linux/drivers/clk/rockchip/clk-rk3188.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Copyright (c) 2014 MundoReader S.L.
   4 * Author: Heiko Stuebner <heiko@sntech.de>
   5 */
   6
   7#include <linux/clk.h>
   8#include <linux/clk-provider.h>
   9#include <linux/io.h>
  10#include <linux/of.h>
  11#include <linux/of_address.h>
  12#include <dt-bindings/clock/rk3188-cru-common.h>
  13#include "clk.h"
  14
  15#define RK3066_GRF_SOC_STATUS   0x15c
  16#define RK3188_GRF_SOC_STATUS   0xac
  17
  18enum rk3188_plls {
  19        apll, cpll, dpll, gpll,
  20};
  21
  22static struct rockchip_pll_rate_table rk3188_pll_rates[] = {
  23        RK3066_PLL_RATE(2208000000, 1, 92, 1),
  24        RK3066_PLL_RATE(2184000000, 1, 91, 1),
  25        RK3066_PLL_RATE(2160000000, 1, 90, 1),
  26        RK3066_PLL_RATE(2136000000, 1, 89, 1),
  27        RK3066_PLL_RATE(2112000000, 1, 88, 1),
  28        RK3066_PLL_RATE(2088000000, 1, 87, 1),
  29        RK3066_PLL_RATE(2064000000, 1, 86, 1),
  30        RK3066_PLL_RATE(2040000000, 1, 85, 1),
  31        RK3066_PLL_RATE(2016000000, 1, 84, 1),
  32        RK3066_PLL_RATE(1992000000, 1, 83, 1),
  33        RK3066_PLL_RATE(1968000000, 1, 82, 1),
  34        RK3066_PLL_RATE(1944000000, 1, 81, 1),
  35        RK3066_PLL_RATE(1920000000, 1, 80, 1),
  36        RK3066_PLL_RATE(1896000000, 1, 79, 1),
  37        RK3066_PLL_RATE(1872000000, 1, 78, 1),
  38        RK3066_PLL_RATE(1848000000, 1, 77, 1),
  39        RK3066_PLL_RATE(1824000000, 1, 76, 1),
  40        RK3066_PLL_RATE(1800000000, 1, 75, 1),
  41        RK3066_PLL_RATE(1776000000, 1, 74, 1),
  42        RK3066_PLL_RATE(1752000000, 1, 73, 1),
  43        RK3066_PLL_RATE(1728000000, 1, 72, 1),
  44        RK3066_PLL_RATE(1704000000, 1, 71, 1),
  45        RK3066_PLL_RATE(1680000000, 1, 70, 1),
  46        RK3066_PLL_RATE(1656000000, 1, 69, 1),
  47        RK3066_PLL_RATE(1632000000, 1, 68, 1),
  48        RK3066_PLL_RATE(1608000000, 1, 67, 1),
  49        RK3066_PLL_RATE(1560000000, 1, 65, 1),
  50        RK3066_PLL_RATE(1512000000, 1, 63, 1),
  51        RK3066_PLL_RATE(1488000000, 1, 62, 1),
  52        RK3066_PLL_RATE(1464000000, 1, 61, 1),
  53        RK3066_PLL_RATE(1440000000, 1, 60, 1),
  54        RK3066_PLL_RATE(1416000000, 1, 59, 1),
  55        RK3066_PLL_RATE(1392000000, 1, 58, 1),
  56        RK3066_PLL_RATE(1368000000, 1, 57, 1),
  57        RK3066_PLL_RATE(1344000000, 1, 56, 1),
  58        RK3066_PLL_RATE(1320000000, 1, 55, 1),
  59        RK3066_PLL_RATE(1296000000, 1, 54, 1),
  60        RK3066_PLL_RATE(1272000000, 1, 53, 1),
  61        RK3066_PLL_RATE(1248000000, 1, 52, 1),
  62        RK3066_PLL_RATE(1224000000, 1, 51, 1),
  63        RK3066_PLL_RATE(1200000000, 1, 50, 1),
  64        RK3066_PLL_RATE(1188000000, 2, 99, 1),
  65        RK3066_PLL_RATE(1176000000, 1, 49, 1),
  66        RK3066_PLL_RATE(1128000000, 1, 47, 1),
  67        RK3066_PLL_RATE(1104000000, 1, 46, 1),
  68        RK3066_PLL_RATE(1008000000, 1, 84, 2),
  69        RK3066_PLL_RATE( 912000000, 1, 76, 2),
  70        RK3066_PLL_RATE( 891000000, 8, 594, 2),
  71        RK3066_PLL_RATE( 888000000, 1, 74, 2),
  72        RK3066_PLL_RATE( 816000000, 1, 68, 2),
  73        RK3066_PLL_RATE( 798000000, 2, 133, 2),
  74        RK3066_PLL_RATE( 792000000, 1, 66, 2),
  75        RK3066_PLL_RATE( 768000000, 1, 64, 2),
  76        RK3066_PLL_RATE( 742500000, 8, 495, 2),
  77        RK3066_PLL_RATE( 696000000, 1, 58, 2),
  78        RK3066_PLL_RATE( 600000000, 1, 50, 2),
  79        RK3066_PLL_RATE( 594000000, 2, 198, 4),
  80        RK3066_PLL_RATE( 552000000, 1, 46, 2),
  81        RK3066_PLL_RATE( 504000000, 1, 84, 4),
  82        RK3066_PLL_RATE( 456000000, 1, 76, 4),
  83        RK3066_PLL_RATE( 408000000, 1, 68, 4),
  84        RK3066_PLL_RATE( 400000000, 3, 100, 2),
  85        RK3066_PLL_RATE( 384000000, 2, 128, 4),
  86        RK3066_PLL_RATE( 360000000, 1, 60, 4),
  87        RK3066_PLL_RATE( 312000000, 1, 52, 4),
  88        RK3066_PLL_RATE( 300000000, 1, 50, 4),
  89        RK3066_PLL_RATE( 297000000, 2, 198, 8),
