drivers/clk/zte/clk-zx296702.c

   1 /*
   2  * Copyright 2014 Linaro Ltd.
   3  * Copyright (C) 2014 ZTE Corporation.
   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 version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/clk-provider.h>
  11 #include <linux/of_address.h>
  12 #include <dt-bindings/clock/zx296702-clock.h>
  13 #include "clk.h"
  14
  15 static DEFINE_SPINLOCK(reg_lock);
  16
  17 static void __iomem *topcrm_base;
  18 static void __iomem *lsp0crpm_base;
  19 static void __iomem *lsp1crpm_base;
  20
  21 static struct clk *topclk[ZX296702_TOPCLK_END];
  22 static struct clk *lsp0clk[ZX296702_LSP0CLK_END];
  23 static struct clk *lsp1clk[ZX296702_LSP1CLK_END];
  24
  25 static struct clk_onecell_data topclk_data;
  26 static struct clk_onecell_data lsp0clk_data;
  27 static struct clk_onecell_data lsp1clk_data;
  28
  29 #define CLK_MUX                 (topcrm_base + 0x04)
  30 #define CLK_DIV                 (topcrm_base + 0x08)
  31 #define CLK_EN0                 (topcrm_base + 0x0c)
  32 #define CLK_EN1                 (topcrm_base + 0x10)
  33 #define VOU_LOCAL_CLKEN         (topcrm_base + 0x68)
  34 #define VOU_LOCAL_CLKSEL        (topcrm_base + 0x70)
  35 #define VOU_LOCAL_DIV2_SET      (topcrm_base + 0x74)
  36 #define CLK_MUX1                (topcrm_base + 0x8c)
  37
  38 #define CLK_SDMMC1              (lsp0crpm_base + 0x0c)
  39 #define CLK_GPIO                (lsp0crpm_base + 0x2c)
  40 #define CLK_SPDIF0              (lsp0crpm_base + 0x10)
  41 #define SPDIF0_DIV              (lsp0crpm_base + 0x14)
  42 #define CLK_I2S0                (lsp0crpm_base + 0x18)
  43 #define I2S0_DIV                (lsp0crpm_base + 0x1c)
  44 #define CLK_I2S1                (lsp0crpm_base + 0x20)
  45 #define I2S1_DIV                (lsp0crpm_base + 0x24)
  46 #define CLK_I2S2                (lsp0crpm_base + 0x34)
  47 #define I2S2_DIV                (lsp0crpm_base + 0x38)
  48
  49 #define CLK_UART0               (lsp1crpm_base + 0x20)
  50 #define CLK_UART1               (lsp1crpm_base + 0x24)
  51 #define CLK_SDMMC0              (lsp1crpm_base + 0x2c)
  52 #define CLK_SPDIF1              (lsp1crpm_base + 0x30)
  53 #define SPDIF1_DIV              (lsp1crpm_base + 0x34)
  54
  55 static const struct zx_pll_config pll_a9_config[] = {
  56         { .rate = 700000000, .cfg0 = 0x800405d1, .cfg1 = 0x04555555 },
  57         { .rate = 800000000, .cfg0 = 0x80040691, .cfg1 = 0x04aaaaaa },
  58         { .rate = 900000000, .cfg0 = 0x80040791, .cfg1 = 0x04000000 },
  59         { .rate = 1000000000, .cfg0 = 0x80040851, .cfg1 = 0x04555555 },
  60         { .rate = 1100000000, .cfg0 = 0x80040911, .cfg1 = 0x04aaaaaa },
  61         { .rate = 1200000000, .cfg0 = 0x80040a11, .cfg1 = 0x04000000 },
  62 };
  63
  64 static const struct clk_div_table main_hlk_div[] = {
  65         { .val = 1, .div = 2, },
  66         { .val = 3, .div = 4, },
  67         { /* sentinel */ }
  68 };
  69
  70 static const struct clk_div_table a9_as1_aclk_divider[] = {
  71         { .val = 0, .div = 1, },
  72         { .val = 1, .div = 2, },
  73         { .val = 3, .div = 4, },
  74         { /* sentinel */ }
  75 };
  76
  77 static const struct clk_div_table sec_wclk_divider[] = {
  78         { .val = 0, .div = 1, },
  79         { .val = 1, .div = 2, },
  80         { .val = 3, .div = 4, },
  81         { .val = 5, .div = 6, },
  82         { .val = 7, .div = 8, },
  83         { /* sentinel */ }
  84 };
  85
  86 static const char * matrix_aclk_sel[] = {
