1 /* 2 * Copyright (c) 2014 MundoReader S.L. 3 * Author: Heiko Stuebner <heiko@sntech.de> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #include <linux/clk.h> 17 #include <linux/clk-provider.h> 18 #include <linux/of.h> 19 #include <linux/of_address.h> 20 #include <dt-bindings/clock/rk3188-cru-common.h> 21 #include "clk.h" 22 23 #define RK3066_GRF_SOC_STATUS 0x15c 24 #define RK3188_GRF_SOC_STATUS 0xac 25 26 enum rk3188_plls { 27 apll, cpll, dpll, gpll, 28 }; 29 30 static struct rockchip_pll_rate_table rk3188_pll_rates[] = { 31 RK3066_PLL_RATE(2208000000, 1, 92, 1), 32 RK3066_PLL_RATE(2184000000, 1, 91, 1), 33 RK3066_PLL_RATE(2160000000, 1, 90, 1), 34 RK3066_PLL_RATE(2136000000, 1, 89, 1), 35 RK3066_PLL_RATE(2112000000, 1, 88, 1), 36 RK3066_PLL_RATE(2088000000, 1, 87, 1), 37 RK3066_PLL_RATE(2064000000, 1, 86, 1), 38 RK3066_PLL_RATE(2040000000, 1, 85, 1), 39 RK3066_PLL_RATE(2016000000, 1, 84, 1), 40 RK3066_PLL_RATE(1992000000, 1, 83, 1), 41 RK3066_PLL_RATE(1968000000, 1, 82, 1), 42 RK3066_PLL_RATE(1944000000, 1, 81, 1), 43 RK3066_PLL_RATE(1920000000, 1, 80, 1), 44 RK3066_PLL_RATE(1896000000, 1, 79, 1), 45 RK3066_PLL_RATE(1872000000, 1, 78, 1), 46 RK3066_PLL_RATE(1848000000, 1, 77, 1), 47 RK3066_PLL_RATE(1824000000, 1, 76, 1), 48 RK3066_PLL_RATE(1800000000, 1, 75, 1), 49 RK3066_PLL_RATE(1776000000, 1, 74, 1), 50 RK3066_PLL_RATE(1752000000, 1, 73, 1), 51 RK3066_PLL_RATE(1728000000, 1, 72, 1), 52 RK3066_PLL_RATE(1704000000, 1, 71, 1), 53 RK3066_PLL_RATE(1680000000, 1, 70, 1), 54 RK3066_PLL_RATE(1656000000, 1, 69, 1), 55 RK3066_PLL_RATE(1632000000, 1, 68, 1), 56 RK3066_PLL_RATE(1608000000, 1, 67, 1), 57 RK3066_PLL_RATE(1560000000, 1, 65, 1), 58 RK3066_PLL_RATE(1512000000, 1, 63, 1), 59 RK3066_PLL_RATE(1488000000, 1, 62, 1), 60 RK3066_PLL_RATE(1464000000, 1, 61, 1), 61 RK3066_PLL_RATE(1440000000, 1, 60, 1), 62 RK3066_PLL_RATE(1416000000, 1, 59, 1), 63 RK3066_PLL_RATE(1392000000, 1, 58, 1), 64 RK3066_PLL_RATE(1368000000, 1, 57, 1), 65 RK3066_PLL_RATE(1344000000, 1, 56, 1), 66 RK3066_PLL_RATE(1320000000, 1, 55, 1), 67 RK3066_PLL_RATE(1296000000, 1, 54, 1), 68 RK3066_PLL_RATE(1272000000, 1, 53, 1), 69 RK3066_PLL_RATE(1248000000, 1, 52, 1), 70 RK3066_PLL_RATE(1224000000, 1, 51, 1), 71 RK3066_PLL_RATE(1200000000, 1, 50, 1), 72 RK3066_PLL_RATE(1188000000, 2, 99, 1), 73 RK3066_PLL_RATE(1176000000, 1, 49, 1), 74 RK3066_PLL_RATE(1128000000, 1, 47, 1), 75 RK3066_PLL_RATE(1104000000, 1, 46, 1), 76 RK3066_PLL_RATE(1008000000, 1, 84, 2), 77 RK3066_PLL_RATE( 912000000, 1, 76, 2), 78 RK3066_PLL_RATE( 891000000, 8, 594, 2), 79 RK3066_PLL_RATE( 888000000, 1, 74, 2), 80 RK3066_PLL_RATE( 816000000, 1, 68, 2), 81 RK3066_PLL_RATE( 798000000, 2, 133, 2), 82 RK3066_PLL_RATE( 792000000, 1, 66, 2), 83 RK3066_PLL_RATE( 768000000, 1, 64, 2), 84 RK3066_PLL_RATE( 742500000, 8, 495, 2), 85 RK3066_PLL_RATE( 696000000, 1, 58, 2), 86 RK3066_PLL_RATE( 600000000, 1, 50, 2), 87 RK3066_PLL_RATE( 594000000, 2, 198, 4), 88 RK3066_PLL_RATE( 552000000, 1, 46, 2), 89 RK3066_PLL_RATE( 504000000, 1, 84, 4), 90 RK3066_PLL_RATE( 456000000, 1, 76, 4), 91 RK3066_PLL_RATE( 408000000, 1, 68, 4), 92 RK3066_PLL_RATE( 384000000, 2, 128, 4), 93 RK3066_PLL_RATE( 360000000, 1, 60, 4), 94 RK3066_PLL_RATE( 312000000, 1, 52, 4), 95 RK3066_PLL_RATE( 300000000, 1, 50, 4), 96 RK3066_PLL_RATE( 297000000, 2, 198, 8), 97 RK3066_PLL_RATE( 252000000, 1, 84, 8), 98 RK3066_PLL_RATE( 216000000, 1, 72, 8), 99 RK3066_PLL_RATE( 148500000, 2, 99, 8), 100 RK3066_PLL_RATE( 126000000, 1, 84, 16), 101 RK3066_PLL_RATE( 48000000, 1, 64, 32), 102 { /* sentinel */ }, 103 }; 104 105 #define RK3066_DIV_CORE_PERIPH_MASK 0x3 106 #define RK3066_DIV_CORE_PERIPH_SHIFT 6 107 #define RK3066_DIV_ACLK_CORE_MASK 0x7 108 #define RK3066_DIV_ACLK_CORE_SHIFT 0 109 #define RK3066_DIV_ACLK_HCLK_MASK 0x3 110 #define RK3066_DIV_ACLK_HCLK_SHIFT 8 111 #define RK3066_DIV_ACLK_PCLK_MASK 0x3 112 #define RK3066_DIV_ACLK_PCLK_SHIFT 12 113 #define RK3066_DIV_AHB2APB_MASK 0x3 114 #define RK3066_DIV_AHB2APB_SHIFT 14 115 116 #define RK3066_CLKSEL0(_core_peri) \ 117 { \ 118 .reg = RK2928_CLKSEL_CON(0), \ 119 .val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \ 120 RK3066_DIV_CORE_PERIPH_SHIFT) \ 121 } 122 #define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb) \ 123 { \ 124 .reg = RK2928_CLKSEL_CON(1), \ 125 .val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \ 126 RK3066_DIV_ACLK_CORE_SHIFT) | \ 127 HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \ 128 RK3066_DIV_ACLK_HCLK_SHIFT) | \ 129 HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \ 130 RK3066_DIV_ACLK_PCLK_SHIFT) | \ 131 HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK, \ 132 RK3066_DIV_AHB2APB_SHIFT), \ 133 } 134 135 #define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \ 136 { \ 137 .prate = _prate, \ 138 .divs = { \ 139 RK3066_CLKSEL0(_core_peri), \ 140 RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p), \ 141 }, \ 142 } 143 144 static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = { 145 RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1), 146 RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1), 147 RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1), 148 RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1), 149 RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1), 150 RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1), 151 RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0), 152 }; 153 154 static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = { 155 .core_reg = RK2928_CLKSEL_CON(0), 156 .div_core_shift = 0, 157 .div_core_mask = 0x1f, 158 .mux_core_shift = 8, 159 }; 160 161 #define RK3188_DIV_ACLK_CORE_MASK 0x7 162 #define RK3188_DIV_ACLK_CORE_SHIFT 3 163 164 #define RK3188_CLKSEL1(_aclk_core) \ 165 { \ 166 .reg = RK2928_CLKSEL_CON(1), \ 167 .val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\ 168 RK3188_DIV_ACLK_CORE_SHIFT) \ 169 } 170 #define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core) \ 171 { \ 172 .prate = _prate, \ 173 .divs = { \ 174 RK3066_CLKSEL0(_core_peri), \ 175 RK3188_CLKSEL1(_aclk_core), \ 176 }, \ 177 } 178 179 static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = { 180 RK3188_CPUCLK_RATE(1608000000, 2, 3), 181 RK3188_CPUCLK_RATE(1416000000, 2, 3), 182 RK3188_CPUCLK_RATE(1200000000, 2, 3), 183 RK3188_CPUCLK_RATE(1008000000, 2, 3), 184 RK3188_CPUCLK_RATE( 816000000, 2, 3), 185 RK3188_CPUCLK_RATE( 600000000, 1, 3), 186 RK3188_CPUCLK_RATE( 504000000, 1, 3), 187 RK3188_CPUCLK_RATE( 312000000, 0, 1), 188 }; 189 190 static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = { 191 .core_reg = RK2928_CLKSEL_CON(0), 192 .div_core_shift = 9, 193 .div_core_mask = 0x1f, 194 .mux_core_shift = 8, 195 }; 196 197 PNAME(mux_pll_p) = { "xin24m", "xin32k" }; 198 PNAME(mux_armclk_p) = { "apll", "gpll_armclk" }; 199 PNAME(mux_ddrphy_p) = { "dpll", "gpll_ddr" }; 200 PNAME(mux_pll_src_gpll_cpll_p) = { "gpll", "cpll" }; 201 PNAME(mux_pll_src_cpll_gpll_p) = { "cpll", "gpll" }; 202 PNAME(mux_aclk_cpu_p) = { "apll", "gpll" }; 203 PNAME(mux_sclk_cif0_p) = { "cif0_pre", "xin24m" }; 204 PNAME(mux_sclk_i2s0_p) = { "i2s0_pre", "i2s0_frac", "xin12m" }; 205 PNAME(mux_sclk_spdif_p) = { "spdif_pre", "spdif_frac", "xin12m" }; 206 PNAME(mux_sclk_uart0_p) = { "uart0_pre", "uart0_frac", "xin24m" }; 207 PNAME(mux_sclk_uart1_p) = { "uart1_pre", "uart1_frac", "xin24m" }; 208 PNAME(mux_sclk_uart2_p) = { "uart2_pre", "uart2_frac", "xin24m" }; 209 PNAME(mux_sclk_uart3_p) = { "uart3_pre", "uart3_frac", "xin24m" }; 210 PNAME(mux_sclk_hsadc_p) = { "hsadc_src", "hsadc_frac", "ext_hsadc" }; 211 PNAME(mux_mac_p) = { "gpll", "dpll" }; 212 PNAME(mux_sclk_macref_p) = { "mac_src", "ext_rmii" }; 213 214 static struct rockchip_pll_clock rk3066_pll_clks[] __initdata = { 215 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0), 216 RK2928_MODE_CON, 0, 5, 0, rk3188_pll_rates), 217 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4), 218 RK2928_MODE_CON, 4, 4, 0, NULL), 219 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8), 220 RK2928_MODE_CON, 8, 6, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates), 221 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12), 222 RK2928_MODE_CON, 12, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates), 223 }; 224 225 static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = { 226 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0), 227 RK2928_MODE_CON, 0, 6, 0, rk3188_pll_rates), 228 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4), 229 RK2928_MODE_CON, 4, 5, 0, NULL), 230 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8), 231 