);
+ irqreturn_t ret = IRQ_NONE;
+
+ if (status & USB2_OBINT_BITS) {
+ dev_vdbg(ch->dev, "%s: %08x\n", __func__, status);
+ writel(USB2_OBINT_BITS, usb2_base + USB2_OBINTSTA);
+ rcar_gen3_device_recognition(ch);
+ ret = IRQ_HANDLED;
+ }
+
+ return ret;
+}
+
static int rcar_gen3_phy_usb2_init(struct phy *p)
{
struct rcar_gen3_phy *rphy = phy_get_drvdata(p);
struct rcar_gen3_chan *channel = rphy->ch;
void __iomem *usb2_base = channel->base;
u32 val;
+ int ret;
+
+ if (!rcar_gen3_is_any_rphy_initialized(channel) && channel->irq >= 0) {
+ INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
+ ret = request_irq(channel->irq, rcar_gen3_phy_usb2_irq,
+ IRQF_SHARED, dev_name(channel->dev), channel);
+ if (ret < 0) {
+ dev_err(channel->dev, "No irq handler (%d)\n", channel->irq);
+ return ret;
+ }
+ }
/* Initialize USB2 part */
val = readl(usb2_base + USB2_INT_ENABLE);
@@ -433,6 +462,9 @@ static int rcar_gen3_phy_usb2_exit(struct phy *p)
val &= ~USB2_INT_ENABLE_UCOM_INTEN;
writel(val, usb2_base + USB2_INT_ENABLE);
+ if (channel->irq >= 0 && !rcar_gen3_is_any_rphy_initialized(channel))
+ free_irq(channel->irq, channel);
+
return 0;
}
@@ -503,23 +535,6 @@ static const struct phy_ops rz_g1c_phy_usb2_ops = {
.owner = THIS_MODULE,
};
-static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
-{
- struct rcar_gen3_chan *ch = _ch;
- void __iomem *usb2_base = ch->base;
- u32 status = readl(usb2_base + USB2_OBINTSTA);
- irqreturn_t ret = IRQ_NONE;
-
- if (status & USB2_OBINT_BITS) {
- dev_vdbg(ch->dev, "%s: %08x\n", __func__, status);
- writel(USB2_OBINT_BITS, usb2_base + USB2_OBINTSTA);
- rcar_gen3_device_recognition(ch);
- ret = IRQ_HANDLED;
- }
-
- return ret;
-}
-
static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = {
{
.compatible = "renesas,usb2-phy-r8a77470",
@@ -598,7 +613,7 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
struct phy_provider *provider;
struct resource *res;
const struct phy_ops *phy_usb2_ops;
- int irq, ret = 0, i;
+ int ret = 0, i;
if (!dev->of_node) {
dev_err(dev, "This driver needs device tree\n");
@@ -614,16 +629,8 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
if (IS_ERR(channel->base))
return PTR_ERR(channel->base);
- /* call request_irq for OTG */
- irq = platform_get_irq_optional(pdev, 0);
- if (irq >= 0) {
- INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
- irq = devm_request_irq(dev, irq, rcar_gen3_phy_usb2_irq,
- IRQF_SHARED, dev_name(dev), channel);
- if (irq < 0)
- dev_err(dev, "No irq handler (%d)\n", irq);
- }
-
+ /* get irq number here and request_irq for OTG in phy_init */
+ channel->irq = platform_get_irq_optional(pdev, 0);
channel->dr_mode = rcar_gen3_get_dr_mode(dev->of_node);
if (channel->dr_mode != USB_DR_MODE_UNKNOWN) {
int ret;
diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c
index 24563160197f..70a31251b202 100644
--- a/drivers/phy/rockchip/phy-rockchip-typec.c
+++ b/drivers/phy/rockchip/phy-rockchip-typec.c
@@ -347,7 +347,7 @@ struct usb3phy_reg {
};
/**
- * struct rockchip_usb3phy_port_cfg: usb3-phy port configuration.
+ * struct rockchip_usb3phy_port_cfg - usb3-phy port configuration.
* @reg: the base address for usb3-phy config.
* @typec_conn_dir: the register of type-c connector direction.
* @usb3tousb2_en: the register of type-c force usb2 to usb2 enable.
diff --git a/drivers/phy/samsung/Kconfig b/drivers/phy/samsung/Kconfig
index 9e483d1fdaf2..e20d2fcc9fe7 100644
--- a/drivers/phy/samsung/Kconfig
+++ b/drivers/phy/samsung/Kconfig
@@ -3,23 +3,23 @@
# Phy drivers for Samsung platforms
#
config PHY_EXYNOS_DP_VIDEO
- tristate "EXYNOS SoC series Display Port PHY driver"
+ tristate "Exynos SoC series Display Port PHY driver"
depends on OF
depends on ARCH_EXYNOS || COMPILE_TEST
default ARCH_EXYNOS
select GENERIC_PHY
help
- Support for Display Port PHY found on Samsung EXYNOS SoCs.
+ Support for Display Port PHY found on Samsung Exynos SoCs.
config PHY_EXYNOS_MIPI_VIDEO
- tristate "S5P/EXYNOS SoC series MIPI CSI-2/DSI PHY driver"
+ tristate "S5P/Exynos SoC series MIPI CSI-2/DSI PHY driver"
depends on HAS_IOMEM
depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
select GENERIC_PHY
default y if ARCH_S5PV210 || ARCH_EXYNOS
help
Support for MIPI CSI-2 and MIPI DSI DPHY found on Samsung S5P
- and EXYNOS SoCs.
+ and Exynos SoCs.
config PHY_EXYNOS_PCIE
bool "Exynos PCIe PHY driver"
@@ -29,6 +29,15 @@ config PHY_EXYNOS_PCIE
Enable PCIe PHY support for Exynos SoC series.
This driver provides PHY interface for Exynos PCIe controller.
+config PHY_SAMSUNG_UFS
+ tristate "SAMSUNG SoC series UFS PHY driver"
+ depends on OF && (ARCH_EXYNOS || COMPILE_TEST)
+ select GENERIC_PHY
+ help
+ Enable this to support the Samsung UFS PHY driver for
+ Samsung SoCs. This driver provides the interface for UFS
+ host controller to do PHY related programming.
+
config PHY_SAMSUNG_USB2
tristate "Samsung USB 2.0 PHY driver"
depends on HAS_IOMEM
diff --git a/drivers/phy/samsung/Makefile b/drivers/phy/samsung/Makefile
index db9b1aa0de6e..3959100fe8a2 100644
--- a/drivers/phy/samsung/Makefile
+++ b/drivers/phy/samsung/Makefile
@@ -2,6 +2,7 @@
obj-$(CONFIG_PHY_EXYNOS_DP_VIDEO) += phy-exynos-dp-video.o
obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO) += phy-exynos-mipi-video.o
obj-$(CONFIG_PHY_EXYNOS_PCIE) += phy-exynos-pcie.o
+obj-$(CONFIG_PHY_SAMSUNG_UFS) += phy-samsung-ufs.o
obj-$(CONFIG_PHY_SAMSUNG_USB2) += phy-exynos-usb2.o
phy-exynos-usb2-y += phy-samsung-usb2.o
phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4210_USB2) += phy-exynos4210-usb2.o
diff --git a/drivers/phy/samsung/phy-exynos-dp-video.c b/drivers/phy/samsung/phy-exynos-dp-video.c
index 6c607df1dc9a..2b670ef91deb 100644
--- a/drivers/phy/samsung/phy-exynos-dp-video.c
+++ b/drivers/phy/samsung/phy-exynos-dp-video.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Samsung EXYNOS SoC series Display Port PHY driver
+ * Samsung Exynos SoC series Display Port PHY driver
*
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
* Author: Jingoo Han <jg1.han@samsung.com>
@@ -115,5 +115,5 @@ static struct platform_driver exynos_dp_video_phy_driver = {
module_platform_driver(exynos_dp_video_phy_driver);
MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
-MODULE_DESCRIPTION("Samsung EXYNOS SoC DP PHY driver");
+MODULE_DESCRIPTION("Samsung Exynos SoC DP PHY driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/samsung/phy-exynos-mipi-video.c b/drivers/phy/samsung/phy-exynos-mipi-video.c
index bb51195f189f..c1df1ef3ee3c 100644
--- a/drivers/phy/samsung/phy-exynos-mipi-video.c
+++ b/drivers/phy/samsung/phy-exynos-mipi-video.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY driver
+ * Samsung S5P/Exynos SoC series MIPI CSIS/DSIM DPHY driver
*
* Copyright (C) 2013,2016 Samsung Electronics Co., Ltd.
* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
@@ -364,6 +364,6 @@ static struct platform_driver exynos_mipi_video_phy_driver = {
};
module_platform_driver(exynos_mipi_video_phy_driver);
-MODULE_DESCRIPTION("Samsung S5P/EXYNOS SoC MIPI CSI-2/DSI PHY driver");
+MODULE_DESCRIPTION("Samsung S5P/Exynos SoC MIPI CSI-2/DSI PHY driver");
MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/samsung/phy-exynos-pcie.c b/drivers/phy/samsung/phy-exynos-pcie.c
index 659e7ae0a6cf..7e28b1aea0d1 100644
--- a/drivers/phy/samsung/phy-exynos-pcie.c
+++ b/drivers/phy/samsung/phy-exynos-pcie.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Samsung EXYNOS SoC series PCIe PHY driver
+ * Samsung Exynos SoC series PCIe PHY driver
*
* Phy provider for PCIe controller on Exynos SoC series
*
diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c
index e510732afb8b..0d818b77a0d8 100644
--- a/drivers/phy/samsung/phy-exynos5-usbdrd.c
+++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Samsung EXYNOS5 SoC series USB DRD PHY driver
+ * Samsung Exynos5 SoC series USB DRD PHY driver
*
* Phy provider for USB 3.0 DRD controller on Exynos5 SoC series
*
@@ -33,7 +33,7 @@
#define EXYNOS5_FSEL_24MHZ 0x5
#define EXYNOS5_FSEL_50MHZ 0x7
-/* EXYNOS5: USB 3.0 DRD PHY registers */
+/* Exynos5: USB 3.0 DRD PHY registers */
#define EXYNOS5_DRD_LINKSYSTEM 0x04
#define LINKSYSTEM_FLADJ_MASK (0x3f << 1)
@@ -180,14 +180,14 @@ struct exynos5_usbdrd_phy_drvdata {
* @utmiclk: clock for utmi+ phy
* @itpclk: clock for ITP generation
* @drv_data: pointer to SoC level driver data structure
- * @phys[]: array for 'EXYNOS5_DRDPHYS_NUM' number of PHY
+ * @phys: array for 'EXYNOS5_DRDPHYS_NUM' number of PHY
* instances each with its 'phy' and 'phy_cfg'.
* @extrefclk: frequency select settings when using 'separate
* reference clocks' for SS and HS operations
* @ref_clk: reference clock to PHY block from which PHY's
* operational clocks are derived
- * vbus: VBUS regulator for phy
- * vbus_boost: Boost regulator for VBUS present on few Exynos boards
+ * @vbus: VBUS regulator for phy
+ * @vbus_boost: Boost regulator for VBUS present on few Exynos boards
*/
struct exynos5_usbdrd_phy {
struct device *dev;
@@ -714,7 +714,9 @@ static int exynos5_usbdrd_phy_calibrate(struct phy *phy)
struct phy_usb_instance *inst = phy_get_drvdata(phy);
struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
- return exynos5420_usbdrd_phy_calibrate(phy_drd);
+ if (inst->phy_cfg->id == EXYNOS5_DRDPHY_UTMI)
+ return exynos5420_usbdrd_phy_calibrate(phy_drd);
+ return 0;
}
static const struct phy_ops exynos5_usbdrd_phy_ops = {
@@ -958,7 +960,7 @@ static struct platform_driver exynos5_usb3drd_phy = {
};
module_platform_driver(exynos5_usb3drd_phy);
-MODULE_DESCRIPTION("Samsung EXYNOS5 SoCs USB 3.0 DRD controller PHY driver");
+MODULE_DESCRIPTION("Samsung Exynos5 SoCs USB 3.0 DRD controller PHY driver");
MODULE_AUTHOR("Vivek Gautam <gautam.vivek@samsung.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:exynos5_usb3drd_phy");
diff --git a/drivers/phy/samsung/phy-exynos7-ufs.h b/drivers/phy/samsung/phy-exynos7-ufs.h
new file mode 100644
index 000000000000..518923141958
--- /dev/null
+++ b/drivers/phy/samsung/phy-exynos7-ufs.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * UFS PHY driver data for Samsung EXYNOS7 SoC
+ *
+ * Copyright (C) 2020 Samsung Electronics Co., Ltd.
+ */
+#ifndef _PHY_EXYNOS7_UFS_H_
+#define _PHY_EXYNOS7_UFS_H_
+
+#include "phy-samsung-ufs.h"
+
+#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL 0x720
+#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1
+#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0)
+
+/* Calibration for phy initialization */
+static const struct samsung_ufs_phy_cfg exynos7_pre_init_cfg[] = {
+ PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY),
+ PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_ANY),
+ PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_ANY),
+ PHY_COMN_REG_CFG(0x017, 0x84, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x035, 0x58, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x037, 0x40, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x03b, 0x83, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x04c, 0x5b, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG(0x05c, 0x14, PWR_MODE_ANY),
+ END_UFS_PHY_CFG
+};
+
+/* Calibration for HS mode series A/B */
+static const struct samsung_ufs_phy_cfg exynos7_pre_pwr_hs_cfg[] = {
+ PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_HS_ANY),
+ PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_HS_ANY),
+ PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_HS_ANY),
+ /* Setting order: 1st(0x16, 2nd(0x15) */
+ PHY_COMN_REG_CFG(0x016, 0xff, PWR_MODE_HS_ANY),
+ PHY_COMN_REG_CFG(0x015, 0x80, PWR_MODE_HS_ANY),
+ PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG(0x037, 0x43, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG(0x038, 0x3f, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_HS_G2_SER_A),
+ PHY_TRSV_REG_CFG(0x042, 0xbb, PWR_MODE_HS_G2_SER_B),
+ PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG(0x034, 0x35, PWR_MODE_HS_G2_SER_A),
+ PHY_TRSV_REG_CFG(0x034, 0x36, PWR_MODE_HS_G2_SER_B),
+ PHY_TRSV_REG_CFG(0x035, 0x5b, PWR_MODE_HS_G2_SER_A),
+ PHY_TRSV_REG_CFG(0x035, 0x5c, PWR_MODE_HS_G2_SER_B),
+ END_UFS_PHY_CFG
+};
+
+/* Calibration for HS mode series A/B atfer PMC */
+static const struct samsung_ufs_phy_cfg exynos7_post_pwr_hs_cfg[] = {
+ PHY_COMN_REG_CFG(0x015, 0x00, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_HS_ANY),
+ END_UFS_PHY_CFG
+};
+
+static const struct samsung_ufs_phy_cfg *exynos7_ufs_phy_cfgs[CFG_TAG_MAX] = {
+ [CFG_PRE_INIT] = exynos7_pre_init_cfg,
+ [CFG_PRE_PWR_HS] = exynos7_pre_pwr_hs_cfg,
+ [CFG_POST_PWR_HS] = exynos7_post_pwr_hs_cfg,
+};
+
+static struct samsung_ufs_phy_drvdata exynos7_ufs_phy = {
+ .cfg = exynos7_ufs_phy_cfgs,
+ .isol = {
+ .offset = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL,
+ .mask = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK,
+ .en = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN,
+ },
+ .has_symbol_clk = 1,
+};
+
+#endif /* _PHY_EXYNOS7_UFS_H_ */
diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c
new file mode 100644
index 000000000000..9832599a0283
--- /dev/null
+++ b/drivers/phy/samsung/phy-samsung-ufs.c
@@ -0,0 +1,366 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * UFS PHY driver for Samsung SoC
+ *
+ * Copyright (C) 2020 Samsung Electronics Co., Ltd.
+ * Author: Seungwon Jeon <essuuj@gmail.com>
+ * Author: Alim Akhtar <alim.akhtar@samsung.com>
+ *
+ */
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include "phy-samsung-ufs.h"
+
+#define for_each_phy_lane(phy, i) \
+ for (i = 0; i < (phy)->lane_cnt; i++)
+#define for_each_phy_cfg(cfg) \
+ for (; (cfg)->id; (cfg)++)
+
+#define PHY_DEF_LANE_CNT 1
+
+static void samsung_ufs_phy_config(struct samsung_ufs_phy *phy,
+ const struct samsung_ufs_phy_cfg *cfg,
+ u8 lane)
+{
+ enum {LANE_0, LANE_1}; /* lane index */
+
+ switch (lane) {
+ case LANE_0:
+ writel(cfg->val, (phy)->reg_pma + cfg->off_0);
+ break;
+ case LANE_1:
+ if (cfg->id == PHY_TRSV_BLK)
+ writel(cfg->val, (phy)->reg_pma + cfg->off_1);
+ break;
+ }
+}
+
+static int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy)
+{
+ struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy);
+ const unsigned int timeout_us = 100000;
+ const unsigned int sleep_us = 10;
+ u32 val;
+ int err;
+
+ err = readl_poll_timeout(
+ ufs_phy->reg_pma + PHY_APB_ADDR(PHY_PLL_LOCK_STATUS),
+ val, (val & PHY_PLL_LOCK_BIT), sleep_us, timeout_us);
+ if (err) {
+ dev_err(ufs_phy->dev,
+ "failed to get phy pll lock acquisition %d\n", err);
+ goto out;
+ }
+
+ err = readl_poll_timeout(
+ ufs_phy->reg_pma + PHY_APB_ADDR(PHY_CDR_LOCK_STATUS),
+ val, (val & PHY_CDR_LOCK_BIT), sleep_us, timeout_us);
+ if (err)
+ dev_err(ufs_phy->dev,
+ "failed to get phy cdr lock acquisition %d\n", err);
+out:
+ return err;
+}
+
+static int samsung_ufs_phy_calibrate(struct phy *phy)
+{
+ struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy);
+ struct samsung_ufs_phy_cfg **cfgs = ufs_phy->cfg;
+ const struct samsung_ufs_phy_cfg *cfg;
+ int err = 0;
+ int i;
+
+ if (unlikely(ufs_phy->ufs_phy_state < CFG_PRE_INIT ||
+ ufs_phy->ufs_phy_state >= CFG_TAG_MAX)) {
+ dev_err(ufs_phy->dev, "invalid phy config index %d\n", ufs_phy->ufs_phy_state);
+ return -EINVAL;
+ }
+
+ cfg = cfgs[ufs_phy->ufs_phy_state];
+ if (!cfg)
+ goto out;
+
+ for_each_phy_cfg(cfg) {
+ for_each_phy_lane(ufs_phy, i) {
+ samsung_ufs_phy_config(ufs_phy, cfg, i);
+ }
+ }
+
+ if (ufs_phy->ufs_phy_state == CFG_POST_PWR_HS)
+ err = samsung_ufs_phy_wait_for_lock_acq(phy);
+
+ /**
+ * In Samsung ufshci, PHY need to be calibrated at different
+ * stages / state mainly before Linkstartup, after Linkstartup,
+ * before power mode change and after power mode change.
