drivers/clk/rockchip/clk-rk3128.c

   1 /*
   2  * Copyright (c) 2017 Rockchip Electronics Co. Ltd.
   3  * Author: Elaine <zhangqing@rock-chips.com>
   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-provider.h>
  17 #include <linux/io.h>
  18 #include <linux/of.h>
  19 #include <linux/of_address.h>
  20 #include <linux/syscore_ops.h>
  21 #include <dt-bindings/clock/rk3128-cru.h>
  22 #include "clk.h"
  23
  24 #define RK3128_GRF_SOC_STATUS0  0x14c
  25
  26 enum rk3128_plls {
  27         apll, dpll, cpll, gpll,
  28 };
  29
  30 static struct rockchip_pll_rate_table rk3128_pll_rates[] = {
  31         /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
  32         RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0),
  33         RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0),
  34         RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0),
  35         RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0),
  36         RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0),
  37         RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0),
  38         RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0),
  39         RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0),
  40         RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0),
  41         RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0),
  42         RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0),
  43         RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0),
  44         RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0),
  45         RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0),
  46         RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0),
  47         RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0),
  48         RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0),
  49         RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0),
  50         RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0),
  51         RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0),
  52         RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
  53         RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0),
  54         RK3036_PLL_RATE(984000000, 1, 82, 2, 1, 1, 0),
  55         RK3036_PLL_RATE(960000000, 1, 80, 2, 1, 1, 0),
  56         RK3036_PLL_RATE(936000000, 1, 78, 2, 1, 1, 0),
  57         RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0),
  58         RK3036_PLL_RATE(900000000, 4, 300, 2, 1, 1, 0),
  59         RK3036_PLL_RATE(888000000, 1, 74, 2, 1, 1, 0),
  60         RK3036_PLL_RATE(864000000, 1, 72, 2, 1, 1, 0),
  61         RK3036_PLL_RATE(840000000, 1, 70, 2, 1, 1, 0),
  62         RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
  63         RK3036_PLL_RATE(800000000, 6, 400, 2, 1, 1, 0),
  64         RK3036_PLL_RATE(700000000, 6, 350, 2, 1, 1, 0),
  65         RK3036_PLL_RATE(696000000, 1, 58, 2, 1, 1, 0),
  66         RK3036_PLL_RATE(600000000, 1, 75, 3, 1, 1, 0),
  67         RK3036_PLL_RATE(594000000, 2, 99, 2, 1, 1, 0),
  68         RK3036_PLL_RATE(504000000, 1, 63, 3, 1, 1, 0),
  69         RK3036_PLL_RATE(500000000, 6, 250, 2, 1, 1, 0),
  70         RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0),
  71         RK3036_PLL_RATE(312000000, 1, 52, 2, 2, 1, 0),
  72         RK3036_PLL_RATE(216000000, 1, 72, 4, 2, 1, 0),
  73         RK3036_PLL_RATE(96000000, 1, 64, 4, 4, 1, 0),
  74         { /* sentinel */ },
  75 };
  76
  77 #define RK3128_DIV_CPU_MASK             0x1f
  78 #define RK3128_DIV_CPU_SHIFT            8
  79
  80 #define RK3128_DIV_PERI_MASK            0xf
  81 #define RK3128_DIV_PERI_SHIFT           0
  82 #define RK3128_DIV_ACLK_MASK            0x7
  83 #define RK3128_DIV_ACLK_SHIFT           4
  84 #define RK3128_DIV_HCLK_MASK            0x3
  85 #define RK3128_DIV_HCLK_SHIFT           8
  86 #define RK3128_DIV_PCLK_MASK            0x7
  87 #define RK3128_DIV_PCLK_SHIFT           12
  88
  89 #define RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div)                   \
  90 {                                                                       \
  91         .reg = RK2928_CLKSEL_CON(1),                                    \
  92         .val = HIWORD_UPDATE(_pclk_dbg_div, RK3128_DIV_PERI_MASK,       \
  93                              RK3128_DIV_PERI_SHIFT) |                   \
  94                HIWORD_UPDATE(_core_aclk_div, RK3128_DIV_ACLK_MASK,      \
