1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Renesas R8A77990 CPG MSSR driver 4 * 5 * Copyright (C) 2017-2018 Marek Vasut <marek.vasut@gmail.com> 6 * 7 * Based on the following driver from Linux kernel: 8 * r8a7796 Clock Pulse Generator / Module Standby and Software Reset 9 * 10 * Copyright (C) 2016 Glider bvba 11 */ 12 13 #include <common.h> 14 #include <clk-uclass.h> 15 #include <dm.h> 16 17 #include <dt-bindings/clock/r8a77990-cpg-mssr.h> 18 19 #include "renesas-cpg-mssr.h" 20 #include "rcar-gen3-cpg.h" 21 22 enum clk_ids { 23 /* Core Clock Outputs exported to DT */ 24 LAST_DT_CORE_CLK = R8A77990_CLK_CPEX, 25 26 /* External Input Clocks */ 27 CLK_EXTAL, 28 29 /* Internal Core Clocks */ 30 CLK_MAIN, 31 CLK_PLL0, 32 CLK_PLL1, 33 CLK_PLL3, 34 CLK_PLL0D4, 35 CLK_PLL0D6, 36 CLK_PLL0D8, 37 CLK_PLL0D20, 38 CLK_PLL0D24, 39 CLK_PLL1D2, 40 CLK_PE, 41 CLK_S0, 42 CLK_S1, 43 CLK_S2, 44 CLK_S3, 45 CLK_SDSRC, 46 47 /* Module Clocks */ 48 MOD_CLK_BASE 49 }; 50 51 static const struct cpg_core_clk r8a77990_core_clks[] = { 52 /* External Clock Inputs */ 53 DEF_INPUT("extal", CLK_EXTAL), 54 55 /* Internal Core Clocks */ 56 DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), 57 DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), 58 DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), 59 60 DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 1, 100), 61 DEF_FIXED(".pll0d4", CLK_PLL0D4, CLK_PLL0, 4, 1), 62 DEF_FIXED(".pll0d6", CLK_PLL0D6, CLK_PLL0, 6, 1), 63 DEF_FIXED(".pll0d8", CLK_PLL0D8, CLK_PLL0, 8, 1), 64 DEF_FIXED(".pll0d20", CLK_PLL0D20, CLK_PLL0, 20, 1), 65 DEF_FIXED(".pll0d24", CLK_PLL0D24, CLK_PLL0, 24, 1), 66 DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1), 67 DEF_FIXED(".pe", CLK_PE, CLK_PLL0D20, 1, 1), 68 DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1), 69 DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1), 70 DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1), 71 DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1), 72 DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1), 73 74 /* Core Clock Outputs */ 75 DEF_FIXED("za2", R8A77990_CLK_ZA2, CLK_PLL0D24, 1, 1), 76 DEF_FIXED("za8", R8A77990_CLK_ZA8, CLK_PLL0D8, 1, 1), 77 DEF_FIXED("ztr", R8A77990_CLK_ZTR, CLK_PLL1, 6, 1), 78 DEF_FIXED("zt", R8A77990_CLK_ZT, CLK_PLL1, 4, 1), 79 DEF_FIXED("zx", R8A77990_CLK_ZX, CLK_PLL1, 3, 1), 80 DEF_FIXED("s0d1", R8A77990_CLK_S0D1, CLK_S0, 1, 1), 81 DEF_FIXED("s0d3", R8A77990_CLK_S0D3, CLK_S0, 3, 1), 82 DEF_FIXED("s0d6", R8A77990_CLK_S0D6, CLK_S0, 6, 1), 83 DEF_FIXED("s0d12", R8A77990_CLK_S0D12, CLK_S0, 12, 1), 84 DEF_FIXED("s0d24", R8A77990_CLK_S0D24, CLK_S0, 24, 1), 85 DEF_FIXED("s1d1", R8A77990_CLK_S1D1, CLK_S1, 1, 1), 86 DEF_FIXED("s1d2", R8A77990_CLK_S1D2, CLK_S1, 2, 1), 87 DEF_FIXED("s1d4", R8A77990_CLK_S1D4, CLK_S1, 4, 1), 88 DEF_FIXED("s2d1", R8A77990_CLK_S2D1, CLK_S2, 1, 1), 89 DEF_FIXED("s2d2", R8A77990_CLK_S2D2, CLK_S2, 2, 1), 90 DEF_FIXED("s2d4", R8A77990_CLK_S2D4, CLK_S2, 