| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * r8a7792 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 |
| */ |
| |
| #include <linux/device.h> |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/soc/renesas/rcar-rst.h> |
| |
| #include <dt-bindings/clock/r8a7792-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 = R8A7792_CLK_OSC, |
| |
| /* External Input Clocks */ |
| CLK_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 r8a7792_core_clks[] __initconst = { |
| /* External Clock Inputs */ |
| DEF_INPUT("extal", CLK_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("qspi", R8A7792_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), |
| |
| DEF_FIXED("z", R8A7792_CLK_Z, CLK_PLL0, 1, 1), |
| DEF_FIXED("zg", R8A7792_CLK_ZG, CLK_PLL1, 5, 1), |
| DEF_FIXED("zx", R8A7792_CLK_ZX, CLK_PLL1, 3, 1), |
| DEF_FIXED("zs", R8A7792_CLK_ZS, CLK_PLL1, 6, 1), |
| DEF_FIXED("hp", R8A7792_CLK_HP, CLK_PLL1, 12, 1), |
| DEF_FIXED("i", R8A7792_CLK_I, CLK_PLL1, 3, 1), |
| DEF_FIXED("b", R8A7792_CLK_B, CLK_PLL1, 12, 1), |
| DEF_FIXED("lb", R8A7792_CLK_LB, CLK_PLL1, 24, 1), |
| DEF_FIXED("p", R8A7792_CLK_P, CLK_PLL1, 24, 1), |
| DEF_FIXED("cl", R8A7792_CLK_CL, CLK_PLL1, 48, 1), |
| DEF_FIXED("m2", R8A7792_CLK_M2, CLK_PLL1, 8, 1), |
| DEF_FIXED("imp", R8A7792_CLK_IMP, CLK_PLL1, 4, 1), |
| DEF_FIXED("zb3", R8A7792_CLK_ZB3, CLK_PLL3, 4, 1), |
| DEF_FIXED("zb3d2", R8A7792_CLK_ZB3D2, CLK_PLL3, 8, 1), |
| DEF_FIXED("ddr", R8A7792_CLK_DDR, CLK_PLL3, 8, 1), |
| DEF_FIXED("sd", R8A7792_CLK_SD, CLK_PLL1_DIV2, 8, 1), |
| DEF_FIXED("mp", R8A7792_CLK_MP, CLK_PLL1_DIV2, 15, 1), |
| DEF_FIXED("cp", R8A7792_CLK_CP, CLK_PLL1, 48, 1), |
| DEF_FIXED("cpex", R8A7792_CLK_CPEX, CLK_EXTAL, 2, 1), |
| DEF_FIXED("rcan", R8A7792_CLK_RCAN, CLK_PLL1_DIV2, 49, 1), |
| DEF_FIXED("r", R8A7792_CLK_R, CLK_PLL1, 49152, 1), |
| DEF_FIXED("osc", R8A7792_CLK_OSC, CLK_PLL1, 12288, 1), |
| }; |
| |
| static const struct mssr_mod_clk r8a7792_mod_clks[] __initconst = { |
| DEF_MOD("msiof0", 0, R8A7792_CLK_MP), |
| DEF_MOD("jpu", 106, R8A7792_CLK_M2), |
| DEF_MOD("tmu1", 111, R8A7792_CLK_P), |
| DEF_MOD("3dg", 112, R8A7792_CLK_ZG), |
| DEF_MOD("2d-dmac", 115, R8A7792_CLK_ZS), |
| DEF_MOD("tmu3", 121, R8A7792_CLK_P), |
| DEF_MOD("tmu2", 122, R8A7792_CLK_P), |
| DEF_MOD("cmt0", 124, R8A7792_CLK_R), |
| DEF_MOD("tmu0", 125, R8A7792_CLK_CP), |
| DEF_MOD("vsp1du1", 127, R8A7792_CLK_ZS), |
| DEF_MOD("vsp1du0", 128, R8A7792_CLK_ZS), |
| DEF_MOD("vsp1-sy", 131, R8A7792_CLK_ZS), |
| DEF_MOD("msiof1", 208, R8A7792_CLK_MP), |
| DEF_MOD("sys-dmac1", 218, R8A7792_CLK_ZS), |
| DEF_MOD("sys-dmac0", 219, R8A7792_CLK_ZS), |
| DEF_MOD("tpu0", 304, R8A7792_CLK_CP), |
| DEF_MOD("sdhi0", 314, R8A7792_CLK_SD), |
| DEF_MOD("cmt1", 329, R8A7792_CLK_R), |
| DEF_MOD("rwdt", 402, R8A7792_CLK_R), |
| DEF_MOD("irqc", 407, R8A7792_CLK_CP), |
| DEF_MOD("intc-sys", 408, R8A7792_CLK_ZS), |
| DEF_MOD("audio-dmac0", 502, R8A7792_CLK_HP), |
| DEF_MOD("thermal", 522, CLK_EXTAL), |
| DEF_MOD("pwm", 523, R8A7792_CLK_P), |
| DEF_MOD("hscif1", 716, R8A7792_CLK_ZS), |
