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authorStephen Boyd <sboyd@codeaurora.org>2016-11-18 02:07:23 +0300
committerStephen Boyd <sboyd@codeaurora.org>2016-11-18 02:07:23 +0300
commit9baabf4341a8f86ed42904c328eef88fa387da57 (patch)
tree6002c4fde947146b53eb5f764162c0921b571823 /drivers
parent54fd1b3bc4bc184a546191a1ebd9f17444c3afea (diff)
parent9127d54bb89471592b3c8af6c6273c21db6de6a6 (diff)
downloadlinux-9baabf4341a8f86ed42904c328eef88fa387da57.tar.xz
Merge tag 'clk-renesas-for-v4.10-tag3' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next
Pull more clk driver updates from Geert Uytterhoeven: - CSI2 and VIN clocks for R-Car M3-W, - Clock drivers for new RZ/G1M and RZ/G1E SoCs, - Minor bug fix for R-Car H3. * tag 'clk-renesas-for-v4.10-tag3' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers: clk: renesas: cpg-mssr: Add R8A7745 support clk: renesas: cpg-mssr: Add R8A7743 support clk: renesas: cpg-mssr: Add common R-Car Gen2 support clk: renesas: r8a7795: Fix HDMI parent clock clk: renesas: r8a7796: Add VIN clocks clk: renesas: r8a7796: Add CSI2 clocks
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/renesas/Kconfig2
-rw-r--r--drivers/clk/renesas/Makefile2
-rw-r--r--drivers/clk/renesas/r8a7743-cpg-mssr.c270
-rw-r--r--drivers/clk/renesas/r8a7745-cpg-mssr.c259
-rw-r--r--drivers/clk/renesas/r8a7795-cpg-mssr.c2
-rw-r--r--drivers/clk/renesas/r8a7796-cpg-mssr.c12
-rw-r--r--drivers/clk/renesas/rcar-gen2-cpg.c371
-rw-r--r--drivers/clk/renesas/rcar-gen2-cpg.h43
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.c12
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.h2
10 files changed, 974 insertions, 1 deletions
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig
index 41a12d376799..2586dfa0026b 100644
--- a/drivers/clk/renesas/Kconfig
+++ b/drivers/clk/renesas/Kconfig
@@ -1,5 +1,7 @@
config CLK_RENESAS_CPG_MSSR
bool
+ default y if ARCH_R8A7743
+ default y if ARCH_R8A7745
default y if ARCH_R8A7795
default y if ARCH_R8A7796
diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
index 90dd0db7d9c6..1072f7653c0c 100644
--- a/drivers/clk/renesas/Makefile
+++ b/drivers/clk/renesas/Makefile
@@ -2,6 +2,8 @@ obj-$(CONFIG_ARCH_EMEV2) += clk-emev2.o
obj-$(CONFIG_ARCH_R7S72100) += clk-rz.o
obj-$(CONFIG_ARCH_R8A73A4) += clk-r8a73a4.o clk-div6.o
obj-$(CONFIG_ARCH_R8A7740) += clk-r8a7740.o clk-div6.o
+obj-$(CONFIG_ARCH_R8A7743) += r8a7743-cpg-mssr.o rcar-gen2-cpg.o
+obj-$(CONFIG_ARCH_R8A7745) += r8a7745-cpg-mssr.o rcar-gen2-cpg.o
obj-$(CONFIG_ARCH_R8A7778) += clk-r8a7778.o
obj-$(CONFIG_ARCH_R8A7779) += clk-r8a7779.o
obj-$(CONFIG_ARCH_R8A7790) += clk-rcar-gen2.o clk-div6.o
diff --git a/drivers/clk/renesas/r8a7743-cpg-mssr.c b/drivers/clk/renesas/r8a7743-cpg-mssr.c
new file mode 100644
index 000000000000..6dc0b3082aa6
--- /dev/null
+++ b/drivers/clk/renesas/r8a7743-cpg-mssr.c
@@ -0,0 +1,270 @@
+/*
+ * r8a7743 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation; of the License.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/soc/renesas/rcar-rst.h>
+
+#include <dt-bindings/clock/r8a7743-cpg-mssr.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen2-cpg.h"
+
+enum clk_ids {
+ /* Core Clock Outputs exported to DT */
+ LAST_DT_CORE_CLK = R8A7743_CLK_OSC,
+
+ /* External Input Clocks */
+ CLK_EXTAL,
+ CLK_USB_EXTAL,
+
+ /* Internal Core Clocks */
+ CLK_MAIN,
+ CLK_PLL0,
+ CLK_PLL1,
+ CLK_PLL3,
+ CLK_PLL1_DIV2,
+
+ /* Module Clocks */
+ MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a7743_core_clks[] __initconst = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+ DEF_INPUT("usb_extal", CLK_USB_EXTAL),
+
+ /* Internal Core Clocks */
+ DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL),
+ DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN),
+ DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN),
+ DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN),
+
+ DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
+
+ /* Core Clock Outputs */
