1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) 2017 Rockchip Electronics Co. Ltd. 4 * Author: Elaine <zhangqing@rock-chips.com> 5 */ 6 7#include <linux/clk-provider.h> 8#include <linux/io.h> 9#include <linux/of.h> 10#include <linux/of_address.h> 11#include <linux/syscore_ops.h> 12#include <dt-bindings/clock/rk3128-cru.h> 13#include "clk.h" 14 15#define RK3128_GRF_SOC_STATUS0 0x14c 16 17enum rk3128_plls { 18 apll, dpll, cpll, gpll, 19}; 20 21static struct rockchip_pll_rate_table rk3128_pll_rates[] = { 22 /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ 23 RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0), 24 RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0), 25 RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0), 26 RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0), 27 RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0), 28 RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0), 29 RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0), 30 RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0), 31 RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0), 32 RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0), 33 RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0), 34 RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0), 35 RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0), 36 RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0), 37 RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0), 38 RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0), 39 RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0), 40 RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0), 41 RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0), 42 RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0), 43 RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0), 44 RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0), 45 RK3036_PLL_RATE(984000000, 1, 82, 2, 1, 1, 0), 46 RK3036_PLL_RATE(960000000, 1, 80, 2, 1, 1, 0), 47 RK3036_PLL_RATE(936000000, 1, 78, 2, 1, 1, 0), 48 RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0), 49 RK3036_PLL_RATE(900000000, 4, 300, 2, 1, 1, 0), 50 RK3036_PLL_RATE(888000000, 1, 74, 2, 1, 1, 0), 51 RK3036_PLL_RATE(864000000, 1, 72, 2, 1, 1, 0), 52 RK3036_PLL_RATE(840000000, 1, 70, 2, 1, 1, 0), 53 RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0), 54 RK3036_PLL_RATE(800000000, 6, 400, 2, 1, 1, 0), 55 RK3036_PLL_RATE(700000000, 6, 350, 2, 1, 1, 0), 56 RK3036_PLL_RATE(696000000, 1, 58, 2, 1, 1, 0), 57 RK3036_PLL_RATE(600000000, 1, 75, 3, 1, 1, 0), 58 RK3036_PLL_RATE(594000000, 2, 99, 2, 1, 1, 0), 59 RK3036_PLL_RATE(504000000, 1, 63, 3, 1, 1, 0), 60 RK3036_PLL_RATE(500000000, 6, 250, 2, 1, 1, 0), 61 RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0), 62 RK3036_PLL_RATE(312000000, 1, 52, 2, 2, 1, 0), 63 RK3036_PLL_RATE(216000000, 1, 72, 4, 2, 1, 0), 64 RK3036_PLL_RATE(96000000, 1, 64, 4, 4, 1, 0), 65 { /* sentinel */ }, 66}; 67 68#define RK3128_DIV_CPU_MASK 0x1f 69#define RK3128_DIV_CPU_SHIFT 8 70 71#define RK3128_DIV_PERI_MASK 0xf 72#define RK3128_DIV_PERI_SHIFT 0 73#define RK3128_DIV_ACLK_MASK 0x7 74#define RK3128_DIV_ACLK_SHIFT 4 75#define RK3128_DIV_HCLK_MASK 0x3 76#define RK3128_DIV_HCLK_SHIFT 8 77#define RK3128_DIV_PCLK_MASK 0x7 78#define RK3128_DIV_PCLK_SHIFT 12 79 80#define RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div) \ 81{ \ 82 .reg = RK2928_CLKSEL_CON(1), \ 83 .val = HIWORD_UPDATE(_pclk_dbg_div, RK3128_DIV_PERI_MASK, \ 84 RK3128_DIV_PERI_SHIFT) | \ 85 HIWORD_UPDATE(_core_aclk_div, RK3128_DIV_ACLK_MASK, \ 86 RK3128_DIV_ACLK_SHIFT), \ 87} 88 89#define RK3128_CPUCLK_RATE(_prate, _core_aclk_div, _pclk_dbg_div) \ 90{ \ 91 .prate = _prate, \ 92 .divs = { \ 93 RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div), \ 94 }, \ 95} 96 97static struct rockchip_cpuclk_rate_table rk3128_cpuclk_rates[] __initdata = { 98 RK3128_CPUCLK_RATE(1800000000, 1, 7), 99 RK3128_CPUCLK_RATE(1704000000, 1, 7), 100 