  90        RK3066_PLL_RATE( 252000000, 1, 84, 8),
  91        RK3066_PLL_RATE( 216000000, 1, 72, 8),
  92        RK3066_PLL_RATE( 148500000, 2, 99, 8),
  93        RK3066_PLL_RATE( 126000000, 1, 84, 16),
  94        RK3066_PLL_RATE(  48000000, 1, 64, 32),
  95        { /* sentinel */ },
  96};
  97
  98#define RK3066_DIV_CORE_PERIPH_MASK     0x3
  99#define RK3066_DIV_CORE_PERIPH_SHIFT    6
 100#define RK3066_DIV_ACLK_CORE_MASK       0x7
 101#define RK3066_DIV_ACLK_CORE_SHIFT      0
 102#define RK3066_DIV_ACLK_HCLK_MASK       0x3
 103#define RK3066_DIV_ACLK_HCLK_SHIFT      8
 104#define RK3066_DIV_ACLK_PCLK_MASK       0x3
 105#define RK3066_DIV_ACLK_PCLK_SHIFT      12
 106#define RK3066_DIV_AHB2APB_MASK         0x3
 107#define RK3066_DIV_AHB2APB_SHIFT        14
 108
 109#define RK3066_CLKSEL0(_core_peri)                                      \
 110        {                                                               \
 111                .reg = RK2928_CLKSEL_CON(0),                            \
 112                .val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
 113                                RK3066_DIV_CORE_PERIPH_SHIFT)           \
 114        }
 115#define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb)    \
 116        {                                                               \
 117                .reg = RK2928_CLKSEL_CON(1),                            \
 118                .val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
 119                                RK3066_DIV_ACLK_CORE_SHIFT) |           \
 120                       HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
 121                                RK3066_DIV_ACLK_HCLK_SHIFT) |           \
 122                       HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
 123                                RK3066_DIV_ACLK_PCLK_SHIFT) |           \
 124                       HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK, \
 125                                RK3066_DIV_AHB2APB_SHIFT),              \
 126        }
 127
 128#define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
 129        {                                                               \
 130                .prate = _prate,                                        \
 131                .divs = {                                               \
 132                        RK3066_CLKSEL0(_core_peri),                     \
 133                        RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p),   \
 134                },                                                      \
 135        }
 136
 137static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
 138        RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
 139        RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
 140        RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
 141        RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
 142        RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
 143        RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
 144        RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
 145};
 146
 147static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
 148        .core_reg = RK2928_CLKSEL_CON(0),
 149        .div_core_shift = 0,
 150        .div_core_mask = 0x1f,
 151        .mux_core_alt = 1,
 152        .mux_core_main = 0,
 153        .mux_core_shift = 8,
 154        .mux_core_mask = 0x1,
 155};
 156
 157#define RK3188_DIV_ACLK_CORE_MASK       0x7
 158#define RK3188_DIV_ACLK_CORE_SHIFT      3
 159
 160#define RK3188_CLKSEL1(_aclk_core)              \
 161        {                                       \
 162                .reg = RK2928_CLKSEL_CON(1),    \
 163                .val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
 164                                 RK3188_DIV_ACLK_CORE_SHIFT) \
 165        }
 166#define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core)      \
 167        {                                                       \