+ DEF_BASE("z", R8A7743_CLK_Z, CLK_TYPE_GEN2_Z, CLK_PLL0),
+ DEF_BASE("lb", R8A7743_CLK_LB, CLK_TYPE_GEN2_LB, CLK_PLL1),
+ DEF_BASE("sdh", R8A7743_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1),
+ DEF_BASE("sd0", R8A7743_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1),
+ DEF_BASE("qspi", R8A7743_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2),
+ DEF_BASE("rcan", R8A7743_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL),
+
+ DEF_FIXED("zg", R8A7743_CLK_ZG, CLK_PLL1, 3, 1),
+ DEF_FIXED("zx", R8A7743_CLK_ZX, CLK_PLL1, 3, 1),
+ DEF_FIXED("zs", R8A7743_CLK_ZS, CLK_PLL1, 6, 1),
+ DEF_FIXED("hp", R8A7743_CLK_HP, CLK_PLL1, 12, 1),
+ DEF_FIXED("b", R8A7743_CLK_B, CLK_PLL1, 12, 1),
+ DEF_FIXED("p", R8A7743_CLK_P, CLK_PLL1, 24, 1),
+ DEF_FIXED("cl", R8A7743_CLK_CL, CLK_PLL1, 48, 1),
+ DEF_FIXED("m2", R8A7743_CLK_M2, CLK_PLL1, 8, 1),
+ DEF_FIXED("zb3", R8A7743_CLK_ZB3, CLK_PLL3, 4, 1),
+ DEF_FIXED("zb3d2", R8A7743_CLK_ZB3D2, CLK_PLL3, 8, 1),
+ DEF_FIXED("ddr", R8A7743_CLK_DDR, CLK_PLL3, 8, 1),
+ DEF_FIXED("mp", R8A7743_CLK_MP, CLK_PLL1_DIV2, 15, 1),
+ DEF_FIXED("cp", R8A7743_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("r", R8A7743_CLK_R, CLK_PLL1, 49152, 1),
+ DEF_FIXED("osc", R8A7743_CLK_OSC, CLK_PLL1, 12288, 1),
+
+ DEF_DIV6P1("sd2", R8A7743_CLK_SD2, CLK_PLL1_DIV2, 0x078),
+ DEF_DIV6P1("sd3", R8A7743_CLK_SD3, CLK_PLL1_DIV2, 0x26c),
+ DEF_DIV6P1("mmc0", R8A7743_CLK_MMC0, CLK_PLL1_DIV2, 0x240),
+};
+
+static const struct mssr_mod_clk r8a7743_mod_clks[] __initconst = {
+ DEF_MOD("msiof0", 0, R8A7743_CLK_MP),
+ DEF_MOD("vcp0", 101, R8A7743_CLK_ZS),
+ DEF_MOD("vpc0", 103, R8A7743_CLK_ZS),
+ DEF_MOD("tmu1", 111, R8A7743_CLK_P),
+ DEF_MOD("3dg", 112, R8A7743_CLK_ZG),
+ DEF_MOD("2d-dmac", 115, R8A7743_CLK_ZS),
+ DEF_MOD("fdp1-1", 118, R8A7743_CLK_ZS),
+ DEF_MOD("fdp1-0", 119, R8A7743_CLK_ZS),
+ DEF_MOD("tmu3", 121, R8A7743_CLK_P),
+ DEF_MOD("tmu2", 122, R8A7743_CLK_P),
+ DEF_MOD("cmt0", 124, R8A7743_CLK_R),
+ DEF_MOD("tmu0", 125, R8A7743_CLK_CP),
+ DEF_MOD("vsp1du1", 127, R8A7743_CLK_ZS),
+ DEF_MOD("vsp1du0", 128, R8A7743_CLK_ZS),
+ DEF_MOD("vsp1-sy", 131, R8A7743_CLK_ZS),
+ DEF_MOD("scifa2", 202, R8A7743_CLK_MP),
+ DEF_MOD("scifa1", 203, R8A7743_CLK_MP),
+ DEF_MOD("scifa0", 204, R8A7743_CLK_MP),
+ DEF_MOD("msiof2", 205, R8A7743_CLK_MP),
+ DEF_MOD("scifb0", 206, R8A7743_CLK_MP),
+ DEF_MOD("scifb1", 207, R8A7743_CLK_MP),
+ DEF_MOD("msiof1", 208, R8A7743_CLK_MP),
+ DEF_MOD("scifb2", 216, R8A7743_CLK_MP),
+ DEF_MOD("sys-dmac1", 218, R8A7743_CLK_ZS),
+ DEF_MOD("sys-dmac0", 219, R8A7743_CLK_ZS),
+ DEF_MOD("tpu0", 304, R8A7743_CLK_CP),
+ DEF_MOD("sdhi3", 311, R8A7743_CLK_SD3),
+ DEF_MOD("sdhi2", 312, R8A7743_CLK_SD2),
+ DEF_MOD("sdhi0", 314, R8A7743_CLK_SD0),
+ DEF_MOD("mmcif0", 315, R8A7743_CLK_MMC0),
+ DEF_MOD("iic0", 318, R8A7743_CLK_HP),
+ DEF_MOD("pciec", 319, R8A7743_CLK_MP),
+ DEF_MOD("iic1", 323, R8A7743_CLK_HP),
+ DEF_MOD("usb3.0", 328, R8A7743_CLK_MP),
+ DEF_MOD("cmt1", 329, R8A7743_CLK_R),
+ DEF_MOD("usbhs-dmac0", 330, R8A7743_CLK_HP),
+ DEF_MOD("usbhs-dmac1", 331, R8A7743_CLK_HP),
+ DEF_MOD("irqc", 407, R8A7743_CLK_CP),
+ DEF_MOD("intc-sys", 408, R8A7743_CLK_ZS),
+ DEF_MOD("audio-dmac1", 501, R8A7743_CLK_HP),
+ DEF_MOD("audio-dmac0", 502, R8A7743_CLK_HP),
+ DEF_MOD("thermal", 522, CLK_EXTAL),
+ DEF_MOD("pwm", 523, R8A7743_CLK_P),
+ DEF_MOD("usb-ehci", 703, R8A7743_CLK_MP),
+ DEF_MOD("usbhs", 704, R8A7743_CLK_HP),
+ DEF_MOD("hscif2", 713, R8A7743_CLK_ZS),
+ DEF_MOD("scif5", 714, R8A7743_CLK_P),
+ DEF_MOD("scif4", 715, R8A7743_CLK_P),
+ DEF_MOD("hscif1", 716, R8A7743_CLK_ZS),
+ DEF_MOD("hscif0", 717, R8A7743_CLK_ZS),
+ DEF_MOD("scif3", 718, R8A7743_CLK_P),
+ DEF_MOD("scif2", 719, R8A7743_CLK_P),
+ DEF_MOD("scif1", 720, R8A7743_CLK_P),
+ DEF_MOD("scif0", 721, R8A7743_CLK_P),
+ DEF_MOD("du1", 723, R8A7743_CLK_ZX),
+ DEF_MOD("du0", 724, R8A7743_CLK_ZX),
+ DEF_MOD("lvds0", 726, R8A7743_CLK_ZX),
+ DEF_MOD("ipmmu-sgx", 800, R8A7743_CLK_ZX),
+ DEF_MOD("vin2", 809, R8A7743_CLK_ZG),
+ DEF_MOD("vin1", 810, R8A7743_CLK_ZG),
