diff options
-rw-r--r-- | Documentation/devicetree/bindings/gpio/sifive,gpio.yaml | 2 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml | 2 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/serial/sifive-serial.yaml | 2 | ||||
-rw-r--r-- | arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 22 | ||||
-rw-r--r-- | arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 26 | ||||
-rw-r--r-- | drivers/clk/sifive/Makefile | 2 | ||||
-rw-r--r-- | drivers/clk/sifive/fu540-prci.c | 89 | ||||
-rw-r--r-- | drivers/clk/sifive/fu540-prci.h | 91 | ||||
-rw-r--r-- | drivers/clk/sifive/fu740-prci.c | 134 | ||||
-rw-r--r-- | drivers/clk/sifive/fu740-prci.h | 130 | ||||
-rw-r--r-- | drivers/clk/sifive/sifive-prci.c | 5 | ||||
-rw-r--r-- | drivers/clk/visconti/clkc-tmpv770x.c | 2 | ||||
-rw-r--r-- | drivers/clk/visconti/clkc.c | 2 | ||||
-rw-r--r-- | drivers/clk/visconti/clkc.h | 3 | ||||
-rw-r--r-- | include/dt-bindings/clock/sifive-fu540-prci.h | 8 | ||||
-rw-r--r-- | include/dt-bindings/clock/sifive-fu740-prci.h | 18 |
16 files changed, 259 insertions, 279 deletions
diff --git a/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml index e04349567eeb..8d3c126fe164 100644 --- a/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml +++ b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml @@ -80,7 +80,7 @@ examples: interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>, <17>, <18>, <19>, <20>, <21>, <22>; reg = <0x10060000 0x1000>; - clocks = <&tlclk PRCI_CLK_TLCLK>; + clocks = <&tlclk FU540_PRCI_CLK_TLCLK>; gpio-controller; #gpio-cells = <2>; interrupt-controller; diff --git a/Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml b/Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml index 392f0ab488c2..195e6afeb169 100644 --- a/Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml @@ -104,7 +104,7 @@ examples: <0x0 0x0 0x0 0x2 &plic0 58>, <0x0 0x0 0x0 0x3 &plic0 59>, <0x0 0x0 0x0 0x4 &plic0 60>; - clocks = <&prci PRCI_CLK_PCIE_AUX>; + clocks = <&prci FU740_PRCI_CLK_PCIE_AUX>; resets = <&prci 4>; pwren-gpios = <&gpio 5 0>; reset-gpios = <&gpio 8 0>; diff --git a/Documentation/devicetree/bindings/serial/sifive-serial.yaml b/Documentation/devicetree/bindings/serial/sifive-serial.yaml index 09aae43f65a7..b0a8871e3641 100644 --- a/Documentation/devicetree/bindings/serial/sifive-serial.yaml +++ b/Documentation/devicetree/bindings/serial/sifive-serial.yaml @@ -59,7 +59,7 @@ examples: interrupt-parent = <&plic0>; interrupts = <80>; reg = <0x10010000 0x1000>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; }; ... diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 3eef52b1a59b..aad45d7f498f 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -164,7 +164,7 @@ reg = <0x0 0x10010000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <4>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; status = "disabled"; }; dma: dma@3000000 { @@ -180,7 +180,7 @@ reg = <0x0 0x10011000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <5>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; status = "disabled"; }; i2c0: i2c@10030000 { @@ -188,7 +188,7 @@ reg = <0x0 0x10030000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <50>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; reg-shift = <2>; reg-io-width = <1>; #address-cells = <1>; @@ -201,7 +201,7 @@ <0x0 0x20000000 0x0 0x10000000>; interrupt-parent = <&plic0>; interrupts = <51>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -212,7 +212,7 @@ <0x0 0x30000000 0x0 0x10000000>; interrupt-parent = <&plic0>; interrupts = <52>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -222,7 +222,7 @@ reg = <0x0 0x10050000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <6>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -235,8 +235,8 @@ <0x0 0x100a0000 0x0 0x1000>; local-mac-address = [00 00 00 00 00 00]; clock-names = "pclk", "hclk"; - clocks = <&prci PRCI_CLK_GEMGXLPLL>, - <&prci PRCI_CLK_GEMGXLPLL>; + clocks = <&prci FU540_PRCI_CLK_GEMGXLPLL>, + <&prci FU540_PRCI_CLK_GEMGXLPLL>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -246,7 +246,7 @@ reg = <0x0 0x10020000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <42>, <43>, <44>, <45>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; #pwm-cells = <3>; status = "disabled"; }; @@ -255,7 +255,7 @@ reg = <0x0 0x10021000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <46>, <47>, <48>, <49>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; #pwm-cells = <3>; status = "disabled"; }; @@ -281,7 +281,7 @@ #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; - clocks = <&prci PRCI_CLK_TLCLK>; + clocks = <&prci FU540_PRCI_CLK_TLCLK>; status = "disabled"; }; }; diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi index 8464b0e3c887..7b77c13496d8 100644 --- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi @@ -166,7 +166,7 @@ reg = <0x0 0x10010000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <39>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; status = "disabled"; }; uart1: serial@10011000 { @@ -174,7 +174,7 @@ reg = <0x0 0x10011000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <40>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; status = "disabled"; }; i2c0: i2c@10030000 { @@ -182,7 +182,7 @@ reg = <0x0 0x10030000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <52>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; reg-shift = <2>; reg-io-width = <1>; #address-cells = <1>; @@ -194,7 +194,7 @@ reg = <0x0 0x10031000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <53>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; reg-shift = <2>; reg-io-width = <1>; #address-cells = <1>; @@ -207,7 +207,7 @@ <0x0 0x20000000 0x0 0x10000000>; interrupt-parent = <&plic0>; interrupts = <41>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -218,7 +218,7 @@ <0x0 0x30000000 0x0 0x10000000>; interrupt-parent = <&plic0>; interrupts = <42>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -228,7 +228,7 @@ reg = <0x0 0x10050000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <43>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -241,8 +241,8 @@ <0x0 0x100a0000 0x0 0x1000>; local-mac-address = [00 00 00 00 00 00]; clock-names = "pclk", "hclk"; - clocks = <&prci PRCI_CLK_GEMGXLPLL>, - <&prci PRCI_CLK_GEMGXLPLL>; + clocks = <&prci FU740_PRCI_CLK_GEMGXLPLL>, + <&prci FU740_PRCI_CLK_GEMGXLPLL>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -252,7 +252,7 @@ reg = <0x0 