RK3128_CPUCLK_RATE(1608000000, 1, 7), 101 RK3128_CPUCLK_RATE(1512000000, 1, 7), 102 RK3128_CPUCLK_RATE(1488000000, 1, 5), 103 RK3128_CPUCLK_RATE(1416000000, 1, 5), 104 RK3128_CPUCLK_RATE(1392000000, 1, 5), 105 RK3128_CPUCLK_RATE(1296000000, 1, 5), 106 RK3128_CPUCLK_RATE(1200000000, 1, 5), 107 RK3128_CPUCLK_RATE(1104000000, 1, 5), 108 RK3128_CPUCLK_RATE(1008000000, 1, 5), 109 RK3128_CPUCLK_RATE(912000000, 1, 5), 110 RK3128_CPUCLK_RATE(816000000, 1, 3), 111 RK3128_CPUCLK_RATE(696000000, 1, 3), 112 RK3128_CPUCLK_RATE(600000000, 1, 3), 113 RK3128_CPUCLK_RATE(408000000, 1, 1), 114 RK3128_CPUCLK_RATE(312000000, 1, 1), 115 RK3128_CPUCLK_RATE(216000000, 1, 1), 116 RK3128_CPUCLK_RATE(96000000, 1, 1), 117}; 118 119static const struct rockchip_cpuclk_reg_data rk3128_cpuclk_data = { 120 .core_reg = RK2928_CLKSEL_CON(0), 121 .div_core_shift = 0, 122 .div_core_mask = 0x1f, 123 .mux_core_alt = 1, 124 .mux_core_main = 0, 125 .mux_core_shift = 7, 126 .mux_core_mask = 0x1, 127}; 128 129PNAME(mux_pll_p) = { "clk_24m", "xin24m" }; 130 131PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_div2_ddr" }; 132PNAME(mux_armclk_p) = { "apll_core", "gpll_div2_core" }; 133PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" }; 134PNAME(mux_aclk_cpu_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" }; 135 136PNAME(mux_pll_src_5plls_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480m" }; 137PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "gpll_div2", "usb480m" }; 138PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "gpll_div2" }; 139 140PNAME(mux_aclk_peri_src_p) = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" }; 141PNAME(mux_mmc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" }; 142PNAME(mux_clk_cif_out_src_p) = { "clk_cif_src", "xin24m" }; 143PNAME(mux_sclk_vop_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" }; 144 145PNAME(mux_i2s0_p) = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" }; 146PNAME(mux_i2s1_pre_p) = { "i2s1_src", "i2s1_frac", "ext_i2s", "xin12m" }; 147PNAME(mux_i2s_out_p) = { "i2s1_pre", "xin12m" }; 148PNAME(mux_sclk_spdif_p) = { "sclk_spdif_src", "spdif_frac", "xin12m" }; 149 150PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" }; 151PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" }; 152PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" }; 153 154PNAME(mux_sclk_gmac_p) = { "sclk_gmac_src", "gmac_clkin" }; 155PNAME(mux_sclk_sfc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" }; 156 157static struct rockchip_pll_clock rk3128_pll_clks[] __initdata = { 158 [apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0), 159 RK2928_MODE_CON, 0, 1, 0, rk3128_pll_rates), 160 [dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4), 161 RK2928_MODE_CON, 4, 0, 0, NULL), 162 [cpll] = PLL(pll_rk3036, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8), 163 RK2928_MODE_CON, 8, 2, 0, rk3128_pll_rates), 164 [gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12), 165 RK2928_MODE_CON, 12, 3, ROCKCHIP_PLL_SYNC_RATE, rk3128_pll_rates), 166}; 167 168#define MFLAGS CLK_MUX_HIWORD_MASK 169#define DFLAGS CLK_DIVIDER_HIWORD_MASK 170#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) 171 172static struct rockchip_clk_branch rk3128_i2s0_fracmux __initdata = 173 MUX(0, "i2s0_pre", mux_i2s0_p, CLK_SET_RATE_PARENT, 174 RK2928_CLKSEL_CON(9), 8, 2, MFLAGS); 175 176static struct rockchip_clk_branch rk3128_i2s1_fracmux __initdata = 177 MUX(0, "i2s1_pre", mux_i2s1_pre_p, CLK_SET_RATE_PARENT, 178 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS); 179 180static struct rockchip_clk_branch rk3128_spdif_fracmux __initdata = 181 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT, 182 RK2928_CLKSEL_CON(6), 8, 2, MFLAGS); 183 184static struct rockchip_clk_branch rk3128_uart0_fracmux __initdata = 185 MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, 186 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS); 187 188static struct rockchip_clk_branch rk3128_uart1_fracmux __initdata = 189 MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, 190 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS); 191 192static struct rockchip_clk_branch rk3128_uart2_fracmux __initdata = 193 MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, 194 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS); 195 196static struct rockchip_clk_branch common_clk_branches[] __initdata = { 197 /* 198 * Clock-Architecture Diagram 1 199 */ 200 201 FACTOR(PLL_GPLL_DIV2, "gpll_div2", "gpll", 0, 1, 2), 202 FACTOR(PLL_GPLL_DIV3, "gpll_div3", "gpll", 0, 1, 3), 203 204 DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED, 205 RK2928_CLKSEL_CON(4), 8, 5, DFLAGS), 206 207 /* PD_DDR */ 208 GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED, 209 RK2928_CLKGATE_CON(0), 2, GFLAGS), 210 GATE(0, "gpll_div2_ddr", "gpll_div2", CLK_IGNORE_UNUSED, 211 RK2928_CLKGATE_CON(0), 2, GFLAGS), 212 COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED, 213 RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), 214 FACTOR(SCLK_DDRC, "clk_ddrc", "ddrphy2x", 0, 1, 2), 215 FACTOR(0, "clk_ddrphy", "ddrphy2x", 0, 1, 2), 216 217 /* PD_CORE */ 218 GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED, 219 RK2928_CLKGATE_CON(0), 6, GFLAGS), 220 GATE(0, "gpll_div2_core", "gpll_div2", CLK_IGNORE_UNUSED, 221 RK2928_CLKGATE_CON(0), 6, GFLAGS), 222 COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED, 223 RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, 224 RK2928_CLKGATE_CON(0), 0, GFLAGS), 225 COMPOSITE_NOMUX(0, "armcore", "armclk", CLK_IGNORE_UNUSED, 226 RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, 227 RK2928_CLKGATE_CON(0), 7, GFLAGS), 228 229 /* PD_MISC */ 230 MUX(SCLK_USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT, 231 RK2928_MISC_CON, 15, 1, MFLAGS), 232 233 /* PD_CPU */ 234 COMPOSITE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0, 235 RK2928_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS, 236 RK2928_CLKGATE_CON(0), 1, GFLAGS), 237 GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", 0, 238 RK2928_CLKGATE_CON(0), 3, GFLAGS), 239 COMPOSITE_NOMUX(HCLK_CPU, "hclk_cpu", "aclk_cpu_src", 0, 240 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS, 241 RK2928_CLKGATE_CON(0), 4, GFLAGS), 242 COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_src", 0, 243 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS, 244 RK2928_CLKGATE_CON(0), 5, GFLAGS), 245 COMPOSITE_NOMUX(SCLK_CRYPTO, "clk_crypto", "aclk_cpu_src", 0, 246 RK2928_CLKSEL_CON(24), 0, 2, DFLAGS, 247 RK2928_CLKGATE_CON(0), 12, GFLAGS), 248 249 /* PD_VIDEO */ 250 COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_5plls_p, 0, 251 RK2928_CLKSEL_CON(32), 5, 3, MFLAGS, 0, 5, DFLAGS, 252 RK2928_CLKGATE_CON(3), 9, GFLAGS), 253 FACTOR(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0, 1, 4), 254 255 COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_5plls_p, 0, 256 RK2928_CLKSEL_CON(32), 13, 3, MFLAGS, 8, 5, DFLAGS, 257 RK2928_CLKGATE_CON(3), 11, GFLAGS), 258 FACTOR_GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0, 1, 4, 259 RK2928_CLKGATE_CON(3), 12, GFLAGS), 260 261 COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_5plls_p, 0, 262 RK2928_CLKSEL_CON(34), 13, 3, MFLAGS, 8, 5, DFLAGS, 263 RK2928_CLKGATE_CON(3), 10, GFLAGS), 264 265 /* PD_VIO */ 266 COMPOSITE(ACLK_VIO0, "aclk_vio0", mux_pll_src_5plls_p, 0, 267 RK2928_CLKSEL_CON(31), 5, 3, MFLAGS, 0, 5, DFLAGS, 268 RK2928_CLKGATE_CON(3), 0, GFLAGS), 269 COMPOSITE(ACLK_VIO1, "aclk_vio1", mux_pll_src_5plls_p, 0, 270 RK2928_CLKSEL_CON(31), 13, 3, MFLAGS, 8, 5, DFLAGS, 271 RK2928_CLKGATE_CON(1), 4, GFLAGS), 272 COMPOSITE(HCLK_VIO, "hclk_vio", mux_pll_src_4plls_p, 0, 273 RK2928_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS, 274 RK2928_CLKGATE_CON(0), 11, GFLAGS), 275 276 /* PD_PERI */ 277 GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED, 278 RK2928_CLKGATE_CON(2), 0, GFLAGS), 279 GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED, 280 RK2928_CLKGATE_CON(2), 