+ DEF_MOD("vin0", 811, R8A7743_CLK_ZG),
+ DEF_MOD("etheravb", 812, R8A7743_CLK_HP),
+ DEF_MOD("ether", 813, R8A7743_CLK_P),
+ DEF_MOD("sata1", 814, R8A7743_CLK_ZS),
+ DEF_MOD("sata0", 815, R8A7743_CLK_ZS),
+ DEF_MOD("gpio7", 904, R8A7743_CLK_CP),
+ DEF_MOD("gpio6", 905, R8A7743_CLK_CP),
+ DEF_MOD("gpio5", 907, R8A7743_CLK_CP),
+ DEF_MOD("gpio4", 908, R8A7743_CLK_CP),
+ DEF_MOD("gpio3", 909, R8A7743_CLK_CP),
+ DEF_MOD("gpio2", 910, R8A7743_CLK_CP),
+ DEF_MOD("gpio1", 911, R8A7743_CLK_CP),
+ DEF_MOD("gpio0", 912, R8A7743_CLK_CP),
+ DEF_MOD("can1", 915, R8A7743_CLK_P),
+ DEF_MOD("can0", 916, R8A7743_CLK_P),
+ DEF_MOD("qspi_mod", 917, R8A7743_CLK_QSPI),
+ DEF_MOD("i2c5", 925, R8A7743_CLK_HP),
+ DEF_MOD("iicdvfs", 926, R8A7743_CLK_CP),
+ DEF_MOD("i2c4", 927, R8A7743_CLK_HP),
+ DEF_MOD("i2c3", 928, R8A7743_CLK_HP),
+ DEF_MOD("i2c2", 929, R8A7743_CLK_HP),
+ DEF_MOD("i2c1", 930, R8A7743_CLK_HP),
+ DEF_MOD("i2c0", 931, R8A7743_CLK_HP),
+ DEF_MOD("ssi-all", 1005, R8A7743_CLK_P),
+ DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
+ DEF_MOD("scu-all", 1017, R8A7743_CLK_P),
+ DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
+ DEF_MOD("scifa3", 1106, R8A7743_CLK_MP),
+ DEF_MOD("scifa4", 1107, R8A7743_CLK_MP),
+ DEF_MOD("scifa5", 1108, R8A7743_CLK_MP),
+};
+
+static const unsigned int r8a7743_crit_mod_clks[] __initconst = {
+ MOD_CLK_ID(408), /* INTC-SYS (GIC) */
+};
+
+/*
+ * CPG Clock Data
+ */
+
+/*
+ * MD EXTAL PLL0 PLL1 PLL3
+ * 14 13 19 (MHz) *1 *1
+ *---------------------------------------------------
+ * 0 0 0 15 x172/2 x208/2 x106
+ * 0 0 1 15 x172/2 x208/2 x88
+ * 0 1 0 20 x130/2 x156/2 x80
+ * 0 1 1 20 x130/2 x156/2 x66
+ * 1 0 0 26 / 2 x200/2 x240/2 x122
+ * 1 0 1 26 / 2 x200/2 x240/2 x102
+ * 1 1 0 30 / 2 x172/2 x208/2 x106
+ * 1 1 1 30 / 2 x172/2 x208/2 x88
+ *
+ * *1 : Table 7.5a indicates VCO output (PLLx = VCO/2)
+ */
+#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \
+ (((md) & BIT(13)) >> 12) | \
+ (((md) & BIT(19)) >> 19))
+
+static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = {
+ /* EXTAL div PLL1 mult PLL3 mult */
+ { 1, 208, 106, },
+ { 1, 208, 88, },
+ { 1, 156, 80, },
+ { 1, 156, 66, },
+ { 2, 240, 122, },
+ { 2, 240, 102, },
+ { 2, 208, 106, },
+ { 2, 208, 88, },
+};
+
+static int __init r8a7743_cpg_mssr_init(struct device *dev)
+{
+ const struct rcar_gen2_cpg_pll_config *cpg_pll_config;
+ u32 cpg_mode;
+ int error;
+
+ error = rcar_rst_read_mode_pins(&cpg_mode);
+ if (error)
+ return error;
+
+ cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+
+ return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode);
+}
+
+const struct cpg_mssr_info r8a7743_cpg_mssr_info __initconst = {
+ /* Core Clocks */
+ .core_clks = r8a7743_core_clks,
+ .num_core_clks = ARRAY_SIZE(r8a7743_core_clks),
+ .last_dt_core_clk = LAST_DT_CORE_CLK,
+ .num_total_core_clks = MOD_CLK_BASE,
+
+ /* Module Clocks */
+ .mod_clks = r8a7743_mod_clks,
+ .num_mod_clks = ARRAY_SIZE(r8a7743_mod_clks),
+ .num_hw_mod_clks = 12 * 32,
+
+ /* Critical Module Clocks */
+ .crit_mod_clks = r8a7743_crit_mod_clks,
+ .num_crit_mod_clks = ARRAY_SIZE(r8a7743_crit_mod_clks),
+
+ /* Callbacks */
+ .init = r8a7743_cpg_mssr_init,
+ .cpg_clk_register = rcar_gen2_cpg_clk_register,
+};
diff --git a/drivers/clk/renesas/r8a7745-cpg-mssr.c b/drivers/clk/renesas/r8a7745-cpg-mssr.c
new file mode 100644
index 000000000000..2f15ba786c3b
--- /dev/null
+++ b/drivers/clk/renesas/r8a7745-cpg-mssr.c
@@ -0,0 +1,259 @@
+/*
+ * r8a7745 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation; of the License.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/soc/renesas/rcar-rst.h>
+
+#include <dt-bindings/clock/r8a7745-cpg-mssr.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen2-cpg.h"
+
+enum clk_ids {
+ /* Core Clock Outputs exported to DT */
+ LAST_DT_CORE_CLK = R8A7745_CLK_OSC,
+
+ /* External Input Clocks */
+ CLK_EXTAL,
+ CLK_USB_EXTAL,
+
+ /* Internal Core Clocks */
+ CLK_MAIN,
+ CLK_PLL0,
+ CLK_PLL1,
