clk: renesas: Import R8A7794 E2 clock tables
authorMarek Vasut <marek.vasut+renesas@gmail.com>
Wed, 17 Jan 2018 22:39:57 +0000 (23:39 +0100)
committerMarek Vasut <marex@denx.de>
Wed, 24 Jan 2018 22:27:22 +0000 (23:27 +0100)
Import clock tables for R8A7794 E2 SoC from upstream Linux kernel v4.15-rc8,
commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
drivers/clk/renesas/Kconfig
drivers/clk/renesas/Makefile
drivers/clk/renesas/r8a7794-cpg-mssr.c [new file with mode: 0644]

index e104c97..b5a6bcc 100644 (file)
@@ -39,6 +39,13 @@ config CLK_R8A7793
        help
          Enable this to support the clocks on Renesas R8A7793 SoC.
 
+config CLK_R8A7794
+       bool "Renesas R8A7794 clock driver"
+       def_bool y if R8A7794
+       depends on CLK_RCAR_GEN2
+       help
+         Enable this to support the clocks on Renesas R8A7794 SoC.
+
 config CLK_RCAR_GEN3
        bool "Renesas RCar Gen3 clock driver"
        def_bool y if RCAR_GEN3
index 25d78f2..a65d89f 100644 (file)
@@ -4,6 +4,7 @@ obj-$(CONFIG_CLK_R8A7790) += r8a7790-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A7791) += r8a7791-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A7792) += r8a7792-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A7793) += r8a7791-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A7794) += r8a7794-cpg-mssr.o
 obj-$(CONFIG_CLK_RCAR_GEN3) += clk-rcar-gen3.o
 obj-$(CONFIG_CLK_R8A7795) += r8a7795-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A7796) += r8a7796-cpg-mssr.o
diff --git a/drivers/clk/renesas/r8a7794-cpg-mssr.c b/drivers/clk/renesas/r8a7794-cpg-mssr.c
new file mode 100644 (file)
index 0000000..90bac3d
--- /dev/null
@@ -0,0 +1,276 @@
+/*
+ * r8a7794 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2017 Glider bvba
+ *
+ * Based on clk-rcar-gen2.c
+ *
+ * Copyright (C) 2013 Ideas On Board SPRL
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+
+#include <dt-bindings/clock/r8a7794-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 = R8A7794_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 r8a7794_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",   R8A7794_CLK_LB,   CLK_TYPE_GEN2_LB,   CLK_PLL1),
+       DEF_BASE("adsp", R8A7794_CLK_ADSP, CLK_TYPE_GEN2_ADSP, CLK_PLL1),
+       DEF_BASE("sdh",  R8A7794_CLK_SDH,  CLK_TYPE_GEN2_SDH,  CLK_PLL1),
+       DEF_BASE("sd0",  R8A7794_CLK_SD0,  CLK_TYPE_GEN2_SD0,  CLK_PLL1),
+       DEF_BASE("qspi", R8A7794_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2),
+       DEF_BASE("rcan", R8A7794_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL),
+
+       DEF_FIXED("z2",     R8A7794_CLK_Z2,    CLK_PLL0,          1, 1),
+       DEF_FIXED("zg",     R8A7794_CLK_ZG,    CLK_PLL1,          6, 1),
+       DEF_FIXED("zx",     R8A7794_CLK_ZX,    CLK_PLL1,          3, 1),
+       DEF_FIXED("zs",     R8A7794_CLK_ZS,    CLK_PLL1,          6, 1),
+       DEF_FIXED("hp",     R8A7794_CLK_HP,    CLK_PLL1,         12, 1),
+       DEF_FIXED("i",      R8A7794_CLK_I,     CLK_PLL1,          2, 1),
+       DEF_FIXED("b",      R8A7794_CLK_B,     CLK_PLL1,         12, 1),
+       DEF_FIXED("p",      R8A7794_CLK_P,     CLK_PLL1,         24, 1),
