drivers/clk/mmp/clk-of-mmp2.c

   1 /*
   2  * mmp2 clock framework source file
   3  *
   4  * Copyright (C) 2012 Marvell
   5  * Chao Xie <xiechao.mail@gmail.com>
   6  * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk>
   7  *
   8  * This file is licensed under the terms of the GNU General Public
   9  * License version 2. This program is licensed "as is" without any
  10  * warranty of any kind, whether express or implied.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/kernel.h>
  15 #include <linux/spinlock.h>
  16 #include <linux/io.h>
  17 #include <linux/delay.h>
  18 #include <linux/err.h>
  19 #include <linux/of_address.h>
  20 #include <linux/clk.h>
  21
  22 #include <dt-bindings/clock/marvell,mmp2.h>
  23 #include <dt-bindings/power/marvell,mmp2.h>
  24
  25 #include "clk.h"
  26 #include "reset.h"
  27
  28 #define APBC_RTC        0x0
  29 #define APBC_TWSI0      0x4
  30 #define APBC_TWSI1      0x8
  31 #define APBC_TWSI2      0xc
  32 #define APBC_TWSI3      0x10
  33 #define APBC_TWSI4      0x7c
  34 #define APBC_TWSI5      0x80
  35 #define APBC_KPC        0x18
  36 #define APBC_TIMER      0x24
  37 #define APBC_UART0      0x2c
  38 #define APBC_UART1      0x30
  39 #define APBC_UART2      0x34
  40 #define APBC_UART3      0x88
  41 #define APBC_GPIO       0x38
  42 #define APBC_PWM0       0x3c
  43 #define APBC_PWM1       0x40
  44 #define APBC_PWM2       0x44
  45 #define APBC_PWM3       0x48
  46 #define APBC_SSP0       0x50
  47 #define APBC_SSP1       0x54
  48 #define APBC_SSP2       0x58
  49 #define APBC_SSP3       0x5c
  50 #define APBC_THERMAL0   0x90
  51 #define APBC_THERMAL1   0x98
  52 #define APBC_THERMAL2   0x9c
  53 #define APBC_THERMAL3   0xa0
  54 #define APMU_SDH0       0x54
  55 #define APMU_SDH1       0x58
  56 #define APMU_SDH2       0xe8
  57 #define APMU_SDH3       0xec
  58 #define APMU_SDH4       0x15c
  59 #define APMU_USB        0x5c
  60 #define APMU_DISP0      0x4c
  61 #define APMU_DISP1      0x110
  62 #define APMU_CCIC0      0x50
  63 #define APMU_CCIC1      0xf4
  64 #define APMU_USBHSIC0   0xf8
  65 #define APMU_USBHSIC1   0xfc
  66 #define APMU_GPU        0xcc
  67 #define APMU_AUDIO      0x10c
  68 #define APMU_CAMERA     0x1fc
  69
  70 #define MPMU_FCCR               0x8
  71 #define MPMU_POSR               0x10
  72 #define MPMU_UART_PLL           0x14
  73 #define MPMU_PLL2_CR            0x34
  74 #define MPMU_I2S0_PLL           0x40
  75 #define MPMU_I2S1_PLL           0x44
  76 #define MPMU_ACGR               0x1024
  77 /* MMP3 specific below */
  78 #define MPMU_PLL3_CR            0x50
  79 #define MPMU_PLL3_CTRL1         0x58
  80 #define MPMU_PLL1_CTRL          0x5c
  81 #define MPMU_PLL_DIFF_CTRL      0x68
  82 #define MPMU_PLL2_CTRL1         0x414
  83
  84 enum mmp2_clk_model {
  85         CLK_MODEL_MMP2,
  86         CLK_MODEL_MMP3,
  87 };
  88
  89 struct mmp2_clk_unit {
  90         struct mmp_clk_unit unit;
  91         enum mmp2_clk_model model;
  92         struct genpd_onecell_data pd_data;
  93         struct generic_pm_domain *pm_domains[MMP2_NR_POWER_DOMAINS];
  94         void __iomem *mpmu_base;
  95         void __iomem *apmu_base;
  96         void __iomem *apbc_base;
  97 };
  98
  99 static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
 100         {MMP2_CLK_CLK32, "clk32", NULL, 0, 32768},
 101         {MMP2_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000},
 102         {MMP2_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000},
 103         {0, "i2s_pll", NULL, 0, 99666667},
 104 };
 105
 106 static struct mmp_param_pll_clk pll_clks[] = {
 107         {MMP2_CLK_PLL1,   "pll1",   797330000, MPMU_FCCR,          0x4000, MPMU_POSR,     0},