0x10020000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <44>, <45>, <46>, <47>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; #pwm-cells = <3>; status = "disabled"; }; @@ -261,7 +261,7 @@ reg = <0x0 0x10021000 0x0 0x1000>; interrupt-parent = <&plic0>; interrupts = <48>, <49>, <50>, <51>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; #pwm-cells = <3>; status = "disabled"; }; @@ -287,7 +287,7 @@ #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; - clocks = <&prci PRCI_CLK_PCLK>; + clocks = <&prci FU740_PRCI_CLK_PCLK>; status = "disabled"; }; pcie@e00000000 { @@ -316,7 +316,7 @@ <0x0 0x0 0x0 0x3 &plic0 59>, <0x0 0x0 0x0 0x4 &plic0 60>; clock-names = "pcie_aux"; - clocks = <&prci PRCI_CLK_PCIE_AUX>; + clocks = <&prci FU740_PRCI_CLK_PCIE_AUX>; pwren-gpios = <&gpio 5 0>; reset-gpios = <&gpio 8 0>; resets = <&prci 4>; diff --git a/drivers/clk/sifive/Makefile b/drivers/clk/sifive/Makefile index 7b06fc04e6b3..efdf01f1c8d5 100644 --- a/drivers/clk/sifive/Makefile +++ b/drivers/clk/sifive/Makefile @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_CLK_SIFIVE_PRCI) += sifive-prci.o fu540-prci.o fu740-prci.o +obj-$(CONFIG_CLK_SIFIVE_PRCI) += sifive-prci.o diff --git a/drivers/clk/sifive/fu540-prci.c b/drivers/clk/sifive/fu540-prci.c deleted file mode 100644 index 29bab915003c..000000000000 --- a/drivers/clk/sifive/fu540-prci.c +++ /dev/null @@ -1,89 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2018-2019 SiFive, Inc. - * Copyright (C) 2018-2019 Wesley Terpstra - * Copyright (C) 2018-2019 Paul Walmsley - * Copyright (C) 2020 Zong Li - * - * The FU540 PRCI implements clock and reset control for the SiFive - * FU540-C000 chip. This driver assumes that it has sole control - * over all PRCI resources. - * - * This driver is based on the PRCI driver written by Wesley Terpstra: - * https://github.com/riscv/riscv-linux/commit/999529edf517ed75b56659d456d221b2ee56bb60 - * - * References: - * - SiFive FU540-C000 manual v1p0, Chapter 7 "Clocking and Reset" - */ - -#include <linux/module.h> - -#include <dt-bindings/clock/sifive-fu540-prci.h> - -#include "fu540-prci.h" -#include "sifive-prci.h" - -/* PRCI integration data for each WRPLL instance */ - -static struct __prci_wrpll_data __prci_corepll_data = { - .cfg0_offs = PRCI_COREPLLCFG0_OFFSET, - .cfg1_offs = PRCI_COREPLLCFG1_OFFSET, - .enable_bypass = sifive_prci_coreclksel_use_hfclk, - .disable_bypass = sifive_prci_coreclksel_use_corepll, -}; - -static struct __prci_wrpll_data __prci_ddrpll_data = { - .cfg0_offs = PRCI_DDRPLLCFG0_OFFSET, - .cfg1_offs = PRCI_DDRPLLCFG1_OFFSET, -}; - -static struct __prci_wrpll_data __prci_gemgxlpll_data = { - .cfg0_offs = PRCI_GEMGXLPLLCFG0_OFFSET, - .cfg1_offs = PRCI_GEMGXLPLLCFG1_OFFSET, -}; - -/* Linux clock framework integration */ - -static const struct clk_ops sifive_fu540_prci_wrpll_clk_ops = { - .set_rate = sifive_prci_wrpll_set_rate, - .round_rate = sifive_prci_wrpll_round_rate, - .recalc_rate = sifive_prci_wrpll_recalc_rate, - .enable = sifive_prci_clock_enable, - .disable = sifive_prci_clock_disable, - .is_enabled = sifive_clk_is_enabled, -}; - -static const struct clk_ops sifive_fu540_prci_wrpll_ro_clk_ops = { - .recalc_rate = sifive_prci_wrpll_recalc_rate, -}; - -static const struct clk_ops