  95                              RK3128_DIV_ACLK_SHIFT),                    \
  96 }
  97
  98 #define RK3128_CPUCLK_RATE(_prate, _core_aclk_div, _pclk_dbg_div)       \
  99 {                                                                       \
 100         .prate = _prate,                                                \
 101         .divs = {                                                       \
 102                 RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div),          \
 103         },                                                              \
 104 }
 105
 106 static struct rockchip_cpuclk_rate_table rk3128_cpuclk_rates[] __initdata = {
 107         RK3128_CPUCLK_RATE(1800000000, 1, 7),
 108         RK3128_CPUCLK_RATE(1704000000, 1, 7),
 109         RK3128_CPUCLK_RATE(1608000000, 1, 7),
 110         RK3128_CPUCLK_RATE(1512000000, 1, 7),
 111         RK3128_CPUCLK_RATE(1488000000, 1, 5),
 112         RK3128_CPUCLK_RATE(1416000000, 1, 5),
 113         RK3128_CPUCLK_RATE(1392000000, 1, 5),
 114         RK3128_CPUCLK_RATE(1296000000, 1, 5),
 115         RK3128_CPUCLK_RATE(1200000000, 1, 5),
 116         RK3128_CPUCLK_RATE(1104000000, 1, 5),
 117         RK3128_CPUCLK_RATE(1008000000, 1, 5),
 118         RK3128_CPUCLK_RATE(912000000, 1, 5),
 119         RK3128_CPUCLK_RATE(816000000, 1, 3),
 120         RK3128_CPUCLK_RATE(696000000, 1, 3),
 121         RK3128_CPUCLK_RATE(600000000, 1, 3),
 122         RK3128_CPUCLK_RATE(408000000, 1, 1),
 123         RK3128_CPUCLK_RATE(312000000, 1, 1),
 124         RK3128_CPUCLK_RATE(216000000,  1, 1),
 125         RK3128_CPUCLK_RATE(96000000, 1, 1),
 126 };
 127
 128 static const struct rockchip_cpuclk_reg_data rk3128_cpuclk_data = {
 129         .core_reg = RK2928_CLKSEL_CON(0),
 130         .div_core_shift = 0,
 131         .div_core_mask = 0x1f,
 132         .mux_core_alt = 1,
 133         .mux_core_main = 0,
 134         .mux_core_shift = 7,
 135         .mux_core_mask = 0x1,
 136 };
 137
 138 PNAME(mux_pll_p)                = { "clk_24m", "xin24m" };
 139
 140 PNAME(mux_ddrphy_p)             = { "dpll_ddr", "gpll_div2_ddr" };
 141 PNAME(mux_armclk_p)             = { "apll_core", "gpll_div2_core" };
 142 PNAME(mux_usb480m_p)            = { "usb480m_phy", "xin24m" };
 143 PNAME(mux_aclk_cpu_src_p)       = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
 144
 145 PNAME(mux_pll_src_5plls_p)      = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480m" };
 146 PNAME(mux_pll_src_4plls_p)      = { "cpll", "gpll", "gpll_div2", "usb480m" };
 147 PNAME(mux_pll_src_3plls_p)      = { "cpll", "gpll", "gpll_div2" };
 148
 149 PNAME(mux_aclk_peri_src_p)      = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" };
 150 PNAME(mux_mmc_src_p)            = { "cpll", "gpll", "gpll_div2", "xin24m" };
 151 PNAME(mux_clk_cif_out_src_p)            = { "clk_cif_src", "xin24m" };
 152 PNAME(mux_sclk_vop_src_p)       = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
 153
 154 PNAME(mux_i2s0_p)               = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" };
 155 PNAME(mux_i2s1_pre_p)           = { "i2s1_src", "i2s1_frac", "ext_i2s", "xin12m" };
 156 PNAME(mux_i2s_out_p)            = { "i2s1_pre", "xin12m" };
 157 PNAME(mux_sclk_spdif_p)         = { "sclk_spdif_src", "spdif_frac", "xin12m" };
 158
 159 PNAME(mux_uart0_p)              = { "uart0_src", "uart0_frac", "xin24m" };
 160 PNAME(mux_uart1_p)              = { "uart1_src", "uart1_frac", "xin24m" };
 161 PNAME(mux_uart2_p)              = { "uart2_src", "uart2_frac", "xin24m" };
 162
 163 PNAME(mux_sclk_gmac_p)  = { "sclk_gmac_src", "gmac_clkin" };
 164 PNAME(mux_sclk_sfc_src_p)       = { "cpll", "gpll", "gpll_div2", "xin24m" };
 165
 166 static struct rockchip_pll_clock rk3128_pll_clks[] __initdata = {
 167         [apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
 168                      RK2928_MODE_CON, 0, 1, 0, rk3128_pll_rates),
 169         [dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
 170                      RK2928_MODE_CON, 4, 0, 0, NULL),
 171         [cpll] = PLL(pll_rk3036, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
 172                      RK2928_MODE_CON, 8, 2, 0, rk3128_pll_rates),
 173         [gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
 174                      RK2928_MODE_CON, 12, 3, ROCKCHIP_PLL_SYNC_RATE, rk3128_pll_rates),
 175 };
 176
 177 #define MFLAGS CLK_MUX_HIWORD_MASK