 108         {MMP2_CLK_PLL2,   "pll2",           0, MPMU_PLL2_CR,       0x0300, MPMU_PLL2_CR, 10},
 109 };
 110
 111 static struct mmp_param_pll_clk mmp3_pll_clks[] = {
 112         {MMP2_CLK_PLL2,   "pll1",   797330000, MPMU_FCCR,          0x4000, MPMU_POSR,     0,      26000000, MPMU_PLL1_CTRL,      25},
 113         {MMP2_CLK_PLL2,   "pll2",           0, MPMU_PLL2_CR,       0x0300, MPMU_PLL2_CR, 10,      26000000, MPMU_PLL2_CTRL1,     25},
 114         {MMP3_CLK_PLL1_P, "pll1_p",         0, MPMU_PLL_DIFF_CTRL, 0x0010, 0,             0,     797330000, MPMU_PLL_DIFF_CTRL,   0},
 115         {MMP3_CLK_PLL2_P, "pll2_p",         0, MPMU_PLL_DIFF_CTRL, 0x0100, MPMU_PLL2_CR, 10,      26000000, MPMU_PLL_DIFF_CTRL,   5},
 116         {MMP3_CLK_PLL3,   "pll3",           0, MPMU_PLL3_CR,       0x0300, MPMU_PLL3_CR, 10,      26000000, MPMU_PLL3_CTRL1,     25},
 117 };
 118
 119 static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
 120         {MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
 121         {MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
 122         {MMP2_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
 123         {MMP2_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
 124         {MMP2_CLK_PLL1_20, "pll1_20", "pll1_4", 1, 5, 0},
 125         {MMP2_CLK_PLL1_3, "pll1_3", "pll1", 1, 3, 0},
 126         {MMP2_CLK_PLL1_6, "pll1_6", "pll1_3", 1, 2, 0},
 127         {MMP2_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
 128         {MMP2_CLK_PLL2_2, "pll2_2", "pll2", 1, 2, 0},
 129         {MMP2_CLK_PLL2_4, "pll2_4", "pll2_2", 1, 2, 0},
 130         {MMP2_CLK_PLL2_8, "pll2_8", "pll2_4", 1, 2, 0},
 131         {MMP2_CLK_PLL2_16, "pll2_16", "pll2_8", 1, 2, 0},
 132         {MMP2_CLK_PLL2_3, "pll2_3", "pll2", 1, 3, 0},
 133         {MMP2_CLK_PLL2_6, "pll2_6", "pll2_3", 1, 2, 0},
 134         {MMP2_CLK_PLL2_12, "pll2_12", "pll2_6", 1, 2, 0},
 135         {MMP2_CLK_VCTCXO_2, "vctcxo_2", "vctcxo", 1, 2, 0},
 136         {MMP2_CLK_VCTCXO_4, "vctcxo_4", "vctcxo_2", 1, 2, 0},
 137 };
 138
 139 static struct mmp_clk_factor_masks uart_factor_masks = {
 140         .factor = 2,
 141         .num_mask = 0x1fff,
 142         .den_mask = 0x1fff,
 143         .num_shift = 16,
 144         .den_shift = 0,
 145 };
 146
 147 static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
 148         {.num = 8125, .den = 1536},     /*14.745MHZ */
 149         {.num = 3521, .den = 689},      /*19.23MHZ */
 150 };
 151
 152 static struct mmp_clk_factor_masks i2s_factor_masks = {
 153         .factor = 2,
 154         .num_mask = 0x7fff,
 155         .den_mask = 0x1fff,
 156         .num_shift = 0,
 157         .den_shift = 15,
 158         .enable_mask = 0xd0000000,
 159 };
 160
 161 static struct mmp_clk_factor_tbl i2s_factor_tbl[] = {
 162         {.num = 24868, .den =  511},    /*  2.0480 MHz */
 163         {.num = 28003, .den =  793},    /*  2.8224 MHz */
 164         {.num = 24941, .den = 1025},    /*  4.0960 MHz */
 165         {.num = 28003, .den = 1586},    /*  5.6448 MHz */
 166         {.num = 31158, .den = 2561},    /*  8.1920 MHz */
 167         {.num = 16288, .den = 1845},    /* 11.2896 MHz */
 168         {.num = 20772, .den = 2561},    /* 12.2880 MHz */
 169         {.num =  8144, .den = 1845},    /* 22.5792 MHz */
 170         {.num = 10386, .den = 2561},    /* 24.5760 MHz */
 171 };
 172
 173 static DEFINE_SPINLOCK(acgr_lock);
 174
 175 static struct mmp_param_gate_clk mpmu_gate_clks[] = {
 176         {MMP2_CLK_I2S0, "i2s0_clk", "i2s0_pll", CLK_SET_RATE_PARENT, MPMU_ACGR, 0x200000, 0x200000, 0x0, 0, &acgr_lock},