+ * Below state machine to make sure to calibrate PHY in each
+ * state. Here after configuring PHY in a given state, will
+ * change the state to next state so that next state phy
+ * calibration value can be programed
+ */
+out:
+ switch (ufs_phy->ufs_phy_state) {
+ case CFG_PRE_INIT:
+ ufs_phy->ufs_phy_state = CFG_POST_INIT;
+ break;
+ case CFG_POST_INIT:
+ ufs_phy->ufs_phy_state = CFG_PRE_PWR_HS;
+ break;
+ case CFG_PRE_PWR_HS:
+ ufs_phy->ufs_phy_state = CFG_POST_PWR_HS;
+ break;
+ case CFG_POST_PWR_HS:
+ /* Change back to INIT state */
+ ufs_phy->ufs_phy_state = CFG_PRE_INIT;
+ break;
+ default:
+ dev_err(ufs_phy->dev, "wrong state for phy calibration\n");
+ }
+
+ return err;
+}
+
+static int samsung_ufs_phy_symbol_clk_init(struct samsung_ufs_phy *phy)
+{
+ int ret;
+
+ phy->tx0_symbol_clk = devm_clk_get(phy->dev, "tx0_symbol_clk");
+ if (IS_ERR(phy->tx0_symbol_clk)) {
+ dev_err(phy->dev, "failed to get tx0_symbol_clk clock\n");
+ return PTR_ERR(phy->tx0_symbol_clk);
+ }
+
+ phy->rx0_symbol_clk = devm_clk_get(phy->dev, "rx0_symbol_clk");
+ if (IS_ERR(phy->rx0_symbol_clk)) {
+ dev_err(phy->dev, "failed to get rx0_symbol_clk clock\n");
+ return PTR_ERR(phy->rx0_symbol_clk);
+ }
+
+ phy->rx1_symbol_clk = devm_clk_get(phy->dev, "rx1_symbol_clk");
+ if (IS_ERR(phy->rx1_symbol_clk)) {
+ dev_err(phy->dev, "failed to get rx1_symbol_clk clock\n");
+ return PTR_ERR(phy->rx1_symbol_clk);
+ }
+
+ ret = clk_prepare_enable(phy->tx0_symbol_clk);
+ if (ret) {
+ dev_err(phy->dev, "%s: tx0_symbol_clk enable failed %d\n", __func__, ret);
+ goto out;
+ }
+
+ ret = clk_prepare_enable(phy->rx0_symbol_clk);
+ if (ret) {
+ dev_err(phy->dev, "%s: rx0_symbol_clk enable failed %d\n", __func__, ret);
+ goto out_disable_tx0_clk;
+ }
+
+ ret = clk_prepare_enable(phy->rx1_symbol_clk);
+ if (ret) {
+ dev_err(phy->dev, "%s: rx1_symbol_clk enable failed %d\n", __func__, ret);
+ goto out_disable_rx0_clk;
+ }
+
+ return 0;
+
+out_disable_rx0_clk:
+ clk_disable_unprepare(phy->rx0_symbol_clk);
+out_disable_tx0_clk:
+ clk_disable_unprepare(phy->tx0_symbol_clk);
+out:
+ return ret;
+}
+
+static int samsung_ufs_phy_clks_init(struct samsung_ufs_phy *phy)
+{
+ int ret;
+
+ phy->ref_clk = devm_clk_get(phy->dev, "ref_clk");
+ if (IS_ERR(phy->ref_clk))
+ dev_err(phy->dev, "failed to get ref_clk clock\n");
+
+ ret = clk_prepare_enable(phy->ref_clk);
+ if (ret) {
+ dev_err(phy->dev, "%s: ref_clk enable failed %d\n", __func__, ret);
+ return ret;
+ }
+
+ dev_dbg(phy->dev, "UFS MPHY ref_clk_rate = %ld\n", clk_get_rate(phy->ref_clk));
+
+ return 0;
+}
+
+static int samsung_ufs_phy_init(struct phy *phy)
+{
+ struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+ int ret;
+
+ ss_phy->lane_cnt = phy->attrs.bus_width;
+ ss_phy->ufs_phy_state = CFG_PRE_INIT;
+
+ if (ss_phy->drvdata->has_symbol_clk) {
+ ret = samsung_ufs_phy_symbol_clk_init(ss_phy);
+ if (ret)
+ dev_err(ss_phy->dev, "failed to set ufs phy symbol clocks\n");
+ }
+
+ ret = samsung_ufs_phy_clks_init(ss_phy);
+ if (ret)
+ dev_err(ss_phy->dev, "failed to set ufs phy clocks\n");
+
+ ret = samsung_ufs_phy_calibrate(phy);
+ if (ret)
+ dev_err(ss_phy->dev, "ufs phy calibration failed\n");
+
+ return ret;
+}
+
+static int samsung_ufs_phy_power_on(struct phy *phy)
+{
+ struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+
+ samsung_ufs_phy_ctrl_isol(ss_phy, false);
+ return 0;
+}
+
+static int samsung_ufs_phy_power_off(struct phy *phy)
+{
+ struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+
+ samsung_ufs_phy_ctrl_isol(ss_phy, true);
+ return 0;
+}
+
+static int samsung_ufs_phy_set_mode(struct phy *generic_phy,
+ enum phy_mode mode, int submode)
+{
+ struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(generic_phy);
+
+ ss_phy->mode = PHY_MODE_INVALID;
+
+ if (mode > 0)
+ ss_phy->mode = mode;
+
+ return 0;
+}
+
+static int samsung_ufs_phy_exit(struct phy *phy)
+{
+ struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+
+ clk_disable_unprepare(ss_phy->ref_clk);
+
+ if (ss_phy->drvdata->has_symbol_clk) {
+ clk_disable_unprepare(ss_phy->tx0_symbol_clk);
+ clk_disable_unprepare(ss_phy->rx0_symbol_clk);
+ clk_disable_unprepare(ss_phy->rx1_symbol_clk);
+ }
+
+ return 0;
+}
+
+static struct phy_ops samsung_ufs_phy_ops = {
+ .init = samsung_ufs_phy_init,
+ .exit = samsung_ufs_phy_exit,
+ .power_on = samsung_ufs_phy_power_on,
+ .power_off = samsung_ufs_phy_power_off,
+ .calibrate = samsung_ufs_phy_calibrate,
+ .set_mode = samsung_ufs_phy_set_mode,
+ .owner = THIS_MODULE,
+};
+
+static const struct of_device_id samsung_ufs_phy_match[];
+
+static int samsung_ufs_phy_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ const struct of_device_id *match;
+ struct samsung_ufs_phy *phy;
+ struct phy *gen_phy;
+ struct phy_provider *phy_provider;
+ const struct samsung_ufs_phy_drvdata *drvdata;
+ int err = 0;
+
+ match = of_match_node(samsung_ufs_phy_match, dev->of_node);
+ if (!match) {
+ err = -EINVAL;
+ dev_err(dev, "failed to get match_node\n");
+ goto out;
+ }
+
+ phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
+ if (!phy) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ phy->reg_pma = devm_platform_ioremap_resource_byname(pdev, "phy-pma");
+ if (IS_ERR(phy->reg_pma)) {
+ err = PTR_ERR(phy->reg_pma);
+ goto out;
+ }
+
+ phy->reg_pmu = syscon_regmap_lookup_by_phandle(
+ dev->of_node, "samsung,pmu-syscon");
+ if (IS_ERR(phy->reg_pmu)) {
+ err = PTR_ERR(phy->reg_pmu);
+ dev_err(dev, "failed syscon remap for pmu\n");
+ goto out;
+ }
+
+ gen_phy = devm_phy_create(dev, NULL, &samsung_ufs_phy_ops);
+ if (IS_ERR(gen_phy)) {
+ err = PTR_ERR(gen_phy);
+ dev_err(dev, "failed to create PHY for ufs-phy\n");
+ goto out;
+ }
+
+ drvdata = match->data;
+ phy->dev = dev;
+ phy->drvdata = drvdata;
+ phy->cfg = (struct samsung_ufs_phy_cfg **)drvdata->cfg;
+ phy->isol = &drvdata->isol;
+ phy->lane_cnt = PHY_DEF_LANE_CNT;
+
+ phy_set_drvdata(gen_phy, phy);
+
+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
+ if (IS_ERR(phy_provider)) {
+ err = PTR_ERR(phy_provider);
+ dev_err(dev, "failed to register phy-provider\n");
+ goto out;
+ }
+out:
+ return err;
+}
+
+static const struct of_device_id samsung_ufs_phy_match[] = {
+ {
+ .compatible = "samsung,exynos7-ufs-phy",
+ .data = &exynos7_ufs_phy,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, samsung_ufs_phy_match);
+
+static struct platform_driver samsung_ufs_phy_driver = {
+ .probe = samsung_ufs_phy_probe,
+ .driver = {
+ .name = "samsung-ufs-phy",
+ .of_match_table = samsung_ufs_phy_match,
+ },
+};
+module_platform_driver(samsung_ufs_phy_driver);
+MODULE_DESCRIPTION("Samsung SoC UFS PHY Driver");
+MODULE_AUTHOR("Seungwon Jeon <essuuj@gmail.com>");
+MODULE_AUTHOR("Alim Akhtar <alim.akhtar@samsung.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/samsung/phy-samsung-ufs.h b/drivers/phy/samsung/phy-samsung-ufs.h
new file mode 100644
index 000000000000..5de78710524c
--- /dev/null
+++ b/drivers/phy/samsung/phy-samsung-ufs.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * UFS PHY driver for Samsung EXYNOS SoC
+ *
+ * Copyright (C) 2020 Samsung Electronics Co., Ltd.