 178 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
 179 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
 180
 181 static struct rockchip_clk_branch rk3128_i2s0_fracmux __initdata =
 182         MUX(0, "i2s0_pre", mux_i2s0_p, CLK_SET_RATE_PARENT,
 183                         RK2928_CLKSEL_CON(9), 8, 2, MFLAGS);
 184
 185 static struct rockchip_clk_branch rk3128_i2s1_fracmux __initdata =
 186         MUX(0, "i2s1_pre", mux_i2s1_pre_p, CLK_SET_RATE_PARENT,
 187                         RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
 188
 189 static struct rockchip_clk_branch rk3128_spdif_fracmux __initdata =
 190         MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
 191                         RK2928_CLKSEL_CON(6), 8, 2, MFLAGS);
 192
 193 static struct rockchip_clk_branch rk3128_uart0_fracmux __initdata =
 194         MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
 195                         RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
 196
 197 static struct rockchip_clk_branch rk3128_uart1_fracmux __initdata =
 198         MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
 199                         RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
 200
 201 static struct rockchip_clk_branch rk3128_uart2_fracmux __initdata =
 202         MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
 203                         RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
 204
 205 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
 206         /*
 207          * Clock-Architecture Diagram 1
 208          */
 209
 210         FACTOR(PLL_GPLL_DIV2, "gpll_div2", "gpll", 0, 1, 2),
 211         FACTOR(PLL_GPLL_DIV3, "gpll_div3", "gpll", 0, 1, 3),
 212
 213         DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED,
 214                         RK2928_CLKSEL_CON(4), 8, 5, DFLAGS),
 215
 216         /* PD_DDR */
 217         GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
 218                         RK2928_CLKGATE_CON(0), 2, GFLAGS),
 219         GATE(0, "gpll_div2_ddr", "gpll_div2", CLK_IGNORE_UNUSED,
 220                         RK2928_CLKGATE_CON(0), 2, GFLAGS),
 221         COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
 222                         RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
 223         FACTOR(SCLK_DDRC, "clk_ddrc", "ddrphy2x", 0, 1, 2),
 224         FACTOR(0, "clk_ddrphy", "ddrphy2x", 0, 1, 2),
 225
 226         /* PD_CORE */
 227         GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
 228                         RK2928_CLKGATE_CON(0), 6, GFLAGS),
 229         GATE(0, "gpll_div2_core", "gpll_div2", CLK_IGNORE_UNUSED,
 230                         RK2928_CLKGATE_CON(0), 6, GFLAGS),
 231         COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED,
 232                         RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
 233                         RK2928_CLKGATE_CON(0), 0, GFLAGS),
 234         COMPOSITE_NOMUX(0, "armcore", "armclk", CLK_IGNORE_UNUSED,
 235                         RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 236                         RK2928_CLKGATE_CON(0), 7, GFLAGS),
 237
 238         /* PD_MISC */
 239         MUX(SCLK_USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT,
 240                         RK2928_MISC_CON, 15, 1, MFLAGS),
 241
 242         /* PD_CPU */
 243         COMPOSITE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
 244                         RK2928_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS,
 245                         RK2928_CLKGATE_CON(0), 1, GFLAGS),
 246         GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", 0,
 247                         RK2928_CLKGATE_CON(0), 3, GFLAGS),
 248         COMPOSITE_NOMUX(HCLK_CPU, "hclk_cpu", "aclk_cpu_src", 0,
 249                         RK2928_CLKSEL_CON(1), 8, 2, DFLAGS,
 250                         RK2928_CLKGATE_CON(0), 4, GFLAGS),
 251         COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_src", 0,
 252                         RK2928_CLKSEL_CON(1), 12, 2, DFLAGS,
 253                         RK2928_CLKGATE_CON(0), 5, GFLAGS),
 254         COMPOSITE_NOMUX(SCLK_CRYPTO, "clk_crypto", "aclk_cpu_src", 0,
 255                         RK2928_CLKSEL_CON(24), 0, 2, DFLAGS,
 256                         RK2928_CLKGATE_CON(0), 12, GFLAGS),
 257
 258         /* PD_VIDEO */
 259         COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_5plls_p, 0,