+ CLK_PLL3,
+ CLK_PLL1_DIV2,
+
+ /* Module Clocks */
+ MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a7745_core_clks[] __initconst = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+ DEF_INPUT("usb_extal", CLK_USB_EXTAL),
+
+ /* Internal Core Clocks */
+ DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL),
+ DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN),
+ DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN),
+ DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN),
+
+ DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
+
+ /* Core Clock Outputs */
+ DEF_BASE("lb", R8A7745_CLK_LB, CLK_TYPE_GEN2_LB, CLK_PLL1),
+ DEF_BASE("sdh", R8A7745_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1),
+ DEF_BASE("sd0", R8A7745_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1),
+ DEF_BASE("qspi", R8A7745_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2),
+ DEF_BASE("rcan", R8A7745_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL),
+
+ DEF_FIXED("z2", R8A7745_CLK_Z2, CLK_PLL0, 1, 1),
+ DEF_FIXED("zg", R8A7745_CLK_ZG, CLK_PLL1, 6, 1),
+ DEF_FIXED("zx", R8A7745_CLK_ZX, CLK_PLL1, 3, 1),
+ DEF_FIXED("zs", R8A7745_CLK_ZS, CLK_PLL1, 6, 1),
+ DEF_FIXED("hp", R8A7745_CLK_HP, CLK_PLL1, 12, 1),
+ DEF_FIXED("b", R8A7745_CLK_B, CLK_PLL1, 12, 1),
+ DEF_FIXED("p", R8A7745_CLK_P, CLK_PLL1, 24, 1),
+ DEF_FIXED("cl", R8A7745_CLK_CL, CLK_PLL1, 48, 1),
+ DEF_FIXED("cp", R8A7745_CLK_CP, CLK_PLL1, 48, 1),
+ DEF_FIXED("m2", R8A7745_CLK_M2, CLK_PLL1, 8, 1),
+ DEF_FIXED("zb3", R8A7745_CLK_ZB3, CLK_PLL3, 4, 1),
+ DEF_FIXED("zb3d2", R8A7745_CLK_ZB3D2, CLK_PLL3, 8, 1),
+ DEF_FIXED("ddr", R8A7745_CLK_DDR, CLK_PLL3, 8, 1),
+ DEF_FIXED("mp", R8A7745_CLK_MP, CLK_PLL1_DIV2, 15, 1),
+ DEF_FIXED("cpex", R8A7745_CLK_CPEX, CLK_EXTAL, 2, 1),
+ DEF_FIXED("r", R8A7745_CLK_R, CLK_PLL1, 49152, 1),
+ DEF_FIXED("osc", R8A7745_CLK_OSC, CLK_PLL1, 12288, 1),
+
+ DEF_DIV6P1("sd2", R8A7745_CLK_SD2, CLK_PLL1_DIV2, 0x078),
+ DEF_DIV6P1("sd3", R8A7745_CLK_SD3, CLK_PLL1_DIV2, 0x26c),
+ DEF_DIV6P1("mmc0", R8A7745_CLK_MMC0, CLK_PLL1_DIV2, 0x240),
+};
+
+static const struct mssr_mod_clk r8a7745_mod_clks[] __initconst = {
+ DEF_MOD("msiof0", 0, R8A7745_CLK_MP),
+ DEF_MOD("vcp0", 101, R8A7745_CLK_ZS),
+ DEF_MOD("vpc0", 103, R8A7745_CLK_ZS),
+ DEF_MOD("tmu1", 111, R8A7745_CLK_P),
+ DEF_MOD("3dg", 112, R8A7745_CLK_ZG),
+ DEF_MOD("2d-dmac", 115, R8A7745_CLK_ZS),
+ DEF_MOD("fdp1-0", 119, R8A7745_CLK_ZS),
+ DEF_MOD("tmu3", 121, R8A7745_CLK_P),
+ DEF_MOD("tmu2", 122, R8A7745_CLK_P),
+ DEF_MOD("cmt0", 124, R8A7745_CLK_R),
+ DEF_MOD("tmu0", 125, R8A7745_CLK_CP),
+ DEF_MOD("vsp1du0", 128, R8A7745_CLK_ZS),
+ DEF_MOD("vsp1-sy", 131, R8A7745_CLK_ZS),
+ DEF_MOD("scifa2", 202, R8A7745_CLK_MP),
+ DEF_MOD("scifa1", 203, R8A7745_CLK_MP),
+ DEF_MOD("scifa0", 204, R8A7745_CLK_MP),
+ DEF_MOD("msiof2", 205, R8A7745_CLK_MP),
+ DEF_MOD("scifb0", 206, R8A7745_CLK_MP),
+ DEF_MOD("scifb1", 207, R8A7745_CLK_MP),
+ DEF_MOD("msiof1", 208, R8A7745_CLK_MP),
+ DEF_MOD("scifb2", 216, R8A7745_CLK_MP),
+ DEF_MOD("sys-dmac1", 218, R8A7745_CLK_ZS),
+ DEF_MOD("sys-dmac0", 219, R8A7745_CLK_ZS),
+ DEF_MOD("tpu0", 304, R8A7745_CLK_CP),
+ DEF_MOD("sdhi3", 311, R8A7745_CLK_SD3),
+ DEF_MOD("sdhi2", 312, R8A7745_CLK_SD2),
+ DEF_MOD("sdhi0", 314, R8A7745_CLK_SD0),
+ DEF_MOD("mmcif0", 315, R8A7745_CLK_MMC0),
+ DEF_MOD("iic0", 318, R8A7745_CLK_HP),
+ DEF_MOD("iic1", 323, R8A7745_CLK_HP),
+ DEF_MOD("cmt1", 329, R8A7745_CLK_R),
+ DEF_MOD("usbhs-dmac0", 330, R8A7745_CLK_HP),
+ DEF_MOD("usbhs-dmac1", 331, R8A7745_CLK_HP),
+ DEF_MOD("irqc", 407, R8A7745_CLK_CP),
+ DEF_MOD("intc-sys", 408, R8A7745_CLK_ZS),
+ DEF_MOD("audio-dmac0", 502, R8A7745_CLK_HP),
+ DEF_MOD("pwm", 523, R8A7745_CLK_P),
+ DEF_MOD("usb-ehci", 703, R8A7745_CLK_MP),
+ DEF_MOD("usbhs", 704, R8A7745_CLK_HP),
+ DEF_MOD("hscif2", 713, R8A7745_CLK_ZS),
+ DEF_MOD("scif5", 714, R8A7745_CLK_P),
+ DEF_MOD("scif4", 715, R8A7745_CLK_P),
+ DEF_MOD("hscif1", 716, R8A7745_CLK_ZS),
+ DEF_MOD("hscif0", 717, R8A7745_CLK_ZS),