 168                .prate = _prate,                                \
 169                .divs = {                                       \
 170                        RK3066_CLKSEL0(_core_peri),             \
 171                        RK3188_CLKSEL1(_aclk_core),             \
 172                },                                              \
 173        }
 174
 175static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
 176        RK3188_CPUCLK_RATE(1608000000, 2, 3),
 177        RK3188_CPUCLK_RATE(1416000000, 2, 3),
 178        RK3188_CPUCLK_RATE(1200000000, 2, 3),
 179        RK3188_CPUCLK_RATE(1008000000, 2, 3),
 180        RK3188_CPUCLK_RATE( 816000000, 2, 3),
 181        RK3188_CPUCLK_RATE( 600000000, 1, 3),
 182        RK3188_CPUCLK_RATE( 504000000, 1, 3),
 183        RK3188_CPUCLK_RATE( 312000000, 0, 1),
 184};
 185
 186static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
 187        .core_reg = RK2928_CLKSEL_CON(0),
 188        .div_core_shift = 9,
 189        .div_core_mask = 0x1f,
 190        .mux_core_alt = 1,
 191        .mux_core_main = 0,
 192        .mux_core_shift = 8,
 193        .mux_core_mask = 0x1,
 194};
 195
 196PNAME(mux_pll_p)                = { "xin24m", "xin32k" };
 197PNAME(mux_armclk_p)             = { "apll", "gpll_armclk" };
 198PNAME(mux_ddrphy_p)             = { "dpll", "gpll_ddr" };
 199PNAME(mux_pll_src_gpll_cpll_p)  = { "gpll", "cpll" };
 200PNAME(mux_pll_src_cpll_gpll_p)  = { "cpll", "gpll" };
 201PNAME(mux_aclk_cpu_p)           = { "apll", "gpll" };
 202PNAME(mux_sclk_cif0_p)          = { "cif0_pre", "xin24m" };
 203PNAME(mux_sclk_i2s0_p)          = { "i2s0_pre", "i2s0_frac", "xin12m" };
 204PNAME(mux_sclk_spdif_p)         = { "spdif_pre", "spdif_frac", "xin12m" };
 205PNAME(mux_sclk_uart0_p)         = { "uart0_pre", "uart0_frac", "xin24m" };
 206PNAME(mux_sclk_uart1_p)         = { "uart1_pre", "uart1_frac", "xin24m" };
 207PNAME(mux_sclk_uart2_p)         = { "uart2_pre", "uart2_frac", "xin24m" };
 208PNAME(mux_sclk_uart3_p)         = { "uart3_pre", "uart3_frac", "xin24m" };
 209PNAME(mux_sclk_hsadc_p)         = { "hsadc_src", "hsadc_frac", "ext_hsadc" };
 210PNAME(mux_mac_p)                = { "gpll", "dpll" };
 211PNAME(mux_sclk_macref_p)        = { "mac_src", "ext_rmii" };
 212
 213static 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
 224static 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#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
 239
 240/* 2 ^ (val + 1) */
 241static struct clk_div_table div_core_peri_t[] = {
 242        { .val = 0, .div = 2 },
 243        { .val = 1, .div = 4 },
 244        { .val = 2, .div = 8 },
 245        { .val = 3, .div = 16 },
 246        { /* sentinel */ },
 247};
 248
 249static struct rockchip_clk_branch common_hsadc_out_fracmux __initdata =
 250        MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0,
 251                        RK2928_CLKSEL_CON(22), 4, 2, MFLAGS);
 252
 253static struct rockchip_clk_branch common_spdif_fracmux __initdata =
 254        MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
 255                        RK2928_CLKSEL_CON(5), 8, 2, MFLAGS);
 256
 257static struct rockchip_clk_branch common_uart0_fracmux __initdata =
 258        MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0,
 259                        RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
 260
 261static struct rockchip_clk_branch common_uart1_fracmux __initdata =
 262        MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0,
 263                        RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
 264
 265static struct rockchip_clk_branch common_uart2_fracmux __initdata =
 266        MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0,
 267                        RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
 268
 269static struct rockchip_clk_branch common_uart3_fracmux __initdata =
 270        MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0,
 271                        RK2928_CLKSEL_CON(16), 8, 2, MFLAGS);
 272
 273static struct rockchip_clk_branch common_clk_branches[] __initdata = {