RK2928_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates), 232 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12), 233 RK2928_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates), 234 }; 235 236 #define MFLAGS CLK_MUX_HIWORD_MASK 237 #define DFLAGS CLK_DIVIDER_HIWORD_MASK 238 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) 239 #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK 240 241 /* 2 ^ (val + 1) */ 242 static struct clk_div_table div_core_peri_t[] = { 243 { .val = 0, .div = 2 }, 244 { .val = 1, .div = 4 }, 245 { .val = 2, .div = 8 }, 246 { .val = 3, .div = 16 }, 247 { /* sentinel */ }, 248 }; 249 250 static struct rockchip_clk_branch common_hsadc_out_fracmux __initdata = 251 MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0, 252 RK2928_CLKSEL_CON(22), 4, 2, MFLAGS); 253 254 static struct rockchip_clk_branch common_spdif_fracmux __initdata = 255 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT, 256 RK2928_CLKSEL_CON(5), 8, 2, MFLAGS); 257 258 static struct rockchip_clk_branch common_uart0_fracmux __initdata = 259 MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0, 260 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS); 261 262 static struct rockchip_clk_branch common_uart1_fracmux __initdata = 263 MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0, 264 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS); 265 266 static struct rockchip_clk_branch common_uart2_fracmux __initdata = 267 MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0, 268 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS); 269 270 static struct rockchip_clk_branch common_uart3_fracmux __initdata = 271 MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0, 272 RK2928_CLKSEL_CON(16), 8, 2, MFLAGS); 273 274 static struct rockchip_clk_branch common_clk_branches[] __initdata = { 275 /* 276 * Clock-Architecture Diagram 2 277 */ 278 279 GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS), 280 281 /* these two are set by the cpuclk and should not be changed */ 282 COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0, 283 RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY, 284 div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS), 285 286 COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0, 287 RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS, 288 RK2928_CLKGATE_CON(3), 9, GFLAGS), 289 GATE(0, "hclk_vepu", "aclk_vepu", 0, 290 RK2928_CLKGATE_CON(3), 10, GFLAGS), 291 COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0, 292 RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS, 293 RK2928_CLKGATE_CON(3), 11, GFLAGS), 294 GATE(0, "hclk_vdpu", "aclk_vdpu", 0, 295 RK2928_CLKGATE_CON(3), 12, GFLAGS), 296 297 GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED, 298 RK2928_CLKGATE_CON(1), 7, GFLAGS), 299 COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED, 300 RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, 301 RK2928_CLKGATE_CON(0), 2, GFLAGS), 302 303 GATE(0, "aclk_cpu", "aclk_cpu_pre", 0, 304 RK2928_CLKGATE_CON(0), 3, GFLAGS), 305 306 GATE(0, "atclk_cpu", "pclk_cpu_pre", 0, 307 RK2928_CLKGATE_CON(0), 6, GFLAGS), 308 GATE(0, "pclk_cpu", "pclk_cpu_pre", 0, 309 RK2928_CLKGATE_CON(0), 5, GFLAGS), 310 GATE(0, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED, 311 RK2928_CLKGATE_CON(0), 4, GFLAGS), 312 313 COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, 314 RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS, 315 RK2928_CLKGATE_CON(3), 0, GFLAGS), 316 COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0, 317 RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS, 318 RK2928_CLKGATE_CON(1), 4, GFLAGS), 319 320 GATE(0, "aclk_peri", "aclk_peri_pre", 0, 321 RK2928_CLKGATE_CON(2), 1, GFLAGS), 322 COMPOSITE_NOMUX(0, "hclk_peri", "aclk_peri_pre", 0, 323 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, 324 RK2928_CLKGATE_CON(2), 2, GFLAGS), 325 COMPOSITE_NOMUX(0, "pclk_peri", "aclk_peri_pre", 0, 326 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, 327 RK2928_CLKGATE_CON(2), 3, GFLAGS), 328 329 MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0, 330 RK2928_CLKSEL_CON(29), 0, 1, MFLAGS), 331 COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0, 332 RK2928_CLKSEL_CON(29), 1, 5, DFLAGS, 333 RK2928_CLKGATE_CON(3), 7, GFLAGS), 334 MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0, 335 RK2928_CLKSEL_CON(29), 7, 1, MFLAGS), 336 337 GATE(0, "pclkin_cif0", "ext_cif0", 0, 338 RK2928_CLKGATE_CON(3), 3, GFLAGS), 339 INVERTER(0, "pclk_cif0", "pclkin_cif0", 340 RK2928_CLKSEL_CON(30), 8, IFLAGS), 341 342 /* 343 * the 480m are generated inside the usb block from these clocks, 344 * but they are also a source for the hsicphy clock. 