linux/drivers/clk/rockchip/clk-rk3288.c
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   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 <linux/syscore_ops.h>
  20#include <dt-bindings/clock/rk3288-cru.h>
  21#include "clk.h"
  22
  23#define RK3288_GRF_SOC_CON(x)   (0x244 + x * 4)
  24#define RK3288_GRF_SOC_STATUS1  0x284
  25
  26enum rk3288_plls {
  27        apll, dpll, cpll, gpll, npll,
  28};
  29
  30static struct rockchip_pll_rate_table rk3288_pll_rates[] = {
  31        RK3066_PLL_RATE(2208000000, 1, 92, 1),
  32        RK3066_PLL_RATE(2184000000, 1, 91, 1),
  33        RK3066_PLL_RATE(2160000000, 1, 90, 1),
  34        RK3066_PLL_RATE(2136000000, 1, 89, 1),
  35        RK3066_PLL_RATE(2112000000, 1, 88, 1),
  36        RK3066_PLL_RATE(2088000000, 1, 87, 1),
  37        RK3066_PLL_RATE(2064000000, 1, 86, 1),
  38        RK3066_PLL_RATE(2040000000, 1, 85, 1),
  39        RK3066_PLL_RATE(2016000000, 1, 84, 1),
  40        RK3066_PLL_RATE(1992000000, 1, 83, 1),
  41        RK3066_PLL_RATE(1968000000, 1, 82, 1),
  42        RK3066_PLL_RATE(1944000000, 1, 81, 1),
  43        RK3066_PLL_RATE(1920000000, 1, 80, 1),
  44        RK3066_PLL_RATE(1896000000, 1, 79, 1),
  45        RK3066_PLL_RATE(1872000000, 1, 78, 1),
  46        RK3066_PLL_RATE(1848000000, 1, 77, 1),
  47        RK3066_PLL_RATE(1824000000, 1, 76, 1),
  48        RK3066_PLL_RATE(1800000000, 1, 75, 1),
  49        RK3066_PLL_RATE(1776000000, 1, 74, 1),
  50        RK3066_PLL_RATE(1752000000, 1, 73, 1),
  51        RK3066_PLL_RATE(1728000000, 1, 72, 1),
  52        RK3066_PLL_RATE(1704000000, 1, 71, 1),
  53        RK3066_PLL_RATE(1680000000, 1, 70, 1),
  54        RK3066_PLL_RATE(1656000000, 1, 69, 1),
  55        RK3066_PLL_RATE(1632000000, 1, 68, 1),
  56        RK3066_PLL_RATE(1608000000, 1, 67, 1),
  57        RK3066_PLL_RATE(1560000000, 1, 65, 1),
  58        RK3066_PLL_RATE(1512000000, 1, 63, 1),
  59        RK3066_PLL_RATE(1488000000, 1, 62, 1),
  60        RK3066_PLL_RATE(1464000000, 1, 61, 1),
  61        RK3066_PLL_RATE(1440000000, 1, 60, 1),
  62        RK3066_PLL_RATE(1416000000, 1, 59, 1),
  63        RK3066_PLL_RATE(1392000000, 1, 58, 1),
  64        RK3066_PLL_RATE(1368000000, 1, 57, 1),
  65        RK3066_PLL_RATE(1344000000, 1, 56, 1),
  66        RK3066_PLL_RATE(1320000000, 1, 55, 1),
  67        RK3066_PLL_RATE(1296000000, 1, 54, 1),
  68        RK3066_PLL_RATE(1272000000, 1, 53, 1),
  69        RK3066_PLL_RATE(1248000000, 1, 52, 1),
  70        RK3066_PLL_RATE(1224000000, 1, 51, 1),
  71        RK3066_PLL_RATE(1200000000, 1, 50, 1),
  72        RK3066_PLL_RATE(1188000000, 2, 99, 1),
  73        RK3066_PLL_RATE(1176000000, 1, 49, 1),
  74        RK3066_PLL_RATE(1128000000, 1, 47, 1),
  75        RK3066_PLL_RATE(1104000000, 1, 46, 1),
  76        RK3066_PLL_RATE(1008000000, 1, 84, 2),
  77        RK3066_PLL_RATE( 912000000, 1, 76, 2),
  78        RK3066_PLL_RATE( 891000000, 8, 594, 2),
  79        RK3066_PLL_RATE( 888000000, 1, 74, 2),
  80        RK3066_PLL_RATE( 816000000, 1, 68, 2),
  81        RK3066_PLL_RATE( 798000000, 2, 133, 2),
  82        RK3066_PLL_RATE( 792000000, 1, 66, 2),
  83        RK3066_PLL_RATE( 768000000, 1, 64, 2),
  84        RK3066_PLL_RATE( 742500000, 8, 495, 2),
  85        RK3066_PLL_RATE( 696000000, 1, 58, 2),
  86        RK3066_PLL_RATE( 600000000, 1, 50, 2),
  87        RK3066_PLL_RATE_NB(594000000, 1, 198, 8, 1),
  88        RK3066_PLL_RATE( 552000000, 1, 46, 2),
  89        RK3066_PLL_RATE( 504000000, 1, 84, 4),
  90        RK3066_PLL_RATE( 500000000, 3, 125, 2),
  91        RK3066_PLL_RATE( 456000000, 1, 76, 4),
  92        RK3066_PLL_RATE( 408000000, 1, 68, 4),
  93        RK3066_PLL_RATE( 400000000, 3, 100, 2),
  94        RK3066_PLL_RATE( 384000000, 2, 128, 4),
  95        RK3066_PLL_RATE( 360000000, 1, 60, 4),
  96        RK3066_PLL_RATE( 312000000, 1, 52, 4),
  97        RK3066_PLL_RATE( 300000000, 1, 50, 4),
  98        RK3066_PLL_RATE( 297000000, 2, 198, 8),
  99        RK3066_PLL_RATE( 252000000, 1, 84, 8),
 100        RK3066_PLL_RATE( 216000000, 1, 72, 8),
 101        RK3066_PLL_RATE( 148500000, 2, 99, 8),
 102        RK3066_PLL_RATE( 126000000, 1, 84, 16),
 103        RK3066_PLL_RATE(  48000000, 1, 64, 32),
 104        { /* sentinel */ },
 105};
 106
 107#define RK3288_DIV_ACLK_CORE_M0_MASK    0xf
 108#define RK3288_DIV_ACLK_CORE_M0_SHIFT   0
 109#define RK3288_DIV_ACLK_CORE_MP_MASK    0xf
 110#define RK3288_DIV_ACLK_CORE_MP_SHIFT   4
 111#define RK3288_DIV_L2RAM_MASK           0x7
 112#define RK3288_DIV_L2RAM_SHIFT          0
 113#define RK3288_DIV_ATCLK_MASK           0x1f
 114#define RK3288_DIV_ATCLK_SHIFT          4
 115#define RK3288_DIV_PCLK_DBGPRE_MASK     0x1f
 116#define RK3288_DIV_PCLK_DBGPRE_SHIFT    9
 117
 118#define RK3288_CLKSEL0(_core_m0, _core_mp)                              \
 119        {                                                               \
 120                .reg = RK3288_CLKSEL_CON(0),                            \
 121                .val = HIWORD_UPDATE(_core_m0, RK3288_DIV_ACLK_CORE_M0_MASK, \
 122                                RK3288_DIV_ACLK_CORE_M0_SHIFT) |        \
 123                       HIWORD_UPDATE(_core_mp, RK3288_DIV_ACLK_CORE_MP_MASK, \
 124                                RK3288_DIV_ACLK_CORE_MP_SHIFT),         \
 125        }
 126#define RK3288_CLKSEL37(_l2ram, _atclk, _pclk_dbg_pre)                  \
 127        {                                                               \
 128                .reg = RK3288_CLKSEL_CON(37),                           \
 129                .val = HIWORD_UPDATE(_l2ram, RK3288_DIV_L2RAM_MASK,     \
 130                                RK3288_DIV_L2RAM_SHIFT) |               \
 131                       HIWORD_UPDATE(_atclk, RK3288_DIV_ATCLK_MASK,     \
 132                                RK3288_DIV_ATCLK_SHIFT) |               \
 133                       HIWORD_UPDATE(_pclk_dbg_pre,                     \
 134                                RK3288_DIV_PCLK_DBGPRE_MASK,            \
 135                                RK3288_DIV_PCLK_DBGPRE_SHIFT),          \
 136        }
 137
 138#define RK3288_CPUCLK_RATE(_prate, _core_m0, _core_mp, _l2ram, _atclk, _pdbg) \
 139        {                                                               \
 140                .prate = _prate,                                        \
 141                .divs = {                                               \
 142                        RK3288_CLKSEL0(_core_m0, _core_mp),             \
 143                        RK3288_CLKSEL37(_l2ram, _atclk, _pdbg),         \
 144                },                                                      \
 145        }
 146
 147static struct rockchip_cpuclk_rate_table rk3288_cpuclk_rates[] __initdata = {
 148        RK3288_CPUCLK_RATE(1800000000, 1, 3, 1, 3, 3),