 177         {MMP2_CLK_I2S1, "i2s1_clk", "i2s1_pll", CLK_SET_RATE_PARENT, MPMU_ACGR, 0x100000, 0x100000, 0x0, 0, &acgr_lock},
 178 };
 179
 180 static void mmp2_main_clk_init(struct mmp2_clk_unit *pxa_unit)
 181 {
 182         struct clk *clk;
 183         struct mmp_clk_unit *unit = &pxa_unit->unit;
 184
 185         mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
 186                                         ARRAY_SIZE(fixed_rate_clks));
 187
 188         if (pxa_unit->model == CLK_MODEL_MMP3) {
 189                 mmp_register_pll_clks(unit, mmp3_pll_clks,
 190                                         pxa_unit->mpmu_base,
 191                                         ARRAY_SIZE(mmp3_pll_clks));
 192         } else {
 193                 mmp_register_pll_clks(unit, pll_clks,
 194                                         pxa_unit->mpmu_base,
 195                                         ARRAY_SIZE(pll_clks));
 196         }
 197
 198         mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
 199                                         ARRAY_SIZE(fixed_factor_clks));
 200
 201         clk = mmp_clk_register_factor("uart_pll", "pll1_4",
 202                                 CLK_SET_RATE_PARENT,
 203                                 pxa_unit->mpmu_base + MPMU_UART_PLL,
 204                                 &uart_factor_masks, uart_factor_tbl,
 205                                 ARRAY_SIZE(uart_factor_tbl), NULL);
 206         mmp_clk_add(unit, MMP2_CLK_UART_PLL, clk);
 207
 208         mmp_clk_register_factor("i2s0_pll", "pll1_4",
 209                                 CLK_SET_RATE_PARENT,
 210                                 pxa_unit->mpmu_base + MPMU_I2S0_PLL,
 211                                 &i2s_factor_masks, i2s_factor_tbl,
 212                                 ARRAY_SIZE(i2s_factor_tbl), NULL);
 213         mmp_clk_register_factor("i2s1_pll", "pll1_4",
 214                                 CLK_SET_RATE_PARENT,
 215                                 pxa_unit->mpmu_base + MPMU_I2S1_PLL,
 216                                 &i2s_factor_masks, i2s_factor_tbl,
 217                                 ARRAY_SIZE(i2s_factor_tbl), NULL);
 218
 219         mmp_register_gate_clks(unit, mpmu_gate_clks, pxa_unit->mpmu_base,
 220                                 ARRAY_SIZE(mpmu_gate_clks));
 221 }
 222
 223 static DEFINE_SPINLOCK(uart0_lock);
 224 static DEFINE_SPINLOCK(uart1_lock);
 225 static DEFINE_SPINLOCK(uart2_lock);
 226 static const char * const uart_parent_names[] = {"uart_pll", "vctcxo"};
 227
 228 static DEFINE_SPINLOCK(ssp0_lock);
 229 static DEFINE_SPINLOCK(ssp1_lock);
 230 static DEFINE_SPINLOCK(ssp2_lock);
 231 static DEFINE_SPINLOCK(ssp3_lock);
 232 static const char * const ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};
 233
 234 static DEFINE_SPINLOCK(timer_lock);
 235 static const char * const timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"};
 236
 237 static DEFINE_SPINLOCK(reset_lock);
 238
 239 static struct mmp_param_mux_clk apbc_mux_clks[] = {
 240         {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
 241         {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
 242         {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART2, 4, 3, 0, &uart2_lock},
 243         {0, "uart3_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART3, 4, 3, 0, &uart2_lock},
 244         {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
 245         {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
 246         {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP2, 4, 3, 0, &ssp2_lock},
 247         {0, "ssp3_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP3, 4, 3, 0, &ssp3_lock},