345 */ 346 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED, 347 RK2928_CLKGATE_CON(1), 5, GFLAGS), 348 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED, 349 RK2928_CLKGATE_CON(1), 6, GFLAGS), 350 351 COMPOSITE(0, "mac_src", mux_mac_p, 0, 352 RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS, 353 RK2928_CLKGATE_CON(2), 5, GFLAGS), 354 MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT, 355 RK2928_CLKSEL_CON(21), 4, 1, MFLAGS), 356 GATE(0, "sclk_mac_lbtest", "sclk_macref", 357 RK2928_CLKGATE_CON(2), 12, 0, GFLAGS), 358 359 COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0, 360 RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS, 361 RK2928_CLKGATE_CON(2), 6, GFLAGS), 362 COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0, 363 RK2928_CLKSEL_CON(23), 0, 364 RK2928_CLKGATE_CON(2), 7, GFLAGS, 365 &common_hsadc_out_fracmux), 366 INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out", 367 RK2928_CLKSEL_CON(22), 7, IFLAGS), 368 369 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0, 370 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS, 371 RK2928_CLKGATE_CON(2), 8, GFLAGS), 372 373 COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0, 374 RK2928_CLKSEL_CON(5), 0, 7, DFLAGS, 375 RK2928_CLKGATE_CON(0), 13, GFLAGS), 376 COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pll", CLK_SET_RATE_PARENT, 377 RK2928_CLKSEL_CON(9), 0, 378 RK2928_CLKGATE_CON(0), 14, GFLAGS, 379 &common_spdif_fracmux), 380 381 /* 382 * Clock-Architecture Diagram 4 383 */ 384 385 GATE(SCLK_SMC, "sclk_smc", "hclk_peri", 386 RK2928_CLKGATE_CON(2), 4, 0, GFLAGS), 387 388 COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0, 389 RK2928_CLKSEL_CON(25), 0, 7, DFLAGS, 390 RK2928_CLKGATE_CON(2), 9, GFLAGS), 391 COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0, 392 RK2928_CLKSEL_CON(25), 8, 7, DFLAGS, 393 RK2928_CLKGATE_CON(2), 10, GFLAGS), 394 395 COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0, 396 RK2928_CLKSEL_CON(11), 0, 6, DFLAGS, 397 RK2928_CLKGATE_CON(2), 11, GFLAGS), 398 COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0, 399 RK2928_CLKSEL_CON(12), 0, 6, DFLAGS, 400 RK2928_CLKGATE_CON(2), 13, GFLAGS), 401 COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0, 402 RK2928_CLKSEL_CON(12), 8, 6, DFLAGS, 403 RK2928_CLKGATE_CON(2), 14, GFLAGS), 404 405 MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0, 406 RK2928_CLKSEL_CON(12), 15, 1, MFLAGS), 407 COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0, 408 RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, 409 RK2928_CLKGATE_CON(1), 8, GFLAGS), 410 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", 0, 411 RK2928_CLKSEL_CON(17), 0, 412 RK2928_CLKGATE_CON(1), 9, GFLAGS, 413 &common_uart0_fracmux), 414 COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0, 415 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS, 416 RK2928_CLKGATE_CON(1), 10, GFLAGS), 417 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", 0, 418 RK2928_CLKSEL_CON(18), 0, 419 RK2928_CLKGATE_CON(1), 11, GFLAGS, 420 &common_uart1_fracmux), 421 COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0, 422 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS, 423 RK2928_CLKGATE_CON(1), 12, GFLAGS), 424 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", 0, 425 RK2928_CLKSEL_CON(19), 0, 426 RK2928_CLKGATE_CON(1), 13, GFLAGS, 427 &common_uart2_fracmux), 428 COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0, 429 RK2928_CLKSEL_CON(16), 0, 7, DFLAGS, 430 RK2928_CLKGATE_CON(1), 14, GFLAGS), 431 COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", 0, 432 RK2928_CLKSEL_CON(20), 0, 433 RK2928_CLKGATE_CON(1), 15, GFLAGS, 434 &common_uart3_fracmux), 435 436 GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS), 437 438 GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS), 439 GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS), 440 441 /* clk_core_pre gates */ 442 GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS), 443 444 /* aclk_cpu gates */ 445 GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS), 446 GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS), 447 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS), 448 449 /* hclk_cpu gates */ 450 GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS), 451 GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS), 452 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS), 453 GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS), 454 /* hclk_ahb2apb is part of a clk branch */ 455 GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS), 456 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS), 457 GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS), 458 GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS), 459 GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS), 460 GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS), 461 462 /* hclk_peri gates */ 463 GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS), 464 GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS), 465 GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS), 466 GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS), 467 GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS), 468 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS), 469 GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS), 470 GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS), 471 GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS), 472 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS), 473 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS), 474 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS), 475 476 /* aclk_lcdc0_pre gates */ 477 GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS), 478 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS), 479 GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS), 480 GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS), 481 482 /* aclk_lcdc1_pre gates */ 483 GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS), 484 GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS), 485 GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS), 486 487 /* atclk_cpu gates */ 488 GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS), 489 GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS), 490 491 /* pclk_cpu gates */ 492 GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS), 493 GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS), 494 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS), 495 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS), 496 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS), 497 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS), 498 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS), 499 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS), 500 GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS), 501 GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS), 502 GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS), 503 GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS), 504 GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS), 505 GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS), 506 507 /* aclk_peri */ 508 GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS), 509 GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS), 510 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS), 511 GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS), 512 GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS), 513 514 /* pclk_peri gates */ 515 GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS), 516 GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS), 517 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS), 518 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS), 519 GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS), 520 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS), 521 GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS), 522 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS), 523 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS), 524 GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS), 525 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS), 526 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS), 527 }; 528 529 PNAME(mux_rk3066_lcdc0_p) = { "dclk_lcdc0_src", "xin27m" }; 530 PNAME(mux_rk3066_lcdc1_p) = { "dclk_lcdc1_src", "xin27m" }; 531 PNAME(mux_sclk_cif1_p) = { "cif1_pre", "xin24m" }; 532 PNAME(mux_sclk_i2s1_p) = { "i2s1_pre", "i2s1_frac", "xin12m" }; 533 PNAME(mux_sclk_i2s2_p) = { "i2s2_pre", "i2s2_frac", "xin12m" }; 534 535 static struct clk_div_table div_aclk_cpu_t[] = { 536 { .val = 0, .div = 1 }, 537 { .val = 1, .div = 2 }, 538 { .val = 2, .div = 3 }, 539 { .val = 3, .div = 4 }, 540 { .val = 4, .div = 8 }, 541 { /* sentinel */ }, 542 }; 543 544 static struct rockchip_clk_branch rk3066a_i2s0_fracmux __initdata = 545 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0, 546 RK2928_CLKSEL_CON(2), 8, 2, MFLAGS); 547 548 static struct rockchip_clk_branch rk3066a_i2s1_fracmux __initdata = 549 MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0, 550 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS); 551 552 static struct rockchip_clk_branch rk3066a_i2s2_fracmux __initdata = 553 MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0, 554 RK2928_CLKSEL_CON(4), 8, 2, MFLAGS); 555 556 static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = { 557 DIVTBL(0, "aclk_cpu_pre", "armclk", 0, 558 RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t), 559 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0, 560 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO 561 | CLK_DIVIDER_READ_ONLY), 562 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0, 563 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO 564 | CLK_DIVIDER_READ_ONLY), 565 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0, 566 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO 567 | CLK_DIVIDER_READ_ONLY, 568 RK2928_CLKGATE_CON(4), 9, GFLAGS), 569 570 GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED, 571 RK2928_CLKGATE_CON(9), 4, GFLAGS), 572 573 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0, 574 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS, 575 RK2928_CLKGATE_CON(2), 0, GFLAGS), 576 577 COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0, 578 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS, 579 RK2928_CLKGATE_CON(3), 1, GFLAGS), 580 MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, 0, 581 RK2928_CLKSEL_CON(27), 4, 1, MFLAGS), 582 COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0, 583 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS, 584 RK2928_CLKGATE_CON(3), 2, GFLAGS), 585 MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, 0, 586 RK2928_CLKSEL_CON(28), 4, 1, MFLAGS), 587 588 COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0, 589 RK2928_CLKSEL_CON(29), 8, 5, DFLAGS, 590 RK2928_CLKGATE_CON(3), 8, GFLAGS), 591 MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0, 592 RK2928_CLKSEL_CON(29), 15, 1, MFLAGS), 593 594 GATE(0, "pclkin_cif1", "ext_cif1", 0, 595 RK2928_CLKGATE_CON(3), 4, GFLAGS), 596 INVERTER(0, "pclk_cif1", "pclkin_cif1", 597 RK2928_CLKSEL_CON(30), 12, IFLAGS), 598 599 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0, 600 RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS, 601 RK2928_CLKGATE_CON(3), 13, GFLAGS), 602 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0, 603 RK2928_CLKGATE_CON(5), 15, GFLAGS), 604 605 GATE(SCLK_TIMER2, "timer2", "xin24m", 0, 606 RK2928_CLKGATE_CON(3), 2, GFLAGS), 607 608 COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0, 609 RK2928_CLKSEL_CON(34), 0, 16, DFLAGS, 610 RK2928_CLKGATE_CON(2), 15, GFLAGS), 611 612 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0, 613 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS), 614 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0, 615 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS, 616 RK2928_CLKGATE_CON(0), 7, GFLAGS), 617 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0, 618 RK2928_CLKSEL_CON(6), 0, 619 RK2928_CLKGATE_CON(0), 8, GFLAGS, 620 &rk3066a_i2s0_fracmux), 621 COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0, 622 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS, 623 RK2928_CLKGATE_CON(0), 9, GFLAGS), 624 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_pre", 