 149        RK3288_CPUCLK_RATE(1704000000, 1, 3, 1, 3, 3),
 150        RK3288_CPUCLK_RATE(1608000000, 1, 3, 1, 3, 3),
 151        RK3288_CPUCLK_RATE(1512000000, 1, 3, 1, 3, 3),
 152        RK3288_CPUCLK_RATE(1416000000, 1, 3, 1, 3, 3),
 153        RK3288_CPUCLK_RATE(1200000000, 1, 3, 1, 3, 3),
 154        RK3288_CPUCLK_RATE(1008000000, 1, 3, 1, 3, 3),
 155        RK3288_CPUCLK_RATE( 816000000, 1, 3, 1, 3, 3),
 156        RK3288_CPUCLK_RATE( 696000000, 1, 3, 1, 3, 3),
 157        RK3288_CPUCLK_RATE( 600000000, 1, 3, 1, 3, 3),
 158        RK3288_CPUCLK_RATE( 408000000, 1, 3, 1, 3, 3),
 159        RK3288_CPUCLK_RATE( 312000000, 1, 3, 1, 3, 3),
 160        RK3288_CPUCLK_RATE( 216000000, 1, 3, 1, 3, 3),
 161        RK3288_CPUCLK_RATE( 126000000, 1, 3, 1, 3, 3),
 162};
 163
 164static const struct rockchip_cpuclk_reg_data rk3288_cpuclk_data = {
 165        .core_reg = RK3288_CLKSEL_CON(0),
 166        .div_core_shift = 8,
 167        .div_core_mask = 0x1f,
 168        .mux_core_alt = 1,
 169        .mux_core_main = 0,
 170        .mux_core_shift = 15,
 171        .mux_core_mask = 0x1,
 172};
 173
 174PNAME(mux_pll_p)                = { "xin24m", "xin32k" };
 175PNAME(mux_armclk_p)             = { "apll_core", "gpll_core" };
 176PNAME(mux_ddrphy_p)             = { "dpll_ddr", "gpll_ddr" };
 177PNAME(mux_aclk_cpu_src_p)       = { "cpll_aclk_cpu", "gpll_aclk_cpu" };
 178
 179PNAME(mux_pll_src_cpll_gpll_p)          = { "cpll", "gpll" };
 180PNAME(mux_pll_src_npll_cpll_gpll_p)     = { "npll", "cpll", "gpll" };
 181PNAME(mux_pll_src_cpll_gpll_npll_p)     = { "cpll", "gpll", "npll" };
 182PNAME(mux_pll_src_cpll_gpll_usb480m_p)  = { "cpll", "gpll", "usbphy480m_src" };
 183PNAME(mux_pll_src_cpll_gll_usb_npll_p)  = { "cpll", "gpll", "usbphy480m_src", "npll" };
 184
 185PNAME(mux_mmc_src_p)    = { "cpll", "gpll", "xin24m", "xin24m" };
 186PNAME(mux_i2s_pre_p)    = { "i2s_src", "i2s_frac", "ext_i2s", "xin12m" };
 187PNAME(mux_i2s_clkout_p) = { "i2s_pre", "xin12m" };
 188PNAME(mux_spdif_p)      = { "spdif_pre", "spdif_frac", "xin12m" };
 189PNAME(mux_spdif_8ch_p)  = { "spdif_8ch_pre", "spdif_8ch_frac", "xin12m" };
 190PNAME(mux_uart0_p)      = { "uart0_src", "uart0_frac", "xin24m" };
 191PNAME(mux_uart1_p)      = { "uart1_src", "uart1_frac", "xin24m" };
 192PNAME(mux_uart2_p)      = { "uart2_src", "uart2_frac", "xin24m" };
 193PNAME(mux_uart3_p)      = { "uart3_src", "uart3_frac", "xin24m" };
 194PNAME(mux_uart4_p)      = { "uart4_src", "uart4_frac", "xin24m" };
 195PNAME(mux_vip_out_p)    = { "vip_src", "xin24m" };
 196PNAME(mux_mac_p)        = { "mac_pll_src", "ext_gmac" };
 197PNAME(mux_hsadcout_p)   = { "hsadc_src", "ext_hsadc" };
 198PNAME(mux_edp_24m_p)    = { "ext_edp_24m", "xin24m" };
 199PNAME(mux_tspout_p)     = { "cpll", "gpll", "npll", "xin27m" };
 200
 201PNAME(mux_usbphy480m_p)         = { "sclk_otgphy1_480m", "sclk_otgphy2_480m",
 202                                    "sclk_otgphy0_480m" };
 203PNAME(mux_hsicphy480m_p)        = { "cpll", "gpll", "usbphy480m_src" };
 204PNAME(mux_hsicphy12m_p)         = { "hsicphy12m_xin12m", "hsicphy12m_usbphy" };
 205
 206static struct rockchip_pll_clock rk3288_pll_clks[] __initdata = {
 207        [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK3288_PLL_CON(0),
 208                     RK3288_MODE_CON, 0, 6, 0, rk3288_pll_rates),
 209        [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK3288_PLL_CON(4),
 210                     RK3288_MODE_CON, 4, 5, 0, NULL),
 211        [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK3288_PLL_CON(8),
 212                     RK3288_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3288_pll_rates),
 213        [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK3288_PLL_CON(12),
 214                     RK3288_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3288_pll_rates),
 215        [npll] = PLL(pll_rk3066, PLL_NPLL, "npll",  mux_pll_p, 0, RK3288_PLL_CON(16),
 216                     RK3288_MODE_CON, 14, 9, ROCKCHIP_PLL_SYNC_RATE, rk3288_pll_rates),
 217};
 218
 219static struct clk_div_table div_hclk_cpu_t[] = {
 220        { .val = 0, .div = 1 },
 221        { .val = 1, .div = 2 },
 222        { .val = 3, .div = 4 },
 223        { /* sentinel */},
 224};
 225
 226#define MFLAGS CLK_MUX_HIWORD_MASK
 227#define DFLAGS CLK_DIVIDER_HIWORD_MASK
 228#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
 229#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
 230
 231static struct rockchip_clk_branch rk3288_i2s_fracmux __initdata =
 232        MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT,
 233                        RK3288_CLKSEL_CON(4), 8, 2, MFLAGS);
 234
 235static struct rockchip_clk_branch rk3288_spdif_fracmux __initdata =
 236        MUX(0, "spdif_mux", mux_spdif_p, CLK_SET_RATE_PARENT,
 237                        RK3288_CLKSEL_CON(5), 8, 2, MFLAGS);
 238
 239static struct rockchip_clk_branch rk3288_spdif_8ch_fracmux __initdata =
 240        MUX(0, "spdif_8ch_mux", mux_spdif_8ch_p, CLK_SET_RATE_PARENT,
 241                        RK3288_CLKSEL_CON(40), 8, 2, MFLAGS);
 242
 243static struct rockchip_clk_branch rk3288_uart0_fracmux __initdata =
 244        MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
 245                        RK3288_CLKSEL_CON(13), 8, 2, MFLAGS);
 246
 247static struct rockchip_clk_branch rk3288_uart1_fracmux __initdata =
 248        MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
 249                        RK3288_CLKSEL_CON(14), 8, 2, MFLAGS);
 250
 251static struct rockchip_clk_branch rk3288_uart2_fracmux __initdata =
 252        MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
 253                        RK3288_CLKSEL_CON(15), 8, 2, MFLAGS);
 254
 255static struct rockchip_clk_branch rk3288_uart3_fracmux __initdata =
 256        MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT,
 257                        RK3288_CLKSEL_CON(16), 8, 2, MFLAGS);
 258
 259static struct rockchip_clk_branch rk3288_uart4_fracmux __initdata =
 260        MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT,
 261                        RK3288_CLKSEL_CON(3), 8, 2, MFLAGS);
 262
 263static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
 264        /*
 265         * Clock-Architecture Diagram 1
 266         */
 267
 268        GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
 269                        RK3288_CLKGATE_CON(0), 1, GFLAGS),
 270        GATE(0, "gpll_core", "gpll", CLK_IGNORE_UNUSED,
 271                        RK3288_CLKGATE_CON(0), 2, GFLAGS),
 272
 273        COMPOSITE_NOMUX(0, "armcore0", "armclk", CLK_IGNORE_UNUSED,
 274                        RK3288_CLKSEL_CON(36), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 275                        RK3288_CLKGATE_CON(12), 0, GFLAGS),
 276        COMPOSITE_NOMUX(0, "armcore1", "armclk", CLK_IGNORE_UNUSED,
