1 /* 2 * Renesas R8A7795 CPG MSSR driver 3 * 4 * Copyright (C) 2017-2018 Marek Vasut <marek.vasut@gmail.com> 5 * 6 * Based on the following driver from Linux kernel: 7 * r8a7796 Clock Pulse Generator / Module Standby and Software Reset 8 * 9 * Copyright (C) 2016 Glider bvba 10 * 11 * SPDX-License-Identifier: GPL-2.0+ 12 */ 13 14 #include <common.h> 15 #include <clk-uclass.h> 16 #include <dm.h> 17 18 #include <dt-bindings/clock/r8a7795-cpg-mssr.h> 19 20 #include "renesas-cpg-mssr.h" 21 22 static const struct cpg_core_clk r8a7795_core_clks[] = { 23 /* External Clock Inputs */ 24 DEF_INPUT("extal", CLK_EXTAL), 25 DEF_INPUT("extalr", CLK_EXTALR), 26 27 /* Internal Core Clocks */ 28 DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), 29 DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), 30 DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), 31 DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), 32 DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), 33 DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), 34 35 DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), 36 DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), 37 DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), 38 DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), 39 DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), 40 DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), 41 DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), 42 DEF_FIXED(".rpcsrc", CLK_RPCSRC, CLK_PLL1, 2, 1), 43 44 /* Core Clock Outputs */ 45 DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), 46 DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), 47 DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1), 48 DEF_FIXED("zx", R8A7795_CLK_ZX, CLK_PLL1_DIV2, 2, 1), 49 DEF_FIXED("s0d1", R8A7795_CLK_S0D1, CLK_S0, 1, 1), 50 DEF_FIXED("s0d2", R8A7795_CLK_S0D2, CLK_S0, 2, 1), 51 DEF_FIXED("s0d3", R8A7795_CLK_S0D3, CLK_S0, 3, 1), 52 DEF_FIXED("s0d4", R8A7795_CLK_S0D4, CLK_S0, 4, 1), 53 DEF_FIXED("s0d6", R8A7795_CLK_S0D6, CLK_S0, 6, 1), 54 DEF_FIXED("s0d8", R8A7795_CLK_S0D8, CLK_S0, 8, 1), 55 DEF_FIXED("s0d12", R8A7795_CLK_S0D12, CLK_S0, 12, 1), 56 DEF_FIXED("s1d1", R8A7795_CLK_S1D1, CLK_S1, 1, 1), 57 DEF_FIXED("s1d2", R8A7795_CLK_S1D2, CLK_S1, 2, 1), 58 DEF_FIXED("s1d4", R8A7795_CLK_S1D4, CLK_S1, 4, 1), 59 DEF_FIXED("s2d1", R8A7795_CLK_S2D1, CLK_S2, 1, 1), 60 DEF_FIXED("s2d2", R8A7795_CLK_S2D2, CLK_S2, 2, 1), 61 DEF_FIXED("s2d4", R8A7795_CLK_S2D4, CLK_S2, 4, 1), 62 DEF_FIXED("s3d1", R8A7795_CLK_S3D1, CLK_S3, 1, 1), 63 DEF_FIXED("s3d2", R8A7795_CLK_S3D2, CLK_S3, 2, 1), 64 DEF_FIXED("s3d4", R8A7795_CLK_S3D4, CLK_S3, 4, 1), 65 66 DEF_GEN3_SD("sd0", R8A7795_CLK_SD0, CLK_SDSRC, 0x074), 67 DEF_GEN3_SD("sd1", R8A7795_CLK_SD1, CLK_SDSRC, 0x078), 68 DEF_GEN3_SD("sd2", R8A7795_CLK_SD2, CLK_SDSRC, 0x268), 69 DEF_GEN3_SD("sd3", R8A7795_CLK_SD3, CLK_SDSRC, 0x26c), 70 71 DEF_GEN3_RPC("rpc", R8A7795_CLK_RPC, CLK_RPCSRC, 0x238), 72 73 DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1), 74 DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1), 75 76 /* NOTE: HDMI, CSI, CAN etc. clock are missing */ 77 78 DEF_BASE("r", R8A7795_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), 79 }; 80 81 static const struct mssr_mod_clk r8a7795_mod_clks[] = { 82 DEF_MOD("fdp1-2", 117, R8A7795_CLK_S2D1), /* ES1.x */ 83 DEF_MOD("fdp1-1", 118, R8A7795_CLK_S0D1), 84 DEF_MOD("fdp1-0", 119, R8A7795_CLK_S0D1), 85 DEF_MOD("scif5", 202, R8A7795_CLK_S3D4), 86 DEF_MOD("scif4", 203, R8A7795_CLK_S3D4), 87 DEF_MOD("scif3", 204, R8A7795_CLK_S3D4), 88 DEF_MOD("scif1", 206, R8A7795_CLK_S3D4), 89 DEF_MOD("scif0", 207, R8A7795_CLK_S3D4), 90 DEF_MOD("msiof3", 208, R8A7795_CLK_MSO), 91 DEF_MOD("msiof2", 209, R8A7795_CLK_MSO), 92 DEF_MOD("msiof1", 210, R8A7795_CLK_MSO), 93 DEF_MOD("msiof0", 211, R8A7795_CLK_MSO), 94 DEF_MOD("sys-dmac2", 217, R8A7795_CLK_S0D3), 95 DEF_MOD("sys-dmac1", 218, R8A7795_CLK_S0D3), 96 DEF_MOD("sys-dmac0", 219, R8A7795_CLK_S0D3), 97 DEF_MOD("cmt3", 300, R8A7795_CLK_R), 98 DEF_MOD("cmt2", 301, R8A7795_CLK_R), 99 DEF_MOD("cmt1", 302, R8A7795_CLK_R), 100 DEF_MOD("cmt0", 303, R8A7795_CLK_R), 101 DEF_MOD("scif2", 310, R8A7795_CLK_S3D4), 102 DEF_MOD("sdif3", 311, R8A7795_CLK_SD3), 103 DEF_MOD("sdif2", 312, R8A7795_CLK_SD2), 104 DEF_MOD("sdif1", 313, R8A7795_CLK_SD1), 105 DEF_MOD("sdif0", 314, R8A7795_CLK_SD0), 106 DEF_MOD("pcie1", 318, R8A7795_CLK_S3D1), 107 DEF_MOD("pcie0", 319, R8A7795_CLK_S3D1), 108 DEF_MOD("usb-dmac30", 326, R8A7795_CLK_S3D1), 109 DEF_MOD("usb3-if1", 327, R8A7795_CLK_S3D1), /* ES1.x */ 110 DEF_MOD("usb3-if0", 328, R8A7795_CLK_S3D1), 111 DEF_MOD("usb-dmac31", 329, R8A7795_CLK_S3D1), 112 DEF_MOD("usb-dmac0", 330, R8A7795_CLK_S3D1), 113 DEF_MOD("usb-dmac1", 331, R8A7795_CLK_S3D1), 114 DEF_MOD("rwdt", 402, R8A7795_CLK_R), 115 DEF_MOD("intc-ex", 407, R8A7795_CLK_CP), 116 DEF_MOD("intc-ap", 408, R8A7795_CLK_S3D1), 117 DEF_MOD("audmac1", 501, R8A7795_CLK_S0D3), 118 DEF_MOD("audmac0", 502, R8A7795_CLK_S0D3), 119 DEF_MOD("drif7", 508, R8A7795_CLK_S3D2), 120 DEF_MOD("drif6", 509, R8A7795_CLK_S3D2), 121 DEF_MOD("drif5", 510, R8A7795_CLK_S3D2), 122 DEF_MOD("drif4", 511, R8A7795_CLK_S3D2), 123 DEF_MOD("drif3", 512, R8A7795_CLK_S3D2), 124 DEF_MOD("drif2", 513, R8A7795_CLK_S3D2), 125 DEF_MOD("drif1", 514, R8A7795_CLK_S3D2), 126 DEF_MOD("drif0", 515, R8A7795_CLK_S3D2), 127 DEF_MOD("hscif4", 516, R8A7795_CLK_S3D1), 128 DEF_MOD("hscif3", 517, R8A7795_CLK_S3D1), 129 DEF_MOD("hscif2", 518, R8A7795_CLK_S3D1), 130 DEF_MOD("hscif1", 519, R8A7795_CLK_S3D1), 131 DEF_MOD("hscif0", 520, R8A7795_CLK_S3D1), 132 DEF_MOD("thermal", 522, R8A7795_CLK_CP), 133 DEF_MOD("pwm", 523, R8A7795_CLK_S0D12), 134 DEF_MOD("fcpvd3", 600, R8A7795_CLK_S2D1), /* ES1.x */ 135 DEF_MOD("fcpvd2", 601, R8A7795_CLK_S0D2), 136 DEF_MOD("fcpvd1", 602, R8A7795_CLK_S0D2), 137 DEF_MOD("fcpvd0", 603, R8A7795_CLK_S0D2), 138 DEF_MOD("fcpvb1", 606, R8A7795_CLK_S0D1), 139 DEF_MOD("fcpvb0", 607, R8A7795_CLK_S0D1), 140 