+ DEF_MOD("scif3", 718, R8A7745_CLK_P),
+ DEF_MOD("scif2", 719, R8A7745_CLK_P),
+ DEF_MOD("scif1", 720, R8A7745_CLK_P),
+ DEF_MOD("scif0", 721, R8A7745_CLK_P),
+ DEF_MOD("du0", 724, R8A7745_CLK_ZX),
+ DEF_MOD("ipmmu-sgx", 800, R8A7745_CLK_ZX),
+ DEF_MOD("vin1", 810, R8A7745_CLK_ZG),
+ DEF_MOD("vin0", 811, R8A7745_CLK_ZG),
+ DEF_MOD("etheravb", 812, R8A7745_CLK_HP),
+ DEF_MOD("ether", 813, R8A7745_CLK_P),
+ DEF_MOD("gpio6", 905, R8A7745_CLK_CP),
+ DEF_MOD("gpio5", 907, R8A7745_CLK_CP),
+ DEF_MOD("gpio4", 908, R8A7745_CLK_CP),
+ DEF_MOD("gpio3", 909, R8A7745_CLK_CP),
+ DEF_MOD("gpio2", 910, R8A7745_CLK_CP),
+ DEF_MOD("gpio1", 911, R8A7745_CLK_CP),
+ DEF_MOD("gpio0", 912, R8A7745_CLK_CP),
+ DEF_MOD("can1", 915, R8A7745_CLK_P),
+ DEF_MOD("can0", 916, R8A7745_CLK_P),
+ DEF_MOD("qspi_mod", 917, R8A7745_CLK_QSPI),
+ DEF_MOD("i2c5", 925, R8A7745_CLK_HP),
+ DEF_MOD("i2c4", 927, R8A7745_CLK_HP),
+ DEF_MOD("i2c3", 928, R8A7745_CLK_HP),
+ DEF_MOD("i2c2", 929, R8A7745_CLK_HP),
+ DEF_MOD("i2c1", 930, R8A7745_CLK_HP),
+ DEF_MOD("i2c0", 931, R8A7745_CLK_HP),
+ DEF_MOD("ssi-all", 1005, R8A7745_CLK_P),
+ DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
+ DEF_MOD("scu-all", 1017, R8A7745_CLK_P),
+ DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
+ DEF_MOD("scifa3", 1106, R8A7745_CLK_MP),
+ DEF_MOD("scifa4", 1107, R8A7745_CLK_MP),
+ DEF_MOD("scifa5", 1108, R8A7745_CLK_MP),
+};
+
+static const unsigned int r8a7745_crit_mod_clks[] __initconst = {
+ MOD_CLK_ID(408), /* INTC-SYS (GIC) */
+};
+
+/*
+ * CPG Clock Data
+ */
+
+/*
+ * MD EXTAL PLL0 PLL1 PLL3
+ * 14 13 19 (MHz) *1 *2
+ *---------------------------------------------------
+ * 0 0 0 15 x200/3 x208/2 x106
+ * 0 0 1 15 x200/3 x208/2 x88
+ * 0 1 0 20 x150/3 x156/2 x80
+ * 0 1 1 20 x150/3 x156/2 x66
+ * 1 0 0 26 / 2 x230/3 x240/2 x122
+ * 1 0 1 26 / 2 x230/3 x240/2 x102
+ * 1 1 0 30 / 2 x200/3 x208/2 x106
+ * 1 1 1 30 / 2 x200/3 x208/2 x88
+ *
+ * *1 : Table 7.5b indicates VCO output (PLL0 = VCO/3)
+ * *2 : Table 7.5b indicates VCO output (PLL1 = VCO/2)
+ */
+#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \
+ (((md) & BIT(13)) >> 12) | \
+ (((md) & BIT(19)) >> 19))
+
+static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = {
+ /* EXTAL div PLL1 mult PLL3 mult PLL0 mult */
+ { 1, 208, 106, 200 },
+ { 1, 208, 88, 200 },
+ { 1, 156, 80, 150 },
+ { 1, 156, 66, 150 },
+ { 2, 240, 122, 230 },
+ { 2, 240, 102, 230 },
+ { 2, 208, 106, 200 },
+ { 2, 208, 88, 200 },
+};
+
+static int __init r8a7745_cpg_mssr_init(struct device *dev)
+{
+ const struct rcar_gen2_cpg_pll_config *cpg_pll_config;
+ u32 cpg_mode;
+ int error;
+
+ error = rcar_rst_read_mode_pins(&cpg_mode);
+ if (error)
+ return error;
+
+ cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+
+ return rcar_gen2_cpg_init(cpg_pll_config, 3, cpg_mode);
+}
+
+const struct cpg_mssr_info r8a7745_cpg_mssr_info __initconst = {
+ /* Core Clocks */
+ .core_clks = r8a7745_core_clks,
+ .num_core_clks = ARRAY_SIZE(r8a7745_core_clks),
+ .last_dt_core_clk = LAST_DT_CORE_CLK,
+ .num_total_core_clks = MOD_CLK_BASE,
+
+ /* Module Clocks */
+ .mod_clks = r8a7745_mod_clks,
+ .num_mod_clks = ARRAY_SIZE(r8a7745_mod_clks),
+ .num_hw_mod_clks = 12 * 32,
+
+ /* Critical Module Clocks */
+ .crit_mod_clks = r8a7745_crit_mod_clks,
+ .num_crit_mod_clks = ARRAY_SIZE(r8a7745_crit_mod_clks),
+
+ /* Callbacks */
+ .init = r8a7745_cpg_mssr_init,
+ .cpg_clk_register = rcar_gen2_cpg_clk_register,
+};
diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c
index 726c3d7940b4..50698a7d9074 100644
--- a/drivers/clk/renesas/r8a7795-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
@@ -98,7 +98,7 @@ static const struct cpg_core_clk r8a7795_core_clks[] __initconst = {
DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1),
DEF_DIV6P1("mso", R8A7795_CLK_MSO, CLK_PLL1_DIV4, 0x014),
- DEF_DIV6P1("hdmi", R8A7795_CLK_HDMI, CLK_PLL1_DIV2, 0x250),
+ DEF_DIV6P1("hdmi", R8A7795_CLK_HDMI, CLK_PLL1_DIV4, 0x250),