 277                        RK3288_CLKSEL_CON(36), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 278                        RK3288_CLKGATE_CON(12), 1, GFLAGS),
 279        COMPOSITE_NOMUX(0, "armcore2", "armclk", CLK_IGNORE_UNUSED,
 280                        RK3288_CLKSEL_CON(36), 8, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 281                        RK3288_CLKGATE_CON(12), 2, GFLAGS),
 282        COMPOSITE_NOMUX(0, "armcore3", "armclk", CLK_IGNORE_UNUSED,
 283                        RK3288_CLKSEL_CON(36), 12, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 284                        RK3288_CLKGATE_CON(12), 3, GFLAGS),
 285        COMPOSITE_NOMUX(0, "l2ram", "armclk", CLK_IGNORE_UNUSED,
 286                        RK3288_CLKSEL_CON(37), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 287                        RK3288_CLKGATE_CON(12), 4, GFLAGS),
 288        COMPOSITE_NOMUX(0, "aclk_core_m0", "armclk", CLK_IGNORE_UNUSED,
 289                        RK3288_CLKSEL_CON(0), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
 290                        RK3288_CLKGATE_CON(12), 5, GFLAGS),
 291        COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", CLK_IGNORE_UNUSED,
 292                        RK3288_CLKSEL_CON(0), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
 293                        RK3288_CLKGATE_CON(12), 6, GFLAGS),
 294        COMPOSITE_NOMUX(0, "atclk", "armclk", 0,
 295                        RK3288_CLKSEL_CON(37), 4, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
 296                        RK3288_CLKGATE_CON(12), 7, GFLAGS),
 297        COMPOSITE_NOMUX(0, "pclk_dbg_pre", "armclk", CLK_IGNORE_UNUSED,
 298                        RK3288_CLKSEL_CON(37), 9, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
 299                        RK3288_CLKGATE_CON(12), 8, GFLAGS),
 300        GATE(0, "pclk_dbg", "pclk_dbg_pre", 0,
 301                        RK3288_CLKGATE_CON(12), 9, GFLAGS),
 302        GATE(0, "cs_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED,
 303                        RK3288_CLKGATE_CON(12), 10, GFLAGS),
 304        GATE(0, "pclk_core_niu", "pclk_dbg_pre", 0,
 305                        RK3288_CLKGATE_CON(12), 11, GFLAGS),
 306
 307        GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
 308                        RK3288_CLKGATE_CON(0), 8, GFLAGS),
 309        GATE(0, "gpll_ddr", "gpll", 0,
 310                        RK3288_CLKGATE_CON(0), 9, GFLAGS),
 311        COMPOSITE_NOGATE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
 312                        RK3288_CLKSEL_CON(26), 2, 1, MFLAGS, 0, 2,
 313                                        DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
 314
 315        GATE(0, "gpll_aclk_cpu", "gpll", CLK_IGNORE_UNUSED,
 316                        RK3288_CLKGATE_CON(0), 10, GFLAGS),
 317        GATE(0, "cpll_aclk_cpu", "cpll", CLK_IGNORE_UNUSED,
 318                        RK3288_CLKGATE_CON(0), 11, GFLAGS),
 319        COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, CLK_IGNORE_UNUSED,
 320                        RK3288_CLKSEL_CON(1), 15, 1, MFLAGS, 3, 5, DFLAGS),
 321        DIV(0, "aclk_cpu_pre", "aclk_cpu_src", CLK_SET_RATE_PARENT,
 322                        RK3288_CLKSEL_CON(1), 0, 3, DFLAGS),
 323        GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
 324                        RK3288_CLKGATE_CON(0), 3, GFLAGS),
 325        COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
 326                        RK3288_CLKSEL_CON(1), 12, 3, DFLAGS,
 327                        RK3288_CLKGATE_CON(0), 5, GFLAGS),
 328        COMPOSITE_NOMUX_DIVTBL(HCLK_CPU, "hclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
 329                        RK3288_CLKSEL_CON(1), 8, 2, DFLAGS, div_hclk_cpu_t,
 330                        RK3288_CLKGATE_CON(0), 4, GFLAGS),
 331        GATE(0, "c2c_host", "aclk_cpu_src", 0,
 332                        RK3288_CLKGATE_CON(13), 8, GFLAGS),
 333        COMPOSITE_NOMUX(SCLK_CRYPTO, "crypto", "aclk_cpu_pre", 0,
 334                        RK3288_CLKSEL_CON(26), 6, 2, DFLAGS,
 335                        RK3288_CLKGATE_CON(5), 4, GFLAGS),
 336        GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
 337                        RK3288_CLKGATE_CON(0), 7, GFLAGS),
 338
 339        FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
 340
 341        COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0,
 342                        RK3288_CLKSEL_CON(4), 15, 1, MFLAGS, 0, 7, DFLAGS,
 343                        RK3288_CLKGATE_CON(4), 1, GFLAGS),
 344        COMPOSITE_FRACMUX(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT,
 345                        RK3288_CLKSEL_CON(8), 0,
 346                        RK3288_CLKGATE_CON(4), 2, GFLAGS,
 347                        &rk3288_i2s_fracmux),
 348        COMPOSITE_NODIV(SCLK_I2S0_OUT, "i2s0_clkout", mux_i2s_clkout_p, 0,
 349                        RK3288_CLKSEL_CON(4), 12, 1, MFLAGS,
 350                        RK3288_CLKGATE_CON(4), 0, GFLAGS),
 351        GATE(SCLK_I2S0, "sclk_i2s0", "i2s_pre", CLK_SET_RATE_PARENT,
 352                        RK3288_CLKGATE_CON(4), 3, GFLAGS),
 353
 354        MUX(0, "spdif_src", mux_pll_src_cpll_gpll_p, 0,
 355                        RK3288_CLKSEL_CON(5), 15, 1, MFLAGS),
 356        COMPOSITE_NOMUX(0, "spdif_pre", "spdif_src", CLK_SET_RATE_PARENT,
 357                        RK3288_CLKSEL_CON(5), 0, 7, DFLAGS,
 358                        RK3288_CLKGATE_CON(4), 4, GFLAGS),
 359        COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_src", CLK_SET_RATE_PARENT,
 360                        RK3288_CLKSEL_CON(9), 0,
 361                        RK3288_CLKGATE_CON(4), 5, GFLAGS,
 362                        &rk3288_spdif_fracmux),
 363        GATE(SCLK_SPDIF, "sclk_spdif", "spdif_mux", CLK_SET_RATE_PARENT,
 364                        RK3288_CLKGATE_CON(4), 6, GFLAGS),
 365        COMPOSITE_NOMUX(0, "spdif_8ch_pre", "spdif_src", CLK_SET_RATE_PARENT,
 366                        RK3288_CLKSEL_CON(40), 0, 7, DFLAGS,
 367                        RK3288_CLKGATE_CON(4), 7, GFLAGS),
 368        COMPOSITE_FRACMUX(0, "spdif_8ch_frac", "spdif_8ch_pre", CLK_SET_RATE_PARENT,
 369                        RK3288_CLKSEL_CON(41), 0,
 370                        RK3288_CLKGATE_CON(4), 8, GFLAGS,
 371                        &rk3288_spdif_8ch_fracmux),
 372        GATE(SCLK_SPDIF8CH, "sclk_spdif_8ch", "spdif_8ch_mux", CLK_SET_RATE_PARENT,
 373                        RK3288_CLKGATE_CON(4), 9, GFLAGS),
 374
 375        GATE(0, "sclk_acc_efuse", "xin24m", 0,
 376                        RK3288_CLKGATE_CON(0), 12, GFLAGS),
 377
 378        GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
 379                        RK3288_CLKGATE_CON(1), 0, GFLAGS),
 380        GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0,