 274        /*
 275         * Clock-Architecture Diagram 2
 276         */
 277
 278        GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
 279
 280        /* these two are set by the cpuclk and should not be changed */
 281        COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
 282                        RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
 283                        div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
 284
 285        COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
 286                        RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
 287                        RK2928_CLKGATE_CON(3), 9, GFLAGS),
 288        GATE(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0,
 289                        RK2928_CLKGATE_CON(3), 10, GFLAGS),
 290        COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
 291                        RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
 292                        RK2928_CLKGATE_CON(3), 11, GFLAGS),
 293        GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0,
 294                        RK2928_CLKGATE_CON(3), 12, GFLAGS),
 295
 296        GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
 297                        RK2928_CLKGATE_CON(1), 7, GFLAGS),
 298        COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
 299                        RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 300                        RK2928_CLKGATE_CON(0), 2, GFLAGS),
 301
 302        GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0,
 303                        RK2928_CLKGATE_CON(0), 3, GFLAGS),
 304
 305        GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
 306                        RK2928_CLKGATE_CON(0), 6, GFLAGS),
 307        GATE(PCLK_CPU, "pclk_cpu", "pclk_cpu_pre", 0,
 308                        RK2928_CLKGATE_CON(0), 5, GFLAGS),
 309        GATE(HCLK_CPU, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
 310                        RK2928_CLKGATE_CON(0), 4, GFLAGS),
 311
 312        COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
 313                        RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
 314                        RK2928_CLKGATE_CON(3), 0, GFLAGS),
 315        COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
 316                        RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
 317                        RK2928_CLKGATE_CON(1), 4, GFLAGS),
 318
 319        GATE(ACLK_PERI, "aclk_peri", "aclk_peri_pre", 0,
 320                        RK2928_CLKGATE_CON(2), 1, GFLAGS),
 321        COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_pre", 0,
 322                        RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 323                        RK2928_CLKGATE_CON(2), 2, GFLAGS),
 324        COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_pre", 0,
 325                        RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 326                        RK2928_CLKGATE_CON(2), 3, GFLAGS),
 327
 328        MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
 329                        RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
 330        COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
 331                        RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
 332                        RK2928_CLKGATE_CON(3), 7, GFLAGS),
 333        MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
 334                        RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
 335
 336        GATE(0, "pclkin_cif0", "ext_cif0", 0,
 337                        RK2928_CLKGATE_CON(3), 3, GFLAGS),
 338        INVERTER(0, "pclk_cif0", "pclkin_cif0",
 339                        RK2928_CLKSEL_CON(30), 8, IFLAGS),
 340
 341        FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
 342
 343        /*
 344         * the 480m are generated inside the usb block from these clocks,
 345         * but they are also a source for the hsicphy clock.