 260                         RK2928_CLKSEL_CON(32), 5, 3, MFLAGS, 0, 5, DFLAGS,
 261                         RK2928_CLKGATE_CON(3), 9, GFLAGS),
 262         FACTOR(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0, 1, 4),
 263
 264         COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_5plls_p, 0,
 265                         RK2928_CLKSEL_CON(32), 13, 3, MFLAGS, 8, 5, DFLAGS,
 266                         RK2928_CLKGATE_CON(3), 11, GFLAGS),
 267         FACTOR_GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0, 1, 4,
 268                         RK2928_CLKGATE_CON(3), 12, GFLAGS),
 269
 270         COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_5plls_p, 0,
 271                         RK2928_CLKSEL_CON(34), 13, 3, MFLAGS, 8, 5, DFLAGS,
 272                         RK2928_CLKGATE_CON(3), 10, GFLAGS),
 273
 274         /* PD_VIO */
 275         COMPOSITE(ACLK_VIO0, "aclk_vio0", mux_pll_src_5plls_p, 0,
 276                         RK2928_CLKSEL_CON(31), 5, 3, MFLAGS, 0, 5, DFLAGS,
 277                         RK2928_CLKGATE_CON(3), 0, GFLAGS),
 278         COMPOSITE(ACLK_VIO1, "aclk_vio1", mux_pll_src_5plls_p, 0,
 279                         RK2928_CLKSEL_CON(31), 13, 3, MFLAGS, 8, 5, DFLAGS,
 280                         RK2928_CLKGATE_CON(1), 4, GFLAGS),
 281         COMPOSITE(HCLK_VIO, "hclk_vio", mux_pll_src_4plls_p, 0,
 282                         RK2928_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
 283                         RK2928_CLKGATE_CON(0), 11, GFLAGS),
 284
 285         /* PD_PERI */
 286         GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED,
 287                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
 288         GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED,
 289                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
 290         GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED,
 291                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
 292         GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED,
 293                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
 294         COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0,
 295                         RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS),
 296         COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
 297                         RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 298                         RK2928_CLKGATE_CON(2), 3, GFLAGS),
 299         COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0,
 300                         RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 301                         RK2928_CLKGATE_CON(2), 2, GFLAGS),
 302         GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0,
 303                         RK2928_CLKGATE_CON(2), 1, GFLAGS),
 304
 305         GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
 306                         RK2928_CLKGATE_CON(10), 3, GFLAGS),
 307         GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0,
 308                         RK2928_CLKGATE_CON(10), 4, GFLAGS),
 309         GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0,
 310                         RK2928_CLKGATE_CON(10), 5, GFLAGS),
 311         GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0,
 312                         RK2928_CLKGATE_CON(10), 6, GFLAGS),
 313         GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0,
 314                         RK2928_CLKGATE_CON(10), 7, GFLAGS),
 315         GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0,
 316                         RK2928_CLKGATE_CON(10), 8, GFLAGS),
 317
 318         GATE(SCLK_PVTM_CORE, "clk_pvtm_core", "xin24m", 0,
 319                         RK2928_CLKGATE_CON(10), 0, GFLAGS),
 320         GATE(SCLK_PVTM_GPU, "clk_pvtm_gpu", "xin24m", 0,
 321                         RK2928_CLKGATE_CON(10), 1, GFLAGS),
 322         GATE(SCLK_PVTM_FUNC, "clk_pvtm_func", "xin24m", 0,
 323                         RK2928_CLKGATE_CON(10), 2, GFLAGS),
 324         GATE(SCLK_MIPI_24M, "clk_mipi_24m", "xin24m", CLK_IGNORE_UNUSED,
 325                         RK2928_CLKGATE_CON(2), 15, GFLAGS),
 326
 327         COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0,
 328                         RK2928_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS,
 329                         RK2928_CLKGATE_CON(2), 11, GFLAGS),
 330