DEF_DIV6P1("canfd", R8A7795_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
DEF_DIV6P1("csi0", R8A7795_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c
index 8fdf5537939d..7d298c57a3e0 100644
--- a/drivers/clk/renesas/r8a7796-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c
@@ -103,6 +103,8 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = {
DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1),
DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_DIV6P1("csi0", R8A7796_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
+
DEF_DIV6_RO("osc", R8A7796_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8),
DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32),
@@ -156,10 +158,20 @@ static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = {
DEF_MOD("vspd0", 623, R8A7796_CLK_S0D2),
DEF_MOD("vspb", 626, R8A7796_CLK_S0D1),
DEF_MOD("vspi0", 631, R8A7796_CLK_S0D1),
+ DEF_MOD("csi20", 714, R8A7796_CLK_CSI0),
+ DEF_MOD("csi40", 716, R8A7796_CLK_CSI0),
DEF_MOD("du2", 722, R8A7796_CLK_S2D1),
DEF_MOD("du1", 723, R8A7796_CLK_S2D1),
DEF_MOD("du0", 724, R8A7796_CLK_S2D1),
DEF_MOD("lvds", 727, R8A7796_CLK_S2D1),
+ DEF_MOD("vin7", 804, R8A7796_CLK_S0D2),
+ DEF_MOD("vin6", 805, R8A7796_CLK_S0D2),
+ DEF_MOD("vin5", 806, R8A7796_CLK_S0D2),
+ DEF_MOD("vin4", 807, R8A7796_CLK_S0D2),
+ DEF_MOD("vin3", 808, R8A7796_CLK_S0D2),
+ DEF_MOD("vin2", 809, R8A7796_CLK_S0D2),
+ DEF_MOD("vin1", 810, R8A7796_CLK_S0D2),
+ DEF_MOD("vin0", 811, R8A7796_CLK_S0D2),
DEF_MOD("etheravb", 812, R8A7796_CLK_S0D6),
DEF_MOD("gpio7", 905, R8A7796_CLK_S3D4),
DEF_MOD("gpio6", 906, R8A7796_CLK_S3D4),
diff --git a/drivers/clk/renesas/rcar-gen2-cpg.c b/drivers/clk/renesas/rcar-gen2-cpg.c
new file mode 100644
index 000000000000..123b1e622179
--- /dev/null
+++ b/drivers/clk/renesas/rcar-gen2-cpg.c
@@ -0,0 +1,371 @@
+/*
+ * R-Car Gen2 Clock Pulse Generator
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/bug.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen2-cpg.h"
+
+#define CPG_FRQCRB 0x0004
+#define CPG_FRQCRB_KICK BIT(31)
+#define CPG_SDCKCR 0x0074
+#define CPG_PLL0CR 0x00d8
+#define CPG_PLL0CR_STC_SHIFT 24
+#define CPG_PLL0CR_STC_MASK (0x7f << CPG_PLL0CR_STC_SHIFT)
+#define CPG_FRQCRC 0x00e0
+#define CPG_FRQCRC_ZFC_SHIFT 8
+#define CPG_FRQCRC_ZFC_MASK (0x1f << CPG_FRQCRC_ZFC_SHIFT)
+#define CPG_ADSPCKCR 0x025c
+#define CPG_RCANCKCR 0x0270
+
+static spinlock_t cpg_lock;
+
+/*
+ * Z Clock
+ *
+ * Traits of this clock:
+ * prepare - clk_prepare only ensures that parents are prepared
+ * enable - clk_enable only ensures that parents are enabled
+ * rate - rate is adjustable. clk->rate = parent->rate * mult / 32
+ * parent - fixed parent. No clk_set_parent support
+ */
+
+struct cpg_z_clk {
+ struct clk_hw hw;
+ void __iomem *reg;
+ void __iomem *kick_reg;
+};
+
+#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw)
+
+static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cpg_z_clk *zclk = to_z_clk(hw);
+ unsigned int mult;
+ unsigned int val;
+
+ val = (readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) >> CPG_FRQCRC_ZFC_SHIFT;
+ mult = 32 - val;
+
+ return div_u64((u64)parent_rate * mult, 32);
+}
+
+static long cpg_z_clk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ unsigned long prate = *parent_rate;
+ unsigned int mult;
+
+ if (!prate)
+ prate = 1;
+
+ mult = div_u64((u64)rate * 32, prate);
+ mult = clamp(mult, 1U, 32U);
+
+ return *parent_rate / 32 * mult;
+}
+
+static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct cpg_z_clk *zclk = to_z_clk(hw);
+ unsigned int mult;
+ u32 val, kick;
+ unsigned int i;
+
+ mult = div_u64((u64)rate * 32, parent_rate);
+ mult = clamp(mult, 1U, 32U);
+
+ if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK)
+ return -EBUSY;
+
+ val = readl(zclk->reg);
+ val &= ~CPG_FRQCRC_ZFC_MASK;
+ val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT;
+ writel(val, zclk->reg);
+
+ /*
+ * Set KICK bit in FRQCRB to update hardware setting and wait for
+ * clock change completion.