 346         */
 347        GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
 348                        RK2928_CLKGATE_CON(1), 5, GFLAGS),
 349        GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
 350                        RK2928_CLKGATE_CON(1), 6, GFLAGS),
 351
 352        COMPOSITE(0, "mac_src", mux_mac_p, 0,
 353                        RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
 354                        RK2928_CLKGATE_CON(2), 5, GFLAGS),
 355        MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
 356                        RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
 357        GATE(0, "sclk_mac_lbtest", "sclk_macref", 0,
 358                        RK2928_CLKGATE_CON(2), 12, GFLAGS),
 359
 360        COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
 361                        RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
 362                        RK2928_CLKGATE_CON(2), 6, GFLAGS),
 363        COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0,
 364                        RK2928_CLKSEL_CON(23), 0,
 365                        RK2928_CLKGATE_CON(2), 7, GFLAGS,
 366                        &common_hsadc_out_fracmux),
 367        INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
 368                        RK2928_CLKSEL_CON(22), 7, IFLAGS),
 369
 370        COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
 371                        RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
 372                        RK2928_CLKGATE_CON(2), 8, GFLAGS),
 373
 374        COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
 375                        RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
 376                        RK2928_CLKGATE_CON(0), 13, GFLAGS),
 377        COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pre", CLK_SET_RATE_PARENT,
 378                        RK2928_CLKSEL_CON(9), 0,
 379                        RK2928_CLKGATE_CON(0), 14, GFLAGS,
 380                        &common_spdif_fracmux),
 381
 382        /*
 383         * Clock-Architecture Diagram 4
 384         */
 385
 386        GATE(SCLK_SMC, "sclk_smc", "hclk_peri", 0,
 387                        RK2928_CLKGATE_CON(2), 4, GFLAGS),
 388
 389        COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
 390                        RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
 391                        RK2928_CLKGATE_CON(2), 9, GFLAGS),
 392        COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
 393                        RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
 394                        RK2928_CLKGATE_CON(2), 10, GFLAGS),
 395
 396        COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
 397                        RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
 398                        RK2928_CLKGATE_CON(2), 11, GFLAGS),
 399        COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
 400                        RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
 401                        RK2928_CLKGATE_CON(2), 13, GFLAGS),
 402        COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
 403                        RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
 404                        RK2928_CLKGATE_CON(2), 14, GFLAGS),
 405
 406        MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
 407                        RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
 408        COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
 409                        RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
 410                        RK2928_CLKGATE_CON(1), 8, GFLAGS),
 411        COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", 0,
 412                        RK2928_CLKSEL_CON(17), 0,
 413                        RK2928_CLKGATE_CON(1), 9, GFLAGS,
 414                        &common_uart0_fracmux),
 415        COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
 416                        RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
 417                        RK2928_CLKGATE_CON(1), 10, GFLAGS),
 418        COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", 0,
 419                        RK2928_CLKSEL_CON(18), 0,
 420                        RK2928_CLKGATE_CON(1), 11, GFLAGS,
 421                        &common_uart1_fracmux),
 422        COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
 423                        RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
 424                        RK2928_CLKGATE_CON(1), 12, GFLAGS),
 425        COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", 0,
 426                        RK2928_CLKSEL_CON(19), 0,
 427                        RK2928_CLKGATE_CON(1), 13, GFLAGS,
 428                        &common_uart2_fracmux),
 429        COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
 430                        RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
 431                        RK2928_CLKGATE_CON(1), 14, GFLAGS),
 432        COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", 0,
 433                        RK2928_CLKSEL_CON(20), 0,
 434                        RK2928_CLKGATE_CON(1), 15, GFLAGS,
 435                        &common_uart3_fracmux),
 436
 437        GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
 438
 439        GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
 440        GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
 441
 442        /* clk_core_pre gates */
 443        GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
 444
 445        /* aclk_cpu gates */
 446        GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
 447        GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
 448        GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
 449
 450        /* hclk_cpu gates */
 451        GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
 452        GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
 453        GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
 454        GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
 455        /* hclk_ahb2apb is part of a clk branch */
 456        GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
 457        GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
 458        GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
 459        GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
 460        GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
 461        GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
 462
 463        /* hclk_peri gates */
 464        GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
 465        GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
 466        GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS),