+ * Author: Seungwon Jeon <essuuj@gmail.com>
+ * Author: Alim Akhtar <alim.akhtar@samsung.com>
+ *
+ */
+#ifndef _PHY_SAMSUNG_UFS_
+#define _PHY_SAMSUNG_UFS_
+
+#define PHY_COMN_BLK 1
+#define PHY_TRSV_BLK 2
+#define END_UFS_PHY_CFG { 0 }
+#define PHY_TRSV_CH_OFFSET 0x30
+#define PHY_APB_ADDR(off) ((off) << 2)
+
+#define PHY_COMN_REG_CFG(o, v, d) { \
+ .off_0 = PHY_APB_ADDR((o)), \
+ .off_1 = 0, \
+ .val = (v), \
+ .desc = (d), \
+ .id = PHY_COMN_BLK, \
+}
+
+#define PHY_TRSV_REG_CFG(o, v, d) { \
+ .off_0 = PHY_APB_ADDR((o)), \
+ .off_1 = PHY_APB_ADDR((o) + PHY_TRSV_CH_OFFSET), \
+ .val = (v), \
+ .desc = (d), \
+ .id = PHY_TRSV_BLK, \
+}
+
+/* UFS PHY registers */
+#define PHY_PLL_LOCK_STATUS 0x1e
+#define PHY_CDR_LOCK_STATUS 0x5e
+
+#define PHY_PLL_LOCK_BIT BIT(5)
+#define PHY_CDR_LOCK_BIT BIT(4)
+
+/* description for PHY calibration */
+enum {
+ /* applicable to any */
+ PWR_DESC_ANY = 0,
+ /* mode */
+ PWR_DESC_PWM = 1,
+ PWR_DESC_HS = 2,
+ /* series */
+ PWR_DESC_SER_A = 1,
+ PWR_DESC_SER_B = 2,
+ /* gear */
+ PWR_DESC_G1 = 1,
+ PWR_DESC_G2 = 2,
+ PWR_DESC_G3 = 3,
+ /* field mask */
+ MD_MASK = 0x3,
+ SR_MASK = 0x3,
+ GR_MASK = 0x7,
+};
+
+#define PWR_MODE_HS_G1_ANY PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_ANY)
+#define PWR_MODE_HS_G1_SER_A PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_SER_A)
+#define PWR_MODE_HS_G1_SER_B PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_SER_B)
+#define PWR_MODE_HS_G2_ANY PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_ANY)
+#define PWR_MODE_HS_G2_SER_A PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_SER_A)
+#define PWR_MODE_HS_G2_SER_B PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_SER_B)
+#define PWR_MODE_HS_G3_ANY PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_ANY)
+#define PWR_MODE_HS_G3_SER_A PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_SER_A)
+#define PWR_MODE_HS_G3_SER_B PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_SER_B)
+#define PWR_MODE(g, s, m) ((((g) & GR_MASK) << 4) |\
+ (((s) & SR_MASK) << 2) | ((m) & MD_MASK))
+#define PWR_MODE_PWM_ANY PWR_MODE(PWR_DESC_ANY,\
+ PWR_DESC_ANY, PWR_DESC_PWM)
+#define PWR_MODE_HS(g, s) ((((g) & GR_MASK) << 4) |\
+ (((s) & SR_MASK) << 2) | PWR_DESC_HS)
+#define PWR_MODE_HS_ANY PWR_MODE(PWR_DESC_ANY,\
+ PWR_DESC_ANY, PWR_DESC_HS)
+#define PWR_MODE_ANY PWR_MODE(PWR_DESC_ANY,\
+ PWR_DESC_ANY, PWR_DESC_ANY)
+/* PHY calibration point/state */
+enum {
+ CFG_PRE_INIT,
+ CFG_POST_INIT,
+ CFG_PRE_PWR_HS,
+ CFG_POST_PWR_HS,
+ CFG_TAG_MAX,
+};
+
+struct samsung_ufs_phy_cfg {
+ u32 off_0;
+ u32 off_1;
+ u32 val;
+ u8 desc;
+ u8 id;
+};
+
+struct samsung_ufs_phy_drvdata {
+ const struct samsung_ufs_phy_cfg **cfg;
+ struct pmu_isol {
+ u32 offset;
+ u32 mask;
+ u32 en;
+ } isol;
+ bool has_symbol_clk;
+};
+
+struct samsung_ufs_phy {
+ struct device *dev;
+ void __iomem *reg_pma;
+ struct regmap *reg_pmu;
+ struct clk *ref_clk;
+ struct clk *ref_clk_parent;
+ struct clk *tx0_symbol_clk;
+ struct clk *rx0_symbol_clk;
+ struct clk *rx1_symbol_clk;
+ const struct samsung_ufs_phy_drvdata *drvdata;
+ struct samsung_ufs_phy_cfg **cfg;
+ const struct pmu_isol *isol;
+ u8 lane_cnt;
+ int ufs_phy_state;
+ enum phy_mode mode;
+};
+
+static inline struct samsung_ufs_phy *get_samsung_ufs_phy(struct phy *phy)
+{
+ return (struct samsung_ufs_phy *)phy_get_drvdata(phy);
+}
+
+static inline void samsung_ufs_phy_ctrl_isol(
+ struct samsung_ufs_phy *phy, u32 isol)
+{
+ regmap_update_bits(phy->reg_pmu, phy->isol->offset,
+ phy->isol->mask, isol ? 0 : phy->isol->en);
+}
+
+#include "phy-exynos7-ufs.h"
+
+#endif /* _PHY_SAMSUNG_UFS_ */
diff --git a/drivers/phy/samsung/phy-samsung-usb2.c b/drivers/phy/samsung/phy-samsung-usb2.c
index 090aa02e02de..a3ed3ff04690 100644
--- a/drivers/phy/samsung/phy-samsung-usb2.c
+++ b/drivers/phy/samsung/phy-samsung-usb2.c
@@ -255,7 +255,7 @@ static struct platform_driver samsung_usb2_phy_driver = {
};
module_platform_driver(samsung_usb2_phy_driver);
-MODULE_DESCRIPTION("Samsung S5P/EXYNOS SoC USB PHY driver");
+MODULE_DESCRIPTION("Samsung S5P/Exynos SoC USB PHY driver");
MODULE_AUTHOR("Kamil Debski <k.debski@samsung.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:samsung-usb2-phy");
diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c
index 56bdea4b0bd9..2b3639cba51a 100644
--- a/drivers/phy/st/phy-stm32-usbphyc.c
+++ b/drivers/phy/st/phy-stm32-usbphyc.c
@@ -327,7 +327,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
if (IS_ERR(usbphyc->base))
return PTR_ERR(usbphyc->base);
- usbphyc->clk = devm_clk_get(dev, 0);
+ usbphyc->clk = devm_clk_get(dev, NULL);
if (IS_ERR(usbphyc->clk)) {
ret = PTR_ERR(usbphyc->clk);
dev_err(dev, "clk get failed: %d\n", ret);
@@ -340,7 +340,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
return ret;
}
- usbphyc->rst = devm_reset_control_get(dev, 0);
+ usbphyc->rst = devm_reset_control_get(dev, NULL);
if (!IS_ERR(usbphyc->rst)) {
reset_control_assert(usbphyc->rst);
udelay(2);
diff --git a/drivers/phy/ti/phy-dm816x-usb.c b/drivers/phy/ti/phy-dm816x-usb.c
index 26f194779064..57adc08a89b2 100644
--- a/drivers/phy/ti/phy-dm816x-usb.c
+++ b/drivers/phy/ti/phy-dm816x-usb.c
@@ -82,17 +82,16 @@ static int dm816x_usb_phy_init(struct phy *x)
{
struct dm816x_usb_phy *phy = phy_get_drvdata(x);
unsigned int val;
- int error;
if (clk_get_rate(phy->refclk) != 24000000)
dev_warn(phy->dev, "nonstandard phy refclk\n");
/* Set PLL ref clock and put phys to sleep */
- error = regmap_update_bits(phy->syscon, phy->usb_ctrl,
- DM816X_USB_CTRL_PHYCLKSRC |
- DM816X_USB_CTRL_PHYSLEEP1 |
- DM816X_USB_CTRL_PHYSLEEP0,
- 0);
+ regmap_update_bits(phy->syscon, phy->usb_ctrl,
+ DM816X_USB_CTRL_PHYCLKSRC |
+ DM816X_USB_CTRL_PHYSLEEP1 |
+ DM816X_USB_CTRL_PHYSLEEP0,
+ 0);
regmap_read(phy->syscon, phy->usb_ctrl, &val);
if ((val & 3) != 0)
dev_info(phy->dev,
diff --git a/drivers/phy/ti/phy-ti-pipe3.c b/drivers/phy/ti/phy-ti-pipe3.c
index a87946589eb7..e9332c90f75f 100644
--- a/drivers/phy/ti/phy-ti-pipe3.c
+++ b/drivers/phy/ti/phy-ti-pipe3.c
@@ -337,7 +337,6 @@ static int ti_pipe3_power_on(struct phy *x)
{
u32 val;
u32 mask;
- int ret;
unsigned long rate;
struct ti_pipe3 *phy = phy_get_drvdata(x);
bool rx_pending = false;
@@ -355,8 +354,8 @@ static int ti_pipe3_power_on(struct phy *x)
rate = rate / 1000000;
mask = OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK;
val = rate << OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT;
- ret = regmap_update_bits(phy->phy_power_syscon, phy->power_reg,
- mask, val);
+ regmap_update_bits(phy->phy_power_syscon, phy->power_reg,
+ mask, val);
/*
* For PCIe, TX and RX must be powered on simultaneously.