  87         "pll_mm0_198M",
  88         "osc",
  89         "clk_148M5",
  90         "pll_lsp_104M",
  91 };
  92
  93 static const char * a9_wclk_sel[] = {
  94         "pll_a9",
  95         "osc",
  96         "clk_500",
  97         "clk_250",
  98 };
  99
 100 static const char * a9_as1_aclk_sel[] = {
 101         "clk_250",
 102         "osc",
 103         "pll_mm0_396M",
 104         "pll_mac_333M",
 105 };
 106
 107 static const char * a9_trace_clkin_sel[] = {
 108         "clk_74M25",
 109         "pll_mm1_108M",
 110         "clk_125",
 111         "clk_148M5",
 112 };
 113
 114 static const char * decppu_aclk_sel[] = {
 115         "clk_250",
 116         "pll_mm0_198M",
 117         "pll_lsp_104M",
 118         "pll_audio_294M912",
 119 };
 120
 121 static const char * vou_main_wclk_sel[] = {
 122         "clk_148M5",
 123         "clk_74M25",
 124         "clk_27",
 125         "pll_mm1_54M",
 126 };
 127
 128 static const char * vou_scaler_wclk_sel[] = {
 129         "clk_250",
 130         "pll_mac_333M",
 131         "pll_audio_294M912",
 132         "pll_mm0_198M",
 133 };
 134
 135 static const char * r2d_wclk_sel[] = {
 136         "pll_audio_294M912",
 137         "pll_mac_333M",
 138         "pll_a9_350M",
 139         "pll_mm0_396M",
 140 };
 141
 142 static const char * ddr_wclk_sel[] = {
 143         "pll_mac_333M",
 144         "pll_ddr_266M",
 145         "pll_audio_294M912",
 146         "pll_mm0_198M",
 147 };
 148
 149 static const char * nand_wclk_sel[] = {
 150         "pll_lsp_104M",
 151         "osc",
 152 };
 153
 154 static const char * lsp_26_wclk_sel[] = {
 155         "pll_lsp_26M",
 156         "osc",
 157 };
 158
 159 static const char * vl0_sel[] = {
 160         "vou_main_channel_div",
 161         "vou_aux_channel_div",
 162 };
 163
 164 static const char * hdmi_sel[] = {
 165         "vou_main_channel_wclk",
 166         "vou_aux_channel_wclk",
 167 };
 168
 169 static const char * sdmmc0_wclk_sel[] = {
 170         "lsp1_104M_wclk",
 171         "lsp1_26M_wclk",
 172 };
 173
 174 static const char * sdmmc1_wclk_sel[] = {
 175         "lsp0_104M_wclk",
 176         "lsp0_26M_wclk",
 177 };
 178
 179 static const char * uart_wclk_sel[] = {
 180         "lsp1_104M_wclk",
 181         "lsp1_26M_wclk",
 182 };
 183
 184 static const char * spdif0_wclk_sel[] = {
 185         "lsp0_104M_wclk",
 186         "lsp0_26M_wclk",
 187 };
 188
 189 static const char * spdif1_wclk_sel[] = {
 190         "lsp1_104M_wclk",
 191         "lsp1_26M_wclk",
 192 };
 193
 194 static const char * i2s_wclk_sel[] = {
 195         "lsp0_104M_wclk",
 196         "lsp0_26M_wclk",
 197 };
 198
 199 static inline struct clk *zx_divtbl(const char *name, const char *parent,
 200                                     void __iomem *reg, u8 shift, u8 width,
 201                                     const struct clk_div_table *table)
 202 {
 203         return clk_register_divider_table(NULL, name, parent, 0, reg, shift,
 204                                           width, 0, table, &reg_lock);
 205 }
 206
 207 static inline struct clk *zx_div(const char *name, const char *parent,
 208                                  void __iomem *reg, u8 shift, u8 width)
 209 {
 210         return clk_register_divider(NULL, name, parent, 0,
 211                                     reg, shift, width, 0, &reg_lock);
 212 }
 213
 214 static inline struct clk *zx_mux(const char *name, const char **parents,