0, GFLAGS), 281 GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED, 282 RK2928_CLKGATE_CON(2), 0, GFLAGS), 283 GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED, 284 RK2928_CLKGATE_CON(2), 0, GFLAGS), 285 COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0, 286 RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS), 287 COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0, 288 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, 289 RK2928_CLKGATE_CON(2), 3, GFLAGS), 290 COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0, 291 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, 292 RK2928_CLKGATE_CON(2), 2, GFLAGS), 293 GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0, 294 RK2928_CLKGATE_CON(2), 1, GFLAGS), 295 296 GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0, 297 RK2928_CLKGATE_CON(10), 3, GFLAGS), 298 GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0, 299 RK2928_CLKGATE_CON(10), 4, GFLAGS), 300 GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0, 301 RK2928_CLKGATE_CON(10), 5, GFLAGS), 302 GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0, 303 RK2928_CLKGATE_CON(10), 6, GFLAGS), 304 GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0, 305 RK2928_CLKGATE_CON(10), 7, GFLAGS), 306 GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0, 307 RK2928_CLKGATE_CON(10), 8, GFLAGS), 308 309 GATE(SCLK_PVTM_CORE, "clk_pvtm_core", "xin24m", 0, 310 RK2928_CLKGATE_CON(10), 0, GFLAGS), 311 GATE(SCLK_PVTM_GPU, "clk_pvtm_gpu", "xin24m", 0, 312 RK2928_CLKGATE_CON(10), 1, GFLAGS), 313 GATE(SCLK_PVTM_FUNC, "clk_pvtm_func", "xin24m", 0, 314 RK2928_CLKGATE_CON(10), 2, GFLAGS), 315 GATE(SCLK_MIPI_24M, "clk_mipi_24m", "xin24m", CLK_IGNORE_UNUSED, 316 RK2928_CLKGATE_CON(2), 15, GFLAGS), 317 318 COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0, 319 RK2928_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS, 320 RK2928_CLKGATE_CON(2), 11, GFLAGS), 321 322 COMPOSITE(SCLK_SDIO, "sclk_sdio", mux_mmc_src_p, 0, 323 RK2928_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS, 324 RK2928_CLKGATE_CON(2), 13, GFLAGS), 325 326 COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0, 327 RK2928_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS, 328 RK2928_CLKGATE_CON(2), 14, GFLAGS), 329 330 DIV(SCLK_PVTM, "clk_pvtm", "clk_pvtm_func", 0, 331 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS), 332 333 /* 334 * Clock-Architecture Diagram 2 335 */ 336 COMPOSITE(DCLK_VOP, "dclk_vop", mux_sclk_vop_src_p, 0, 337 RK2928_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS, 338 RK2928_CLKGATE_CON(3), 1, GFLAGS), 339 COMPOSITE(SCLK_VOP, "sclk_vop", mux_sclk_vop_src_p, 0, 340 RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS, 341 RK2928_CLKGATE_CON(3), 2, GFLAGS), 342 COMPOSITE(DCLK_EBC, "dclk_ebc", mux_pll_src_3plls_p, 0, 343 RK2928_CLKSEL_CON(23), 0, 2, MFLAGS, 8, 8, DFLAGS, 344 RK2928_CLKGATE_CON(3), 4, GFLAGS), 345 346 FACTOR(0, "xin12m", "xin24m", 0, 1, 2), 347 348 COMPOSITE_NODIV(SCLK_CIF_SRC, "sclk_cif_src", mux_pll_src_4plls_p, 0, 349 RK2928_CLKSEL_CON(29), 0, 2, MFLAGS, 350 RK2928_CLKGATE_CON(3), 7, GFLAGS), 351 MUX(SCLK_CIF_OUT_SRC, "sclk_cif_out_src", mux_clk_cif_out_src_p, 0, 352 RK2928_CLKSEL_CON(13), 14, 2, MFLAGS), 353 DIV(SCLK_CIF_OUT, "sclk_cif_out", "sclk_cif_out_src", 0, 354 RK2928_CLKSEL_CON(29), 2, 5, DFLAGS), 355 356 COMPOSITE(0, "i2s0_src", mux_pll_src_3plls_p, 0, 357 RK2928_CLKSEL_CON(9), 14, 2, MFLAGS, 0, 7, DFLAGS, 358 RK2928_CLKGATE_CON(4), 4, GFLAGS), 359 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT, 360 RK2928_CLKSEL_CON(8), 0, 361 RK2928_CLKGATE_CON(4), 5, GFLAGS, 362 &rk3128_i2s0_fracmux), 363 GATE(SCLK_I2S0, "sclk_i2s0", "i2s0_pre", CLK_SET_RATE_PARENT, 364 RK2928_CLKGATE_CON(4), 6, GFLAGS), 365 366 COMPOSITE(0, "i2s1_src", mux_pll_src_3plls_p, 0, 367 RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS, 368 RK2928_CLKGATE_CON(0), 9, GFLAGS), 369 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT, 370 RK2928_CLKSEL_CON(7), 