* For USB and SATA, TX must be powered on before RX
diff --git a/drivers/phy/xilinx/Kconfig b/drivers/phy/xilinx/Kconfig
new file mode 100644
index 000000000000..d8b0d46b2b4d
--- /dev/null
+++ b/drivers/phy/xilinx/Kconfig
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+#
+# PHY drivers for Xilinx platforms
+#
+
+config PHY_XILINX_ZYNQMP
+ tristate "Xilinx ZynqMP PHY driver"
+ depends on ARCH_ZYNQMP || COMPILE_TEST
+ select GENERIC_PHY
+ help
+ Enable this to support ZynqMP High Speed Gigabit Transceiver
+ that is part of ZynqMP SoC.
diff --git a/drivers/phy/xilinx/Makefile b/drivers/phy/xilinx/Makefile
new file mode 100644
index 000000000000..3f1f6a2a9b45
--- /dev/null
+++ b/drivers/phy/xilinx/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_PHY_XILINX_ZYNQMP) += phy-zynqmp.o
diff --git a/drivers/phy/xilinx/phy-zynqmp.c b/drivers/phy/xilinx/phy-zynqmp.c
new file mode 100644
index 000000000000..2b0f921b6ee3
--- /dev/null
+++ b/drivers/phy/xilinx/phy-zynqmp.c
@@ -0,0 +1,993 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * phy-zynqmp.c - PHY driver for Xilinx ZynqMP GT.
+ *
+ * Copyright (C) 2018-2020 Xilinx Inc.
+ *
+ * Author: Anurag Kumar Vulisha <anuragku@xilinx.com>
+ * Author: Subbaraya Sundeep <sundeep.lkml@gmail.com>
+ * Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ *
+ * This driver is tested for USB, SATA and Display Port currently.
+ * Other controllers PCIe and SGMII should also work but that is
+ * experimental as of now.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/phy/phy.h>
+
+/*
+ * Lane Registers
+ */
+
+/* TX De-emphasis parameters */
+#define L0_TX_ANA_TM_18 0x0048
+#define L0_TX_ANA_TM_118 0x01d8
+#define L0_TX_ANA_TM_118_FORCE_17_0 BIT(0)
+
+/* DN Resistor calibration code parameters */
+#define L0_TXPMA_ST_3 0x0b0c
+#define L0_DN_CALIB_CODE 0x3f
+
+/* PMA control parameters */
+#define L0_TXPMD_TM_45 0x0cb4
+#define L0_TXPMD_TM_48 0x0cc0
+#define L0_TXPMD_TM_45_OVER_DP_MAIN BIT(0)
+#define L0_TXPMD_TM_45_ENABLE_DP_MAIN BIT(1)
+#define L0_TXPMD_TM_45_OVER_DP_POST1 BIT(2)
+#define L0_TXPMD_TM_45_ENABLE_DP_POST1 BIT(3)
+#define L0_TXPMD_TM_45_OVER_DP_POST2 BIT(4)
+#define L0_TXPMD_TM_45_ENABLE_DP_POST2 BIT(5)
+
+/* PCS control parameters */
+#define L0_TM_DIG_6 0x106c
+#define L0_TM_DIS_DESCRAMBLE_DECODER 0x0f
+#define L0_TX_DIG_61 0x00f4
+#define L0_TM_DISABLE_SCRAMBLE_ENCODER 0x0f
+
+/* PLL Test Mode register parameters */
+#define L0_TM_PLL_DIG_37 0x2094
+#define L0_TM_COARSE_CODE_LIMIT 0x10
+
+/* PLL SSC step size offsets */
+#define L0_PLL_SS_STEPS_0_LSB 0x2368
+#define L0_PLL_SS_STEPS_1_MSB 0x236c
+#define L0_PLL_SS_STEP_SIZE_0_LSB 0x2370
+#define L0_PLL_SS_STEP_SIZE_1 0x2374
+#define L0_PLL_SS_STEP_SIZE_2 0x2378
+#define L0_PLL_SS_STEP_SIZE_3_MSB 0x237c
+#define L0_PLL_STATUS_READ_1 0x23e4
+
+/* SSC step size parameters */
+#define STEP_SIZE_0_MASK 0xff
+#define STEP_SIZE_1_MASK 0xff
+#define STEP_SIZE_2_MASK 0xff
+#define STEP_SIZE_3_MASK 0x3
+#define STEP_SIZE_SHIFT 8
+#define FORCE_STEP_SIZE 0x10
+#define FORCE_STEPS 0x20
+#define STEPS_0_MASK 0xff
+#define STEPS_1_MASK 0x07
+
+/* Reference clock selection parameters */
+#define L0_Ln_REF_CLK_SEL(n) (0x2860 + (n) * 4)
+#define L0_REF_CLK_SEL_MASK 0x8f
+
+/* Calibration digital logic parameters */
+#define L3_TM_CALIB_DIG19 0xec4c
+#define L3_CALIB_DONE_STATUS 0xef14
+#define L3_TM_CALIB_DIG18 0xec48
+#define L3_TM_CALIB_DIG19_NSW 0x07
+#define L3_TM_CALIB_DIG18_NSW 0xe0
+#define L3_TM_OVERRIDE_NSW_CODE 0x20
+#define L3_CALIB_DONE 0x02
+#define L3_NSW_SHIFT 5
+#define L3_NSW_PIPE_SHIFT 4
+#define L3_NSW_CALIB_SHIFT 3
+
+#define PHY_REG_OFFSET 0x4000
+
+/*
+ * Global Registers
+ */
+
+/* Refclk selection parameters */
+#define PLL_REF_SEL(n) (0x10000 + (n) * 4)
+#define PLL_FREQ_MASK 0x1f
+#define PLL_STATUS_LOCKED 0x10
+
+/* Inter Connect Matrix parameters */
+#define ICM_CFG0 0x10010
+#define ICM_CFG1 0x10014
+#define ICM_CFG0_L0_MASK 0x07
+#define ICM_CFG0_L1_MASK 0x70
+#define ICM_CFG1_L2_MASK 0x07
+#define ICM_CFG2_L3_MASK 0x70
+#define ICM_CFG_SHIFT 4
+
+/* Inter Connect Matrix allowed protocols */
+#define ICM_PROTOCOL_PD 0x0
+#define ICM_PROTOCOL_PCIE 0x1
+#define ICM_PROTOCOL_SATA 0x2
+#define ICM_PROTOCOL_USB 0x3
+#define ICM_PROTOCOL_DP 0x4
+#define ICM_PROTOCOL_SGMII 0x5
+
+/* Test Mode common reset control parameters */
+#define TM_CMN_RST 0x10018
+#define TM_CMN_RST_EN 0x1
+#define TM_CMN_RST_SET 0x2
+#define TM_CMN_RST_MASK 0x3
+
+/* Bus width parameters */
+#define TX_PROT_BUS_WIDTH 0x10040
+#define RX_PROT_BUS_WIDTH 0x10044
+#define PROT_BUS_WIDTH_10 0x0
+#define PROT_BUS_WIDTH_20 0x1
+#define PROT_BUS_WIDTH_40 0x2
+#define PROT_BUS_WIDTH_SHIFT 2
+
+/* Number of GT lanes */
+#define NUM_LANES 4
+
+/* SIOU SATA control register */
+#define SATA_CONTROL_OFFSET 0x0100
+
+/* Total number of controllers */
+#define CONTROLLERS_PER_LANE 5
+
+/* Protocol Type parameters */
+#define XPSGTR_TYPE_USB0 0 /* USB controller 0 */
+#define XPSGTR_TYPE_USB1 1 /* USB controller 1 */
+#define XPSGTR_TYPE_SATA_0 2 /* SATA controller lane 0 */
+#define XPSGTR_TYPE_SATA_1 3 /* SATA controller lane 1 */
+#define XPSGTR_TYPE_PCIE_0 4 /* PCIe controller lane 0 */
+#define XPSGTR_TYPE_PCIE_1 5 /* PCIe controller lane 1 */
+#define XPSGTR_TYPE_PCIE_2 6 /* PCIe controller lane 2 */
+#define XPSGTR_TYPE_PCIE_3 7 /* PCIe controller lane 3 */
+#define XPSGTR_TYPE_DP_0 8 /* Display Port controller lane 0 */
+#define XPSGTR_TYPE_DP_1 9 /* Display Port controller lane 1 */
+#define XPSGTR_TYPE_SGMII0 10 /* Ethernet SGMII controller 0 */
+#define XPSGTR_TYPE_SGMII1 11 /* Ethernet SGMII controller 1 */
+#define XPSGTR_TYPE_SGMII2 12 /* Ethernet SGMII controller 2 */
+#define XPSGTR_TYPE_SGMII3 13 /* Ethernet SGMII controller 3 */
+
+/* Timeout values */
+#define TIMEOUT_US 1000
+
+struct xpsgtr_dev;
+
+/**
+ * struct xpsgtr_ssc - structure to hold SSC settings for a lane
+ * @refclk_rate: PLL reference clock frequency
+ * @pll_ref_clk: value to be written to register for corresponding ref clk rate
+ * @steps: number of steps of SSC (Spread Spectrum Clock)
+ * @step_size: step size of each step
+ */
+struct xpsgtr_ssc {
+ u32 refclk_rate;
+ u8 pll_ref_clk;
+ u32 steps;
+ u32 step_size;
+};
+
+/**
+ * struct xpsgtr_phy - representation of a lane
+ * @phy: pointer to the kernel PHY device
+ * @type: controller which uses this lane
+ * @lane: lane number
+ * @protocol: protocol in which the lane operates
+ * @skip_phy_init: skip phy_init() if true
+ * @dev: pointer to the xpsgtr_dev instance
+ * @refclk: reference clock index
+ */
+struct xpsgtr_phy {
+ struct phy *phy;
+ u8 type;
+ u8 lane;
+ u8 protocol;
+ bool skip_phy_init;
+ struct xpsgtr_dev *dev;
+ unsigned int refclk;
+};
+
+/**
+ * struct xpsgtr_dev - representation of a ZynMP GT device
+ * @dev: pointer to device
+ * @serdes: serdes base address
+ * @siou: siou base address
+ * @gtr_mutex: mutex for locking
+ * @phys: PHY lanes
+ * @refclk_sscs: spread spectrum settings for the reference clocks