 215                 int num_parents, void __iomem *reg, u8 shift, u8 width)
 216 {
 217         return clk_register_mux(NULL, name, parents, num_parents,
 218                                 0, reg, shift, width, 0, &reg_lock);
 219 }
 220
 221 static inline struct clk *zx_gate(const char *name, const char *parent,
 222                                   void __iomem *reg, u8 shift)
 223 {
 224         return clk_register_gate(NULL, name, parent, CLK_IGNORE_UNUSED,
 225                                  reg, shift, CLK_SET_RATE_PARENT, &reg_lock);
 226 }
 227
 228 static void __init zx296702_top_clocks_init(struct device_node *np)
 229 {
 230         struct clk **clk = topclk;
 231         int i;
 232
 233         topcrm_base = of_iomap(np, 0);
 234         WARN_ON(!topcrm_base);
 235
 236         clk[ZX296702_OSC] =
 237                 clk_register_fixed_rate(NULL, "osc", NULL, CLK_IS_ROOT,
 238                                 30000000);
 239         clk[ZX296702_PLL_A9] =
 240                 clk_register_zx_pll("pll_a9", "osc", 0, topcrm_base
 241                                 + 0x01c, pll_a9_config,
 242                                 ARRAY_SIZE(pll_a9_config), &reg_lock);
 243
 244         /* TODO: pll_a9_350M look like changeble follow a9 pll */
 245         clk[ZX296702_PLL_A9_350M] =
 246                 clk_register_fixed_rate(NULL, "pll_a9_350M", "osc", 0,
 247                                 350000000);
 248         clk[ZX296702_PLL_MAC_1000M] =
 249                 clk_register_fixed_rate(NULL, "pll_mac_1000M", "osc", 0,
 250                                 1000000000);
 251         clk[ZX296702_PLL_MAC_333M] =
 252                 clk_register_fixed_rate(NULL, "pll_mac_333M",    "osc", 0,
 253                                 333000000);
 254         clk[ZX296702_PLL_MM0_1188M] =
 255                 clk_register_fixed_rate(NULL, "pll_mm0_1188M", "osc", 0,
 256                                 1188000000);
 257         clk[ZX296702_PLL_MM0_396M] =
 258                 clk_register_fixed_rate(NULL, "pll_mm0_396M",  "osc", 0,
 259                                 396000000);
 260         clk[ZX296702_PLL_MM0_198M] =
 261                 clk_register_fixed_rate(NULL, "pll_mm0_198M",  "osc", 0,
 262                                 198000000);
 263         clk[ZX296702_PLL_MM1_108M] =
 264                 clk_register_fixed_rate(NULL, "pll_mm1_108M",  "osc", 0,
 265                                 108000000);
 266         clk[ZX296702_PLL_MM1_72M] =
 267                 clk_register_fixed_rate(NULL, "pll_mm1_72M",     "osc", 0,
 268                                 72000000);
 269         clk[ZX296702_PLL_MM1_54M] =
 270                 clk_register_fixed_rate(NULL, "pll_mm1_54M",     "osc", 0,
 271                                 54000000);
 272         clk[ZX296702_PLL_LSP_104M] =
 273                 clk_register_fixed_rate(NULL, "pll_lsp_104M",  "osc", 0,
 274                                 104000000);
 275         clk[ZX296702_PLL_LSP_26M] =
 276                 clk_register_fixed_rate(NULL, "pll_lsp_26M",     "osc", 0,
 277                                 26000000);
 278         clk[ZX296702_PLL_DDR_266M] =
 279                 clk_register_fixed_rate(NULL, "pll_ddr_266M",    "osc", 0,
 280                                 266000000);
 281         clk[ZX296702_PLL_AUDIO_294M912] =
 282                 clk_register_fixed_rate(NULL, "pll_audio_294M912", "osc", 0,
 283                                 294912000);
 284
 285         /* bus clock */