+       DEF_FIXED("cl",     R8A7794_CLK_CL,    CLK_PLL1,         48, 1),
+       DEF_FIXED("cp",     R8A7794_CLK_CP,    CLK_PLL1,         48, 1),
+       DEF_FIXED("m2",     R8A7794_CLK_M2,    CLK_PLL1,          8, 1),
+       DEF_FIXED("zb3",    R8A7794_CLK_ZB3,   CLK_PLL3,          4, 1),
+       DEF_FIXED("zb3d2",  R8A7794_CLK_ZB3D2, CLK_PLL3,          8, 1),
+       DEF_FIXED("ddr",    R8A7794_CLK_DDR,   CLK_PLL3,          8, 1),
+       DEF_FIXED("mp",     R8A7794_CLK_MP,    CLK_PLL1_DIV2,    15, 1),
+       DEF_FIXED("cpex",   R8A7794_CLK_CPEX,  CLK_EXTAL,         2, 1),
+       DEF_FIXED("r",      R8A7794_CLK_R,     CLK_PLL1,      49152, 1),
+       DEF_FIXED("osc",    R8A7794_CLK_OSC,   CLK_PLL1,      12288, 1),
+
+       DEF_DIV6P1("sd2",   R8A7794_CLK_SD2,   CLK_PLL1_DIV2, 0x078),
+       DEF_DIV6P1("sd3",   R8A7794_CLK_SD3,   CLK_PLL1_DIV2, 0x26c),
+       DEF_DIV6P1("mmc0",  R8A7794_CLK_MMC0,  CLK_PLL1_DIV2, 0x240),
+};
+
+static const struct mssr_mod_clk r8a7794_mod_clks[] __initconst = {
+       DEF_MOD("msiof0",                  0,   R8A7794_CLK_MP),
+       DEF_MOD("vcp0",                  101,   R8A7794_CLK_ZS),
+       DEF_MOD("vpc0",                  103,   R8A7794_CLK_ZS),
+       DEF_MOD("jpu",                   106,   R8A7794_CLK_M2),
+       DEF_MOD("tmu1",                  111,   R8A7794_CLK_P),
+       DEF_MOD("3dg",                   112,   R8A7794_CLK_ZG),
+       DEF_MOD("2d-dmac",               115,   R8A7794_CLK_ZS),
+       DEF_MOD("fdp1-0",                119,   R8A7794_CLK_ZS),
+       DEF_MOD("tmu3",                  121,   R8A7794_CLK_P),
+       DEF_MOD("tmu2",                  122,   R8A7794_CLK_P),
+       DEF_MOD("cmt0",                  124,   R8A7794_CLK_R),
+       DEF_MOD("tmu0",                  125,   R8A7794_CLK_CP),
+       DEF_MOD("vsp1du0",               128,   R8A7794_CLK_ZS),
+       DEF_MOD("vsp1-sy",               131,   R8A7794_CLK_ZS),
+       DEF_MOD("scifa2",                202,   R8A7794_CLK_MP),
+       DEF_MOD("scifa1",                203,   R8A7794_CLK_MP),
+       DEF_MOD("scifa0",                204,   R8A7794_CLK_MP),
+       DEF_MOD("msiof2",                205,   R8A7794_CLK_MP),
+       DEF_MOD("scifb0",                206,   R8A7794_CLK_MP),
+       DEF_MOD("scifb1",                207,   R8A7794_CLK_MP),
+       DEF_MOD("msiof1",                208,   R8A7794_CLK_MP),
+       DEF_MOD("scifb2",                216,   R8A7794_CLK_MP),
+       DEF_MOD("sys-dmac1",             218,   R8A7794_CLK_ZS),
+       DEF_MOD("sys-dmac0",             219,   R8A7794_CLK_ZS),
+       DEF_MOD("tpu0",                  304,   R8A7794_CLK_CP),
+       DEF_MOD("sdhi3",                 311,   R8A7794_CLK_SD3),
+       DEF_MOD("sdhi2",                 312,   R8A7794_CLK_SD2),
+       DEF_MOD("sdhi0",                 314,   R8A7794_CLK_SD0),
+       DEF_MOD("mmcif0",                315,   R8A7794_CLK_MMC0),
+       DEF_MOD("iic0",                  318,   R8A7794_CLK_HP),
+       DEF_MOD("iic1",                  323,   R8A7794_CLK_HP),
+       DEF_MOD("cmt1",                  329,   R8A7794_CLK_R),