 467        GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
 468        GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
 469        GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS),
 470        GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
 471        GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
 472        GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
 473        GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
 474        GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
 475        GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
 476
 477        /* aclk_lcdc0_pre gates */
 478        GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
 479        GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
 480        GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
 481        GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
 482
 483        /* aclk_lcdc1_pre gates */
 484        GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
 485        GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
 486        GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
 487
 488        /* atclk_cpu gates */
 489        GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
 490        GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
 491
 492        /* pclk_cpu gates */
 493        GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
 494        GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
 495        GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
 496        GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
 497        GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
 498        GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
 499        GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
 500        GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
 501        GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
 502        GATE(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
 503        GATE(PCLK_PUBL, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
 504        GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
 505        GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
 506        GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
 507
 508        /* aclk_peri */
 509        GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
 510        GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
 511        GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
 512        GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
 513        GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
 514
 515        /* pclk_peri gates */
 516        GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
 517        GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
 518        GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
 519        GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
 520        GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
 521        GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
 522        GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, 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_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
 526        GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
 527        GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
 528};
 529
 530PNAME(mux_rk3066_lcdc0_p)       = { "dclk_lcdc0_src", "xin27m" };
 531PNAME(mux_rk3066_lcdc1_p)       = { "dclk_lcdc1_src", "xin27m" };
 532PNAME(mux_sclk_cif1_p)          = { "cif1_pre", "xin24m" };
 533PNAME(mux_sclk_i2s1_p)          = { "i2s1_pre", "i2s1_frac", "xin12m" };
 534PNAME(mux_sclk_i2s2_p)          = { "i2s2_pre", "i2s2_frac", "xin12m" };
 535
 536static struct clk_div_table div_aclk_cpu_t[] = {
 537        { .val = 0, .div = 1 },
 538        { .val = 1, .div = 2 },
 539        { .val = 2, .div = 3 },
 540        { .val = 3, .div = 4 },
 541        { .val = 4, .div = 8 },
 542        { /* sentinel */ },
 543};
 544
 545static struct rockchip_clk_branch rk3066a_i2s0_fracmux __initdata =
 546        MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
 547                        RK2928_CLKSEL_CON(2), 8, 2, MFLAGS);
 548
 549static struct rockchip_clk_branch rk3066a_i2s1_fracmux __initdata =
 550        MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
 551                        RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
 552
 553static struct rockchip_clk_branch rk3066a_i2s2_fracmux __initdata =
 554        MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
 555                        RK2928_CLKSEL_CON(4), 8, 2, MFLAGS);
 556
 557static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
 558        DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
 559                        RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
 560        DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
 561                        RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
 562                                                            | CLK_DIVIDER_READ_ONLY),
 563        DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
 564                        RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
 565                                                           | CLK_DIVIDER_READ_ONLY),
 566        COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
 567                        RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
 568                                                            | CLK_DIVIDER_READ_ONLY,
 569                        RK2928_CLKGATE_CON(4), 9, GFLAGS),
 570
 571        GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
 572                        RK2928_CLKGATE_CON(9), 4, GFLAGS),
 573
 574        COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
 575                        RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
 576                        RK2928_CLKGATE_CON(2), 0, GFLAGS),
 577
 578        COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
 579                        RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
 580                        RK2928_CLKGATE_CON(3), 1, GFLAGS),
 581        MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, CLK_SET_RATE_PARENT,
 582                        RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
 583        COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
 584                        RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
 585                        RK2928_CLKGATE_CON(3), 2, GFLAGS),
 586        MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, CLK_SET_RATE_PARENT,
 587                        RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