 286         clk[ZX296702_MATRIX_ACLK] =
 287                 zx_mux("matrix_aclk", matrix_aclk_sel,
 288                                 ARRAY_SIZE(matrix_aclk_sel), CLK_MUX, 2, 2);
 289         clk[ZX296702_MAIN_HCLK] =
 290                 zx_divtbl("main_hclk", "matrix_aclk", CLK_DIV, 0, 2,
 291                                 main_hlk_div);
 292         clk[ZX296702_MAIN_PCLK] =
 293                 zx_divtbl("main_pclk", "matrix_aclk", CLK_DIV, 2, 2,
 294                                 main_hlk_div);
 295
 296         /* cpu clock */
 297         clk[ZX296702_CLK_500] =
 298                 clk_register_fixed_factor(NULL, "clk_500", "pll_mac_1000M", 0,
 299                                 1, 2);
 300         clk[ZX296702_CLK_250] =
 301                 clk_register_fixed_factor(NULL, "clk_250", "pll_mac_1000M", 0,
 302                                 1, 4);
 303         clk[ZX296702_CLK_125] =
 304                 clk_register_fixed_factor(NULL, "clk_125", "clk_250", 0, 1, 2);
 305         clk[ZX296702_CLK_148M5] =
 306                 clk_register_fixed_factor(NULL, "clk_148M5", "pll_mm0_1188M", 0,
 307                                 1, 8);
 308         clk[ZX296702_CLK_74M25] =
 309                 clk_register_fixed_factor(NULL, "clk_74M25", "pll_mm0_1188M", 0,
 310                                 1, 16);
 311         clk[ZX296702_A9_WCLK] =
 312                 zx_mux("a9_wclk", a9_wclk_sel, ARRAY_SIZE(a9_wclk_sel), CLK_MUX,
 313                                 0, 2);
 314         clk[ZX296702_A9_AS1_ACLK_MUX] =
 315                 zx_mux("a9_as1_aclk_mux", a9_as1_aclk_sel,
 316                                 ARRAY_SIZE(a9_as1_aclk_sel), CLK_MUX, 4, 2);
 317         clk[ZX296702_A9_TRACE_CLKIN_MUX] =
 318                 zx_mux("a9_trace_clkin_mux", a9_trace_clkin_sel,
 319                                 ARRAY_SIZE(a9_trace_clkin_sel), CLK_MUX1, 0, 2);
 320         clk[ZX296702_A9_AS1_ACLK_DIV] =
 321                 zx_divtbl("a9_as1_aclk_div", "a9_as1_aclk_mux", CLK_DIV, 4, 2,
 322                                 a9_as1_aclk_divider);
 323
 324         /* multi-media clock */
 325         clk[ZX296702_CLK_2] =
 326                 clk_register_fixed_factor(NULL, "clk_2", "pll_mm1_72M", 0,
 327                                 1, 36);
 328         clk[ZX296702_CLK_27] =
 329                 clk_register_fixed_factor(NULL, "clk_27", "pll_mm1_54M", 0,
 330                                 1, 2);
 331         clk[ZX296702_DECPPU_ACLK_MUX] =
 332                 zx_mux("decppu_aclk_mux", decppu_aclk_sel,
 333                                 ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 6, 2);
 334         clk[ZX296702_PPU_ACLK_MUX] =
 335                 zx_mux("ppu_aclk_mux", decppu_aclk_sel,
 336                                 ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 8, 2);
 337         clk[ZX296702_MALI400_ACLK_MUX] =
 338                 zx_mux("mali400_aclk_mux", decppu_aclk_sel,
 339                                 ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 12, 2);
 340         clk[ZX296702_VOU_ACLK_MUX] =
 341                 zx_mux("vou_aclk_mux", decppu_aclk_sel,
 342                                 ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 10, 2);
 343         clk[ZX296702_VOU_MAIN_WCLK_MUX] =
 344                 zx_mux("vou_main_wclk_mux", vou_main_wclk_sel,
 345                                 ARRAY_SIZE(vou_main_wclk_sel), CLK_MUX, 14, 2);
 346         clk[ZX296702_VOU_AUX_WCLK_MUX] =