4, 1), 91 DEF_FIXED("s3d1", R8A77990_CLK_S3D1, CLK_S3, 1, 1), 92 DEF_FIXED("s3d2", R8A77990_CLK_S3D2, CLK_S3, 2, 1), 93 DEF_FIXED("s3d4", R8A77990_CLK_S3D4, CLK_S3, 4, 1), 94 95 DEF_GEN3_SD("sd0", R8A77990_CLK_SD0, CLK_SDSRC, 0x0074), 96 DEF_GEN3_SD("sd1", R8A77990_CLK_SD1, CLK_SDSRC, 0x0078), 97 DEF_GEN3_SD("sd3", R8A77990_CLK_SD3, CLK_SDSRC, 0x026c), 98 99 DEF_FIXED("cl", R8A77990_CLK_CL, CLK_PLL1, 48, 1), 100 DEF_FIXED("cp", R8A77990_CLK_CP, CLK_EXTAL, 2, 1), 101 DEF_FIXED("cpex", R8A77990_CLK_CPEX, CLK_EXTAL, 4, 1), 102 DEF_FIXED("osc", R8A77990_CLK_OSC, CLK_EXTAL, 384, 1), 103 DEF_FIXED("r", R8A77990_CLK_R, CLK_EXTAL, 1536, 1), 104 105 DEF_GEN3_PE("s0d6c", R8A77990_CLK_S0D6C, CLK_S0, 6, CLK_PE, 6), 106 DEF_GEN3_PE("s3d1c", R8A77990_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1), 107 DEF_GEN3_PE("s3d2c", R8A77990_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2), 108 DEF_GEN3_PE("s3d4c", R8A77990_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4), 109 110 DEF_DIV6P1("canfd", R8A77990_CLK_CANFD, CLK_PLL0D6, 0x244), 111 DEF_DIV6P1("csi0", R8A77990_CLK_CSI0, CLK_PLL1D2, 0x00c), 112 DEF_DIV6P1("mso", R8A77990_CLK_MSO, CLK_PLL1D2, 0x014), 113 }; 114 115 static const struct mssr_mod_clk r8a77990_mod_clks[] = { 116 DEF_MOD("scif5", 202, R8A77990_CLK_S3D4C), 117 DEF_MOD("scif4", 203, R8A77990_CLK_S3D4C), 118 DEF_MOD("scif3", 204, R8A77990_CLK_S3D4C), 119 DEF_MOD("scif1", 206, R8A77990_CLK_S3D4C), 120 DEF_MOD("scif0", 207, R8A77990_CLK_S3D4C), 121 DEF_MOD("msiof3", 208, R8A77990_CLK_MSO), 122 DEF_MOD("msiof2", 209, R8A77990_CLK_MSO), 123 DEF_MOD("msiof1", 210, R8A77990_CLK_MSO), 124 DEF_MOD("msiof0", 211, R8A77990_CLK_MSO), 125 DEF_MOD("sys-dmac2", 217, R8A77990_CLK_S3D1), 126 DEF_MOD("sys-dmac1", 218, R8A77990_CLK_S3D1), 127 DEF_MOD("sys-dmac0", 219, R8A77990_CLK_S3D1), 128 129 DEF_MOD("cmt3", 300, R8A77990_CLK_R), 130 DEF_MOD("cmt2", 301, R8A77990_CLK_R), 131 DEF_MOD("cmt1", 302, R8A77990_CLK_R), 132 DEF_MOD("cmt0", 303, R8A77990_CLK_R), 133 DEF_MOD("scif2", 310, R8A77990_CLK_S3D4C), 134 DEF_MOD("sdif3", 311, R8A77990_CLK_SD3), 135 DEF_MOD("sdif1", 313, R8A77990_CLK_SD1), 136 DEF_MOD("sdif0", 314, R8A77990_CLK_SD0), 137 DEF_MOD("pcie0", 319, R8A77990_CLK_S3D1), 138 DEF_MOD("usb3-if0", 328, R8A77990_CLK_S3D1), 139 DEF_MOD("usb-dmac0", 330, R8A77990_CLK_S3D1), 140 DEF_MOD("usb-dmac1", 331, R8A77990_CLK_S3D1), 141 142 DEF_MOD("rwdt", 402, R8A77990_CLK_R), 143 DEF_MOD("intc-ex", 407, R8A77990_CLK_CP), 144 DEF_MOD("intc-ap", 408, R8A77990_CLK_S0D3), 145 146 DEF_MOD("audmac0", 502, R8A77990_CLK_S3D4), 147 DEF_MOD("drif7", 508, R8A77990_CLK_S3D2), 148 DEF_MOD("drif6", 509, R8A77990_CLK_S3D2), 149 DEF_MOD("drif5", 510, R8A77990_CLK_S3D2), 150 DEF_MOD("drif4", 511, R8A77990_CLK_S3D2), 151 DEF_MOD("drif3", 512, R8A77990_CLK_S3D2), 152 DEF_MOD("drif2", 513, R8A77990_CLK_S3D2), 153 DEF_MOD("drif1", 514, R8A77990_CLK_S3D2), 154 DEF_MOD("drif0", 515, R8A77990_CLK_S3D2), 155 DEF_MOD("hscif4", 