 588
 589        COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
 590                        RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
 591                        RK2928_CLKGATE_CON(3), 8, GFLAGS),
 592        MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
 593                        RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
 594
 595        GATE(0, "pclkin_cif1", "ext_cif1", 0,
 596                        RK2928_CLKGATE_CON(3), 4, GFLAGS),
 597        INVERTER(0, "pclk_cif1", "pclkin_cif1",
 598                        RK2928_CLKSEL_CON(30), 12, IFLAGS),
 599
 600        COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
 601                        RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
 602                        RK2928_CLKGATE_CON(3), 13, GFLAGS),
 603        GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
 604                        RK2928_CLKGATE_CON(5), 15, GFLAGS),
 605
 606        GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
 607                        RK2928_CLKGATE_CON(3), 2, GFLAGS),
 608
 609        COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin24m", 0,
 610                        RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
 611                        RK2928_CLKGATE_CON(2), 15, GFLAGS),
 612
 613        MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
 614                        RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
 615        COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
 616                        RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
 617                        RK2928_CLKGATE_CON(0), 7, GFLAGS),
 618        COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0,
 619                        RK2928_CLKSEL_CON(6), 0,
 620                        RK2928_CLKGATE_CON(0), 8, GFLAGS,
 621                        &rk3066a_i2s0_fracmux),
 622        COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
 623                        RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
 624                        RK2928_CLKGATE_CON(0), 9, GFLAGS),
 625        COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_pre", 0,
 626                        RK2928_CLKSEL_CON(7), 0,
 627                        RK2928_CLKGATE_CON(0), 10, GFLAGS,
 628                        &rk3066a_i2s1_fracmux),
 629        COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
 630                        RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
 631                        RK2928_CLKGATE_CON(0), 11, GFLAGS),
 632        COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_pre", 0,
 633                        RK2928_CLKSEL_CON(8), 0,
 634                        RK2928_CLKGATE_CON(0), 12, GFLAGS,
 635                        &rk3066a_i2s2_fracmux),
 636
 637        GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
 638        GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
 639        GATE(HCLK_CIF1, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
 640        GATE(HCLK_HDMI, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
 641
 642        GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
 643                        RK2928_CLKGATE_CON(5), 14, GFLAGS),
 644
 645        GATE(ACLK_CIF1, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
 646
 647        GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
 648        GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
 649        GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
 650        GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
 651        GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
 652
 653        GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
 654        GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
 655};
 656
 657static struct clk_div_table div_rk3188_aclk_core_t[] = {
 658        { .val = 0, .div = 1 },
 659        { .val = 1, .div = 2 },
 660        { .val = 2, .div = 3 },
 661        { .val = 3, .div = 4 },
 662        { .val = 4, .div = 8 },
 663        { /* sentinel */ },
 664};
 665
 666PNAME(mux_hsicphy_p)            = { "sclk_otgphy0_480m", "sclk_otgphy1_480m",
 667                                    "gpll", "cpll" };
 668
 669static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata =
 670        MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, CLK_SET_RATE_PARENT,
 671                        RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
 672
 673static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
 674        COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
 675                        RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 676                        div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
 677
 678        /* do not source aclk_cpu_pre from the apll, to keep complexity down */
 679        COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
 680                        RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
 681        DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
 682                        RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
 683        DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
 684                        RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
 685        COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
 686                        RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 687                        RK2928_CLKGATE_CON(4), 9, GFLAGS),
 688
 689        GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
 690                        RK2928_CLKGATE_CON(9), 4, GFLAGS),
 691
 692        COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
 693                        RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
 694                        RK2928_CLKGATE_CON(2), 0, GFLAGS),
 695
 696        COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
 697                        RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
 698                        RK2928_CLKGATE_CON(3), 1, GFLAGS),
 699        COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
 700                        RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
 701                        RK2928_CLKGATE_CON(3), 2, GFLAGS),
 702
 703        COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
 704                        RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
 705                        RK2928_CLKGATE_CON(3), 15, GFLAGS),
 706        GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
 707                        RK2928_CLKGATE_CON(9), 7, GFLAGS),
 708
 709        GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
 710        GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