sifive_fu540_prci_tlclksel_clk_ops = { - .recalc_rate = sifive_prci_tlclksel_recalc_rate, -}; - -/* List of clock controls provided by the PRCI */ -struct __prci_clock __prci_init_clocks_fu540[] = { - [PRCI_CLK_COREPLL] = { - .name = "corepll", - .parent_name = "hfclk", - .ops = &sifive_fu540_prci_wrpll_clk_ops, - .pwd = &__prci_corepll_data, - }, - [PRCI_CLK_DDRPLL] = { - .name = "ddrpll", - .parent_name = "hfclk", - .ops = &sifive_fu540_prci_wrpll_ro_clk_ops, - .pwd = &__prci_ddrpll_data, - }, - [PRCI_CLK_GEMGXLPLL] = { - .name = "gemgxlpll", - .parent_name = "hfclk", - .ops = &sifive_fu540_prci_wrpll_clk_ops, - .pwd = &__prci_gemgxlpll_data, - }, - [PRCI_CLK_TLCLK] = { - .name = "tlclk", - .parent_name = "corepll", - .ops = &sifive_fu540_prci_tlclksel_clk_ops, - }, -}; diff --git a/drivers/clk/sifive/fu540-prci.h b/drivers/clk/sifive/fu540-prci.h index c220677dc010..e0173324f3c5 100644 --- a/drivers/clk/sifive/fu540-prci.h +++ b/drivers/clk/sifive/fu540-prci.h @@ -1,16 +1,99 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (C) 2020 SiFive, Inc. - * Zong Li + * Copyright (C) 2018-2021 SiFive, Inc. + * Copyright (C) 2018-2019 Wesley Terpstra + * Copyright (C) 2018-2019 Paul Walmsley + * Copyright (C) 2020-2021 Zong Li + * + * The FU540 PRCI implements clock and reset control for the SiFive + * FU540-C000 chip. This driver assumes that it has sole control + * over all PRCI resources. + * + * This driver is based on the PRCI driver written by Wesley Terpstra: + * https://github.com/riscv/riscv-linux/commit/999529edf517ed75b56659d456d221b2ee56bb60 + * + * References: + * - SiFive FU540-C000 manual v1p0, Chapter 7 "Clocking and Reset" */ #ifndef __SIFIVE_CLK_FU540_PRCI_H #define __SIFIVE_CLK_FU540_PRCI_H + +#include <linux/module.h> + +#include <dt-bindings/clock/sifive-fu540-prci.h> + #include "sifive-prci.h" -#define NUM_CLOCK_FU540 4 +/* PRCI integration data for each WRPLL instance */ + +static struct __prci_wrpll_data sifive_fu540_prci_corepll_data = { + .cfg0_offs = PRCI_COREPLLCFG0_OFFSET, + .cfg1_offs = PRCI_COREPLLCFG1_OFFSET, + .enable_bypass = sifive_prci_coreclksel_use_hfclk, + .disable_bypass = sifive_prci_coreclksel_use_corepll, +}; + +static struct __prci_wrpll_data sifive_fu540_prci_ddrpll_data = { + .cfg0_offs = PRCI_DDRPLLCFG0_OFFSET, + .cfg1_offs = PRCI_DDRPLLCFG1_OFFSET, +}; + +static struct __prci_wrpll_data sifive_fu540_prci_gemgxlpll_data = { + .cfg0_offs = PRCI_GEMGXLPLLCFG0_OFFSET, + .cfg1_offs = PRCI_GEMGXLPLLCFG1_OFFSET, +}; + +/* Linux clock framework integration */ + +static const struct clk_ops sifive_fu540_prci_wrpll_clk_ops = { + .set_rate = sifive_prci_wrpll_set_rate, + .round_rate = sifive_prci_wrpll_round_rate, + .recalc_rate = sifive_prci_wrpll_recalc_rate, + .enable = sifive_prci_clock_enable, + .disable = sifive_prci_clock_disable, + .is_enabled = sifive_clk_is_enabled, +}; + +static const struct clk_ops sifive_fu540_prci_wrpll_ro_clk_ops = { + .recalc_rate = sifive_prci_wrpll_recalc_rate, +}; + +static const struct clk_ops sifive_fu540_prci_tlclksel_clk_ops = { + .recalc_rate = sifive_prci_tlclksel_recalc_rate, +}; + +/* List of clock controls provided by the PRCI */ +static struct __prci_clock __prci_init_clocks_fu540[] = { + [FU540_PRCI_CLK_COREPLL] = { + .name = "corepll", + .parent_name = "hfclk", + .ops = &sifive_fu540_prci_wrpll_clk_ops, + .pwd = &sifive_fu540_prci_corepll_data, + }, + [FU540_PRCI_CLK_DDRPLL] = { + .name = "ddrpll", + .parent_name = "hfclk", + .ops = &sifive_fu540_prci_wrpll_ro_clk_ops, + .pwd = &sifive_fu540_prci_ddrpll_data, + }, + [FU540_PRCI_CLK_GEMGXLPLL] = { + .name = "gemgxlpll", + .parent_name = "hfclk", + .ops = &sifive_fu540_prci_wrpll_clk_ops, + .pwd = &sifive_fu540_prci_gemgxlpll_data, + }, + [FU540_PRCI_CLK_TLCLK] = { + .name = "tlclk", + .parent_name = "corepll", + .ops = &sifive_fu540_prci_tlclksel_clk_ops, + }, +}; -extern struct __prci_clock __prci_init_clocks_fu540[NUM_CLOCK_FU540]; +static const struct prci_clk_desc prci_clk_fu540 = { + .clks = __prci_init_clocks_fu540, + .num_clks = ARRAY_SIZE(__prci_init_clocks_fu540), +}; #endif /* __SIFIVE_CLK_FU540_PRCI_H */ diff --git a/drivers/clk/sifive/fu740-prci.c b/drivers/clk/sifive/fu740-prci.c deleted file mode 100644 index 53f6e00a03b9..000000000000 --- a/drivers/clk/sifive/fu740-prci.c +++ /dev/null @@ -1,134 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2020 SiFive, Inc. - * Copyright (C) 2020 Zong Li - */ - -#include <linux/module.h> - -#include <dt-bindings/clock/sifive-fu740-prci.h> - -#include "fu540-prci.h" -#include "sifive-prci.h" - -/* PRCI integration data for each WRPLL instance */ - -static struct __prci_wrpll_data __prci_corepll_data = { - .cfg0_offs = PRCI_COREPLLCFG0_OFFSET, - .cfg1_offs = PRCI_COREPLLCFG1_OFFSET, - .enable_bypass = sifive_prci_coreclksel_use_hfclk, - .disable_bypass = sifive_prci_coreclksel_use_final_corepll, -}; - -static struct __prci_wrpll_data __prci_ddrpll_data = { - .cfg0_offs = PRCI_DDRPLLCFG0_OFFSET, - .cfg1_offs = PRCI_DDRPLLCFG1_OFFSET, -}; - -static struct __prci_wrpll_data __prci_gemgxlpll_data = { - .cfg0_offs = PRCI_GEMGXLPLLCFG0_OFFSET, - .cfg1_offs = PRCI_GEMGXLPLLCFG1_OFFSET, -}; - -static struct __prci_wrpll_data __prci_dvfscorepll_data = { - .cfg0_offs = PRCI_DVFSCOREPLLCFG0_OFFSET, - .cfg1_offs = PRCI_DVFSCOREPLLCFG1_OFFSET, - .enable_bypass = sifive_prci_corepllsel_use_corepll, - .disable_bypass = sifive_prci_corepllsel_use_dvfscorepll, -}; - -static struct __prci_wrpll_data __prci_hfpclkpll_data = { - .cfg0_offs = PRCI_HFPCLKPLLCFG0_OFFSET, - .cfg1_offs = PRCI_HFPCLKPLLCFG1_OFFSET, - .enable_bypass = sifive_prci_hfpclkpllsel_use_hfclk, - .disable_bypass = sifive_prci_hfpclkpllsel_use_hfpclkpll, -}; - -static struct __prci_wrpll_data __prci_cltxpll_data = { - .cfg0_offs = PRCI_CLTXPLLCFG0_OFFSET, - .cfg1_offs = PRCI_CLTXPLLCFG1_OFFSET, -}; - -/* Linux clock framework integration */ - -static const struct clk_ops sifive_fu740_prci_wrpll_clk_ops = { - .set_rate = sifive_prci_wrpll_set_rate, - .round_rate = sifive_prci_wrpll_round_rate, - .recalc_rate = sifive_prci_wrpll_recalc_rate, - .enable = sifive_prci_clock_enable, - .disable = sifive_prci_clock_disable, - .is_enabled = sifive_clk_is_enabled, -}; - -static const struct clk_ops sifive_fu740_prci_wrpll_ro_clk_ops = { - .recalc_rate = sifive_prci_wrpll_recalc_rate, -}; - -static const struct clk_ops sifive_fu740_prci_tlclksel_clk_ops = { - .recalc_rate = sifive_prci_tlclksel_recalc_rate, -}; - -static const struct clk_ops sifive_fu740_prci_hfpclkplldiv_clk_ops = { - .recalc_rate = sifive_prci_hfpclkplldiv_recalc_rate, -}; - -static const struct clk_ops sifive_fu740_prci_pcie_aux_clk_ops = { - .enable = sifive_prci_pcie_aux_clock_enable, - .disable = sifive_prci_pcie_aux_clock_disable, - .is_enabled = sifive_prci_pcie_aux_clock_is_enabled, -}; - -/* List of clock controls provided by the PRCI */ -struct __prci_clock __prci_init_clocks_fu740[] = { - [PRCI_CLK_COREPLL] = { - .name = "corepll", - .parent_name = "hfclk", - .ops = &sifive_fu740_prci_wrpll_clk_ops, - .pwd = &__prci_corepll_data, - }, - [PRCI_CLK_DDRPLL] = { - .name = "ddrpll", - .parent_name = "hfclk", - .ops = &sifive_fu740_prci_wrpll_ro_clk_ops, - .pwd = &__prci_ddrpll_data, - }, - [PRCI_CLK_GEMGXLPLL] = { - .name = "gemgxlpll", - .parent_name = "hfclk", - .ops = &sifive_fu740_prci_wrpll_clk_ops, - .pwd = &__prci_gemgxlpll_data, - }, - [PRCI_CLK_DVFSCOREPLL] = { - .name = "dvfscorepll", - .parent_name = "hfclk", - .ops = &sifive_fu740_prci_wrpll_clk_ops, - .pwd = &__prci_dvfscorepll_data, - }, - [PRCI_CLK_HFPCLKPLL] = { - .name = "hfpclkpll", - .parent_name = "hfclk", - .ops = &sifive_fu740_prci_wrpll_clk_ops, - .pwd = &__prci_hfpclkpll_data, - }, - [PRCI_CLK_CLTXPLL] = { - .name = "cltxpll", - .parent_name = "hfclk", - .ops = &sifive_fu740_prci_wrpll_clk_ops, - .pwd = &__prci_cltxpll_data, - }, - [PRCI_CLK_TLCLK] = { - .name = "tlclk", - .parent_name = "corepll", - .ops = &sifive_fu740_prci_tlclksel_clk_ops, - }, - [PRCI_CLK_PCLK] = { - .name = "pclk", - .parent_name = "hfpclkpll", - .ops = &sifive_fu740_prci_hfpclkplldiv_clk_ops, - }, - [PRCI_CLK_PCIE_AUX] = { - .name = "pcie_aux", - .parent_name = "hfclk", - .ops = &sifive_fu740_prci_pcie_aux_clk_ops, - }, -}; diff --git a/drivers/clk/sifive/fu740-prci.h b/drivers/clk/sifive/fu740-prci.h index 511a0bf7ba2b..f31cd30fc395 100644 --- a/drivers/clk/sifive/fu740-prci.h +++ b/drivers/clk/sifive/fu740-prci.h @@ -1,17 +1,139 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (C) 2020 SiFive, Inc. - * Zong Li + * Copyright (C) 2020-2021 SiFive, Inc. + * Copyright (C) 2020-2021 Zong Li */ #ifndef __SIFIVE_CLK_FU740_PRCI_H #define __SIFIVE_CLK_FU740_PRCI_H +#include <linux/module.h> + +#include <dt-bindings/clock/sifive-fu740-prci.h> + #include "sifive-prci.h" -#define NUM_CLOCK_FU740 9 +/* PRCI integration data for each WRPLL instance */ + +static struct __prci_wrpll_data sifive_fu740_prci_corepll_data = { + .cfg0_offs = PRCI_COREPLLCFG0_OFFSET, + .cfg1_offs = PRCI_COREPLLCFG1_OFFSET, + .enable_bypass = sifive_prci_coreclksel_use_hfclk, + .disable_bypass = sifive_prci_coreclksel_use_final_corepll, +}; + +static struct __prci_wrpll_data sifive_fu740_prci_ddrpll_data = { + .cfg0_offs = PRCI_DDRPLLCFG0_OFFSET, + .cfg1_offs = PRCI_DDRPLLCFG1_OFFSET, +}; + +static struct __prci_wrpll_data sifive_fu740_prci_gemgxlpll_data = { + .cfg0_offs = PRCI_GEMGXLPLLCFG0_OFFSET, + .cfg1_offs = PRCI_GEMGXLPLLCFG1_OFFSET, +}; + +static struct __prci_wrpll_data sifive_fu740_prci_dvfscorepll_data = { + .cfg0_offs = PRCI_DVFSCOREPLLCFG0_OFFSET, + .cfg1_offs = PRCI_DVFSCOREPLLCFG1_OFFSET, + .enable_bypass = sifive_prci_corepllsel_use_corepll, + .disable_bypass = sifive_prci_corepllsel_use_dvfscorepll, +}; + +static struct __prci_wrpll_data