516, R8A77990_CLK_S3D1C), 156 DEF_MOD("hscif3", 517, R8A77990_CLK_S3D1C), 157 DEF_MOD("hscif2", 518, R8A77990_CLK_S3D1C), 158 DEF_MOD("hscif1", 519, R8A77990_CLK_S3D1C), 159 DEF_MOD("hscif0", 520, R8A77990_CLK_S3D1C), 160 DEF_MOD("thermal", 522, R8A77990_CLK_CP), 161 DEF_MOD("pwm", 523, R8A77990_CLK_S3D4C), 162 163 DEF_MOD("fcpvd1", 602, R8A77990_CLK_S1D2), 164 DEF_MOD("fcpvd0", 603, R8A77990_CLK_S1D2), 165 DEF_MOD("fcpvb0", 607, R8A77990_CLK_S0D1), 166 DEF_MOD("fcpvi0", 611, R8A77990_CLK_S0D1), 167 DEF_MOD("fcpf0", 615, R8A77990_CLK_S0D1), 168 DEF_MOD("fcpcs", 619, R8A77990_CLK_S0D1), 169 DEF_MOD("vspd1", 622, R8A77990_CLK_S1D2), 170 DEF_MOD("vspd0", 623, R8A77990_CLK_S1D2), 171 DEF_MOD("vspb", 626, R8A77990_CLK_S0D1), 172 DEF_MOD("vspi0", 631, R8A77990_CLK_S0D1), 173 174 DEF_MOD("ehci0", 703, R8A77990_CLK_S3D4), 175 DEF_MOD("hsusb", 704, R8A77990_CLK_S3D4), 176 DEF_MOD("csi40", 716, R8A77990_CLK_CSI0), 177 DEF_MOD("du1", 723, R8A77990_CLK_S2D1), 178 DEF_MOD("du0", 724, R8A77990_CLK_S2D1), 179 DEF_MOD("lvds", 727, R8A77990_CLK_S2D1), 180 181 DEF_MOD("vin7", 804, R8A77990_CLK_S1D2), 182 DEF_MOD("vin6", 805, R8A77990_CLK_S1D2), 183 DEF_MOD("vin5", 806, R8A77990_CLK_S1D2), 184 DEF_MOD("vin4", 807, R8A77990_CLK_S1D2), 185 DEF_MOD("etheravb", 812, R8A77990_CLK_S3D2), 186 187 DEF_MOD("gpio6", 906, R8A77990_CLK_S3D4), 188 DEF_MOD("gpio5", 907, R8A77990_CLK_S3D4), 189 DEF_MOD("gpio4", 908, R8A77990_CLK_S3D4), 190 DEF_MOD("gpio3", 909, R8A77990_CLK_S3D4), 191 DEF_MOD("gpio2", 910, R8A77990_CLK_S3D4), 192 DEF_MOD("gpio1", 911, R8A77990_CLK_S3D4), 193 DEF_MOD("gpio0", 912, R8A77990_CLK_S3D4), 194 DEF_MOD("can-fd", 914, R8A77990_CLK_S3D2), 195 DEF_MOD("can-if1", 915, R8A77990_CLK_S3D4), 196 DEF_MOD("can-if0", 916, R8A77990_CLK_S3D4), 197 DEF_MOD("i2c6", 918, R8A77990_CLK_S3D2), 198 DEF_MOD("i2c5", 919, R8A77990_CLK_S3D2), 199 DEF_MOD("i2c-dvfs", 926, R8A77990_CLK_CP), 200 DEF_MOD("i2c4", 927, R8A77990_CLK_S3D2), 201 DEF_MOD("i2c3", 928, R8A77990_CLK_S3D2), 202 DEF_MOD("i2c2", 929, R8A77990_CLK_S3D2), 203 DEF_MOD("i2c1", 930, R8A77990_CLK_S3D2), 204 DEF_MOD("i2c0", 931, R8A77990_CLK_S3D2), 205 206 DEF_MOD("ssi-all", 1005, R8A77990_CLK_S3D4), 207 DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), 208 DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), 209 DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), 210 DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), 211 DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), 212 DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), 213 DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), 214 DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), 215 DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), 216 DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), 217 DEF_MOD("scu-all", 1017, R8A77990_CLK_S3D4), 218 DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), 219 DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), 220 DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), 221 DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), 222 DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), 223 DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), 224 DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), 225 DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), 226 DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), 227 DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), 228 DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), 229 DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), 230 DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), 231 DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), 232 }; 233 234 /* 235 * CPG Clock Data 236 */ 237 238 /* 239 * MD19 EXTAL (MHz) PLL0 PLL1 PLL3 240 *-------------------------------------------------------------------- 241 * 0 48 x 1 x100/4 x100/3 x100/3 242 * 1 48 x 1 x100/4 x100/3 x58/3 243 */ 244 #define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19) 245 246 static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] = { 247 /* EXTAL div PLL1 mult/div PLL3 mult/div */ 248 { 1, 100, 3, 100, 3, }, 249 { 1, 100, 3, 58, 3, }, 250 }; 251 252 static const struct mstp_stop_table r8a77990_mstp_table[] = { 253 { 0x00200000, 0x0, 0x00200000, 0 }, 254 { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 }, 255 { 0x340E2FDC, 0x2040, 0x340E2FDC, 0 }, 256 { 0xFFFFFFDF, 0x400, 0xFFFFFFDF, 0 }, 257 { 0x80000184, 0x180, 0x80000184, 0 }, 258 { 0xC3FFFFFF, 0x0, 0xC3FFFFFF, 0 }, 259 { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 }, 260 { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 }, 261 { 0x01F1FFF7, 0x0, 0x01F1FFF7, 0 }, 262 { 0xFFFFFFFE, 0x0, 0xFFFFFFFE, 0 }, 263 { 0xFFFEFFE0, 0x0, 0xFFFEFFE0, 0 }, 264 { 0x000000B7, 0x0, 0x000000B7, 0 }, 265 }; 266 267 static const void *r8a77990_get_pll_config(const u32 cpg_mode) 268 { 269 return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; 270 } 271 272 static const struct cpg_mssr_info r8a77990_cpg_mssr_info = { 273 .core_clk = r8a77990_core_clks, 274 .core_clk_size = ARRAY_SIZE(r8a77990_core_clks), 275 .mod_clk = r8a77990_mod_clks, 276 .mod_clk_size = ARRAY_SIZE(r8a77990_mod_clks), 277 .mstp_table = r8a77990_mstp_table, 278 .mstp_table_size = ARRAY_SIZE(r8a77990_mstp_table), 279 .reset_node = "renesas,r8a77990-rst", 280 .mod_clk_base = MOD_CLK_BASE, 281 .clk_extal_id = CLK_EXTAL, 282 .clk_extalr_id = ~0, 283 .get_pll_config = r8a77990_get_pll_config, 284 }; 285 286 static const struct udevice_id r8a77990_clk_ids[] = { 287 { 288 .compatible = "renesas,r8a77990-cpg-mssr", 289 .data = (ulong)&r8a77990_cpg_mssr_info 290 }, 291 { } 292 }; 293 294 U_BOOT_DRIVER(clk_r8a77990) = { 295 .name = "clk_r8a77990", 296 .id = UCLASS_CLK, 297 .of_match = r8a77990_clk_ids, 298 .priv_auto_alloc_size = sizeof(struct gen3_clk_priv), 299 .ops = &gen3_clk_ops, 300 .probe = gen3_clk_probe, 301 .remove = gen3_clk_remove, 302 }; 303