 711        GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
 712        GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
 713        GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
 714
 715        COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
 716                        RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
 717                        RK2928_CLKGATE_CON(3), 6, GFLAGS),
 718        DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
 719                        RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
 720
 721        MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
 722                        RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
 723        COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
 724                        RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
 725                        RK2928_CLKGATE_CON(0), 9, GFLAGS),
 726        COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", CLK_SET_RATE_PARENT,
 727                        RK2928_CLKSEL_CON(7), 0,
 728                        RK2928_CLKGATE_CON(0), 10, GFLAGS,
 729                        &rk3188_i2s0_fracmux),
 730
 731        GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
 732        GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
 733
 734        GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
 735                        RK2928_CLKGATE_CON(7), 3, GFLAGS),
 736        GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
 737
 738        GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
 739
 740        GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
 741        GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
 742
 743        GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
 744};
 745
 746static const char *const rk3188_critical_clocks[] __initconst = {
 747        "aclk_cpu",
 748        "aclk_peri",
 749        "hclk_peri",
 750        "pclk_cpu",
 751        "pclk_peri",
 752        "hclk_cpubus",
 753        "hclk_vio_bus",
 754};
 755
 756static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device_node *np)
 757{
 758        struct rockchip_clk_provider *ctx;
 759        void __iomem *reg_base;
 760
 761        reg_base = of_iomap(np, 0);
 762        if (!reg_base) {
 763                pr_err("%s: could not map cru region\n", __func__);
 764                return ERR_PTR(-ENOMEM);
 765        }
 766
 767        ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 768        if (IS_ERR(ctx)) {
 769                pr_err("%s: rockchip clk init failed\n", __func__);
 770                iounmap(reg_base);
 771                return ERR_PTR(-ENOMEM);
 772        }
 773
 774        rockchip_clk_register_branches(ctx, common_clk_branches,
 775                                  ARRAY_SIZE(common_clk_branches));
 776
 777        rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
 778                                  ROCKCHIP_SOFTRST_HIWORD_MASK);
 779
 780        rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
 781
 782        return ctx;
 783}
 784
 785static void __init rk3066a_clk_init(struct device_node *np)
 786{
 787        struct rockchip_clk_provider *ctx;
 788
 789        ctx = rk3188_common_clk_init(np);
 790        if (IS_ERR(ctx))
 791                return;
 792
 793        rockchip_clk_register_plls(ctx, rk3066_pll_clks,
 794                                   ARRAY_SIZE(rk3066_pll_clks),
 795                                   RK3066_GRF_SOC_STATUS);
 796        rockchip_clk_register_branches(ctx, rk3066a_clk_branches,
 797                                  ARRAY_SIZE(rk3066a_clk_branches));
 798        rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
 799                        mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 800                        &rk3066_cpuclk_data, rk3066_cpuclk_rates,
 801                        ARRAY_SIZE(rk3066_cpuclk_rates));
 802        rockchip_clk_protect_critical(rk3188_critical_clocks,
 803                                      ARRAY_SIZE(rk3188_critical_clocks));
 804        rockchip_clk_of_add_provider(np, ctx);
 805}
 806CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
 807
 808static void __init rk3188a_clk_init(struct device_node *np)
 809{
 810        struct rockchip_clk_provider *ctx;
 811        struct clk *clk1, *clk2;
 812        unsigned long rate;
 813        int ret;
 814
 815        ctx = rk3188_common_clk_init(np);
 816        if (IS_ERR(ctx))
 817                return;
 818
 819        rockchip_clk_register_plls(ctx, rk3188_pll_clks,
 820                                   ARRAY_SIZE(rk3188_pll_clks),
 821                                   RK3188_GRF_SOC_STATUS);
 822        rockchip_clk_register_branches(ctx, rk3188_clk_branches,
 823                                  ARRAY_SIZE(rk3188_clk_branches));
 824        rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
 825                                  mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 826                                  &rk3188_cpuclk_data, rk3188_cpuclk_rates,
 827                                  ARRAY_SIZE(rk3188_cpuclk_rates));
 828
 829        /* reparent aclk_cpu_pre from apll */
 830        clk1 = __clk_lookup("aclk_cpu_pre");
 831        clk2 = __clk_lookup("gpll");
 832        if (clk1 && clk2) {
 833                rate = clk_get_rate(clk1);
 834
 835                ret = clk_set_parent(clk1, clk2);
 836                if (ret < 0)
 837                        pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
 838                                __func__);
 839
 840                clk_set_rate(clk1, rate);
 841        } else {
 842                pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
 843                        __func__);
 844        }
 845
 846        rockchip_clk_protect_critical(rk3188_critical_clocks,
 847                                      ARRAY_SIZE(rk3188_critical_clocks));
 848        rockchip_clk_of_add_provider(np, ctx);
 849}
 850CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
 851
 852static void __init rk3188_clk_init(struct device_node *np)
 853{
 854        int i;
 855
 856        for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
 857                struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
 858                struct rockchip_pll_rate_table *rate;
 859
 860                if (!pll->rate_table)
 861                        continue;
 862
 863                rate = pll->rate_table;
 864                while (rate->rate > 0) {
 865                        rate->nb = 1;
 866                        rate++;
 867                }
 868        }
 869
 870        rk3188a_clk_init(np);
 871}
 872CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
 873