 331         COMPOSITE(SCLK_SDIO, "sclk_sdio", mux_mmc_src_p, 0,
 332                         RK2928_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS,
 333                         RK2928_CLKGATE_CON(2), 13, GFLAGS),
 334
 335         COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
 336                         RK2928_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS,
 337                         RK2928_CLKGATE_CON(2), 14, GFLAGS),
 338
 339         DIV(SCLK_PVTM, "clk_pvtm", "clk_pvtm_func", 0,
 340                         RK2928_CLKSEL_CON(2), 0, 7, DFLAGS),
 341
 342         /*
 343          * Clock-Architecture Diagram 2
 344          */
 345         COMPOSITE(DCLK_VOP, "dclk_vop", mux_sclk_vop_src_p, 0,
 346                         RK2928_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS,
 347                         RK2928_CLKGATE_CON(3), 1, GFLAGS),
 348         COMPOSITE(SCLK_VOP, "sclk_vop", mux_sclk_vop_src_p, 0,
 349                         RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS,
 350                         RK2928_CLKGATE_CON(3), 2, GFLAGS),
 351         COMPOSITE(DCLK_EBC, "dclk_ebc", mux_pll_src_3plls_p, 0,
 352                         RK2928_CLKSEL_CON(23), 0, 2, MFLAGS, 8, 8, DFLAGS,
 353                         RK2928_CLKGATE_CON(3), 4, GFLAGS),
 354
 355         FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
 356
 357         COMPOSITE_NODIV(SCLK_CIF_SRC, "sclk_cif_src", mux_pll_src_4plls_p, 0,
 358                         RK2928_CLKSEL_CON(29), 0, 2, MFLAGS,
 359                         RK2928_CLKGATE_CON(3), 7, GFLAGS),
 360         MUX(SCLK_CIF_OUT_SRC, "sclk_cif_out_src", mux_clk_cif_out_src_p, 0,
 361                         RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
 362         DIV(SCLK_CIF_OUT, "sclk_cif_out", "sclk_cif_out_src", 0,
 363                         RK2928_CLKSEL_CON(29), 2, 5, DFLAGS),
 364
 365         COMPOSITE(0, "i2s0_src", mux_pll_src_3plls_p, 0,
 366                         RK2928_CLKSEL_CON(9), 14, 2, MFLAGS, 0, 7, DFLAGS,
 367                         RK2928_CLKGATE_CON(4), 4, GFLAGS),
 368         COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT,
 369                         RK2928_CLKSEL_CON(8), 0,
 370                         RK2928_CLKGATE_CON(4), 5, GFLAGS,
 371                         &rk3128_i2s0_fracmux),
 372         GATE(SCLK_I2S0, "sclk_i2s0", "i2s0_pre", CLK_SET_RATE_PARENT,
 373                         RK2928_CLKGATE_CON(4), 6, GFLAGS),
 374
 375         COMPOSITE(0, "i2s1_src", mux_pll_src_3plls_p, 0,
 376                         RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS,
 377                         RK2928_CLKGATE_CON(0), 9, GFLAGS),
 378         COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT,
 379                         RK2928_CLKSEL_CON(7), 0,
 380                         RK2928_CLKGATE_CON(0), 10, GFLAGS,
 381                         &rk3128_i2s1_fracmux),
 382         GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT,
 383                         RK2928_CLKGATE_CON(0), 14, GFLAGS),
 384         COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_out", mux_i2s_out_p, 0,
 385                         RK2928_CLKSEL_CON(3), 12, 1, MFLAGS,
 386                         RK2928_CLKGATE_CON(0), 13, GFLAGS),
 387
 388         COMPOSITE(0, "sclk_spdif_src", mux_pll_src_3plls_p, 0,
 389                         RK2928_CLKSEL_CON(6), 14, 2, MFLAGS, 0, 7, DFLAGS,
 390                         RK2928_CLKGATE_CON(2), 10, GFLAGS),
 391         COMPOSITE_FRACMUX(0, "spdif_frac", "sclk_spdif_src", CLK_SET_RATE_PARENT,
 392                         RK2928_CLKSEL_CON(20), 0,
 393                         RK2928_CLKGATE_CON(2), 12, GFLAGS,
 394                         &rk3128_spdif_fracmux),
 395
 396         GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
 397                         RK2928_CLKGATE_CON(1), 3, GFLAGS),
 398
 399         GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", 0,
 400                         RK2928_CLKGATE_CON(1), 5, GFLAGS),
 401         GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin12m", 0,
 402                         RK2928_CLKGATE_CON(1), 6, GFLAGS),
 403
 404         COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
 405                         RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
 406                         RK2928_CLKGATE_CON(2), 8, GFLAGS),
 407
 408         COMPOSITE(ACLK_GPU, "aclk_gpu", mux_pll_src_5plls_p, 0,