 347                 zx_mux("vou_aux_wclk_mux", vou_main_wclk_sel,
 348                                 ARRAY_SIZE(vou_main_wclk_sel), CLK_MUX, 16, 2);
 349         clk[ZX296702_VOU_SCALER_WCLK_MUX] =
 350                 zx_mux("vou_scaler_wclk_mux", vou_scaler_wclk_sel,
 351                                 ARRAY_SIZE(vou_scaler_wclk_sel), CLK_MUX,
 352                                 18, 2);
 353         clk[ZX296702_R2D_ACLK_MUX] =
 354                 zx_mux("r2d_aclk_mux", decppu_aclk_sel,
 355                                 ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 20, 2);
 356         clk[ZX296702_R2D_WCLK_MUX] =
 357                 zx_mux("r2d_wclk_mux", r2d_wclk_sel,
 358                                 ARRAY_SIZE(r2d_wclk_sel), CLK_MUX, 22, 2);
 359
 360         /* other clock */
 361         clk[ZX296702_CLK_50] =
 362                 clk_register_fixed_factor(NULL, "clk_50", "pll_mac_1000M",
 363                                 0, 1, 20);
 364         clk[ZX296702_CLK_25] =
 365                 clk_register_fixed_factor(NULL, "clk_25", "pll_mac_1000M",
 366                                 0, 1, 40);
 367         clk[ZX296702_CLK_12] =
 368                 clk_register_fixed_factor(NULL, "clk_12", "pll_mm1_72M",
 369                                 0, 1, 6);
 370         clk[ZX296702_CLK_16M384] =
 371                 clk_register_fixed_factor(NULL, "clk_16M384",
 372                                 "pll_audio_294M912", 0, 1, 18);
 373         clk[ZX296702_CLK_32K768] =
 374                 clk_register_fixed_factor(NULL, "clk_32K768", "clk_16M384",
 375                                 0, 1, 500);
 376         clk[ZX296702_SEC_WCLK_DIV] =
 377                 zx_divtbl("sec_wclk_div", "pll_lsp_104M", CLK_DIV, 6, 3,
 378                                 sec_wclk_divider);
 379         clk[ZX296702_DDR_WCLK_MUX] =
 380                 zx_mux("ddr_wclk_mux", ddr_wclk_sel,
 381                                 ARRAY_SIZE(ddr_wclk_sel), CLK_MUX, 24, 2);
 382         clk[ZX296702_NAND_WCLK_MUX] =
 383                 zx_mux("nand_wclk_mux", nand_wclk_sel,
 384                                 ARRAY_SIZE(nand_wclk_sel), CLK_MUX, 24, 2);
 385         clk[ZX296702_LSP_26_WCLK_MUX] =
 386                 zx_mux("lsp_26_wclk_mux", lsp_26_wclk_sel,
 387                                 ARRAY_SIZE(lsp_26_wclk_sel), CLK_MUX, 27, 1);
 388
 389         /* gates */
 390         clk[ZX296702_A9_AS0_ACLK] =
 391                 zx_gate("a9_as0_aclk",  "matrix_aclk",          CLK_EN0, 0);
 392         clk[ZX296702_A9_AS1_ACLK] =
 393                 zx_gate("a9_as1_aclk",  "a9_as1_aclk_div",      CLK_EN0, 1);
 394         clk[ZX296702_A9_TRACE_CLKIN] =
 395                 zx_gate("a9_trace_clkin", "a9_trace_clkin_mux", CLK_EN0, 2);
 396         clk[ZX296702_DECPPU_AXI_M_ACLK] =
 397                 zx_gate("decppu_axi_m_aclk", "decppu_aclk_mux", CLK_EN0, 3);
 398         clk[ZX296702_DECPPU_AHB_S_HCLK] =
 399                 zx_gate("decppu_ahb_s_hclk",    "main_hclk",    CLK_EN0, 4);
 400         clk[ZX296702_PPU_AXI_M_ACLK] =
 401                 zx_gate("ppu_axi_m_aclk",       "ppu_aclk_mux", CLK_EN0, 5);
 402         clk[ZX296702_PPU_AHB_S_HCLK] =
 403                 zx_gate("ppu_ahb_s_hclk",       "main_hclk",    CLK_EN0, 6);
 404         clk[ZX296702_VOU_AXI_M_ACLK] =
 405                 zx_gate("vou_axi_m_aclk",       "vou_aclk_mux", CLK_EN0, 7);
 406         clk[ZX296702_VOU_APB_PCLK] =
 407                 zx_gate("vou_apb_pclk", "main_pclk",            CLK_EN0, 8);
