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1// SPDX-License-Identifier: GPL-2.02/*3 * r8a77470 Clock Pulse Generator / Module Standby and Software Reset4 *5 * Copyright (C) 2018 Renesas Electronics Corp.6 */7 8#include <linux/device.h>9#include <linux/init.h>10#include <linux/kernel.h>11#include <linux/soc/renesas/rcar-rst.h>12 13#include <dt-bindings/clock/r8a77470-cpg-mssr.h>14 15#include "renesas-cpg-mssr.h"16#include "rcar-gen2-cpg.h"17 18enum clk_ids {19 /* Core Clock Outputs exported to DT */20 LAST_DT_CORE_CLK = R8A77470_CLK_OSC,21 22 /* External Input Clocks */23 CLK_EXTAL,24 CLK_USB_EXTAL,25 26 /* Internal Core Clocks */27 CLK_MAIN,28 CLK_PLL0,29 CLK_PLL1,30 CLK_PLL3,31 CLK_PLL1_DIV2,32 33 /* Module Clocks */34 MOD_CLK_BASE35};36 37static const struct cpg_core_clk r8a77470_core_clks[] __initconst = {38 /* External Clock Inputs */39 DEF_INPUT("extal", CLK_EXTAL),40 DEF_INPUT("usb_extal", CLK_USB_EXTAL),41 42 /* Internal Core Clocks */43 DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL),44 DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN),45 DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN),46 DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN),47 48 DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),49 50 /* Core Clock Outputs */51 DEF_BASE("sdh", R8A77470_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1),52 DEF_BASE("sd0", R8A77470_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1),53 DEF_BASE("sd1", R8A77470_CLK_SD1, CLK_TYPE_GEN2_SD1, CLK_PLL1),54 DEF_BASE("qspi", R8A77470_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2),55 DEF_BASE("rcan", R8A77470_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL),56 57 DEF_FIXED("z2", R8A77470_CLK_Z2, CLK_PLL0, 1, 1),58 DEF_FIXED("zx", R8A77470_CLK_ZX, CLK_PLL1, 3, 1),59 DEF_FIXED("zs", R8A77470_CLK_ZS, CLK_PLL1, 6, 1),60 DEF_FIXED("hp", R8A77470_CLK_HP, CLK_PLL1, 12, 1),61 DEF_FIXED("b", R8A77470_CLK_B, CLK_PLL1, 12, 1),62 DEF_FIXED("lb", R8A77470_CLK_LB, CLK_PLL1, 24, 1),63 DEF_FIXED("p", R8A77470_CLK_P, CLK_PLL1, 24, 1),64 DEF_FIXED("cl", R8A77470_CLK_CL, CLK_PLL1, 48, 1),65 DEF_FIXED("cp", R8A77470_CLK_CP, CLK_PLL1, 48, 1),66 DEF_FIXED("m2", R8A77470_CLK_M2, CLK_PLL1, 8, 1),67 DEF_FIXED("zb3", R8A77470_CLK_ZB3, CLK_PLL3, 4, 1),68 DEF_FIXED("mp", R8A77470_CLK_MP, CLK_PLL1_DIV2, 15, 1),69 DEF_FIXED("cpex", R8A77470_CLK_CPEX, CLK_EXTAL, 2, 1),70 DEF_FIXED("r", R8A77470_CLK_R, CLK_PLL1, 49152, 1),71 DEF_FIXED("osc", R8A77470_CLK_OSC, CLK_PLL1, 12288, 1),72 73 DEF_DIV6P1("sd2", R8A77470_CLK_SD2, CLK_PLL1_DIV2, 0x078),74};75 76static const struct mssr_mod_clk r8a77470_mod_clks[] __initconst = {77 DEF_MOD("msiof0", 0, R8A77470_CLK_MP),78 DEF_MOD("vcp0", 101, R8A77470_CLK_ZS),79 DEF_MOD("vpc0", 103, R8A77470_CLK_ZS),80 DEF_MOD("tmu1", 111, R8A77470_CLK_P),81 DEF_MOD("3dg", 112, R8A77470_CLK_ZS),82 DEF_MOD("2d-dmac", 115, R8A77470_CLK_ZS),83 DEF_MOD("fdp1-0", 119, R8A77470_CLK_ZS),84 DEF_MOD("tmu3", 121, R8A77470_CLK_P),85 DEF_MOD("tmu2", 122, R8A77470_CLK_P),86 DEF_MOD("cmt0", 124, R8A77470_CLK_R),87 DEF_MOD("vsp1du0", 128, R8A77470_CLK_ZS),88 DEF_MOD("vsps", 131, R8A77470_CLK_ZS),89 DEF_MOD("msiof2", 205, R8A77470_CLK_MP),90 DEF_MOD("msiof1", 208, R8A77470_CLK_MP),91 DEF_MOD("sys-dmac1", 218, R8A77470_CLK_ZS),92 DEF_MOD("sys-dmac0", 219, R8A77470_CLK_ZS),93 DEF_MOD("sdhi2", 312, R8A77470_CLK_SD2),94 DEF_MOD("sdhi1", 313, R8A77470_CLK_SD1),95 DEF_MOD("sdhi0", 314, R8A77470_CLK_SD0),96 DEF_MOD("usbhs-dmac0-ch1", 326, R8A77470_CLK_HP),97 DEF_MOD("usbhs-dmac1-ch1", 327, R8A77470_CLK_HP),98 DEF_MOD("cmt1", 329, R8A77470_CLK_R),99 DEF_MOD("usbhs-dmac0-ch0", 330, R8A77470_CLK_HP),100 DEF_MOD("usbhs-dmac1-ch0", 331, R8A77470_CLK_HP),101 DEF_MOD("rwdt", 402, R8A77470_CLK_R),102 DEF_MOD("irqc", 407, R8A77470_CLK_CP),103 DEF_MOD("intc-sys", 408, R8A77470_CLK_ZS),104 DEF_MOD("audio-dmac0", 502, R8A77470_CLK_HP),105 DEF_MOD("pwm", 523, R8A77470_CLK_P),106 DEF_MOD("usb-ehci-0", 703, R8A77470_CLK_MP),107 DEF_MOD("usbhs-0", 704, R8A77470_CLK_HP),108 DEF_MOD("usb-ehci-1", 705, R8A77470_CLK_MP),109 DEF_MOD("usbhs-1", 706, R8A77470_CLK_HP),110 DEF_MOD("hscif2", 713, R8A77470_CLK_ZS),111 DEF_MOD("scif5", 714, R8A77470_CLK_P),112 DEF_MOD("scif4", 715, R8A77470_CLK_P),113 DEF_MOD("hscif1", 