 409                         RK2928_CLKSEL_CON(34), 5, 3, MFLAGS, 0, 5, DFLAGS,
 410                         RK2928_CLKGATE_CON(3), 13, GFLAGS),
 411
 412         COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_3plls_p, 0,
 413                         RK2928_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 7, DFLAGS,
 414                         RK2928_CLKGATE_CON(2), 9, GFLAGS),
 415
 416         /* PD_UART */
 417         COMPOSITE(0, "uart0_src", mux_pll_src_4plls_p, 0,
 418                         RK2928_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS,
 419                         RK2928_CLKGATE_CON(1), 8, GFLAGS),
 420         MUX(0, "uart12_src", mux_pll_src_4plls_p, 0,
 421                         RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
 422         COMPOSITE_NOMUX(0, "uart1_src", "uart12_src", 0,
 423                         RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
 424                         RK2928_CLKGATE_CON(1), 10, GFLAGS),
 425         COMPOSITE_NOMUX(0, "uart2_src", "uart12_src", 0,
 426                         RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
 427                         RK2928_CLKGATE_CON(1), 13, GFLAGS),
 428         COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
 429                         RK2928_CLKSEL_CON(17), 0,
 430                         RK2928_CLKGATE_CON(1), 9, GFLAGS,
 431                         &rk3128_uart0_fracmux),
 432         COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
 433                         RK2928_CLKSEL_CON(18), 0,
 434                         RK2928_CLKGATE_CON(1), 11, GFLAGS,
 435                         &rk3128_uart1_fracmux),
 436         COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
 437                         RK2928_CLKSEL_CON(19), 0,
 438                         RK2928_CLKGATE_CON(1), 13, GFLAGS,
 439                         &rk3128_uart2_fracmux),
 440
 441         COMPOSITE(SCLK_MAC_SRC, "sclk_gmac_src", mux_pll_src_3plls_p, 0,
 442                         RK2928_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 5, DFLAGS,
 443                         RK2928_CLKGATE_CON(1), 7, GFLAGS),
 444         MUX(SCLK_MAC, "sclk_gmac", mux_sclk_gmac_p, 0,
 445                         RK2928_CLKSEL_CON(5), 15, 1, MFLAGS),
 446         GATE(SCLK_MAC_REFOUT, "sclk_mac_refout", "sclk_gmac", 0,
 447                         RK2928_CLKGATE_CON(2), 5, GFLAGS),
 448         GATE(SCLK_MAC_REF, "sclk_mac_ref", "sclk_gmac", 0,
 449                         RK2928_CLKGATE_CON(2), 4, GFLAGS),
 450         GATE(SCLK_MAC_RX, "sclk_mac_rx", "sclk_gmac", 0,
 451                         RK2928_CLKGATE_CON(2), 6, GFLAGS),
 452         GATE(SCLK_MAC_TX, "sclk_mac_tx", "sclk_gmac", 0,
 453                         RK2928_CLKGATE_CON(2), 7, GFLAGS),
 454
 455         COMPOSITE(SCLK_TSP, "sclk_tsp", mux_pll_src_3plls_p, 0,
 456                         RK2928_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS,
 457                         RK2928_CLKGATE_CON(1), 14, GFLAGS),
 458
 459         COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_3plls_p, 0,
 460                         RK2928_CLKSEL_CON(2), 14, 2, MFLAGS, 8, 5, DFLAGS,
 461                         RK2928_CLKGATE_CON(10), 15, GFLAGS),
 462
 463         COMPOSITE_NOMUX(PCLK_PMU_PRE, "pclk_pmu_pre", "cpll", 0,
 464                         RK2928_CLKSEL_CON(29), 8, 6, DFLAGS,
 465                         RK2928_CLKGATE_CON(1), 0, GFLAGS),
 466
 467         /*
 468          * Clock-Architecture Diagram 3
 469          */
 470
 471         /* PD_VOP */
 472         GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
 473         GATE(ACLK_CIF, "aclk_cif", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
 474         GATE(ACLK_RGA, "aclk_rga", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
 475         GATE(0, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS),
 476
 477         GATE(ACLK_IEP, "aclk_iep", "aclk_vio1", 0, RK2928_CLKGATE_CON(9), 8, GFLAGS),
 478         GATE(0, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 10, GFLAGS),
 479
 480         GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
 481         GATE(PCLK_MIPI, "pclk_mipi", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
 482         GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
 483         GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