0, 371 RK2928_CLKGATE_CON(0), 10, GFLAGS, 372 &rk3128_i2s1_fracmux), 373 GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT, 374 RK2928_CLKGATE_CON(0), 14, GFLAGS), 375 COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_out", mux_i2s_out_p, 0, 376 RK2928_CLKSEL_CON(3), 12, 1, MFLAGS, 377 RK2928_CLKGATE_CON(0), 13, GFLAGS), 378 379 COMPOSITE(0, "sclk_spdif_src", mux_pll_src_3plls_p, 0, 380 RK2928_CLKSEL_CON(6), 14, 2, MFLAGS, 0, 7, DFLAGS, 381 RK2928_CLKGATE_CON(2), 10, GFLAGS), 382 COMPOSITE_FRACMUX(0, "spdif_frac", "sclk_spdif_src", CLK_SET_RATE_PARENT, 383 RK2928_CLKSEL_CON(20), 0, 384 RK2928_CLKGATE_CON(2), 12, GFLAGS, 385 &rk3128_spdif_fracmux), 386 387 GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED, 388 RK2928_CLKGATE_CON(1), 3, GFLAGS), 389 390 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", 0, 391 RK2928_CLKGATE_CON(1), 5, GFLAGS), 392 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin12m", 0, 393 RK2928_CLKGATE_CON(1), 6, GFLAGS), 394 395 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0, 396 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS, 397 RK2928_CLKGATE_CON(2), 8, GFLAGS), 398 399 COMPOSITE(ACLK_GPU, "aclk_gpu", mux_pll_src_5plls_p, 0, 400 RK2928_CLKSEL_CON(34), 5, 3, MFLAGS, 0, 5, DFLAGS, 401 RK2928_CLKGATE_CON(3), 13, GFLAGS), 402 403 COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_3plls_p, 0, 404 RK2928_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 7, DFLAGS, 405 RK2928_CLKGATE_CON(2), 9, GFLAGS), 406 407 /* PD_UART */ 408 COMPOSITE(0, "uart0_src", mux_pll_src_4plls_p, 0, 409 RK2928_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS, 410 RK2928_CLKGATE_CON(1), 8, GFLAGS), 411 MUX(0, "uart12_src", mux_pll_src_4plls_p, 0, 412 RK2928_CLKSEL_CON(13), 14, 2, MFLAGS), 413 COMPOSITE_NOMUX(0, "uart1_src", "uart12_src", 0, 414 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS, 415 RK2928_CLKGATE_CON(1), 10, GFLAGS), 416 COMPOSITE_NOMUX(0, "uart2_src", "uart12_src", 0, 417 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS, 418 RK2928_CLKGATE_CON(1), 13, GFLAGS), 419 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, 420 RK2928_CLKSEL_CON(17), 0, 421 RK2928_CLKGATE_CON(1), 9, GFLAGS, 422 &rk3128_uart0_fracmux), 423 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, 424 RK2928_CLKSEL_CON(18), 0, 425 RK2928_CLKGATE_CON(1), 11, GFLAGS, 426 &rk3128_uart1_fracmux), 427 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, 428 RK2928_CLKSEL_CON(19), 0, 429 RK2928_CLKGATE_CON(1), 13, GFLAGS, 430 &rk3128_uart2_fracmux), 431 432 COMPOSITE(SCLK_MAC_SRC, "sclk_gmac_src", mux_pll_src_3plls_p, 0, 433 RK2928_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 5, DFLAGS, 434 RK2928_CLKGATE_CON(1), 7, GFLAGS), 435 MUX(SCLK_MAC, "sclk_gmac", mux_sclk_gmac_p, 0, 436 RK2928_CLKSEL_CON(5), 15, 1, MFLAGS), 437 GATE(SCLK_MAC_REFOUT, "sclk_mac_refout", "sclk_gmac", 0, 438 RK2928_CLKGATE_CON(2), 5, GFLAGS), 439 GATE(SCLK_MAC_REF, "sclk_mac_ref", "sclk_gmac", 0, 440 RK2928_CLKGATE_CON(2), 4, GFLAGS), 441 GATE(SCLK_MAC_RX, "sclk_mac_rx", "sclk_gmac", 0, 442 RK2928_CLKGATE_CON(2), 6, GFLAGS), 443 GATE(SCLK_MAC_TX, "sclk_mac_tx", "sclk_gmac", 0, 444 RK2928_CLKGATE_CON(2), 7, GFLAGS), 445 446 COMPOSITE(SCLK_TSP, "sclk_tsp", mux_pll_src_3plls_p, 0, 447 RK2928_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS, 448 RK2928_CLKGATE_CON(1), 14, GFLAGS), 449 450 COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_3plls_p, 0, 451 RK2928_CLKSEL_CON(2), 14, 2, MFLAGS, 8, 5, DFLAGS, 452 RK2928_CLKGATE_CON(10), 15, GFLAGS), 453 454 COMPOSITE_NOMUX(PCLK_PMU_PRE, "pclk_pmu_pre", "cpll", 0, 455 RK2928_CLKSEL_CON(29), 8, 6, DFLAGS, 456 RK2928_CLKGATE_CON(1), 0, GFLAGS), 457 458 /* 459 * Clock-Architecture Diagram 3 460 */ 461 462 /* PD_VOP */ 463 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS), 464 GATE(ACLK_CIF, "aclk_cif", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS), 465 GATE(ACLK_RGA, "aclk_rga", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS), 