 381                        RK3288_CLKGATE_CON(1), 1, GFLAGS),
 382        GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0,
 383                        RK3288_CLKGATE_CON(1), 2, GFLAGS),
 384        GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0,
 385                        RK3288_CLKGATE_CON(1), 3, GFLAGS),
 386        GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0,
 387                        RK3288_CLKGATE_CON(1), 4, GFLAGS),
 388        GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0,
 389                        RK3288_CLKGATE_CON(1), 5, GFLAGS),
 390
 391        /*
 392         * Clock-Architecture Diagram 2
 393         */
 394
 395        COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_usb480m_p, 0,
 396                        RK3288_CLKSEL_CON(32), 6, 2, MFLAGS, 0, 5, DFLAGS,
 397                        RK3288_CLKGATE_CON(3), 9, GFLAGS),
 398        COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb480m_p, 0,
 399                        RK3288_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS,
 400                        RK3288_CLKGATE_CON(3), 11, GFLAGS),
 401        /*
 402         * We use aclk_vdpu by default GRF_SOC_CON0[7] setting in system,
 403         * so we ignore the mux and make clocks nodes as following,
 404         */
 405        GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vdpu", 0,
 406                RK3288_CLKGATE_CON(9), 0, GFLAGS),
 407
 408        FACTOR_GATE(0, "hclk_vcodec_pre", "aclk_vdpu", 0, 1, 4,
 409                RK3288_CLKGATE_CON(3), 10, GFLAGS),
 410
 411        GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0,
 412                RK3288_CLKGATE_CON(9), 1, GFLAGS),
 413
 414        COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
 415                        RK3288_CLKSEL_CON(31), 6, 2, MFLAGS, 0, 5, DFLAGS,
 416                        RK3288_CLKGATE_CON(3), 0, GFLAGS),
 417        DIV(0, "hclk_vio", "aclk_vio0", 0,
 418                        RK3288_CLKSEL_CON(28), 8, 5, DFLAGS),
 419        COMPOSITE(0, "aclk_vio1", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
 420                        RK3288_CLKSEL_CON(31), 14, 2, MFLAGS, 8, 5, DFLAGS,
 421                        RK3288_CLKGATE_CON(3), 2, GFLAGS),
 422
 423        COMPOSITE(0, "aclk_rga_pre", mux_pll_src_cpll_gpll_usb480m_p, 0,
 424                        RK3288_CLKSEL_CON(30), 6, 2, MFLAGS, 0, 5, DFLAGS,
 425                        RK3288_CLKGATE_CON(3), 5, GFLAGS),
 426        COMPOSITE(SCLK_RGA, "sclk_rga", mux_pll_src_cpll_gpll_usb480m_p, 0,
 427                        RK3288_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
 428                        RK3288_CLKGATE_CON(3), 4, GFLAGS),
 429
 430        COMPOSITE(DCLK_VOP0, "dclk_vop0", mux_pll_src_cpll_gpll_npll_p, 0,
 431                        RK3288_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS,
 432                        RK3288_CLKGATE_CON(3), 1, GFLAGS),
 433        COMPOSITE(DCLK_VOP1, "dclk_vop1", mux_pll_src_cpll_gpll_npll_p, 0,
 434                        RK3288_CLKSEL_CON(29), 6, 2, MFLAGS, 8, 8, DFLAGS,
 435                        RK3288_CLKGATE_CON(3), 3, GFLAGS),
 436
 437        COMPOSITE_NODIV(SCLK_EDP_24M, "sclk_edp_24m", mux_edp_24m_p, 0,
 438                        RK3288_CLKSEL_CON(28), 15, 1, MFLAGS,
 439                        RK3288_CLKGATE_CON(3), 12, GFLAGS),
 440        COMPOSITE(SCLK_EDP, "sclk_edp", mux_pll_src_cpll_gpll_npll_p, 0,
 441                        RK3288_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 6, DFLAGS,
 442                        RK3288_CLKGATE_CON(3), 13, GFLAGS),
 443
 444        COMPOSITE(SCLK_ISP, "sclk_isp", mux_pll_src_cpll_gpll_npll_p, 0,
 445                        RK3288_CLKSEL_CON(6), 6, 2, MFLAGS, 0, 6, DFLAGS,
 446                        RK3288_CLKGATE_CON(3), 14, GFLAGS),
 447        COMPOSITE(SCLK_ISP_JPE, "sclk_isp_jpe", mux_pll_src_cpll_gpll_npll_p, 0,
 448                        RK3288_CLKSEL_CON(6), 14, 2, MFLAGS, 8, 6, DFLAGS,
 449                        RK3288_CLKGATE_CON(3), 15, GFLAGS),
 450
 451        GATE(SCLK_HDMI_HDCP, "sclk_hdmi_hdcp", "xin24m", 0,
 452                        RK3288_CLKGATE_CON(5), 12, GFLAGS),
 453        GATE(SCLK_HDMI_CEC, "sclk_hdmi_cec", "xin32k", 0,
 454                        RK3288_CLKGATE_CON(5), 11, GFLAGS),
 455
 456        COMPOSITE(ACLK_HEVC, "aclk_hevc", mux_pll_src_cpll_gpll_npll_p, 0,
 457                        RK3288_CLKSEL_CON(39), 14, 2, MFLAGS, 8, 5, DFLAGS,
 458                        RK3288_CLKGATE_CON(13), 13, GFLAGS),
 459        DIV(HCLK_HEVC, "hclk_hevc", "aclk_hevc", 0,
 460                        RK3288_CLKSEL_CON(40), 12, 2, DFLAGS),
 461
 462        COMPOSITE(SCLK_HEVC_CABAC, "sclk_hevc_cabac", mux_pll_src_cpll_gpll_npll_p, 0,
 463                        RK3288_CLKSEL_CON(42), 6, 2, MFLAGS, 0, 5, DFLAGS,
 464                        RK3288_CLKGATE_CON(13), 14, GFLAGS),
 465        COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_cpll_gpll_npll_p, 0,
 466                        RK3288_CLKSEL_CON(42), 14, 2, MFLAGS, 8, 5, DFLAGS,
 467                        RK3288_CLKGATE_CON(13), 15, GFLAGS),
 468
 469        COMPOSITE_NODIV(0, "vip_src", mux_pll_src_cpll_gpll_p, 0,
 470                        RK3288_CLKSEL_CON(26), 8, 1, MFLAGS,
 471                        RK3288_CLKGATE_CON(3), 7, GFLAGS),
 472        COMPOSITE_NOGATE(0, "sclk_vip_out", mux_vip_out_p, 0,
 473                        RK3288_CLKSEL_CON(26), 15, 1, MFLAGS, 9, 5, DFLAGS),
 474
 475        DIV(0, "pclk_pd_alive", "gpll", 0,
 476                        RK3288_CLKSEL_CON(33), 8, 5, DFLAGS),
 477        COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", CLK_IGNORE_UNUSED,
 478                        RK3288_CLKSEL_CON(33), 0, 5, DFLAGS,
 479                        RK3288_CLKGATE_CON(5), 8, GFLAGS),
 480
 481        COMPOSITE(SCLK_GPU, "sclk_gpu", mux_pll_src_cpll_gll_usb_npll_p, 0,
 482                        RK3288_CLKSEL_CON(34), 6, 2, MFLAGS, 0, 5, DFLAGS,
 483                        RK3288_CLKGATE_CON(5), 7, GFLAGS),
 484
 485        COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
 486                        RK3288_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
 487                        RK3288_CLKGATE_CON(2), 0, GFLAGS),
 488        COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
 489                        RK3288_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 490                        RK3288_CLKGATE_CON(2), 3, GFLAGS),
 491        COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
 492                        RK3288_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 493                        RK3288_CLKGATE_CON(2), 2, GFLAGS),
 494        GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
 495                        RK3288_CLKGATE_CON(2), 1, GFLAGS),