 248         {0, "timer_mux", timer_parent_names, ARRAY_SIZE(timer_parent_names), CLK_SET_RATE_PARENT, APBC_TIMER, 4, 3, 0, &timer_lock},
 249 };
 250
 251 static struct mmp_param_gate_clk apbc_gate_clks[] = {
 252         {MMP2_CLK_TWSI0, "twsi0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x7, 0x3, 0x0, 0, &reset_lock},
 253         {MMP2_CLK_TWSI1, "twsi1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI1, 0x7, 0x3, 0x0, 0, &reset_lock},
 254         {MMP2_CLK_TWSI2, "twsi2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI2, 0x7, 0x3, 0x0, 0, &reset_lock},
 255         {MMP2_CLK_TWSI3, "twsi3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI3, 0x7, 0x3, 0x0, 0, &reset_lock},
 256         {MMP2_CLK_TWSI4, "twsi4_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI4, 0x7, 0x3, 0x0, 0, &reset_lock},
 257         {MMP2_CLK_TWSI5, "twsi5_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI5, 0x7, 0x3, 0x0, 0, &reset_lock},
 258         {MMP2_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x7, 0x3, 0x0, 0, &reset_lock},
 259         {MMP2_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
 260         {MMP2_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x87, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
 261         {MMP2_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x7, 0x3, 0x0, 0, &reset_lock},
 262         {MMP2_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x7, 0x3, 0x0, 0, &reset_lock},
 263         {MMP2_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x7, 0x3, 0x0, 0, &reset_lock},
 264         {MMP2_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x7, 0x3, 0x0, 0, &reset_lock},
 265         /* The gate clocks has mux parent. */
 266         {MMP2_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x7, 0x3, 0x0, 0, &uart0_lock},
 267         {MMP2_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x7, 0x3, 0x0, 0, &uart1_lock},
 268         {MMP2_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBC_UART2, 0x7, 0x3, 0x0, 0, &uart2_lock},
 269         {MMP2_CLK_UART3, "uart3_clk", "uart3_mux", CLK_SET_RATE_PARENT, APBC_UART3, 0x7, 0x3, 0x0, 0, &uart2_lock},
 270         {MMP2_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x7, 0x3, 0x0, 0, &ssp0_lock},
 271         {MMP2_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x7, 0x3, 0x0, 0, &ssp1_lock},
 272         {MMP2_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x7, 0x3, 0x0, 0, &ssp2_lock},
 273         {MMP2_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x7, 0x3, 0x0, 0, &ssp3_lock},
 274         {MMP2_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x7, 0x3, 0x0, 0, &timer_lock},
 275         {MMP2_CLK_THERMAL0, "thermal0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL0, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
 276 };
 277
 278 static struct mmp_param_gate_clk mmp3_apbc_gate_clks[] = {
 279         {MMP3_CLK_THERMAL1, "thermal1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL1, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
 280         {MMP3_CLK_THERMAL2, "thermal2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL2, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
 281         {MMP3_CLK_THERMAL3, "thermal3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL3, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
 282 };
 283
 284 static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
 285 {
 286         struct mmp_clk_unit *unit = &pxa_unit->unit;
 287
 288         mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
 289                                 ARRAY_SIZE(apbc_mux_clks));
 290
 291         mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