DEF_MOD("fcpvi2", 609, R8A7795_CLK_S2D1), /* ES1.x */ 141 DEF_MOD("fcpvi1", 610, R8A7795_CLK_S0D1), 142 DEF_MOD("fcpvi0", 611, R8A7795_CLK_S0D1), 143 DEF_MOD("fcpf2", 613, R8A7795_CLK_S2D1), /* ES1.x */ 144 DEF_MOD("fcpf1", 614, R8A7795_CLK_S0D1), 145 DEF_MOD("fcpf0", 615, R8A7795_CLK_S0D1), 146 DEF_MOD("fcpci1", 616, R8A7795_CLK_S2D1), /* ES1.x */ 147 DEF_MOD("fcpci0", 617, R8A7795_CLK_S2D1), /* ES1.x */ 148 DEF_MOD("fcpcs", 619, R8A7795_CLK_S0D1), 149 DEF_MOD("vspd3", 620, R8A7795_CLK_S2D1), /* ES1.x */ 150 DEF_MOD("vspd2", 621, R8A7795_CLK_S0D2), 151 DEF_MOD("vspd1", 622, R8A7795_CLK_S0D2), 152 DEF_MOD("vspd0", 623, R8A7795_CLK_S0D2), 153 DEF_MOD("vspbc", 624, R8A7795_CLK_S0D1), 154 DEF_MOD("vspbd", 626, R8A7795_CLK_S0D1), 155 DEF_MOD("vspi2", 629, R8A7795_CLK_S2D1), /* ES1.x */ 156 DEF_MOD("vspi1", 630, R8A7795_CLK_S0D1), 157 DEF_MOD("vspi0", 631, R8A7795_CLK_S0D1), 158 DEF_MOD("ehci3", 700, R8A7795_CLK_S3D4), 159 DEF_MOD("ehci2", 701, R8A7795_CLK_S3D4), 160 DEF_MOD("ehci1", 702, R8A7795_CLK_S3D4), 161 DEF_MOD("ehci0", 703, R8A7795_CLK_S3D4), 162 DEF_MOD("hsusb", 704, R8A7795_CLK_S3D4), 163 DEF_MOD("hsusb3", 705, R8A7795_CLK_S3D4), 164 DEF_MOD("csi21", 713, R8A7795_CLK_CSI0), /* ES1.x */ 165 DEF_MOD("csi20", 714, R8A7795_CLK_CSI0), 166 DEF_MOD("csi41", 715, R8A7795_CLK_CSI0), 167 DEF_MOD("csi40", 716, R8A7795_CLK_CSI0), 168 DEF_MOD("du3", 721, R8A7795_CLK_S2D1), 169 DEF_MOD("du2", 722, R8A7795_CLK_S2D1), 170 DEF_MOD("du1", 723, R8A7795_CLK_S2D1), 171 DEF_MOD("du0", 724, R8A7795_CLK_S2D1), 172 DEF_MOD("lvds", 727, R8A7795_CLK_S0D4), 173 DEF_MOD("hdmi1", 728, R8A7795_CLK_HDMI), 174 DEF_MOD("hdmi0", 729, R8A7795_CLK_HDMI), 175 DEF_MOD("vin7", 804, R8A7795_CLK_S0D2), 176 DEF_MOD("vin6", 805, R8A7795_CLK_S0D2), 177 DEF_MOD("vin5", 806, R8A7795_CLK_S0D2), 178 DEF_MOD("vin4", 807, R8A7795_CLK_S0D2), 179 DEF_MOD("vin3", 808, R8A7795_CLK_S0D2), 180 DEF_MOD("vin2", 809, R8A7795_CLK_S0D2), 181 DEF_MOD("vin1", 810, R8A7795_CLK_S0D2), 182 DEF_MOD("vin0", 811, R8A7795_CLK_S0D2), 183 DEF_MOD("etheravb", 812, R8A7795_CLK_S0D6), 184 DEF_MOD("sata0", 815, R8A7795_CLK_S3D2), 185 DEF_MOD("imr3", 820, R8A7795_CLK_S0D2), 186 DEF_MOD("imr2", 821, R8A7795_CLK_S0D2), 187 DEF_MOD("imr1", 822, R8A7795_CLK_S0D2), 188 DEF_MOD("imr0", 823, R8A7795_CLK_S0D2), 189 DEF_MOD("gpio7", 905, R8A7795_CLK_S3D4), 190 DEF_MOD("gpio6", 906, R8A7795_CLK_S3D4), 191 DEF_MOD("gpio5", 907, R8A7795_CLK_S3D4), 192 DEF_MOD("gpio4", 908, R8A7795_CLK_S3D4), 193 DEF_MOD("gpio3", 909, R8A7795_CLK_S3D4), 194 DEF_MOD("gpio2", 910, R8A7795_CLK_S3D4), 195 DEF_MOD("gpio1", 911, R8A7795_CLK_S3D4), 196 DEF_MOD("gpio0", 912, R8A7795_CLK_S3D4), 197 DEF_MOD("can-fd", 914, R8A7795_CLK_S3D2), 198 DEF_MOD("can-if1", 915, R8A7795_CLK_S3D4), 199 DEF_MOD("can-if0", 916, R8A7795_CLK_S3D4), 200 DEF_MOD("rpc", 917, R8A7795_CLK_RPC), 201 DEF_MOD("i2c6", 918, R8A7795_CLK_S0D6), 202 DEF_MOD("i2c5", 919, R8A7795_CLK_S0D6), 203 DEF_MOD("i2c-dvfs", 926, R8A7795_CLK_CP), 204 DEF_MOD("i2c4", 