+ */
+ kick = readl(zclk->kick_reg);
+ kick |= CPG_FRQCRB_KICK;
+ writel(kick, zclk->kick_reg);
+
+ /*
+ * Note: There is no HW information about the worst case latency.
+ *
+ * Using experimental measurements, it seems that no more than
+ * ~10 iterations are needed, independently of the CPU rate.
+ * Since this value might be dependent on external xtal rate, pll1
+ * rate or even the other emulation clocks rate, use 1000 as a
+ * "super" safe value.
+ */
+ for (i = 1000; i; i--) {
+ if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK))
+ return 0;
+
+ cpu_relax();
+ }
+
+ return -ETIMEDOUT;
+}
+
+static const struct clk_ops cpg_z_clk_ops = {
+ .recalc_rate = cpg_z_clk_recalc_rate,
+ .round_rate = cpg_z_clk_round_rate,
+ .set_rate = cpg_z_clk_set_rate,
+};
+
+static struct clk * __init cpg_z_clk_register(const char *name,
+ const char *parent_name,
+ void __iomem *base)
+{
+ struct clk_init_data init;
+ struct cpg_z_clk *zclk;
+ struct clk *clk;
+
+ zclk = kzalloc(sizeof(*zclk), GFP_KERNEL);
+ if (!zclk)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &cpg_z_clk_ops;
+ init.flags = 0;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ zclk->reg = base + CPG_FRQCRC;
+ zclk->kick_reg = base + CPG_FRQCRB;
+ zclk->hw.init = &init;
+
+ clk = clk_register(NULL, &zclk->hw);
+ if (IS_ERR(clk))
+ kfree(zclk);
+
+ return clk;
+}
+
+static struct clk * __init cpg_rcan_clk_register(const char *name,
+ const char *parent_name,
+ void __iomem *base)
+{
+ struct clk_fixed_factor *fixed;
+ struct clk_gate *gate;
+ struct clk *clk;
+
+ fixed = kzalloc(sizeof(*fixed), GFP_KERNEL);
+ if (!fixed)
+ return ERR_PTR(-ENOMEM);
+
+ fixed->mult = 1;
+ fixed->div = 6;
+
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate) {
+ kfree(fixed);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ gate->reg = base + CPG_RCANCKCR;
+ gate->bit_idx = 8;
+ gate->flags = CLK_GATE_SET_TO_DISABLE;
+ gate->lock = &cpg_lock;
+
+ clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL,
+ &fixed->hw, &clk_fixed_factor_ops,
+ &gate->hw, &clk_gate_ops, 0);
+ if (IS_ERR(clk)) {
+ kfree(gate);
+ kfree(fixed);
+ }
+
+ return clk;
+}
+
+/* ADSP divisors */
+static const struct clk_div_table cpg_adsp_div_table[] = {
+ { 1, 3 }, { 2, 4 }, { 3, 6 }, { 4, 8 },
+ { 5, 12 }, { 6, 16 }, { 7, 18 }, { 8, 24 },
+ { 10, 36 }, { 11, 48 }, { 0, 0 },
+};
+
+static struct clk * __init cpg_adsp_clk_register(const char *name,
+ const char *parent_name,
+ void __iomem *base)
+{
+ struct clk_divider *div;
+ struct clk_gate *gate;
+ struct clk *clk;
+
+ div = kzalloc(sizeof(*div), GFP_KERNEL);
+ if (!div)
+ return ERR_PTR(-ENOMEM);
+
+ div->reg = base + CPG_ADSPCKCR;
+ div->width = 4;
+ div->table = cpg_adsp_div_table;
+ div->lock = &cpg_lock;
+
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate) {
+ kfree(div);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ gate->reg = base + CPG_ADSPCKCR;
+ gate->bit_idx = 8;
+ gate->flags = CLK_GATE_SET_TO_DISABLE;
+ gate->lock = &cpg_lock;
+
+ clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL,
+ &div->hw, &clk_divider_ops,
+ &gate->hw, &clk_gate_ops, 0);
+ if (IS_ERR(clk)) {
+ kfree(gate);
+ kfree(div);
+ }
+
+ return clk;
+}
+
+/* SDHI divisors */
+static const struct clk_div_table cpg_sdh_div_table[] = {
+ { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 },
+ { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 },
+ { 8, 24 }, { 10, 36 }, { 11, 48 }, { 0, 0 },
+};
+
+static const struct clk_div_table cpg_sd01_div_table[] = {
+ { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 },
+ { 8, 24 }, { 10, 36 }, { 11, 48 }, { 12, 10 },
+ { 0, 0 },
+};
+
+static const struct rcar_gen2_cpg_pll_config *cpg_pll_config __initdata;
+static unsigned int cpg_pll0_div __initdata;
+static u32 cpg_mode __initdata;
+
+struct clk * __init rcar_gen2_cpg_clk_register(struct device *dev,
+ const struct cpg_core_clk *core,
+ const struct cpg_mssr_info *info,
+ struct clk **clks,
+ void __iomem *base)
+{
+ const struct clk_div_table *table = NULL;
+ const struct clk *parent;
+ const char *parent_name;
+ unsigned int mult = 1;
+ unsigned int div = 1;
+ unsigned int shift;
+
+ parent = clks[core->parent];
+ if (IS_ERR(parent))
+ return ERR_CAST(parent);
+
+ parent_name = __clk_get_name(parent);
+
+ switch (core->type) {
+ /* R-Car Gen2 */
+ case CLK_TYPE_GEN2_MAIN:
+ div = cpg_pll_config->extal_div;
+ break;
+
+ case CLK_TYPE_GEN2_PLL0:
+ /*
+ * PLL0 is a configurable multiplier clock except on R-Car
+ * V2H/E2. Register the PLL0 clock as a fixed factor clock for
+ * now as there's no generic multiplier clock implementation and
+ * we currently have no need to change the multiplier value.