 496
 497        /*
 498         * Clock-Architecture Diagram 3
 499         */
 500
 501        COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_cpll_gpll_p, 0,
 502                        RK3288_CLKSEL_CON(25), 7, 1, MFLAGS, 0, 7, DFLAGS,
 503                        RK3288_CLKGATE_CON(2), 9, GFLAGS),
 504        COMPOSITE(SCLK_SPI1, "sclk_spi1", mux_pll_src_cpll_gpll_p, 0,
 505                        RK3288_CLKSEL_CON(25), 15, 1, MFLAGS, 8, 7, DFLAGS,
 506                        RK3288_CLKGATE_CON(2), 10, GFLAGS),
 507        COMPOSITE(SCLK_SPI2, "sclk_spi2", mux_pll_src_cpll_gpll_p, 0,
 508                        RK3288_CLKSEL_CON(39), 7, 1, MFLAGS, 0, 7, DFLAGS,
 509                        RK3288_CLKGATE_CON(2), 11, GFLAGS),
 510
 511        COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0,
 512                        RK3288_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS,
 513                        RK3288_CLKGATE_CON(13), 0, GFLAGS),
 514        COMPOSITE(SCLK_SDIO0, "sclk_sdio0", mux_mmc_src_p, 0,
 515                        RK3288_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS,
 516                        RK3288_CLKGATE_CON(13), 1, GFLAGS),
 517        COMPOSITE(SCLK_SDIO1, "sclk_sdio1", mux_mmc_src_p, 0,
 518                        RK3288_CLKSEL_CON(34), 14, 2, MFLAGS, 8, 6, DFLAGS,
 519                        RK3288_CLKGATE_CON(13), 2, GFLAGS),
 520        COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
 521                        RK3288_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS,
 522                        RK3288_CLKGATE_CON(13), 3, GFLAGS),
 523
 524        MMC(SCLK_SDMMC_DRV,    "sdmmc_drv",    "sclk_sdmmc", RK3288_SDMMC_CON0, 1),
 525        MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3288_SDMMC_CON1, 0),
 526
 527        MMC(SCLK_SDIO0_DRV,    "sdio0_drv",    "sclk_sdio0", RK3288_SDIO0_CON0, 1),
 528        MMC(SCLK_SDIO0_SAMPLE, "sdio0_sample", "sclk_sdio0", RK3288_SDIO0_CON1, 0),
 529
 530        MMC(SCLK_SDIO1_DRV,    "sdio1_drv",    "sclk_sdio1", RK3288_SDIO1_CON0, 1),
 531        MMC(SCLK_SDIO1_SAMPLE, "sdio1_sample", "sclk_sdio1", RK3288_SDIO1_CON1, 0),
 532
 533        MMC(SCLK_EMMC_DRV,     "emmc_drv",     "sclk_emmc",  RK3288_EMMC_CON0,  1),
 534        MMC(SCLK_EMMC_SAMPLE,  "emmc_sample",  "sclk_emmc",  RK3288_EMMC_CON1,  0),
 535
 536        COMPOSITE(0, "sclk_tspout", mux_tspout_p, 0,
 537                        RK3288_CLKSEL_CON(35), 14, 2, MFLAGS, 8, 5, DFLAGS,
 538                        RK3288_CLKGATE_CON(4), 11, GFLAGS),
 539        COMPOSITE(0, "sclk_tsp", mux_pll_src_cpll_gpll_npll_p, 0,
 540                        RK3288_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS,
 541                        RK3288_CLKGATE_CON(4), 10, GFLAGS),
 542
 543        GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
 544                        RK3288_CLKGATE_CON(13), 4, GFLAGS),
 545        GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
 546                        RK3288_CLKGATE_CON(13), 5, GFLAGS),
 547        GATE(SCLK_OTGPHY2, "sclk_otgphy2", "xin24m", CLK_IGNORE_UNUSED,
 548                        RK3288_CLKGATE_CON(13), 6, GFLAGS),
 549        GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", CLK_IGNORE_UNUSED,
 550                        RK3288_CLKGATE_CON(13), 7, GFLAGS),
 551
 552        COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin32k", 0,
 553                        RK3288_CLKSEL_CON(2), 0, 6, DFLAGS,
 554                        RK3288_CLKGATE_CON(2), 7, GFLAGS),
 555
 556        COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
 557                        RK3288_CLKSEL_CON(24), 8, 8, DFLAGS,
 558                        RK3288_CLKGATE_CON(2), 8, GFLAGS),
 559
 560        GATE(SCLK_PS2C, "sclk_ps2c", "xin24m", 0,
 561                        RK3288_CLKGATE_CON(5), 13, GFLAGS),
 562
 563        COMPOSITE(SCLK_NANDC0, "sclk_nandc0", mux_pll_src_cpll_gpll_p, 0,
 564                        RK3288_CLKSEL_CON(38), 7, 1, MFLAGS, 0, 5, DFLAGS,
 565                        RK3288_CLKGATE_CON(5), 5, GFLAGS),
 566        COMPOSITE(SCLK_NANDC1, "sclk_nandc1", mux_pll_src_cpll_gpll_p, 0,
 567                        RK3288_CLKSEL_CON(38), 15, 1, MFLAGS, 8, 5, DFLAGS,
 568                        RK3288_CLKGATE_CON(5), 6, GFLAGS),
 569
 570        COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gll_usb_npll_p, 0,
 571                        RK3288_CLKSEL_CON(13), 13, 2, MFLAGS, 0, 7, DFLAGS,
 572                        RK3288_CLKGATE_CON(1), 8, GFLAGS),
 573        COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
 574                        RK3288_CLKSEL_CON(17), 0,
 575                        RK3288_CLKGATE_CON(1), 9, GFLAGS,
 576                        &rk3288_uart0_fracmux),
 577        MUX(0, "uart_src", mux_pll_src_cpll_gpll_p, 0,
 578                        RK3288_CLKSEL_CON(13), 15, 1, MFLAGS),
 579        COMPOSITE_NOMUX(0, "uart1_src", "uart_src", 0,
 580                        RK3288_CLKSEL_CON(14), 0, 7, DFLAGS,
 581                        RK3288_CLKGATE_CON(1), 10, GFLAGS),
 582        COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
 583                        RK3288_CLKSEL_CON(18), 0,
 584                        RK3288_CLKGATE_CON(1), 11, GFLAGS,
 585                        &rk3288_uart1_fracmux),
 586        COMPOSITE_NOMUX(0, "uart2_src", "uart_src", 0,
 587                        RK3288_CLKSEL_CON(15), 0, 7, DFLAGS,
 588                        RK3288_CLKGATE_CON(1), 12, GFLAGS),
 589        COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
 590                        RK3288_CLKSEL_CON(19), 0,
 591                        RK3288_CLKGATE_CON(1), 13, GFLAGS,
 592                        &rk3288_uart2_fracmux),
 593        COMPOSITE_NOMUX(0, "uart3_src", "uart_src", 0,
 594                        RK3288_CLKSEL_CON(16), 0, 7, DFLAGS,
 595                        RK3288_CLKGATE_CON(1), 14, GFLAGS),
 596        COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT,
 597                        RK3288_CLKSEL_CON(20), 0,
 598                        RK3288_CLKGATE_CON(1), 15, GFLAGS,
 599                        &rk3288_uart3_fracmux),
 600        COMPOSITE_NOMUX(0, "uart4_src", "uart_src", 0,
 601                        RK3288_CLKSEL_CON(3), 0, 7, DFLAGS,
 602                        RK3288_CLKGATE_CON(2), 12, GFLAGS),
 603        COMPOSITE_FRACMUX(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT,
 604                        RK3288_CLKSEL_CON(7), 0,
 605                        RK3288_CLKGATE_CON(2), 13, GFLAGS,
 606                        &rk3288_uart4_fracmux),
 607
 608        COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0,
 609                        RK3288_CLKSEL_CON(21), 0, 2, MFLAGS, 8, 5, DFLAGS,
 610                        RK3288_CLKGATE_CON(2), 5, GFLAGS),