sifive_fu740_prci_hfpclkpll_data = { + .cfg0_offs = PRCI_HFPCLKPLLCFG0_OFFSET, + .cfg1_offs = PRCI_HFPCLKPLLCFG1_OFFSET, + .enable_bypass = sifive_prci_hfpclkpllsel_use_hfclk, + .disable_bypass = sifive_prci_hfpclkpllsel_use_hfpclkpll, +}; + +static struct __prci_wrpll_data sifive_fu740_prci_cltxpll_data = { + .cfg0_offs = PRCI_CLTXPLLCFG0_OFFSET, + .cfg1_offs = PRCI_CLTXPLLCFG1_OFFSET, +}; + +/* Linux clock framework integration */ + +static const struct clk_ops sifive_fu740_prci_wrpll_clk_ops = { + .set_rate = sifive_prci_wrpll_set_rate, + .round_rate = sifive_prci_wrpll_round_rate, + .recalc_rate = sifive_prci_wrpll_recalc_rate, + .enable = sifive_prci_clock_enable, + .disable = sifive_prci_clock_disable, + .is_enabled = sifive_clk_is_enabled, +}; -extern struct __prci_clock __prci_init_clocks_fu740[NUM_CLOCK_FU740]; +static const struct clk_ops sifive_fu740_prci_wrpll_ro_clk_ops = { + .recalc_rate = sifive_prci_wrpll_recalc_rate, +}; + +static const struct clk_ops sifive_fu740_prci_tlclksel_clk_ops = { + .recalc_rate = sifive_prci_tlclksel_recalc_rate, +}; + +static const struct clk_ops sifive_fu740_prci_hfpclkplldiv_clk_ops = { + .recalc_rate = sifive_prci_hfpclkplldiv_recalc_rate, +}; + +static const struct clk_ops sifive_fu740_prci_pcie_aux_clk_ops = { + .enable = sifive_prci_pcie_aux_clock_enable, + .disable = sifive_prci_pcie_aux_clock_disable, + .is_enabled = sifive_prci_pcie_aux_clock_is_enabled, +}; + +/* List of clock controls provided by the PRCI */ +static struct __prci_clock __prci_init_clocks_fu740[] = { + [FU740_PRCI_CLK_COREPLL] = { + .name = "corepll", + .parent_name = "hfclk", + .ops = &sifive_fu740_prci_wrpll_clk_ops, + .pwd = &sifive_fu740_prci_corepll_data, + }, + [FU740_PRCI_CLK_DDRPLL] = { + .name = "ddrpll", + .parent_name = "hfclk", + .ops = &sifive_fu740_prci_wrpll_ro_clk_ops, + .pwd = &sifive_fu740_prci_ddrpll_data, + }, + [FU740_PRCI_CLK_GEMGXLPLL] = { + .name = "gemgxlpll", + .parent_name = "hfclk", + .ops = &sifive_fu740_prci_wrpll_clk_ops, + .pwd = &sifive_fu740_prci_gemgxlpll_data, + }, + [FU740_PRCI_CLK_DVFSCOREPLL] = { + .name = "dvfscorepll", + .parent_name = "hfclk", + .ops = &sifive_fu740_prci_wrpll_clk_ops, + .pwd = &sifive_fu740_prci_dvfscorepll_data, + }, + [FU740_PRCI_CLK_HFPCLKPLL] = { + .name = "hfpclkpll", + .parent_name = "hfclk", + .ops = &sifive_fu740_prci_wrpll_clk_ops, + .pwd = &sifive_fu740_prci_hfpclkpll_data, + }, + [FU740_PRCI_CLK_CLTXPLL] = { + .name = "cltxpll", + .parent_name = "hfclk", + .ops = &sifive_fu740_prci_wrpll_clk_ops, + .pwd = &sifive_fu740_prci_cltxpll_data, + }, + [FU740_PRCI_CLK_TLCLK] = { + .name = "tlclk", + .parent_name = "corepll", + .ops = &sifive_fu740_prci_tlclksel_clk_ops, + }, + [FU740_PRCI_CLK_PCLK] = { + .name = "pclk", + .parent_name = "hfpclkpll", + .ops = &sifive_fu740_prci_hfpclkplldiv_clk_ops, + }, + [FU740_PRCI_CLK_PCIE_AUX] = { + .name = "pcie_aux", + .parent_name = "hfclk", + .ops = &sifive_fu740_prci_pcie_aux_clk_ops, + }, +}; static const struct prci_clk_desc prci_clk_fu740 = { .clks = __prci_init_clocks_fu740, diff --git a/drivers/clk/sifive/sifive-prci.c b/drivers/clk/sifive/sifive-prci.c index 80a288c59e56..916d2fc28b9c 100644 --- a/drivers/clk/sifive/sifive-prci.c +++ b/drivers/clk/sifive/sifive-prci.c @@ -12,11 +12,6 @@ #include "fu540-prci.h" #include "fu740-prci.h" -static const struct prci_clk_desc prci_clk_fu540 = { - .clks = __prci_init_clocks_fu540, - .num_clks = ARRAY_SIZE(__prci_init_clocks_fu540), -}; - /* * Private functions */ diff --git a/drivers/clk/visconti/clkc-tmpv770x.c b/drivers/clk/visconti/clkc-tmpv770x.c index c2b2f41a85a4..6c753b2cb558 100644 --- a/drivers/clk/visconti/clkc-tmpv770x.c +++ b/drivers/clk/visconti/clkc-tmpv770x.c @@ -176,7 +176,7 @@ static const struct visconti_clk_gate_table clk_gate_tables[] = { { TMPV770X_CLK_WRCK, "wrck", clks_parent_data, ARRAY_SIZE(clks_parent_data), 0, 0x68, 0x168, 9, 32, - -1, }, /* No reset */ + NO_RESET, }, { TMPV770X_CLK_PICKMON, "pickmon", clks_parent_data, ARRAY_SIZE(clks_parent_data), 0, 0x10, 0x110, 8, 4, diff --git a/drivers/clk/visconti/clkc.c b/drivers/clk/visconti/clkc.c index 56a8a4ffebca..d0b193b5d0b3 100644 --- a/drivers/clk/visconti/clkc.c +++ b/drivers/clk/visconti/clkc.c @@ -147,7 +147,7 @@ int visconti_clk_register_gates(struct visconti_clk_provider *ctx, if (!dev_name) return -ENOMEM; - if (clks[i].rs_id >= 0) { + if (clks[i].rs_id != NO_RESET) { rson_offset = reset[clks[i].rs_id].rson_offset; rsoff_offset = reset[clks[i].rs_id].rsoff_offset; rs_idx = reset[clks[i].rs_id].rs_idx; diff --git a/drivers/clk/visconti/clkc.h b/drivers/clk/visconti/clkc.h index 09ed82ff64e4..8756a1ec42ef 100644 --- a/drivers/clk/visconti/clkc.h +++ b/drivers/clk/visconti/clkc.h @@ -73,4 +73,7 @@ int visconti_clk_register_gates(struct visconti_clk_provider *data, int num_gate, const struct visconti_reset_data *reset, spinlock_t *lock); + +#define NO_RESET 0xFF + #endif /* _VISCONTI_CLKC_H_ */ diff --git a/include/dt-bindings/clock/sifive-fu540-prci.h b/include/dt-bindings/clock/sifive-fu540-prci.h index 3b21d0522c91..5af372e8385f 100644 --- a/include/dt-bindings/clock/sifive-fu540-prci.h +++ b/include/dt-bindings/clock/sifive-fu540-prci.h @@ -10,9 +10,9 @@ /* Clock indexes for use by Device Tree data and the PRCI driver */ -#define PRCI_CLK_COREPLL 0 -#define PRCI_CLK_DDRPLL 1 -#define PRCI_CLK_GEMGXLPLL 2 -#define PRCI_CLK_TLCLK 3 +#define FU540_PRCI_CLK_COREPLL 0 +#define FU540_PRCI_CLK_DDRPLL 1 +#define FU540_PRCI_CLK_GEMGXLPLL 2 +#define FU540_PRCI_CLK_TLCLK 3 #endif diff --git a/include/dt-bindings/clock/sifive-fu740-prci.h b/include/dt-bindings/clock/sifive-fu740-prci.h index 7899b7fee7db..672bdadbf6c0 100644 --- a/include/dt-bindings/clock/sifive-fu740-prci.h +++ b/include/dt-bindings/clock/sifive-fu740-prci.h @@ -11,14 +11,14 @@ /* Clock indexes for use by Device Tree data and the PRCI driver */ -#define PRCI_CLK_COREPLL 0 -#define PRCI_CLK_DDRPLL 1 -#define PRCI_CLK_GEMGXLPLL 2 -#define PRCI_CLK_DVFSCOREPLL 3 -#define PRCI_CLK_HFPCLKPLL 4 -#define PRCI_CLK_CLTXPLL 5 -#define PRCI_CLK_TLCLK 6 -#define PRCI_CLK_PCLK 7 -#define PRCI_CLK_PCIE_AUX 8 +#define FU740_PRCI_CLK_COREPLL 0 +#define FU740_PRCI_CLK_DDRPLL 1 +#define FU740_PRCI_CLK_GEMGXLPLL 2 +#define FU740_PRCI_CLK_DVFSCOREPLL 3 +#define FU740_PRCI_CLK_HFPCLKPLL 4 +#define FU740_PRCI_CLK_CLTXPLL 5 +#define FU740_PRCI_CLK_TLCLK 6 +#define FU740_PRCI_CLK_PCLK 7 +#define FU740_PRCI_CLK_PCIE_AUX 8 #endif /* __DT_BINDINGS_CLOCK_SIFIVE_FU740_PRCI_H */ |