+ */
+ mult = cpg_pll_config->pll0_mult;
+ div = cpg_pll0_div;
+ if (!mult) {
+ u32 pll0cr = readl(base + CPG_PLL0CR);
+
+ mult = (((pll0cr & CPG_PLL0CR_STC_MASK) >>
+ CPG_PLL0CR_STC_SHIFT) + 1) * 2;
+ }
+ break;
+
+ case CLK_TYPE_GEN2_PLL1:
+ mult = cpg_pll_config->pll1_mult / 2;
+ break;
+
+ case CLK_TYPE_GEN2_PLL3:
+ mult = cpg_pll_config->pll3_mult;
+ break;
+
+ case CLK_TYPE_GEN2_Z:
+ return cpg_z_clk_register(core->name, parent_name, base);
+
+ case CLK_TYPE_GEN2_LB:
+ div = cpg_mode & BIT(18) ? 36 : 24;
+ break;
+
+ case CLK_TYPE_GEN2_ADSP:
+ return cpg_adsp_clk_register(core->name, parent_name, base);
+
+ case CLK_TYPE_GEN2_SDH:
+ table = cpg_sdh_div_table;
+ shift = 8;
+ break;
+
+ case CLK_TYPE_GEN2_SD0:
+ table = cpg_sd01_div_table;
+ shift = 4;
+ break;
+
+ case CLK_TYPE_GEN2_SD1:
+ table = cpg_sd01_div_table;
+ shift = 0;
+ break;
+
+ case CLK_TYPE_GEN2_QSPI:
+ div = (cpg_mode & (BIT(3) | BIT(2) | BIT(1))) == BIT(2) ?
+ 8 : 10;
+ break;
+
+ case CLK_TYPE_GEN2_RCAN:
+ return cpg_rcan_clk_register(core->name, parent_name, base);
+
+ default:
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (!table)
+ return clk_register_fixed_factor(NULL, core->name, parent_name,
+ 0, mult, div);
+ else
+ return clk_register_divider_table(NULL, core->name,
+ parent_name, 0,
+ base + CPG_SDCKCR, shift, 4,
+ 0, table, &cpg_lock);
+}
+
+int __init rcar_gen2_cpg_init(const struct rcar_gen2_cpg_pll_config *config,
+ unsigned int pll0_div, u32 mode)
+{
+ cpg_pll_config = config;
+ cpg_pll0_div = pll0_div;
+ cpg_mode = mode;
+
+ spin_lock_init(&cpg_lock);
+
+ return 0;
+}
diff --git a/drivers/clk/renesas/rcar-gen2-cpg.h b/drivers/clk/renesas/rcar-gen2-cpg.h
new file mode 100644
index 000000000000..9eba07ff8b11
--- /dev/null
+++ b/drivers/clk/renesas/rcar-gen2-cpg.h
@@ -0,0 +1,43 @@
+/*
+ * R-Car Gen2 Clock Pulse Generator
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation; version 2 of the License.
+ */
+
+#ifndef __CLK_RENESAS_RCAR_GEN2_CPG_H__
+#define __CLK_RENESAS_RCAR_GEN2_CPG_H__
+
+enum rcar_gen2_clk_types {
+ CLK_TYPE_GEN2_MAIN = CLK_TYPE_CUSTOM,
+ CLK_TYPE_GEN2_PLL0,
+ CLK_TYPE_GEN2_PLL1,
+ CLK_TYPE_GEN2_PLL3,
+ CLK_TYPE_GEN2_Z,
+ CLK_TYPE_GEN2_LB,
+ CLK_TYPE_GEN2_ADSP,
+ CLK_TYPE_GEN2_SDH,
+ CLK_TYPE_GEN2_SD0,
+ CLK_TYPE_GEN2_SD1,
+ CLK_TYPE_GEN2_QSPI,
+ CLK_TYPE_GEN2_RCAN,
+};
+
+struct rcar_gen2_cpg_pll_config {
+ unsigned int extal_div;
+ unsigned int pll1_mult;
+ unsigned int pll3_mult;
+ unsigned int pll0_mult; /* leave as zero if PLL0CR exists */
+};
+
+struct clk *rcar_gen2_cpg_clk_register(struct device *dev,
+ const struct cpg_core_clk *core,
+ const struct cpg_mssr_info *info,
+ struct clk **clks, void __iomem *base);
+int rcar_gen2_cpg_init(const struct rcar_gen2_cpg_pll_config *config,
+ unsigned int pll0_div, u32 mode);
+
+#endif
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index bdd46fb08d38..8359ce75db7a 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -502,6 +502,18 @@ static int __init cpg_mssr_add_clk_domain(struct device *dev,
}
static const struct of_device_id cpg_mssr_match[] = {
+#ifdef CONFIG_ARCH_R8A7743
+ {
+ .compatible = "renesas,r8a7743-cpg-mssr",
+ .data = &r8a7743_cpg_mssr_info,
+ },
+#endif
+#ifdef CONFIG_ARCH_R8A7745
+ {
+ .compatible = "renesas,r8a7745-cpg-mssr",
+ .data = &r8a7745_cpg_mssr_info,
+ },
+#endif
#ifdef CONFIG_ARCH_R8A7795
{
.compatible = "renesas,r8a7795-cpg-mssr",
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h
index ee7edfaf1408..4bb7a80c6469 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.h
+++ b/drivers/clk/renesas/renesas-cpg-mssr.h
@@ -130,6 +130,8 @@ struct cpg_mssr_info {
struct clk **clks, void __iomem *base);
};
+extern const struct cpg_mssr_info r8a7743_cpg_mssr_info;
+extern const struct cpg_mssr_info r8a7745_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7795_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7796_cpg_mssr_info;
#endif