 292                                 ARRAY_SIZE(apbc_gate_clks));
 293
 294         if (pxa_unit->model == CLK_MODEL_MMP3) {
 295                 mmp_register_gate_clks(unit, mmp3_apbc_gate_clks, pxa_unit->apbc_base,
 296                                         ARRAY_SIZE(mmp3_apbc_gate_clks));
 297         }
 298 }
 299
 300 static DEFINE_SPINLOCK(sdh_lock);
 301 static const char * const sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"};
 302 static struct mmp_clk_mix_config sdh_mix_config = {
 303         .reg_info = DEFINE_MIX_REG_INFO(4, 10, 2, 8, 32),
 304 };
 305
 306 static DEFINE_SPINLOCK(usb_lock);
 307 static DEFINE_SPINLOCK(usbhsic0_lock);
 308 static DEFINE_SPINLOCK(usbhsic1_lock);
 309
 310 static DEFINE_SPINLOCK(disp0_lock);
 311 static DEFINE_SPINLOCK(disp1_lock);
 312 static const char * const disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"};
 313
 314 static DEFINE_SPINLOCK(ccic0_lock);
 315 static DEFINE_SPINLOCK(ccic1_lock);
 316 static const char * const ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"};
 317
 318 static DEFINE_SPINLOCK(gpu_lock);
 319 static const char * const mmp2_gpu_gc_parent_names[] =  {"pll1_2", "pll1_3", "pll2_2", "pll2_3", "pll2", "usb_pll"};
 320 static u32 mmp2_gpu_gc_parent_table[] =          { 0x0000,   0x0040,   0x0080,   0x00c0,   0x1000, 0x1040   };
 321 static const char * const mmp2_gpu_bus_parent_names[] = {"pll1_4", "pll2",   "pll2_2", "usb_pll"};
 322 static u32 mmp2_gpu_bus_parent_table[] =         { 0x0000,   0x0020,   0x0030,   0x4020   };
 323 static const char * const mmp3_gpu_bus_parent_names[] = {"pll1_4", "pll1_6", "pll1_2", "pll2_2"};
 324 static const char * const mmp3_gpu_gc_parent_names[] =  {"pll1",   "pll2",   "pll1_p", "pll2_p"};
 325
 326 static DEFINE_SPINLOCK(audio_lock);
 327
 328 static struct mmp_clk_mix_config ccic0_mix_config = {
 329         .reg_info = DEFINE_MIX_REG_INFO(4, 17, 2, 6, 32),
 330 };
 331 static struct mmp_clk_mix_config ccic1_mix_config = {
 332         .reg_info = DEFINE_MIX_REG_INFO(4, 16, 2, 6, 32),
 333 };
 334
 335 static struct mmp_param_mux_clk apmu_mux_clks[] = {
 336         {MMP2_CLK_DISP0_MUX, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 2, 0, &disp0_lock},
 337         {MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock},
 338 };
 339
 340 static struct mmp_param_mux_clk mmp3_apmu_mux_clks[] = {
 341         {0, "gpu_bus_mux", mmp3_gpu_bus_parent_names, ARRAY_SIZE(mmp3_gpu_bus_parent_names),
 342                                                                         CLK_SET_RATE_PARENT, APMU_GPU, 4, 2, 0, &gpu_lock},
 343         {0, "gpu_3d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names),
 344                                                                         CLK_SET_RATE_PARENT, APMU_GPU, 6, 2, 0, &gpu_lock},
 345         {0, "gpu_2d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names),
 346                                                                         CLK_SET_RATE_PARENT, APMU_GPU, 12, 2, 0, &gpu_lock},
 347 };
 348
 349 static struct mmp_param_div_clk apmu_div_clks[] = {
 350         {0, "disp0_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 8, 4, CLK_DIVIDER_ONE_BASED, &disp0_lock},
 351         {0, "disp0_sphy_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 15, 5, 0, &disp0_lock},
 352         {0, "disp1_div", "disp1_mux", CLK_SET_RATE_PARENT, APMU_DISP1, 8, 4, CLK_DIVIDER_ONE_BASED, &disp1_lock},
 353         {0, "ccic0_sphy_div", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
 354         {0, "ccic1_sphy_div", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 10, 5, 0, &ccic1_lock},
 355 };
 356