+       DEF_MOD("usbhs-dmac0",           330,   R8A7794_CLK_HP),
+       DEF_MOD("usbhs-dmac1",           331,   R8A7794_CLK_HP),
+       DEF_MOD("irqc",                  407,   R8A7794_CLK_CP),
+       DEF_MOD("intc-sys",              408,   R8A7794_CLK_ZS),
+       DEF_MOD("audio-dmac0",           502,   R8A7794_CLK_HP),
+       DEF_MOD("adsp_mod",              506,   R8A7794_CLK_ADSP),
+       DEF_MOD("pwm",                   523,   R8A7794_CLK_P),
+       DEF_MOD("usb-ehci",              703,   R8A7794_CLK_MP),
+       DEF_MOD("usbhs",                 704,   R8A7794_CLK_HP),
+       DEF_MOD("hscif2",                713,   R8A7794_CLK_ZS),
+       DEF_MOD("scif5",                 714,   R8A7794_CLK_P),
+       DEF_MOD("scif4",                 715,   R8A7794_CLK_P),
+       DEF_MOD("hscif1",                716,   R8A7794_CLK_ZS),
+       DEF_MOD("hscif0",                717,   R8A7794_CLK_ZS),
+       DEF_MOD("scif3",                 718,   R8A7794_CLK_P),
+       DEF_MOD("scif2",                 719,   R8A7794_CLK_P),
+       DEF_MOD("scif1",                 720,   R8A7794_CLK_P),
+       DEF_MOD("scif0",                 721,   R8A7794_CLK_P),
+       DEF_MOD("du1",                   723,   R8A7794_CLK_ZX),
+       DEF_MOD("du0",                   724,   R8A7794_CLK_ZX),
+       DEF_MOD("ipmmu-sgx",             800,   R8A7794_CLK_ZX),
+       DEF_MOD("mlb",                   802,   R8A7794_CLK_HP),
+       DEF_MOD("vin1",                  810,   R8A7794_CLK_ZG),
+       DEF_MOD("vin0",                  811,   R8A7794_CLK_ZG),
+       DEF_MOD("etheravb",              812,   R8A7794_CLK_HP),
+       DEF_MOD("ether",                 813,   R8A7794_CLK_P),
+       DEF_MOD("gyro-adc",              901,   R8A7794_CLK_P),
+       DEF_MOD("gpio6",                 905,   R8A7794_CLK_CP),
+       DEF_MOD("gpio5",                 907,   R8A7794_CLK_CP),
+       DEF_MOD("gpio4",                 908,   R8A7794_CLK_CP),
+       DEF_MOD("gpio3",                 909,   R8A7794_CLK_CP),
+       DEF_MOD("gpio2",                 910,   R8A7794_CLK_CP),
+       DEF_MOD("gpio1",                 911,   R8A7794_CLK_CP),
+       DEF_MOD("gpio0",                 912,   R8A7794_CLK_CP),
+       DEF_MOD("can1",                  915,   R8A7794_CLK_P),
+       DEF_MOD("can0",                  916,   R8A7794_CLK_P),
+       DEF_MOD("qspi_mod",              917,   R8A7794_CLK_QSPI),
+       DEF_MOD("i2c5",                  925,   R8A7794_CLK_HP),
+       DEF_MOD("i2c4",                  927,   R8A7794_CLK_HP),
+       DEF_MOD("i2c3",                  928,   R8A7794_CLK_HP),
+       DEF_MOD("i2c2",                  929,   R8A7794_CLK_HP),
+       DEF_MOD("i2c1",                  930,   R8A7794_CLK_HP),
+       DEF_MOD("i2c0",                  931,   R8A7794_CLK_HP),
+       DEF_MOD("ssi-all",              1005,   R8A7794_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,   R8A7794_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-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("scifa3",               1106,   R8A7794_CLK_MP),
+       DEF_MOD("scifa4",               1107,   R8A7794_CLK_MP),