 408         clk[ZX296702_VOU_MAIN_CHANNEL_WCLK] =
 409                 zx_gate("vou_main_channel_wclk", "vou_main_wclk_mux",
 410                                 CLK_EN0, 9);
 411         clk[ZX296702_VOU_AUX_CHANNEL_WCLK] =
 412                 zx_gate("vou_aux_channel_wclk", "vou_aux_wclk_mux",
 413                                 CLK_EN0, 10);
 414         clk[ZX296702_VOU_HDMI_OSCLK_CEC] =
 415                 zx_gate("vou_hdmi_osclk_cec", "clk_2",          CLK_EN0, 11);
 416         clk[ZX296702_VOU_SCALER_WCLK] =
 417                 zx_gate("vou_scaler_wclk", "vou_scaler_wclk_mux", CLK_EN0, 12);
 418         clk[ZX296702_MALI400_AXI_M_ACLK] =
 419                 zx_gate("mali400_axi_m_aclk", "mali400_aclk_mux", CLK_EN0, 13);
 420         clk[ZX296702_MALI400_APB_PCLK] =
 421                 zx_gate("mali400_apb_pclk",     "main_pclk",    CLK_EN0, 14);
 422         clk[ZX296702_R2D_WCLK] =
 423                 zx_gate("r2d_wclk",             "r2d_wclk_mux", CLK_EN0, 15);
 424         clk[ZX296702_R2D_AXI_M_ACLK] =
 425                 zx_gate("r2d_axi_m_aclk",       "r2d_aclk_mux", CLK_EN0, 16);
 426         clk[ZX296702_R2D_AHB_HCLK] =
 427                 zx_gate("r2d_ahb_hclk",         "main_hclk",    CLK_EN0, 17);
 428         clk[ZX296702_DDR3_AXI_S0_ACLK] =
 429                 zx_gate("ddr3_axi_s0_aclk",     "matrix_aclk",  CLK_EN0, 18);
 430         clk[ZX296702_DDR3_APB_PCLK] =
 431                 zx_gate("ddr3_apb_pclk",        "main_pclk",    CLK_EN0, 19);
 432         clk[ZX296702_DDR3_WCLK] =
 433                 zx_gate("ddr3_wclk",            "ddr_wclk_mux", CLK_EN0, 20);
 434         clk[ZX296702_USB20_0_AHB_HCLK] =
 435                 zx_gate("usb20_0_ahb_hclk",     "main_hclk",    CLK_EN0, 21);
 436         clk[ZX296702_USB20_0_EXTREFCLK] =
 437                 zx_gate("usb20_0_extrefclk",    "clk_12",       CLK_EN0, 22);
 438         clk[ZX296702_USB20_1_AHB_HCLK] =
 439                 zx_gate("usb20_1_ahb_hclk",     "main_hclk",    CLK_EN0, 23);
 440         clk[ZX296702_USB20_1_EXTREFCLK] =
 441                 zx_gate("usb20_1_extrefclk",    "clk_12",       CLK_EN0, 24);
 442         clk[ZX296702_USB20_2_AHB_HCLK] =
 443                 zx_gate("usb20_2_ahb_hclk",     "main_hclk",    CLK_EN0, 25);
 444         clk[ZX296702_USB20_2_EXTREFCLK] =
 445                 zx_gate("usb20_2_extrefclk",    "clk_12",       CLK_EN0, 26);
 446         clk[ZX296702_GMAC_AXI_M_ACLK] =
 447                 zx_gate("gmac_axi_m_aclk",      "matrix_aclk",  CLK_EN0, 27);
 448         clk[ZX296702_GMAC_APB_PCLK] =
 449                 zx_gate("gmac_apb_pclk",        "main_pclk",    CLK_EN0, 28);
 450         clk[ZX296702_GMAC_125_CLKIN] =
 451                 zx_gate("gmac_125_clkin",       "clk_125",      CLK_EN0, 29);
 452         clk[ZX296702_GMAC_RMII_CLKIN] =
 453                 zx_gate("gmac_rmii_clkin",      "clk_50",       CLK_EN0, 30);
 454         clk[ZX296702_GMAC_25M_CLK] =
 455                 zx_gate("gmac_25M_clk",         "clk_25",       CLK_EN0, 31);
 456         clk[ZX296702_NANDFLASH_AHB_HCLK] =
 457                 zx_gate("nandflash_ahb_hclk", "main_hclk",      CLK_EN1, 0);
 458         clk[ZX296702_NANDFLASH_WCLK] =
 459                 zx_gate("nandflash_wclk",     "nand_wclk_mux",  CLK_EN1, 1);
 460         clk[ZX296702_LSP0_APB_PCLK] =
 461                 zx_gate("lsp0_apb_pclk",        "main_pclk",    CLK_EN1, 2);
 462         clk[ZX296702_LSP0_AHB_HCLK] =