 357 static struct mmp_param_div_clk mmp3_apmu_div_clks[] = {
 358         {0, "gpu_3d_div", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 24, 4, 0, &gpu_lock},
 359         {0, "gpu_2d_div", "gpu_2d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 28, 4, 0, &gpu_lock},
 360 };
 361
 362 static struct mmp_param_gate_clk apmu_gate_clks[] = {
 363         {MMP2_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
 364         {MMP2_CLK_USBHSIC0, "usbhsic0_clk", "usb_pll", 0, APMU_USBHSIC0, 0x1b, 0x1b, 0x0, 0, &usbhsic0_lock},
 365         {MMP2_CLK_USBHSIC1, "usbhsic1_clk", "usb_pll", 0, APMU_USBHSIC1, 0x1b, 0x1b, 0x0, 0, &usbhsic1_lock},
 366         /* The gate clocks has mux parent. */
 367         {MMP2_CLK_SDH0, "sdh0_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
 368         {MMP2_CLK_SDH1, "sdh1_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
 369         {MMP2_CLK_SDH2, "sdh2_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH2, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
 370         {MMP2_CLK_SDH3, "sdh3_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH3, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
 371         {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock},
 372         {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock},
 373         {MMP2_CLK_DISP0_SPHY, "disp0_sphy_clk", "disp0_sphy_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1024, 0x1024, 0x0, 0, &disp0_lock},
 374         {MMP2_CLK_DISP1, "disp1_clk", "disp1_div", CLK_SET_RATE_PARENT, APMU_DISP1, 0x09, 0x09, 0x0, 0, &disp1_lock},
 375         {MMP2_CLK_CCIC_ARBITER, "ccic_arbiter", "vctcxo", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1800, 0x1800, 0x0, 0, &ccic0_lock},
 376         {MMP2_CLK_CCIC0, "ccic0_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
 377         {MMP2_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
 378         {MMP2_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
 379         {MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock},
 380         {MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock},
 381         {MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock},
 382         {MMP2_CLK_GPU_BUS, "gpu_bus_clk", "gpu_bus_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0xa, 0xa, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
 383         {MMP2_CLK_AUDIO, "audio_clk", "audio_mix_clk", CLK_SET_RATE_PARENT, APMU_AUDIO, 0x12, 0x12, 0x0, 0, &audio_lock},
 384 };
 385
 386 static struct mmp_param_gate_clk mmp2_apmu_gate_clks[] = {
 387         {MMP2_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
 388 };
 389
 390 static struct mmp_param_gate_clk mmp3_apmu_gate_clks[] = {
 391         {MMP3_CLK_SDH4, "sdh4_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH4, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
 392         {MMP3_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
 393         {MMP3_CLK_GPU_2D, "gpu_2d_clk", "gpu_2d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x1c0000, 0x1c0000, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
 394 };
 395
 396 static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
 397 {
 398         struct clk *clk;
 399         struct mmp_clk_unit *unit = &pxa_unit->unit;
 400
 401         sdh_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_SDH0;
 402         clk = mmp_clk_register_mix(NULL, "sdh_mix_clk", sdh_parent_names,
 403                                         ARRAY_SIZE(sdh_parent_names),
 404                                         CLK_SET_RATE_PARENT,
 405                                         &sdh_mix_config, &sdh_lock);
 406