| DEF_MOD("hscif0", 717, R8A7792_CLK_ZS), |
| DEF_MOD("scif3", 718, R8A7792_CLK_P), |
| DEF_MOD("scif2", 719, R8A7792_CLK_P), |
| DEF_MOD("scif1", 720, R8A7792_CLK_P), |
| DEF_MOD("scif0", 721, R8A7792_CLK_P), |
| DEF_MOD("du1", 723, R8A7792_CLK_ZX), |
| DEF_MOD("du0", 724, R8A7792_CLK_ZX), |
| DEF_MOD("vin5", 804, R8A7792_CLK_ZG), |
| DEF_MOD("vin4", 805, R8A7792_CLK_ZG), |
| DEF_MOD("vin3", 808, R8A7792_CLK_ZG), |
| DEF_MOD("vin2", 809, R8A7792_CLK_ZG), |
| DEF_MOD("vin1", 810, R8A7792_CLK_ZG), |
| DEF_MOD("vin0", 811, R8A7792_CLK_ZG), |
| DEF_MOD("etheravb", 812, R8A7792_CLK_HP), |
| DEF_MOD("imr-lx3", 821, R8A7792_CLK_ZG), |
| DEF_MOD("imr-lsx3-1", 822, R8A7792_CLK_ZG), |
| DEF_MOD("imr-lsx3-0", 823, R8A7792_CLK_ZG), |
| DEF_MOD("imr-lsx3-5", 825, R8A7792_CLK_ZG), |
| DEF_MOD("imr-lsx3-4", 826, R8A7792_CLK_ZG), |
| DEF_MOD("imr-lsx3-3", 827, R8A7792_CLK_ZG), |
| DEF_MOD("imr-lsx3-2", 828, R8A7792_CLK_ZG), |
| DEF_MOD("gyro-adc", 901, R8A7792_CLK_P), |
| DEF_MOD("gpio7", 904, R8A7792_CLK_CP), |
| DEF_MOD("gpio6", 905, R8A7792_CLK_CP), |
| DEF_MOD("gpio5", 907, R8A7792_CLK_CP), |
| DEF_MOD("gpio4", 908, R8A7792_CLK_CP), |
| DEF_MOD("gpio3", 909, R8A7792_CLK_CP), |
| DEF_MOD("gpio2", 910, R8A7792_CLK_CP), |
| DEF_MOD("gpio1", 911, R8A7792_CLK_CP), |
| DEF_MOD("gpio0", 912, R8A7792_CLK_CP), |
| DEF_MOD("gpio11", 913, R8A7792_CLK_CP), |
| DEF_MOD("gpio10", 914, R8A7792_CLK_CP), |
| DEF_MOD("can1", 915, R8A7792_CLK_P), |
| DEF_MOD("can0", 916, R8A7792_CLK_P), |
| DEF_MOD("qspi_mod", 917, R8A7792_CLK_QSPI), |
| DEF_MOD("gpio9", 919, R8A7792_CLK_CP), |
| DEF_MOD("gpio8", 921, R8A7792_CLK_CP), |
| DEF_MOD("i2c5", 925, R8A7792_CLK_HP), |
| DEF_MOD("iicdvfs", 926, R8A7792_CLK_CP), |
| DEF_MOD("i2c4", 927, R8A7792_CLK_HP), |
| DEF_MOD("i2c3", 928, R8A7792_CLK_HP), |
| DEF_MOD("i2c2", 929, R8A7792_CLK_HP), |
| DEF_MOD("i2c1", 930, R8A7792_CLK_HP), |
| DEF_MOD("i2c0", 931, R8A7792_CLK_HP), |
| DEF_MOD("ssi-all", 1005, R8A7792_CLK_P), |
| DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), |
| DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), |
| }; |
| |
| static const unsigned int r8a7792_crit_mod_clks[] __initconst = { |
| MOD_CLK_ID(402), /* RWDT */ |
| 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 = { |
| { 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 r8a7792_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 r8a7792_cpg_mssr_info __initconst = { |
| /* Core Clocks */ |
| .core_clks = r8a7792_core_clks, |
| .num_core_clks = ARRAY_SIZE(r8a7792_core_clks), |
| .last_dt_core_clk = LAST_DT_CORE_CLK, |
| .num_total_core_clks = MOD_CLK_BASE, |
| |
| /* Module Clocks */ |
| .mod_clks = r8a7792_mod_clks, |
| .num_mod_clks = ARRAY_SIZE(r8a7792_mod_clks), |
| .num_hw_mod_clks = 12 * 32, |
| |
| /* Critical Module Clocks */ |
| .crit_mod_clks = r8a7792_crit_mod_clks, |
| .num_crit_mod_clks = ARRAY_SIZE(r8a7792_crit_mod_clks), |
| |
| /* Callbacks */ |
| .init = r8a7792_cpg_mssr_init, |
| .cpg_clk_register = rcar_gen2_cpg_clk_register, |
| }; |