0, 625 RK2928_CLKSEL_CON(7), 0, 626 RK2928_CLKGATE_CON(0), 10, GFLAGS, 627 &rk3066a_i2s1_fracmux), 628 COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0, 629 RK2928_CLKSEL_CON(4), 0, 7, DFLAGS, 630 RK2928_CLKGATE_CON(0), 11, GFLAGS), 631 COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_pre", 0, 632 RK2928_CLKSEL_CON(8), 0, 633 RK2928_CLKGATE_CON(0), 12, GFLAGS, 634 &rk3066a_i2s2_fracmux), 635 636 GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS), 637 GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS), 638 GATE(0, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS), 639 GATE(0, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS), 640 641 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED, 642 RK2928_CLKGATE_CON(5), 14, GFLAGS), 643 644 GATE(0, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS), 645 646 GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS), 647 GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS), 648 GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS), 649 GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS), 650 GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS), 651 652 GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS), 653 GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS), 654 }; 655 656 static struct clk_div_table div_rk3188_aclk_core_t[] = { 657 { .val = 0, .div = 1 }, 658 { .val = 1, .div = 2 }, 659 { .val = 2, .div = 3 }, 660 { .val = 3, .div = 4 }, 661 { .val = 4, .div = 8 }, 662 { /* sentinel */ }, 663 }; 664 665 PNAME(mux_hsicphy_p) = { "sclk_otgphy0", "sclk_otgphy1", 666 "gpll", "cpll" }; 667 668 static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata = 669 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0, 670 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS); 671 672 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = { 673 COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED, 674 RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, 675 div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS), 676 677 /* do not source aclk_cpu_pre from the apll, to keep complexity down */ 678 COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT, 679 RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS), 680 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0, 681 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), 682 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0, 683 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), 684 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0, 685 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, 686 RK2928_CLKGATE_CON(4), 9, GFLAGS), 687 688 GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED, 689 RK2928_CLKGATE_CON(9), 4, GFLAGS), 690 691 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0, 692 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS, 693 RK2928_CLKGATE_CON(2), 0, GFLAGS), 694 695 COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0, 696 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS, 697 RK2928_CLKGATE_CON(3), 1, GFLAGS), 698 COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0, 699 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS, 700 RK2928_CLKGATE_CON(3), 2, GFLAGS), 701 702 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0, 703 RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS, 704 RK2928_CLKGATE_CON(3), 15, GFLAGS), 705 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0, 706 RK2928_CLKGATE_CON(9), 7, GFLAGS), 707 708 GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS), 709 GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS), 710 GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS), 711 GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS), 712 GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS), 713 714 COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0, 715 RK2928_CLKSEL_CON(30), 0, 2, DFLAGS, 716 RK2928_CLKGATE_CON(3), 6, GFLAGS), 717 DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0, 718 RK2928_CLKSEL_CON(11), 8, 6, DFLAGS), 719 720 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0, 721 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS), 722 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0, 723 