 407         ccic0_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC0;
 408         clk = mmp_clk_register_mix(NULL, "ccic0_mix_clk", ccic_parent_names,
 409                                         ARRAY_SIZE(ccic_parent_names),
 410                                         CLK_SET_RATE_PARENT,
 411                                         &ccic0_mix_config, &ccic0_lock);
 412         mmp_clk_add(unit, MMP2_CLK_CCIC0_MIX, clk);
 413
 414         ccic1_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC1;
 415         clk = mmp_clk_register_mix(NULL, "ccic1_mix_clk", ccic_parent_names,
 416                                         ARRAY_SIZE(ccic_parent_names),
 417                                         CLK_SET_RATE_PARENT,
 418                                         &ccic1_mix_config, &ccic1_lock);
 419         mmp_clk_add(unit, MMP2_CLK_CCIC1_MIX, clk);
 420
 421         mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
 422                                 ARRAY_SIZE(apmu_mux_clks));
 423
 424         mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
 425                                 ARRAY_SIZE(apmu_div_clks));
 426
 427         mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
 428                                 ARRAY_SIZE(apmu_gate_clks));
 429
 430         if (pxa_unit->model == CLK_MODEL_MMP3) {
 431                 mmp_register_mux_clks(unit, mmp3_apmu_mux_clks, pxa_unit->apmu_base,
 432                                         ARRAY_SIZE(mmp3_apmu_mux_clks));
 433
 434                 mmp_register_div_clks(unit, mmp3_apmu_div_clks, pxa_unit->apmu_base,
 435                                         ARRAY_SIZE(mmp3_apmu_div_clks));
 436
 437                 mmp_register_gate_clks(unit, mmp3_apmu_gate_clks, pxa_unit->apmu_base,
 438                                         ARRAY_SIZE(mmp3_apmu_gate_clks));
 439         } else {
 440                 clk_register_mux_table(NULL, "gpu_3d_mux", mmp2_gpu_gc_parent_names,
 441                                         ARRAY_SIZE(mmp2_gpu_gc_parent_names),
 442                                         CLK_SET_RATE_PARENT,
 443                                         pxa_unit->apmu_base + APMU_GPU,
 444                                         0, 0x10c0, 0,
 445                                         mmp2_gpu_gc_parent_table, &gpu_lock);
 446
 447                 clk_register_mux_table(NULL, "gpu_bus_mux", mmp2_gpu_bus_parent_names,
 448                                         ARRAY_SIZE(mmp2_gpu_bus_parent_names),
 449                                         CLK_SET_RATE_PARENT,
 450                                         pxa_unit->apmu_base + APMU_GPU,
 451                                         0, 0x4030, 0,
 452                                         mmp2_gpu_bus_parent_table, &gpu_lock);
 453
 454                 mmp_register_gate_clks(unit, mmp2_apmu_gate_clks, pxa_unit->apmu_base,
 455                                         ARRAY_SIZE(mmp2_apmu_gate_clks));
 456         }
 457 }
 458
 459 static void mmp2_clk_reset_init(struct device_node *np,
 460                                 struct mmp2_clk_unit *pxa_unit)
 461 {
 462         struct mmp_clk_reset_cell *cells;
 463         int i, nr_resets;
 464
 465         nr_resets = ARRAY_SIZE(apbc_gate_clks);
 466         cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
 467         if (!cells)
 468                 return;
 469
 470         for (i = 0; i < nr_resets; i++) {
 471                 cells[i].clk_id = apbc_gate_clks[i].id;
 472                 cells[i].reg = pxa_unit->apbc_base + apbc_gate_clks[i].offset;
 473                 cells[i].flags = 0;
 474                 cells[i].lock = apbc_gate_clks[i].lock;