 484         GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 7, GFLAGS),
 485         GATE(0, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 12, GFLAGS),
 486         GATE(HCLK_CIF, "hclk_cif", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
 487         GATE(HCLK_EBC, "hclk_ebc", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 9, GFLAGS),
 488
 489         /* PD_PERI */
 490         GATE(0, "aclk_peri_axi", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
 491         GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK2928_CLKGATE_CON(10), 10, GFLAGS),
 492         GATE(ACLK_DMAC, "aclk_dmac", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
 493         GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS),
 494         GATE(0, "aclk_cpu_to_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
 495
 496         GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
 497         GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
 498         GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
 499         GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS),
 500         GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
 501         GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 13, GFLAGS),
 502         GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS),
 503         GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS),
 504         GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS),
 505         GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
 506         GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
 507         GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
 508         GATE(0, "hclk_emmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 6, GFLAGS),
 509         GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
 510         GATE(HCLK_USBHOST, "hclk_usbhost", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 14, GFLAGS),
 511
 512         GATE(PCLK_SIM_CARD, "pclk_sim_card", "pclk_peri", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS),
 513         GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK2928_CLKGATE_CON(10), 11, GFLAGS),
 514         GATE(0, "pclk_peri_axi", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
 515         GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
 516         GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
 517         GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
 518         GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
 519         GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
 520         GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
 521         GATE(PCLK_I2C0, "pclk_i2c0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
 522         GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
 523         GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
 524         GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
 525         GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
 526         GATE(PCLK_EFUSE, "pclk_efuse", "pclk_peri", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
 527         GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 7, GFLAGS),
 528         GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
 529         GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
 530         GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
 531         GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
 532
 533         /* PD_BUS */
 534         GATE(0, "aclk_initmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
 535         GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
 536
 537         GATE(0, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS),
 538         GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
 539
 540         GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS),
 541         GATE(0, "pclk_ddrupctl", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 7, GFLAGS),
 542         GATE(0, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
 543         GATE(0, "pclk_mipiphy", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 0, GFLAGS),
 544
 545         GATE(0, "pclk_pmu", "pclk_pmu_pre", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
 546         GATE(0, "pclk_pmu_niu", "pclk_pmu_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 3, GFLAGS),
 547
 548         /* PD_MMC */