+ * @tx_term_fix: fix for GT issue
+ * @saved_icm_cfg0: stored value of ICM CFG0 register
+ * @saved_icm_cfg1: stored value of ICM CFG1 register
+ */
+struct xpsgtr_dev {
+ struct device *dev;
+ void __iomem *serdes;
+ void __iomem *siou;
+ struct mutex gtr_mutex; /* mutex for locking */
+ struct xpsgtr_phy phys[NUM_LANES];
+ const struct xpsgtr_ssc *refclk_sscs[NUM_LANES];
+ bool tx_term_fix;
+ unsigned int saved_icm_cfg0;
+ unsigned int saved_icm_cfg1;
+};
+
+/*
+ * Configuration Data
+ */
+
+/* lookup table to hold all settings needed for a ref clock frequency */
+static const struct xpsgtr_ssc ssc_lookup[] = {
+ { 19200000, 0x05, 608, 264020 },
+ { 20000000, 0x06, 634, 243454 },
+ { 24000000, 0x07, 760, 168973 },
+ { 26000000, 0x08, 824, 143860 },
+ { 27000000, 0x09, 856, 86551 },
+ { 38400000, 0x0a, 1218, 65896 },
+ { 40000000, 0x0b, 634, 243454 },
+ { 52000000, 0x0c, 824, 143860 },
+ { 100000000, 0x0d, 1058, 87533 },
+ { 108000000, 0x0e, 856, 86551 },
+ { 125000000, 0x0f, 992, 119497 },
+ { 135000000, 0x10, 1070, 55393 },
+ { 150000000, 0x11, 792, 187091 }
+};
+
+/*
+ * I/O Accessors
+ */
+
+static inline u32 xpsgtr_read(struct xpsgtr_dev *gtr_dev, u32 reg)
+{
+ return readl(gtr_dev->serdes + reg);
+}
+
+static inline void xpsgtr_write(struct xpsgtr_dev *gtr_dev, u32 reg, u32 value)
+{
+ writel(value, gtr_dev->serdes + reg);
+}
+
+static inline void xpsgtr_clr_set(struct xpsgtr_dev *gtr_dev, u32 reg,
+ u32 clr, u32 set)
+{
+ u32 value = xpsgtr_read(gtr_dev, reg);
+
+ value &= ~clr;
+ value |= set;
+ xpsgtr_write(gtr_dev, reg, value);
+}
+
+static inline u32 xpsgtr_read_phy(struct xpsgtr_phy *gtr_phy, u32 reg)
+{
+ void __iomem *addr = gtr_phy->dev->serdes
+ + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+ return readl(addr);
+}
+
+static inline void xpsgtr_write_phy(struct xpsgtr_phy *gtr_phy,
+ u32 reg, u32 value)
+{
+ void __iomem *addr = gtr_phy->dev->serdes
+ + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+ writel(value, addr);
+}
+
+static inline void xpsgtr_clr_set_phy(struct xpsgtr_phy *gtr_phy,
+ u32 reg, u32 clr, u32 set)
+{
+ void __iomem *addr = gtr_phy->dev->serdes
+ + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+ writel((readl(addr) & ~clr) | set, addr);
+}
+
+/*
+ * Hardware Configuration
+ */
+
+/* Wait for the PLL to lock (with a timeout). */
+static int xpsgtr_wait_pll_lock(struct phy *phy)
+{
+ struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+ struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+ unsigned int timeout = TIMEOUT_US;
+ int ret;
+
+ dev_dbg(gtr_dev->dev, "Waiting for PLL lock\n");
+
+ while (1) {
+ u32 reg = xpsgtr_read_phy(gtr_phy, L0_PLL_STATUS_READ_1);
+
+ if ((reg & PLL_STATUS_LOCKED) == PLL_STATUS_LOCKED) {
+ ret = 0;
+ break;
+ }
+
+ if (--timeout == 0) {
+ ret = -ETIMEDOUT;
+ break;
+ }
+
+ udelay(1);
+ }
+
+ if (ret == -ETIMEDOUT)
+ dev_err(gtr_dev->dev,
+ "lane %u (type %u, protocol %u): PLL lock timeout\n",
+ gtr_phy->lane, gtr_phy->type, gtr_phy->protocol);
+
+ return ret;
+}
+
+/* Configure PLL and spread-sprectrum clock. */
+static void xpsgtr_configure_pll(struct xpsgtr_phy *gtr_phy)
+{
+ const struct xpsgtr_ssc *ssc;
+ u32 step_size;
+
+ ssc = gtr_phy->dev->refclk_sscs[gtr_phy->refclk];
+ step_size = ssc->step_size;
+
+ xpsgtr_clr_set(gtr_phy->dev, PLL_REF_SEL(gtr_phy->lane),
+ PLL_FREQ_MASK, ssc->pll_ref_clk);
+
+ /* Enable lane clock sharing, if required */
+ if (gtr_phy->refclk != gtr_phy->lane) {
+ /* Lane3 Ref Clock Selection Register */
+ xpsgtr_clr_set(gtr_phy->dev, L0_Ln_REF_CLK_SEL(gtr_phy->lane),
+ L0_REF_CLK_SEL_MASK, 1 << gtr_phy->refclk);
+ }
+
+ /* SSC step size [7:0] */
+ xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_0_LSB,
+ STEP_SIZE_0_MASK, step_size & STEP_SIZE_0_MASK);
+
+ /* SSC step size [15:8] */
+ step_size >>= STEP_SIZE_SHIFT;
+ xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_1,
+ STEP_SIZE_1_MASK, step_size & STEP_SIZE_1_MASK);
+
+ /* SSC step size [23:16] */
+ step_size >>= STEP_SIZE_SHIFT;
+ xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_2,
+ STEP_SIZE_2_MASK, step_size & STEP_SIZE_2_MASK);
+
+ /* SSC steps [7:0] */
+ xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_0_LSB,
+ STEPS_0_MASK, ssc->steps & STEPS_0_MASK);
+
+ /* SSC steps [10:8] */
+ xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_1_MSB,
+ STEPS_1_MASK,
+ (ssc->steps >> STEP_SIZE_SHIFT) & STEPS_1_MASK);
+
+ /* SSC step size [24:25] */
+ step_size >>= STEP_SIZE_SHIFT;
+ xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_3_MSB,
+ STEP_SIZE_3_MASK, (step_size & STEP_SIZE_3_MASK) |
+ FORCE_STEP_SIZE | FORCE_STEPS);
+}
+
+/* Configure the lane protocol. */
+static void xpsgtr_lane_set_protocol(struct xpsgtr_phy *gtr_phy)
+{
+ struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+ u8 protocol = gtr_phy->protocol;
+
+ switch (gtr_phy->lane) {
+ case 0:
+ xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L0_MASK, protocol);
+ break;
+ case 1:
+ xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L1_MASK,
+ protocol << ICM_CFG_SHIFT);
+ break;
+ case 2:
+ xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L0_MASK, protocol);
+ break;
+ case 3:
+ xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L1_MASK,
+ protocol << ICM_CFG_SHIFT);
+ break;
+ default:
+ /* We already checked 0 <= lane <= 3 */
+ break;
+ }
+}
+
+/* Bypass (de)scrambler and 8b/10b decoder and encoder. */
+static void xpsgtr_bypass_scrambler_8b10b(struct xpsgtr_phy *gtr_phy)
+{
+ xpsgtr_write_phy(gtr_phy, L0_TM_DIG_6, L0_TM_DIS_DESCRAMBLE_DECODER);
+ xpsgtr_write_phy(gtr_phy, L0_TX_DIG_61, L0_TM_DISABLE_SCRAMBLE_ENCODER);
+}
+
+/* DP-specific initialization. */
+static void xpsgtr_phy_init_dp(struct xpsgtr_phy *gtr_phy)
+{
+ xpsgtr_write_phy(gtr_phy, L0_TXPMD_TM_45,
+ L0_TXPMD_TM_45_OVER_DP_MAIN |
+ L0_TXPMD_TM_45_ENABLE_DP_MAIN |
+ L0_TXPMD_TM_45_OVER_DP_POST1 |
+ L0_TXPMD_TM_45_OVER_DP_POST2 |
+ L0_TXPMD_TM_45_ENABLE_DP_POST2);
+ xpsgtr_write_phy(gtr_phy, L0_TX_ANA_TM_118,
+ L0_TX_ANA_TM_118_FORCE_17_0);
+}
+
+/* SATA-specific initialization. */
+static void xpsgtr_phy_init_sata(struct xpsgtr_phy *gtr_phy)
+{
+ struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+
+ xpsgtr_bypass_scrambler_8b10b(gtr_phy);
+
+ writel(gtr_phy->lane, gtr_dev->siou + SATA_CONTROL_OFFSET);
+}
+
+/* SGMII-specific initialization. */
+static void xpsgtr_phy_init_sgmii(struct xpsgtr_phy *gtr_phy)
+{
+ struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+
+ /* Set SGMII protocol TX and RX bus width to 10 bits. */
+ xpsgtr_write(gtr_dev, TX_PROT_BUS_WIDTH,
+ PROT_BUS_WIDTH_10 << (gtr_phy->lane * PROT_BUS_WIDTH_SHIFT));
+ xpsgtr_write(gtr_dev, RX_PROT_BUS_WIDTH,
+ PROT_BUS_WIDTH_10 << (gtr_phy->lane * PROT_BUS_WIDTH_SHIFT));
+
+ xpsgtr_bypass_scrambler_8b10b(gtr_phy);
+}
+
+/* Configure TX de-emphasis and margining for DP. */
+static void xpsgtr_phy_configure_dp(struct xpsgtr_phy *gtr_phy, unsigned int pre,
+ unsigned int voltage)
