drivers/clk/rockchip/clk-rk3188.c

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