 475                 cells[i].bits = 0x4;
 476         }
 477
 478         mmp_clk_reset_register(np, cells, nr_resets);
 479 }
 480
 481 static void mmp2_pm_domain_init(struct device_node *np,
 482                                 struct mmp2_clk_unit *pxa_unit)
 483 {
 484         if (pxa_unit->model == CLK_MODEL_MMP3) {
 485                 pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU]
 486                         = mmp_pm_domain_register("gpu",
 487                                 pxa_unit->apmu_base + APMU_GPU,
 488                                 0x0600, 0x40003, 0x18000c, 0, &gpu_lock);
 489         } else {
 490                 pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU]
 491                         = mmp_pm_domain_register("gpu",
 492                                 pxa_unit->apmu_base + APMU_GPU,
 493                                 0x8600, 0x00003, 0x00000c,
 494                                 MMP_PM_DOMAIN_NO_DISABLE, &gpu_lock);
 495         }
 496         pxa_unit->pd_data.num_domains++;
 497
 498         pxa_unit->pm_domains[MMP2_POWER_DOMAIN_AUDIO]
 499                 = mmp_pm_domain_register("audio",
 500                         pxa_unit->apmu_base + APMU_AUDIO,
 501                         0x600, 0x2, 0, 0, &audio_lock);
 502         pxa_unit->pd_data.num_domains++;
 503
 504         if (pxa_unit->model == CLK_MODEL_MMP3) {
 505                 pxa_unit->pm_domains[MMP3_POWER_DOMAIN_CAMERA]
 506                         = mmp_pm_domain_register("camera",
 507                                 pxa_unit->apmu_base + APMU_CAMERA,
 508                                 0x600, 0, 0, 0, NULL);
 509                 pxa_unit->pd_data.num_domains++;
 510         }
 511
 512         pxa_unit->pd_data.domains = pxa_unit->pm_domains;
 513         of_genpd_add_provider_onecell(np, &pxa_unit->pd_data);
 514 }
 515
 516 static void __init mmp2_clk_init(struct device_node *np)
 517 {
 518         struct mmp2_clk_unit *pxa_unit;
 519
 520         pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
 521         if (!pxa_unit)
 522                 return;
 523
 524         if (of_device_is_compatible(np, "marvell,mmp3-clock"))
 525                 pxa_unit->model = CLK_MODEL_MMP3;
 526         else
 527                 pxa_unit->model = CLK_MODEL_MMP2;
 528
 529         pxa_unit->mpmu_base = of_iomap(np, 0);
 530         if (!pxa_unit->mpmu_base) {
 531                 pr_err("failed to map mpmu registers\n");
 532                 goto free_memory;
 533         }
 534
 535         pxa_unit->apmu_base = of_iomap(np, 1);
 536         if (!pxa_unit->apmu_base) {
 537                 pr_err("failed to map apmu registers\n");
 538                 goto unmap_mpmu_region;
 539         }
 540
 541         pxa_unit->apbc_base = of_iomap(np, 2);
 542         if (!pxa_unit->apbc_base) {
 543                 pr_err("failed to map apbc registers\n");
 544                 goto unmap_apmu_region;
 545         }
 546
 547         mmp2_pm_domain_init(np, pxa_unit);
 548
 549         mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS);
 550
 551         mmp2_main_clk_init(pxa_unit);
 552
 553         mmp2_apb_periph_clk_init(pxa_unit);
 554
 555         mmp2_axi_periph_clk_init(pxa_unit);
 556
 557         mmp2_clk_reset_init(np, pxa_unit);
 558
 559         return;
 560
 561 unmap_apmu_region:
 562         iounmap(pxa_unit->apmu_base);
 563 unmap_mpmu_region:
 564         iounmap(pxa_unit->mpmu_base);
 565 free_memory:
 566         kfree(pxa_unit);
 567 }
 568
 569 CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);
 570 CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init);