+{
+ static const u8 voltage_swing[4][4] = {
+ { 0x2a, 0x27, 0x24, 0x20 },
+ { 0x27, 0x23, 0x20, 0xff },
+ { 0x24, 0x20, 0xff, 0xff },
+ { 0xff, 0xff, 0xff, 0xff }
+ };
+ static const u8 pre_emphasis[4][4] = {
+ { 0x02, 0x02, 0x02, 0x02 },
+ { 0x01, 0x01, 0x01, 0xff },
+ { 0x00, 0x00, 0xff, 0xff },
+ { 0xff, 0xff, 0xff, 0xff }
+ };
+
+ xpsgtr_write_phy(gtr_phy, L0_TXPMD_TM_48, voltage_swing[pre][voltage]);
+ xpsgtr_write_phy(gtr_phy, L0_TX_ANA_TM_18, pre_emphasis[pre][voltage]);
+}
+
+/*
+ * PHY Operations
+ */
+
+static bool xpsgtr_phy_init_required(struct xpsgtr_phy *gtr_phy)
+{
+ /*
+ * As USB may save the snapshot of the states during hibernation, doing
+ * phy_init() will put the USB controller into reset, resulting in the
+ * losing of the saved snapshot. So try to avoid phy_init() for USB
+ * except when gtr_phy->skip_phy_init is false (this happens when FPD is
+ * shutdown during suspend or when gt lane is changed from current one)
+ */
+ if (gtr_phy->protocol == ICM_PROTOCOL_USB && gtr_phy->skip_phy_init)
+ return false;
+ else
+ return true;
+}
+
+/*
+ * There is a functional issue in the GT. The TX termination resistance can be
+ * out of spec due to a issue in the calibration logic. This is the workaround
+ * to fix it, required for XCZU9EG silicon.
+ */
+static int xpsgtr_phy_tx_term_fix(struct xpsgtr_phy *gtr_phy)
+{
+ struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+ u32 timeout = TIMEOUT_US;
+ u32 nsw;
+
+ /* Enabling Test Mode control for CMN Rest */
+ xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
+
+ /* Set Test Mode reset */
+ xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_EN);
+
+ xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG18, 0x00);
+ xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG19, L3_TM_OVERRIDE_NSW_CODE);
+
+ /*
+ * As a part of work around sequence for PMOS calibration fix,
+ * we need to configure any lane ICM_CFG to valid protocol. This
+ * will deassert the CMN_Resetn signal.
+ */
+ xpsgtr_lane_set_protocol(gtr_phy);
+
+ /* Clear Test Mode reset */
+ xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
+
+ dev_dbg(gtr_dev->dev, "calibrating...\n");
+
+ do {
+ u32 reg = xpsgtr_read(gtr_dev, L3_CALIB_DONE_STATUS);
+
+ if ((reg & L3_CALIB_DONE) == L3_CALIB_DONE)
+ break;
+
+ if (!--timeout) {
+ dev_err(gtr_dev->dev, "calibration time out\n");
+ return -ETIMEDOUT;
+ }
+
+ udelay(1);
+ } while (timeout > 0);
+
+ dev_dbg(gtr_dev->dev, "calibration done\n");
+
+ /* Reading NMOS Register Code */
+ nsw = xpsgtr_read(gtr_dev, L0_TXPMA_ST_3) & L0_DN_CALIB_CODE;
+
+ /* Set Test Mode reset */
+ xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_EN);
+
+ /* Writing NMOS register values back [5:3] */
+ xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG19, nsw >> L3_NSW_CALIB_SHIFT);
+
+ /* Writing NMOS register value [2:0] */
+ xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG18,
+ ((nsw & L3_TM_CALIB_DIG19_NSW) << L3_NSW_SHIFT) |
+ (1 << L3_NSW_PIPE_SHIFT));
+
+ /* Clear Test Mode reset */
+ xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
+
+ return 0;
+}
+
+static int xpsgtr_phy_init(struct phy *phy)
+{
+ struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+ struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+ int ret = 0;
+
+ mutex_lock(&gtr_dev->gtr_mutex);
+
+ /* Skip initialization if not required. */
+ if (!xpsgtr_phy_init_required(gtr_phy))
+ goto out;
+
+ if (gtr_dev->tx_term_fix) {
+ ret = xpsgtr_phy_tx_term_fix(gtr_phy);
+ if (ret < 0)
+ goto out;
+
+ gtr_dev->tx_term_fix = false;
+ }
+
+ /* Enable coarse code saturation limiting logic. */
+ xpsgtr_write_phy(gtr_phy, L0_TM_PLL_DIG_37, L0_TM_COARSE_CODE_LIMIT);
+
+ /*
+ * Configure the PLL, the lane protocol, and perform protocol-specific
+ * initialization.
+ */
+ xpsgtr_configure_pll(gtr_phy);
+ xpsgtr_lane_set_protocol(gtr_phy);
+
+ switch (gtr_phy->protocol) {
+ case ICM_PROTOCOL_DP:
+ xpsgtr_phy_init_dp(gtr_phy);
+ break;
+
+ case ICM_PROTOCOL_SATA:
+ xpsgtr_phy_init_sata(gtr_phy);
+ break;
+
+ case ICM_PROTOCOL_SGMII:
+ xpsgtr_phy_init_sgmii(gtr_phy);
+ break;
+ }
+
+out:
+ mutex_unlock(&gtr_dev->gtr_mutex);
+ return ret;
+}
+
+static int xpsgtr_phy_exit(struct phy *phy)
+{
+ struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+
+ gtr_phy->skip_phy_init = false;
+
+ return 0;
+}
+
+static int xpsgtr_phy_power_on(struct phy *phy)
+{
+ struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+ int ret = 0;
+
+ /*
+ * Wait for the PLL to lock. For DP, only wait on DP0 to avoid
+ * cumulating waits for both lanes. The user is expected to initialize
+ * lane 0 last.
+ */
+ if (gtr_phy->protocol != ICM_PROTOCOL_DP ||
+ gtr_phy->type == XPSGTR_TYPE_DP_0)
+ ret = xpsgtr_wait_pll_lock(phy);
+
+ return ret;
+}
+
+static int xpsgtr_phy_configure(struct phy *phy, union phy_configure_opts *opts)
+{
+ struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+
+ if (gtr_phy->protocol != ICM_PROTOCOL_DP)
+ return 0;
+
+ xpsgtr_phy_configure_dp(gtr_phy, opts->dp.pre[0], opts->dp.voltage[0]);
+
+ return 0;
+}
+
+static const struct phy_ops xpsgtr_phyops = {
+ .init = xpsgtr_phy_init,
+ .exit = xpsgtr_phy_exit,
+ .power_on = xpsgtr_phy_power_on,
+ .configure = xpsgtr_phy_configure,
+ .owner = THIS_MODULE,
+};
+
+/*
+ * OF Xlate Support
+ */
+
+/* Set the lane type and protocol based on the PHY type and instance number. */
+static int xpsgtr_set_lane_type(struct xpsgtr_phy *gtr_phy, u8 phy_type,
+ unsigned int phy_instance)
+{
+ unsigned int num_phy_types;
+ const int *phy_types;
+
+ switch (phy_type) {
+ case PHY_TYPE_SATA: {
+ static const int types[] = {
+ XPSGTR_TYPE_SATA_0,
+ XPSGTR_TYPE_SATA_1,
+ };
+
+ phy_types = types;
+ num_phy_types = ARRAY_SIZE(types);
+ gtr_phy->protocol = ICM_PROTOCOL_SATA;
+ break;
+ }
+ case PHY_TYPE_USB3: {
+ static const int types[] = {
+ XPSGTR_TYPE_USB0,
+ XPSGTR_TYPE_USB1,
+ };
+
+ phy_types = types;
+ num_phy_types = ARRAY_SIZE(types);
+ gtr_phy->protocol = ICM_PROTOCOL_USB;
+ break;
+ }
+ case PHY_TYPE_DP: {
+ static const int types[] = {
+ XPSGTR_TYPE_DP_0,
+ XPSGTR_TYPE_DP_1,
+ };
+
+ phy_types = types;
+ num_phy_types = ARRAY_SIZE(types);
+ gtr_phy->protocol = ICM_PROTOCOL_DP;
+ break;
+ }
+ case PHY_TYPE_PCIE: {
+ static const int types[] = {
+ XPSGTR_TYPE_PCIE_0,
+ XPSGTR_TYPE_PCIE_1,
+ XPSGTR_TYPE_PCIE_2,
+ XPSGTR_TYPE_PCIE_3,
+ };
+
+ phy_types = types;
+ num_phy_types = ARRAY_SIZE(types);
+ gtr_phy->protocol = ICM_PROTOCOL_PCIE;
+ break;
+ }
+ case PHY_TYPE_SGMII: {
+ static const int types[] = {
+ XPSGTR_TYPE_SGMII0,
+ XPSGTR_TYPE_SGMII1,
+ XPSGTR_TYPE_SGMII2,
+ XPSGTR_TYPE_SGMII3,
+ };
+
+ phy_types = types;
+ num_phy_types = ARRAY_SIZE(types);
+ gtr_phy->protocol = ICM_PROTOCOL_SGMII;
+ break;
+ }
+ default:
+ return -EINVAL;
+ }
+
+ if (phy_instance >= num_phy_types)
+ return -EINVAL;
+
+ gtr_phy->type = phy_types[phy_instance];
+ return 0;
+}
+
+/*
+ * Valid combinations of controllers and lanes (Interconnect Matrix).