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS, 724 RK2928_CLKGATE_CON(0), 9, GFLAGS), 725 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0, 726 RK2928_CLKSEL_CON(7), 0, 727 RK2928_CLKGATE_CON(0), 10, GFLAGS, 728 &rk3188_i2s0_fracmux), 729 730 GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS), 731 GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS), 732 733 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED, 734 RK2928_CLKGATE_CON(7), 3, GFLAGS), 735 GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS), 736 737 GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS), 738 739 GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS), 740 GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS), 741 742 GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS), 743 }; 744 745 static const char *const rk3188_critical_clocks[] __initconst = { 746 "aclk_cpu", 747 "aclk_peri", 748 "hclk_peri", 749 "pclk_cpu", 750 "pclk_peri", 751 }; 752 753 static void __init rk3188_common_clk_init(struct device_node *np) 754 { 755 void __iomem *reg_base; 756 struct clk *clk; 757 758 reg_base = of_iomap(np, 0); 759 if (!reg_base) { 760 pr_err("%s: could not map cru region\n", __func__); 761 return; 762 } 763 764 rockchip_clk_init(np, reg_base, CLK_NR_CLKS); 765 766 /* xin12m is created by an cru-internal divider */ 767 clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2); 768 if (IS_ERR(clk)) 769 pr_warn("%s: could not register clock xin12m: %ld\n", 770 __func__, PTR_ERR(clk)); 771 772 clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1); 773 if (IS_ERR(clk)) 774 pr_warn("%s: could not register clock usb480m: %ld\n", 775 __func__, PTR_ERR(clk)); 776 777 rockchip_clk_register_branches(common_clk_branches, 778 ARRAY_SIZE(common_clk_branches)); 779 780 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), 781 ROCKCHIP_SOFTRST_HIWORD_MASK); 782 783 rockchip_register_restart_notifier(RK2928_GLB_SRST_FST, NULL); 784 } 785 786 static void __init rk3066a_clk_init(struct device_node *np) 787 { 788 rk3188_common_clk_init(np); 789 rockchip_clk_register_plls(rk3066_pll_clks, 790 ARRAY_SIZE(rk3066_pll_clks), 791 RK3066_GRF_SOC_STATUS); 792 rockchip_clk_register_branches(rk3066a_clk_branches, 793 ARRAY_SIZE(rk3066a_clk_branches)); 794 rockchip_clk_register_armclk(ARMCLK, "armclk", 795 mux_armclk_p, ARRAY_SIZE(mux_armclk_p), 796 &rk3066_cpuclk_data, rk3066_cpuclk_rates, 797 ARRAY_SIZE(rk3066_cpuclk_rates)); 798 rockchip_clk_protect_critical(rk3188_critical_clocks, 799 ARRAY_SIZE(rk3188_critical_clocks)); 800 } 801 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init); 802 803 static void __init rk3188a_clk_init(struct device_node *np) 804 { 805 struct clk *clk1, *clk2; 806 unsigned long rate; 807 int ret; 808 809 rk3188_common_clk_init(np); 810 rockchip_clk_register_plls(rk3188_pll_clks, 811 ARRAY_SIZE(rk3188_pll_clks), 812 RK3188_GRF_SOC_STATUS); 813 rockchip_clk_register_branches(rk3188_clk_branches, 814 ARRAY_SIZE(rk3188_clk_branches)); 815 rockchip_clk_register_armclk(ARMCLK, "armclk", 816 mux_armclk_p, ARRAY_SIZE(mux_armclk_p), 817 &rk3188_cpuclk_data, rk3188_cpuclk_rates, 818 ARRAY_SIZE(rk3188_cpuclk_rates)); 819 820 /* reparent aclk_cpu_pre from apll */ 821 clk1 = __clk_lookup("aclk_cpu_pre"); 822 clk2 = __clk_lookup("gpll"); 823 if (clk1 && clk2) { 824 rate = clk_get_rate(clk1); 825 826 ret = clk_set_parent(clk1, clk2); 827 if (ret < 0) 828 pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n", 829 __func__); 830 831 clk_set_rate(clk1, rate); 832 } else { 833 pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n", 834 __func__); 835 } 836 837 rockchip_clk_protect_critical(rk3188_critical_clocks, 838 ARRAY_SIZE(rk3188_critical_clocks)); 839 } 840 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init); 841 842 static void __init rk3188_clk_init(struct device_node *np) 843 { 844 int i; 845 846 for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) { 847 struct rockchip_pll_clock *pll = &rk3188_pll_clks[i]; 848 struct rockchip_pll_rate_table *rate; 849 850 if (!pll->rate_table) 851 continue; 852 853 rate = pll->rate_table; 854 while (rate->rate > 0) { 855 rate->nb = 1; 856 rate++; 857 } 858 } 859 860 rk3188a_clk_init(np); 861 } 862 CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init); 863