927, R8A7795_CLK_S0D6), 205 DEF_MOD("i2c3", 928, R8A7795_CLK_S0D6), 206 DEF_MOD("i2c2", 929, R8A7795_CLK_S3D2), 207 DEF_MOD("i2c1", 930, R8A7795_CLK_S3D2), 208 DEF_MOD("i2c0", 931, R8A7795_CLK_S3D2), 209 DEF_MOD("ssi-all", 1005, R8A7795_CLK_S3D4), 210 DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), 211 DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), 212 DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), 213 DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), 214 DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), 215 DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), 216 DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), 217 DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), 218 DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), 219 DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), 220 DEF_MOD("scu-all", 1017, R8A7795_CLK_S3D4), 221 DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), 222 DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), 223 DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), 224 DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), 225 DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), 226 DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), 227 DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), 228 DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), 229 DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), 230 DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), 231 DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), 232 DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), 233 DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), 234 DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), 235 }; 236 237 static const struct mstp_stop_table r8a7795_mstp_table[] = { 238 { 0x00640800, 0x0 }, { 0xF3EE9390, 0x0 }, 239 { 0x340FAFDC, 0x2040 }, { 0xD80C7CDF, 0x400 }, 240 { 0x80000184, 0x180 }, { 0x40BFFF46, 0x0 }, 241 { 0xE5FBEECF, 0x0 }, { 0x39FFFF0E, 0x0 }, 242 { 0x01F19FF4, 0x0 }, { 0xFFDFFFFF, 0x0 }, 243 { 0xFFFEFFE0, 0x0 }, { 0x00000000, 0x0 }, 244 }; 245 246 static const struct cpg_mssr_info r8a7795_cpg_mssr_info = { 247 .core_clk = r8a7795_core_clks, 248 .core_clk_size = ARRAY_SIZE(r8a7795_core_clks), 249 .mod_clk = r8a7795_mod_clks, 250 .mod_clk_size = ARRAY_SIZE(r8a7795_mod_clks), 251 .mstp_table = r8a7795_mstp_table, 252 .mstp_table_size = ARRAY_SIZE(r8a7795_mstp_table), 253 .reset_node = "renesas,r8a7795-rst", 254 .extalr_node = "extalr", 255 }; 256 257 static const struct udevice_id r8a7795_clk_ids[] = { 258 { 259 .compatible = "renesas,r8a7795-cpg-mssr", 260 .data = (ulong)&r8a7795_cpg_mssr_info 261 }, 262 { } 263 }; 264 265 U_BOOT_DRIVER(clk_r8a7795) = { 266 .name = "clk_r8a7795", 267 .id = UCLASS_CLK, 268 .of_match = r8a7795_clk_ids, 269 .priv_auto_alloc_size = sizeof(struct gen3_clk_priv), 270 .ops = &gen3_clk_ops, 271 .probe = gen3_clk_probe, 272 .remove = gen3_clk_remove, 273 }; 274