+ */
+static const unsigned int icm_matrix[NUM_LANES][CONTROLLERS_PER_LANE] = {
+ { XPSGTR_TYPE_PCIE_0, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
+ XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII0 },
+ { XPSGTR_TYPE_PCIE_1, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB0,
+ XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII1 },
+ { XPSGTR_TYPE_PCIE_2, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
+ XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII2 },
+ { XPSGTR_TYPE_PCIE_3, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB1,
+ XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII3 }
+};
+
+/* Translate OF phandle and args to PHY instance. */
+static struct phy *xpsgtr_xlate(struct device *dev,
+ struct of_phandle_args *args)
+{
+ struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
+ struct xpsgtr_phy *gtr_phy;
+ unsigned int phy_instance;
+ unsigned int phy_lane;
+ unsigned int phy_type;
+ unsigned int refclk;
+ unsigned int i;
+ int ret;
+
+ if (args->args_count != 4) {
+ dev_err(dev, "Invalid number of cells in 'phy' property\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ /*
+ * Get the PHY parameters from the OF arguments and derive the lane
+ * type.
+ */
+ phy_lane = args->args[0];
+ if (phy_lane >= ARRAY_SIZE(gtr_dev->phys)) {
+ dev_err(dev, "Invalid lane number %u\n", phy_lane);
+ return ERR_PTR(-ENODEV);
+ }
+
+ gtr_phy = &gtr_dev->phys[phy_lane];
+ phy_type = args->args[1];
+ phy_instance = args->args[2];
+
+ ret = xpsgtr_set_lane_type(gtr_phy, phy_type, phy_instance);
+ if (ret < 0) {
+ dev_err(gtr_dev->dev, "Invalid PHY type and/or instance\n");
+ return ERR_PTR(ret);
+ }
+
+ refclk = args->args[3];
+ if (refclk >= ARRAY_SIZE(gtr_dev->refclk_sscs) ||
+ !gtr_dev->refclk_sscs[refclk]) {
+ dev_err(dev, "Invalid reference clock number %u\n", refclk);
+ return ERR_PTR(-EINVAL);
+ }
+
+ gtr_phy->refclk = refclk;
+
+ /*
+ * Ensure that the Interconnect Matrix is obeyed, i.e a given lane type
+ * is allowed to operate on the lane.
+ */
+ for (i = 0; i < CONTROLLERS_PER_LANE; i++) {
+ if (icm_matrix[phy_lane][i] == gtr_phy->type)
+ return gtr_phy->phy;
+ }
+
+ return ERR_PTR(-EINVAL);
+}
+
+/*
+ * Power Management
+ */
+
+static int __maybe_unused xpsgtr_suspend(struct device *dev)
+{
+ struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
+
+ /* Save the snapshot ICM_CFG registers. */
+ gtr_dev->saved_icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0);
+ gtr_dev->saved_icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1);
+
+ return 0;
+}
+
+static int __maybe_unused xpsgtr_resume(struct device *dev)
+{
+ struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
+ unsigned int icm_cfg0, icm_cfg1;
+ unsigned int i;
+ bool skip_phy_init;
+
+ icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0);
+ icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1);
+
+ /* Return if no GT lanes got configured before suspend. */
+ if (!gtr_dev->saved_icm_cfg0 && !gtr_dev->saved_icm_cfg1)
+ return 0;
+
+ /* Check if the ICM configurations changed after suspend. */
+ if (icm_cfg0 == gtr_dev->saved_icm_cfg0 &&
+ icm_cfg1 == gtr_dev->saved_icm_cfg1)
+ skip_phy_init = true;
+ else
+ skip_phy_init = false;
+
+ /* Update the skip_phy_init for all gtr_phy instances. */
+ for (i = 0; i < ARRAY_SIZE(gtr_dev->phys); i++)
+ gtr_dev->phys[i].skip_phy_init = skip_phy_init;
+
+ return 0;
+}
+
+static const struct dev_pm_ops xpsgtr_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(xpsgtr_suspend, xpsgtr_resume)
+};
+
+/*
+ * Probe & Platform Driver
+ */
+
+static int xpsgtr_get_ref_clocks(struct xpsgtr_dev *gtr_dev)
+{
+ unsigned int refclk;
+
+ for (refclk = 0; refclk < ARRAY_SIZE(gtr_dev->refclk_sscs); ++refclk) {
+ unsigned long rate;
+ unsigned int i;
+ struct clk *clk;
+ char name[8];
+
+ snprintf(name, sizeof(name), "ref%u", refclk);
+ clk = devm_clk_get_optional(gtr_dev->dev, name);
+ if (IS_ERR(clk)) {
+ if (PTR_ERR(clk) != -EPROBE_DEFER)
+ dev_err(gtr_dev->dev,
+ "Failed to get reference clock %u: %ld\n",
+ refclk, PTR_ERR(clk));
+ return PTR_ERR(clk);
+ }
+
+ if (!clk)
+ continue;
+
+ /*
+ * Get the spread spectrum (SSC) settings for the reference
+ * clock rate.
+ */
+ rate = clk_get_rate(clk);
+
+ for (i = 0 ; i < ARRAY_SIZE(ssc_lookup); i++) {
+ if (rate == ssc_lookup[i].refclk_rate) {
+ gtr_dev->refclk_sscs[refclk] = &ssc_lookup[i];
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(ssc_lookup)) {
+ dev_err(gtr_dev->dev,
+ "Invalid rate %lu for reference clock %u\n",
+ rate, refclk);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int xpsgtr_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct xpsgtr_dev *gtr_dev;
+ struct phy_provider *provider;
+ unsigned int port;
+ int ret;
+
+ gtr_dev = devm_kzalloc(&pdev->dev, sizeof(*gtr_dev), GFP_KERNEL);
+ if (!gtr_dev)
+ return -ENOMEM;
+
+ gtr_dev->dev = &pdev->dev;
+ platform_set_drvdata(pdev, gtr_dev);
+
+ mutex_init(&gtr_dev->gtr_mutex);
+
+ if (of_device_is_compatible(np, "xlnx,zynqmp-psgtr"))
+ gtr_dev->tx_term_fix =
+ of_property_read_bool(np, "xlnx,tx-termination-fix");
+
+ /* Acquire resources. */
+ gtr_dev->serdes = devm_platform_ioremap_resource_byname(pdev, "serdes");
+ if (IS_ERR(gtr_dev->serdes))
+ return PTR_ERR(gtr_dev->serdes);
+
+ gtr_dev->siou = devm_platform_ioremap_resource_byname(pdev, "siou");
+ if (IS_ERR(gtr_dev->siou))
+ return PTR_ERR(gtr_dev->siou);
+
+ ret = xpsgtr_get_ref_clocks(gtr_dev);
+ if (ret)
+ return ret;
+
+ /* Create PHYs. */
+ for (port = 0; port < ARRAY_SIZE(gtr_dev->phys); ++port) {
+ struct xpsgtr_phy *gtr_phy = &gtr_dev->phys[port];
+ struct phy *phy;
+
+ gtr_phy->lane = port;
+ gtr_phy->dev = gtr_dev;
+
+ phy = devm_phy_create(&pdev->dev, np, &xpsgtr_phyops);
+ if (IS_ERR(phy)) {
+ dev_err(&pdev->dev, "failed to create PHY\n");
+ return PTR_ERR(phy);
+ }
+
+ gtr_phy->phy = phy;
+ phy_set_drvdata(phy, gtr_phy);
+ }
+
+ /* Register the PHY provider. */
+ provider = devm_of_phy_provider_register(&pdev->dev, xpsgtr_xlate);
+ if (IS_ERR(provider)) {
+ dev_err(&pdev->dev, "registering provider failed\n");
+ return PTR_ERR(provider);
+ }
+ return 0;
+}
+
+static const struct of_device_id xpsgtr_of_match[] = {
+ { .compatible = "xlnx,zynqmp-psgtr", },
+ { .compatible = "xlnx,zynqmp-psgtr-v1.1", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, xpsgtr_of_match);
+
+static struct platform_driver xpsgtr_driver = {
+ .probe = xpsgtr_probe,
+ .driver = {
+ .name = "xilinx-psgtr",
+ .of_match_table = xpsgtr_of_match,
+ .pm = &xpsgtr_pm_ops,
+ },
+};
+
+module_platform_driver(xpsgtr_driver);
+
+MODULE_AUTHOR("Xilinx Inc.");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Xilinx ZynqMP High speed Gigabit Transceiver");