 611        MUX(SCLK_MAC, "mac_clk", mux_mac_p, CLK_SET_RATE_PARENT,
 612                        RK3288_CLKSEL_CON(21), 4, 1, MFLAGS),
 613        GATE(SCLK_MACREF_OUT, "sclk_macref_out", "mac_clk", 0,
 614                        RK3288_CLKGATE_CON(5), 3, GFLAGS),
 615        GATE(SCLK_MACREF, "sclk_macref", "mac_clk", 0,
 616                        RK3288_CLKGATE_CON(5), 2, GFLAGS),
 617        GATE(SCLK_MAC_RX, "sclk_mac_rx", "mac_clk", 0,
 618                        RK3288_CLKGATE_CON(5), 0, GFLAGS),
 619        GATE(SCLK_MAC_TX, "sclk_mac_tx", "mac_clk", 0,
 620                        RK3288_CLKGATE_CON(5), 1, GFLAGS),
 621
 622        COMPOSITE(0, "hsadc_src", mux_pll_src_cpll_gpll_p, 0,
 623                        RK3288_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
 624                        RK3288_CLKGATE_CON(2), 6, GFLAGS),
 625        MUX(0, "sclk_hsadc_out", mux_hsadcout_p, 0,
 626                        RK3288_CLKSEL_CON(22), 4, 1, MFLAGS),
 627        INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
 628                        RK3288_CLKSEL_CON(22), 7, IFLAGS),
 629
 630        GATE(0, "jtag", "ext_jtag", 0,
 631                        RK3288_CLKGATE_CON(4), 14, GFLAGS),
 632
 633        COMPOSITE_NODIV(SCLK_USBPHY480M_SRC, "usbphy480m_src", mux_usbphy480m_p, 0,
 634                        RK3288_CLKSEL_CON(13), 11, 2, MFLAGS,
 635                        RK3288_CLKGATE_CON(5), 14, GFLAGS),
 636        COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0,
 637                        RK3288_CLKSEL_CON(29), 0, 2, MFLAGS,
 638                        RK3288_CLKGATE_CON(3), 6, GFLAGS),
 639        GATE(0, "hsicphy12m_xin12m", "xin12m", 0,
 640                        RK3288_CLKGATE_CON(13), 9, GFLAGS),
 641        DIV(0, "hsicphy12m_usbphy", "sclk_hsicphy480m", 0,
 642                        RK3288_CLKSEL_CON(11), 8, 6, DFLAGS),
 643        MUX(SCLK_HSICPHY12M, "sclk_hsicphy12m", mux_hsicphy12m_p, 0,
 644                        RK3288_CLKSEL_CON(22), 4, 1, MFLAGS),
 645
 646        /*
 647         * Clock-Architecture Diagram 4
 648         */
 649
 650        /* aclk_cpu gates */
 651        GATE(0, "sclk_intmem0", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 5, GFLAGS),
 652        GATE(0, "sclk_intmem1", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 6, GFLAGS),
 653        GATE(0, "sclk_intmem2", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 7, GFLAGS),
 654        GATE(ACLK_DMAC1, "aclk_dmac1", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 12, GFLAGS),
 655        GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 13, GFLAGS),
 656        GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 4, GFLAGS),
 657        GATE(ACLK_CRYPTO, "aclk_crypto", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 6, GFLAGS),
 658        GATE(0, "aclk_ccp", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 8, GFLAGS),
 659
 660        /* hclk_cpu gates */
 661        GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK3288_CLKGATE_CON(11), 7, GFLAGS),
 662        GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 8, GFLAGS),
 663        GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 9, GFLAGS),
 664        GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 10, GFLAGS),
 665        GATE(HCLK_SPDIF8CH, "hclk_spdif_8ch", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 11, GFLAGS),
 666
 667        /* pclk_cpu gates */
 668        GATE(PCLK_PWM, "pclk_pwm", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 0, GFLAGS),
 669        GATE(PCLK_TIMER, "pclk_timer", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 1, GFLAGS),
 670        GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 2, GFLAGS),
 671        GATE(PCLK_I2C2, "pclk_i2c2", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 3, GFLAGS),
 672        GATE(PCLK_DDRUPCTL0, "pclk_ddrupctl0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 14, GFLAGS),
 673        GATE(PCLK_PUBL0, "pclk_publ0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 15, GFLAGS),
 674        GATE(PCLK_DDRUPCTL1, "pclk_ddrupctl1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 0, GFLAGS),
 675        GATE(PCLK_PUBL1, "pclk_publ1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 1, GFLAGS),
 676        GATE(PCLK_EFUSE1024, "pclk_efuse_1024", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 2, GFLAGS),
 677        GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS),
 678        GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS),
 679        GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS),
 680        GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS),
 681
 682        /* ddrctrl [DDR Controller PHY clock] gates */
 683        GATE(0, "nclk_ddrupctl0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 4, GFLAGS),
 684        GATE(0, "nclk_ddrupctl1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 5, GFLAGS),
 685
 686        /* ddrphy gates */
 687        GATE(0, "sclk_ddrphy0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 12, GFLAGS),
 688        GATE(0, "sclk_ddrphy1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 13, GFLAGS),
 689
 690        /* aclk_peri gates */
 691        GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 2, GFLAGS),
 692        GATE(ACLK_DMAC2, "aclk_dmac2", "aclk_peri", 0, RK3288_CLKGATE_CON(6), 3, GFLAGS),
 693        GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 11, GFLAGS),
 694        GATE(ACLK_MMU, "aclk_mmu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(8), 12, GFLAGS),
 695        GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 0, GFLAGS),
 696        GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 2, GFLAGS),
 697
 698        /* hclk_peri gates */
 699        GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 0, GFLAGS),
 700        GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 4, GFLAGS),
 701        GATE(HCLK_USBHOST0, "hclk_host0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 6, GFLAGS),
 702        GATE(HCLK_USBHOST1, "hclk_host1", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 7, GFLAGS),
 703        GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS),
 704        GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 9, GFLAGS),
 705        GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 10, GFLAGS),
 706        GATE(0, "hclk_emem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 12, GFLAGS),
 707        GATE(0, "hclk_mem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 13, GFLAGS),
 708        GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 14, GFLAGS),
 709        GATE(HCLK_NANDC1, "hclk_nandc1", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 15, GFLAGS),
 710        GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 8, GFLAGS),