466 GATE(0, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS), 467 468 GATE(ACLK_IEP, "aclk_iep", "aclk_vio1", 0, RK2928_CLKGATE_CON(9), 8, GFLAGS), 469 GATE(0, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 10, GFLAGS), 470 471 GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS), 472 GATE(PCLK_MIPI, "pclk_mipi", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS), 473 GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS), 474 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS), 475 GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 7, GFLAGS), 476 GATE(0, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 12, GFLAGS), 477 GATE(HCLK_CIF, "hclk_cif", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS), 478 GATE(HCLK_EBC, "hclk_ebc", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 9, GFLAGS), 479 480 /* PD_PERI */ 481 GATE(0, "aclk_peri_axi", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS), 482 GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK2928_CLKGATE_CON(10), 10, GFLAGS), 483 GATE(ACLK_DMAC, "aclk_dmac", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS), 484 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS), 485 GATE(0, "aclk_cpu_to_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS), 486 487 GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS), 488 GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS), 489 GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS), 490 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS), 491 GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS), 492 GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 13, GFLAGS), 493 GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS), 494 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS), 495 GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS), 496 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS), 497 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS), 498 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS), 499 GATE(0, "hclk_emmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 6, GFLAGS), 500 GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS), 501 GATE(HCLK_USBHOST, "hclk_usbhost", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 14, GFLAGS), 502 503 GATE(PCLK_SIM_CARD, "pclk_sim_card", "pclk_peri", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS), 504 GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK2928_CLKGATE_CON(10), 11, GFLAGS), 505 GATE(0, "pclk_peri_axi", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS), 506 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS), 507 GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS), 508 GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS), 509 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS), 510 GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS), 511 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS), 512 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS), 513 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS), 514 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS), 515 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS), 516 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS), 517 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_peri", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS), 518 GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 7, GFLAGS), 519 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS), 520 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS), 521 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS), 522 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS), 523 524 /* PD_BUS */ 525 GATE(0, "aclk_initmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS), 526 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS), 527 528 GATE(0, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS), 529 GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS), 530 531 GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS), 532 GATE(0, "pclk_ddrupctl", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 7, GFLAGS), 533 GATE(0, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS), 534 GATE(0, "pclk_mipiphy", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 0, GFLAGS), 535 536 GATE(0, "pclk_pmu", "pclk_pmu_pre", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS), 537 GATE(0, "pclk_pmu_niu", "pclk_pmu_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 3, GFLAGS), 538 539 /* PD_MMC */ 540 MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3228_SDMMC_CON0, 1), 541 MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0), 542 543 MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK3228_SDIO_CON0, 1), 544 MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3228_SDIO_CON1, 0), 545 546 MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3228_EMMC_CON0, 1), 547 MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 0), 548}; 549 550static struct rockchip_clk_branch rk3126_clk_branches[] __initdata = { 551 GATE(0, "pclk_stimer", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS), 552 GATE(0, "pclk_s_efuse", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS), 553 GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 8, GFLAGS), 554}; 555 556static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = { 557 COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0, 558 RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS, 559 RK2928_CLKGATE_CON(3), 15, GFLAGS), 560 561 GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS), 562 GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS), 563}; 564 565static const char *const rk3128_critical_clocks[] __initconst = { 566 "aclk_cpu", 567 "hclk_cpu", 568 "pclk_cpu", 569 "aclk_peri", 570 "hclk_peri", 571 "pclk_peri", 572 "pclk_pmu", 573 "sclk_timer5", 574}; 575 576static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np) 577{ 578 struct rockchip_clk_provider *ctx; 579 void __iomem *reg_base; 580 581 reg_base = of_iomap(np, 0); 582 if (!reg_base) { 583 pr_err("%s: could not map cru region\n", __func__); 584 return ERR_PTR(-ENOMEM); 585 } 586 587 ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); 588 if (IS_ERR(ctx)) { 589 pr_err("%s: rockchip clk init failed\n", __func__); 590 iounmap(reg_base); 591 return ERR_PTR(-ENOMEM); 592 } 593 594 rockchip_clk_register_plls(ctx, rk3128_pll_clks, 595 ARRAY_SIZE(rk3128_pll_clks), 596 RK3128_GRF_SOC_STATUS0); 597 rockchip_clk_register_branches(ctx, common_clk_branches, 598 ARRAY_SIZE(common_clk_branches)); 599 600 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk", 601 mux_armclk_p, ARRAY_SIZE(mux_armclk_p), 602 &rk3128_cpuclk_data, rk3128_cpuclk_rates, 603 ARRAY_SIZE(rk3128_cpuclk_rates)); 604 605 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), 606 ROCKCHIP_SOFTRST_HIWORD_MASK); 607 608 rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL); 609 610 return ctx; 611} 612 613static void __init rk3126_clk_init(struct device_node *np) 614{ 615 struct rockchip_clk_provider *ctx; 616 617 ctx = rk3128_common_clk_init(np); 618 if (IS_ERR(ctx)) 619 return; 620 621 rockchip_clk_register_branches(ctx, rk3126_clk_branches, 622 ARRAY_SIZE(rk3126_clk_branches)); 623 rockchip_clk_protect_critical(rk3128_critical_clocks, 624 ARRAY_SIZE(rk3128_critical_clocks)); 625 626 rockchip_clk_of_add_provider(np, ctx); 627} 628 629CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init); 630 631static void __init rk3128_clk_init(struct device_node *np) 632{ 633 struct rockchip_clk_provider *ctx; 634 635 ctx = rk3128_common_clk_init(np); 636 if (IS_ERR(ctx)) 637 return; 638 639 rockchip_clk_register_branches(ctx, rk3128_clk_branches, 640 ARRAY_SIZE(rk3128_clk_branches)); 641 rockchip_clk_protect_critical(rk3128_critical_clocks, 642 ARRAY_SIZE(rk3128_critical_clocks)); 643 644 rockchip_clk_of_add_provider(np, ctx); 645} 646 647CLK_OF_DECLARE(rk3128_cru, "rockchip,rk3128-cru", rk3128_clk_init); 648