 549         MMC(SCLK_SDMMC_DRV,    "sdmmc_drv",    "sclk_sdmmc", RK3228_SDMMC_CON0, 1),
 550         MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0),
 551
 552         MMC(SCLK_SDIO_DRV,     "sdio_drv",     "sclk_sdio",  RK3228_SDIO_CON0,  1),
 553         MMC(SCLK_SDIO_SAMPLE,  "sdio_sample",  "sclk_sdio",  RK3228_SDIO_CON1,  0),
 554
 555         MMC(SCLK_EMMC_DRV,     "emmc_drv",     "sclk_emmc",  RK3228_EMMC_CON0,  1),
 556         MMC(SCLK_EMMC_SAMPLE,  "emmc_sample",  "sclk_emmc",  RK3228_EMMC_CON1,  0),
 557 };
 558
 559 static struct rockchip_clk_branch rk3126_clk_branches[] __initdata = {
 560         GATE(0, "pclk_stimer", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS),
 561         GATE(0, "pclk_s_efuse", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),
 562         GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 8, GFLAGS),
 563 };
 564
 565 static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
 566         COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0,
 567                         RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS,
 568                         RK2928_CLKGATE_CON(3), 15, GFLAGS),
 569
 570         GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
 571         GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
 572 };
 573
 574 static const char *const rk3128_critical_clocks[] __initconst = {
 575         "aclk_cpu",
 576         "hclk_cpu",
 577         "pclk_cpu",
 578         "aclk_peri",
 579         "hclk_peri",
 580         "pclk_peri",
 581         "pclk_pmu",
 582         "sclk_timer5",
 583 };
 584
 585 static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
 586 {
 587         struct rockchip_clk_provider *ctx;
 588         void __iomem *reg_base;
 589
 590         reg_base = of_iomap(np, 0);
 591         if (!reg_base) {
 592                 pr_err("%s: could not map cru region\n", __func__);
 593                 return ERR_PTR(-ENOMEM);
 594         }
 595
 596         ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 597         if (IS_ERR(ctx)) {
 598                 pr_err("%s: rockchip clk init failed\n", __func__);
 599                 iounmap(reg_base);
 600                 return ERR_PTR(-ENOMEM);
 601         }
 602
 603         rockchip_clk_register_plls(ctx, rk3128_pll_clks,
 604                                    ARRAY_SIZE(rk3128_pll_clks),
 605                                    RK3128_GRF_SOC_STATUS0);
 606         rockchip_clk_register_branches(ctx, common_clk_branches,
 607                                   ARRAY_SIZE(common_clk_branches));
 608
 609         rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
 610                         mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 611                         &rk3128_cpuclk_data, rk3128_cpuclk_rates,
 612                         ARRAY_SIZE(rk3128_cpuclk_rates));
 613
 614         rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
 615                                   ROCKCHIP_SOFTRST_HIWORD_MASK);
 616
 617         rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
 618
 619         return ctx;
 620 }
 621
 622 static void __init rk3126_clk_init(struct device_node *np)
 623 {
 624         struct rockchip_clk_provider *ctx;
 625
 626         ctx = rk3128_common_clk_init(np);
 627         if (IS_ERR(ctx))
 628                 return;
 629
 630         rockchip_clk_register_branches(ctx, rk3126_clk_branches,
 631                                        ARRAY_SIZE(rk3126_clk_branches));
 632         rockchip_clk_protect_critical(rk3128_critical_clocks,
 633                                       ARRAY_SIZE(rk3128_critical_clocks));
 634
 635         rockchip_clk_of_add_provider(np, ctx);
 636 }
 637
 638 CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init);
 639
 640 static void __init rk3128_clk_init(struct device_node *np)
 641 {
 642         struct rockchip_clk_provider *ctx;
 643
 644         ctx = rk3128_common_clk_init(np);
 645         if (IS_ERR(ctx))
 646                 return;
 647
 648         rockchip_clk_register_branches(ctx, rk3128_clk_branches,
 649                                        ARRAY_SIZE(rk3128_clk_branches));
 650         rockchip_clk_protect_critical(rk3128_critical_clocks,
 651                                       ARRAY_SIZE(rk3128_critical_clocks));
 652
 653         rockchip_clk_of_add_provider(np, ctx);
 654 }
 655
 656 CLK_OF_DECLARE(rk3128_cru, "rockchip,rk3128-cru", rk3128_clk_init);