 711        GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 3, GFLAGS),
 712        GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 4, GFLAGS),
 713        GATE(HCLK_SDIO1, "hclk_sdio1", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 5, GFLAGS),
 714        GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 6, GFLAGS),
 715        GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 7, GFLAGS),
 716        GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 5, GFLAGS),
 717
 718        /* pclk_peri gates */
 719        GATE(0, "pclk_peri_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 1, GFLAGS),
 720        GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 4, GFLAGS),
 721        GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 5, GFLAGS),
 722        GATE(PCLK_SPI2, "pclk_spi2", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 6, GFLAGS),
 723        GATE(PCLK_PS2C, "pclk_ps2c", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 7, GFLAGS),
 724        GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 8, GFLAGS),
 725        GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 9, GFLAGS),
 726        GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 15, GFLAGS),
 727        GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 11, GFLAGS),
 728        GATE(PCLK_UART4, "pclk_uart4", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 12, GFLAGS),
 729        GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 13, GFLAGS),
 730        GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 14, GFLAGS),
 731        GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 1, GFLAGS),
 732        GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 2, GFLAGS),
 733        GATE(PCLK_SIM, "pclk_sim", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 3, GFLAGS),
 734        GATE(PCLK_I2C5, "pclk_i2c5", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 0, GFLAGS),
 735        GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK3288_CLKGATE_CON(8), 1, GFLAGS),
 736
 737        GATE(SCLK_LCDC_PWM0, "sclk_lcdc_pwm0", "xin24m", 0, RK3288_CLKGATE_CON(13), 10, GFLAGS),
 738        GATE(SCLK_LCDC_PWM1, "sclk_lcdc_pwm1", "xin24m", 0, RK3288_CLKGATE_CON(13), 11, GFLAGS),
 739        GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK3288_CLKGATE_CON(5), 9, GFLAGS),
 740        GATE(SCLK_PVTM_GPU, "sclk_pvtm_gpu", "xin24m", 0, RK3288_CLKGATE_CON(5), 10, GFLAGS),
 741        GATE(SCLK_MIPIDSI_24M, "sclk_mipidsi_24m", "xin24m", 0, RK3288_CLKGATE_CON(5), 15, GFLAGS),
 742
 743        /* sclk_gpu gates */
 744        GATE(ACLK_GPU, "aclk_gpu", "sclk_gpu", 0, RK3288_CLKGATE_CON(18), 0, GFLAGS),
 745
 746        /* pclk_pd_alive gates */
 747        GATE(PCLK_GPIO8, "pclk_gpio8", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 8, GFLAGS),
 748        GATE(PCLK_GPIO7, "pclk_gpio7", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 7, GFLAGS),
 749        GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 1, GFLAGS),
 750        GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 2, GFLAGS),
 751        GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 3, GFLAGS),
 752        GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 4, GFLAGS),
 753        GATE(PCLK_GPIO5, "pclk_gpio5", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 5, GFLAGS),
 754        GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 6, GFLAGS),
 755        GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 11, GFLAGS),
 756        GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 12, GFLAGS),
 757
 758        /* pclk_pd_pmu gates */
 759        GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 0, GFLAGS),
 760        GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 1, GFLAGS),
 761        GATE(0, "pclk_pmu_niu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 2, GFLAGS),
 762        GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 3, GFLAGS),
 763        GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 4, GFLAGS),
 764
 765        /* hclk_vio gates */
 766        GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 1, GFLAGS),
 767        GATE(HCLK_VOP0, "hclk_vop0", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 6, GFLAGS),
 768        GATE(HCLK_VOP1, "hclk_vop1", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 8, GFLAGS),
 769        GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 9, GFLAGS),
 770        GATE(HCLK_VIO_NIU, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 10, GFLAGS),
 771        GATE(HCLK_VIP, "hclk_vip", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 15, GFLAGS),
 772        GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 3, GFLAGS),
 773        GATE(HCLK_ISP, "hclk_isp", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 1, GFLAGS),
 774        GATE(HCLK_VIO2_H2P, "hclk_vio2_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 10, GFLAGS),
 775        GATE(PCLK_MIPI_DSI0, "pclk_mipi_dsi0", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 4, GFLAGS),
 776        GATE(PCLK_MIPI_DSI1, "pclk_mipi_dsi1", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 5, GFLAGS),
 777        GATE(PCLK_MIPI_CSI, "pclk_mipi_csi", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 6, GFLAGS),
 778        GATE(PCLK_LVDS_PHY, "pclk_lvds_phy", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 7, GFLAGS),
 779        GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 8, GFLAGS),
 780        GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 9, GFLAGS),
 781        GATE(PCLK_VIO2_H2P, "pclk_vio2_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 11, GFLAGS),
 782
 783        /* aclk_vio0 gates */
 784        GATE(ACLK_VOP0, "aclk_vop0", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 5, GFLAGS),
 785        GATE(ACLK_IEP, "aclk_iep", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 2, GFLAGS),
 786        GATE(ACLK_VIO0_NIU, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 11, GFLAGS),
 787        GATE(ACLK_VIP, "aclk_vip", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 14, GFLAGS),
 788
 789        /* aclk_vio1 gates */
 790        GATE(ACLK_VOP1, "aclk_vop1", "aclk_vio1", 0, RK3288_CLKGATE_CON(15), 7, GFLAGS),
 791        GATE(ACLK_ISP, "aclk_isp", "aclk_vio1", 0, RK3288_CLKGATE_CON(16), 2, GFLAGS),
 792        GATE(ACLK_VIO1_NIU, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 12, GFLAGS),
 793
 794        /* aclk_rga_pre gates */
 795        GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, RK3288_CLKGATE_CON(15), 0, GFLAGS),
 796        GATE(ACLK_RGA_NIU, "aclk_rga_niu", "aclk_rga_pre", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 13, GFLAGS),
 797
 798        /*
 799         * Other ungrouped clocks.