716, R8A77470_CLK_ZS),114 DEF_MOD("hscif0", 717, R8A77470_CLK_ZS),115 DEF_MOD("scif3", 718, R8A77470_CLK_P),116 DEF_MOD("scif2", 719, R8A77470_CLK_P),117 DEF_MOD("scif1", 720, R8A77470_CLK_P),118 DEF_MOD("scif0", 721, R8A77470_CLK_P),119 DEF_MOD("du1", 723, R8A77470_CLK_ZX),120 DEF_MOD("du0", 724, R8A77470_CLK_ZX),121 DEF_MOD("ipmmu-sgx", 800, R8A77470_CLK_ZX),122 DEF_MOD("etheravb", 812, R8A77470_CLK_HP),123 DEF_MOD("ether", 813, R8A77470_CLK_P),124 DEF_MOD("gpio5", 907, R8A77470_CLK_CP),125 DEF_MOD("gpio4", 908, R8A77470_CLK_CP),126 DEF_MOD("gpio3", 909, R8A77470_CLK_CP),127 DEF_MOD("gpio2", 910, R8A77470_CLK_CP),128 DEF_MOD("gpio1", 911, R8A77470_CLK_CP),129 DEF_MOD("gpio0", 912, R8A77470_CLK_CP),130 DEF_MOD("can1", 915, R8A77470_CLK_P),131 DEF_MOD("can0", 916, R8A77470_CLK_P),132 DEF_MOD("qspi_mod-1", 917, R8A77470_CLK_QSPI),133 DEF_MOD("qspi_mod-0", 918, R8A77470_CLK_QSPI),134 DEF_MOD("i2c4", 927, R8A77470_CLK_HP),135 DEF_MOD("i2c3", 928, R8A77470_CLK_HP),136 DEF_MOD("i2c2", 929, R8A77470_CLK_HP),137 DEF_MOD("i2c1", 930, R8A77470_CLK_HP),138 DEF_MOD("i2c0", 931, R8A77470_CLK_HP),139 DEF_MOD("ssi-all", 1005, R8A77470_CLK_P),140 DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),141 DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),142 DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),143 DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),144 DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),145 DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),146 DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),147 DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),148 DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),149 DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),150 DEF_MOD("scu-all", 1017, R8A77470_CLK_P),151 DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),152 DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),153 DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),154 DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),155 DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),156 DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),157 DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),158 DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),159 DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),160 DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),161};162 163static const unsigned int r8a77470_crit_mod_clks[] __initconst = {164 MOD_CLK_ID(402), /* RWDT */165 MOD_CLK_ID(408), /* INTC-SYS (GIC) */166};167 168/*169 * CPG Clock Data170 */171 172/*173 * MD EXTAL PLL0 PLL1 PLL3174 * 14 13 (MHz) *1 *2175 *---------------------------------------------------176 * 0 0 20 x80 x78 x50177 * 0 1 26 x60 x60 x56178 * 1 0 Prohibited setting179 * 1 1 30 x52 x52 x50180 *181 * *1 : Table 7.4 indicates VCO output (PLL0 = VCO)182 * *2 : Table 7.4 indicates VCO output (PLL1 = VCO)183 */184#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \185 (((md) & BIT(13)) >> 13))186 187static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[4] __initconst = {188 /* EXTAL div PLL1 mult x2 PLL3 mult */189 { 1, 156, 50, },190 { 1, 120, 56, },191 { /* Invalid*/ },192 { 1, 104, 50, },193};194 195static int __init r8a77470_cpg_mssr_init(struct device *dev)196{197 const struct rcar_gen2_cpg_pll_config *cpg_pll_config;198 u32 cpg_mode;199 int error;200 201 error = rcar_rst_read_mode_pins(&cpg_mode);202 if (error)203 return error;204 205 cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];206 207 return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode);208}209 210const struct cpg_mssr_info r8a77470_cpg_mssr_info __initconst = {211 /* Core Clocks */212 .core_clks = r8a77470_core_clks,213 .num_core_clks = ARRAY_SIZE(r8a77470_core_clks),214 .last_dt_core_clk = LAST_DT_CORE_CLK,215 .num_total_core_clks = MOD_CLK_BASE,216 217 /* Module Clocks */218 .mod_clks = r8a77470_mod_clks,219 .num_mod_clks = ARRAY_SIZE(r8a77470_mod_clks),220 .num_hw_mod_clks = 12 * 32,221 222 /* Critical Module Clocks */223 .crit_mod_clks = r8a77470_crit_mod_clks,224 .num_crit_mod_clks = ARRAY_SIZE(r8a77470_crit_mod_clks),225 226 /* Callbacks */227 .init = r8a77470_cpg_mssr_init,228 .cpg_clk_register = rcar_gen2_cpg_clk_register,229};230