+       DEF_MOD("scifa5",               1108,   R8A7794_CLK_MP),
+};
+
+static const unsigned int r8a7794_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  1     15              x200/3  x208/2  x88
+ * 0  1  1     20              x150/3  x156/2  x66
+ * 1  0  1     26 / 2          x230/3  x240/2  x102
+ * 1  1  1     30 / 2          x200/3  x208/2  x88
+ *
+ * *1 :        Table 7.5c indicates VCO output (PLL0 = VCO/3)
+ * *2 :        Table 7.5c indicates VCO output (PLL1 = VCO/2)
+ */
+#define CPG_PLL_CONFIG_INDEX(md)       ((((md) & BIT(14)) >> 13) | \
+                                        (((md) & BIT(13)) >> 13))
+static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[4] __initconst = {
+       { 1, 208,  88, 200 },
+       { 1, 156,  66, 150 },
+       { 2, 240, 102, 230 },
+       { 2, 208,  88, 200 },
+};
+
+static const struct mstp_stop_table r8a7794_mstp_table[] = {
+       { 0x00440801, 0x400000, 0x00440801, 0x0 },
+       { 0x936899DA, 0x0, 0x936899DA, 0x0 },
+       { 0x100D21FC, 0x2000, 0x100D21FC, 0x0 },
+       { 0xE084D810, 0x0, 0xE084D810, 0x0 },
+       { 0x800001C4, 0x180, 0x800001C4, 0x0 },
+       { 0x40C00044, 0x0, 0x40C00044, 0x0 },
+       { 0x0, 0x0, 0x0, 0x0 }, /* SMSTP6 is not present on Gen2 */
+       { 0x013FE618, 0x80000, 0x013FE618, 0x0 },
+       { 0x40803C05, 0x0, 0x40803C05, 0x0 },
+       { 0xFB879FEE, 0x0, 0xFB879FEE, 0x0 },
+       { 0xFFFEFFE0, 0x0, 0xFFFEFFE0, 0x0 },
+       { 0x000001C0, 0x0, 0x000001C0, 0x0 },
+};
+
+static const void *r8a7794_get_pll_config(const u32 cpg_mode)
+{
+       return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+}
+
+static const struct cpg_mssr_info r8a7794_cpg_mssr_info = {
+       .core_clk               = r8a7794_core_clks,
+       .core_clk_size          = ARRAY_SIZE(r8a7794_core_clks),
+       .mod_clk                = r8a7794_mod_clks,
+       .mod_clk_size           = ARRAY_SIZE(r8a7794_mod_clks),
+       .mstp_table             = r8a7794_mstp_table,
+       .mstp_table_size        = ARRAY_SIZE(r8a7794_mstp_table),
+       .reset_node             = "renesas,r8a7794-rst",
+       .extal_usb_node         = "usb_extal",
+       .mod_clk_base           = MOD_CLK_BASE,
+       .clk_extal_id           = CLK_EXTAL,
+       .clk_extal_usb_id       = CLK_USB_EXTAL,
+       .pll0_div               = 2,
+       .get_pll_config         = r8a7794_get_pll_config,
+};
+
+static const struct udevice_id r8a7794_clk_ids[] = {
+       {
+               .compatible     = "renesas,r8a7794-cpg-mssr",
+               .data           = (ulong)&r8a7794_cpg_mssr_info
+       },
+       {
+               .compatible     = "renesas,r8a7793-cpg-mssr",
+               .data           = (ulong)&r8a7794_cpg_mssr_info
+       },
+       { }
+};
+
+U_BOOT_DRIVER(clk_r8a7794) = {
+       .name           = "clk_r8a7794",
+       .id             = UCLASS_CLK,
+       .of_match       = r8a7794_clk_ids,
+       .priv_auto_alloc_size = sizeof(struct gen2_clk_priv),
+       .ops            = &gen2_clk_ops,
+       .probe          = gen2_clk_probe,
+       .remove         = gen2_clk_remove,
+};