 800         */
 801
 802        GATE(0, "pclk_vip_in", "ext_vip", 0, RK3288_CLKGATE_CON(16), 0, GFLAGS),
 803        INVERTER(0, "pclk_vip", "pclk_vip_in", RK3288_CLKSEL_CON(29), 4, IFLAGS),
 804        GATE(0, "pclk_isp_in", "ext_isp", 0, RK3288_CLKGATE_CON(16), 3, GFLAGS),
 805        INVERTER(0, "pclk_isp", "pclk_isp_in", RK3288_CLKSEL_CON(29), 3, IFLAGS),
 806};
 807
 808static const char *const rk3288_critical_clocks[] __initconst = {
 809        "aclk_cpu",
 810        "aclk_peri",
 811        "hclk_peri",
 812        "pclk_pd_pmu",
 813};
 814
 815static void __iomem *rk3288_cru_base;
 816
 817/*
 818 * Some CRU registers will be reset in maskrom when the system
 819 * wakes up from fastboot.
 820 * So save them before suspend, restore them after resume.
 821 */
 822static const int rk3288_saved_cru_reg_ids[] = {
 823        RK3288_MODE_CON,
 824        RK3288_CLKSEL_CON(0),
 825        RK3288_CLKSEL_CON(1),
 826        RK3288_CLKSEL_CON(10),
 827        RK3288_CLKSEL_CON(33),
 828        RK3288_CLKSEL_CON(37),
 829};
 830
 831static u32 rk3288_saved_cru_regs[ARRAY_SIZE(rk3288_saved_cru_reg_ids)];
 832
 833static int rk3288_clk_suspend(void)
 834{
 835        int i, reg_id;
 836
 837        for (i = 0; i < ARRAY_SIZE(rk3288_saved_cru_reg_ids); i++) {
 838                reg_id = rk3288_saved_cru_reg_ids[i];
 839
 840                rk3288_saved_cru_regs[i] =
 841                                readl_relaxed(rk3288_cru_base + reg_id);
 842        }
 843
 844        /*
 845         * Switch PLLs other than DPLL (for SDRAM) to slow mode to
 846         * avoid crashes on resume. The Mask ROM on the system will
 847         * put APLL, CPLL, and GPLL into slow mode at resume time
 848         * anyway (which is why we restore them), but we might not
 849         * even make it to the Mask ROM if this isn't done at suspend
 850         * time.
 851         *
 852         * NOTE: only APLL truly matters here, but we'll do them all.
 853         */
 854
 855        writel_relaxed(0xf3030000, rk3288_cru_base + RK3288_MODE_CON);
 856
 857        return 0;
 858}
 859
 860static void rk3288_clk_resume(void)
 861{
 862        int i, reg_id;
 863
 864        for (i = ARRAY_SIZE(rk3288_saved_cru_reg_ids) - 1; i >= 0; i--) {
 865                reg_id = rk3288_saved_cru_reg_ids[i];
 866
 867                writel_relaxed(rk3288_saved_cru_regs[i] | 0xffff0000,
 868                               rk3288_cru_base + reg_id);
 869        }
 870}
 871
 872static void rk3288_clk_shutdown(void)
 873{
 874        writel_relaxed(0xf3030000, rk3288_cru_base + RK3288_MODE_CON);
 875}
 876
 877static struct syscore_ops rk3288_clk_syscore_ops = {
 878        .suspend = rk3288_clk_suspend,
 879        .resume = rk3288_clk_resume,
 880};
 881
 882static void __init rk3288_clk_init(struct device_node *np)
 883{
 884        struct rockchip_clk_provider *ctx;
 885        struct clk *clk;
 886
 887        rk3288_cru_base = of_iomap(np, 0);
 888        if (!rk3288_cru_base) {
 889                pr_err("%s: could not map cru region\n", __func__);
 890                return;
 891        }
 892
 893        ctx = rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS);
 894        if (IS_ERR(ctx)) {
 895                pr_err("%s: rockchip clk init failed\n", __func__);
 896                iounmap(rk3288_cru_base);
 897                return;
 898        }
 899
 900        /* Watchdog pclk is controlled by RK3288_SGRF_SOC_CON0[1]. */
 901        clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1);
 902        if (IS_ERR(clk))
 903                pr_warn("%s: could not register clock pclk_wdt: %ld\n",
 904                        __func__, PTR_ERR(clk));
 905        else
 906                rockchip_clk_add_lookup(ctx, clk, PCLK_WDT);
 907
 908        rockchip_clk_register_plls(ctx, rk3288_pll_clks,
 909                                   ARRAY_SIZE(rk3288_pll_clks),
 910                                   RK3288_GRF_SOC_STATUS1);
 911        rockchip_clk_register_branches(ctx, rk3288_clk_branches,
 912                                  ARRAY_SIZE(rk3288_clk_branches));
 913        rockchip_clk_protect_critical(rk3288_critical_clocks,
 914                                      ARRAY_SIZE(rk3288_critical_clocks));
 915
 916        rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
 917                        mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 918                        &rk3288_cpuclk_data, rk3288_cpuclk_rates,
 919                        ARRAY_SIZE(rk3288_cpuclk_rates));
 920
 921        rockchip_register_softrst(np, 12,
 922                                  rk3288_cru_base + RK3288_SOFTRST_CON(0),
 923                                  ROCKCHIP_SOFTRST_HIWORD_MASK);
 924
 925        rockchip_register_restart_notifier(ctx, RK3288_GLB_SRST_FST,
 926                                           rk3288_clk_shutdown);
 927        register_syscore_ops(&rk3288_clk_syscore_ops);
 928
 929        rockchip_clk_of_add_provider(np, ctx);
 930}
 931CLK_OF_DECLARE(rk3288_cru, "rockchip,rk3288-cru", rk3288_clk_init);
 932