 463                 zx_gate("lsp0_ahb_hclk",        "main_hclk",    CLK_EN1, 3);
 464         clk[ZX296702_LSP0_26M_WCLK] =
 465                 zx_gate("lsp0_26M_wclk",   "lsp_26_wclk_mux",   CLK_EN1, 4);
 466         clk[ZX296702_LSP0_104M_WCLK] =
 467                 zx_gate("lsp0_104M_wclk",       "pll_lsp_104M", CLK_EN1, 5);
 468         clk[ZX296702_LSP0_16M384_WCLK] =
 469                 zx_gate("lsp0_16M384_wclk",     "clk_16M384",   CLK_EN1, 6);
 470         clk[ZX296702_LSP1_APB_PCLK] =
 471                 zx_gate("lsp1_apb_pclk",        "main_pclk",    CLK_EN1, 7);
 472         /* FIXME: wclk enable bit is bit8. We hack it as reserved 31 for
 473          * UART does not work after parent clk is disabled/enabled */
 474         clk[ZX296702_LSP1_26M_WCLK] =
 475                 zx_gate("lsp1_26M_wclk",     "lsp_26_wclk_mux", CLK_EN1, 31);
 476         clk[ZX296702_LSP1_104M_WCLK] =
 477                 zx_gate("lsp1_104M_wclk",    "pll_lsp_104M",    CLK_EN1, 9);
 478         clk[ZX296702_LSP1_32K_CLK] =
 479                 zx_gate("lsp1_32K_clk", "clk_32K768",           CLK_EN1, 10);
 480         clk[ZX296702_AON_HCLK] =
 481                 zx_gate("aon_hclk",             "main_hclk",    CLK_EN1, 11);
 482         clk[ZX296702_SYS_CTRL_PCLK] =
 483                 zx_gate("sys_ctrl_pclk",        "main_pclk",    CLK_EN1, 12);
 484         clk[ZX296702_DMA_PCLK] =
 485                 zx_gate("dma_pclk",             "main_pclk",    CLK_EN1, 13);
 486         clk[ZX296702_DMA_ACLK] =
 487                 zx_gate("dma_aclk",             "matrix_aclk",  CLK_EN1, 14);
 488         clk[ZX296702_SEC_HCLK] =
 489                 zx_gate("sec_hclk",             "main_hclk",    CLK_EN1, 15);
 490         clk[ZX296702_AES_WCLK] =
 491                 zx_gate("aes_wclk",             "sec_wclk_div", CLK_EN1, 16);
 492         clk[ZX296702_DES_WCLK] =
 493                 zx_gate("des_wclk",             "sec_wclk_div", CLK_EN1, 17);
 494         clk[ZX296702_IRAM_ACLK] =
 495                 zx_gate("iram_aclk",            "matrix_aclk",  CLK_EN1, 18);
 496         clk[ZX296702_IROM_ACLK] =
 497                 zx_gate("irom_aclk",            "matrix_aclk",  CLK_EN1, 19);
 498         clk[ZX296702_BOOT_CTRL_HCLK] =
 499                 zx_gate("boot_ctrl_hclk",       "main_hclk",    CLK_EN1, 20);
 500         clk[ZX296702_EFUSE_CLK_30] =
 501                 zx_gate("efuse_clk_30", "osc",                  CLK_EN1, 21);
 502
 503         /* TODO: add VOU Local clocks */
 504         clk[ZX296702_VOU_MAIN_CHANNEL_DIV] =
 505                 zx_div("vou_main_channel_div", "vou_main_channel_wclk",
 506                                 VOU_LOCAL_DIV2_SET, 1, 1);
 507         clk[ZX296702_VOU_AUX_CHANNEL_DIV] =
 508                 zx_div("vou_aux_channel_div", "vou_aux_channel_wclk",
 509                                 VOU_LOCAL_DIV2_SET, 0, 1);
 510         clk[ZX296702_VOU_TV_ENC_HD_DIV] =
 511                 zx_div("vou_tv_enc_hd_div", "vou_tv_enc_hd_mux",
 512                                 VOU_LOCAL_DIV2_SET, 3, 1);
 513         clk[ZX296702_VOU_TV_ENC_SD_DIV] =
 514                 zx_div("vou_tv_enc_sd_div", "vou_tv_enc_sd_mux",
 515                                 VOU_LOCAL_DIV2_SET, 2, 1);
 516         clk[ZX296702_VL0_MUX] =
 517                 zx_mux("vl0_mux", vl0_sel, ARRAY_SIZE(vl0_sel),
 518                                 VOU_LOCAL_CLKSEL, 8, 1);
 519         clk[ZX296702_VL1_MUX] =
 520                 zx_mux("vl1_mux", vl0_sel, ARRAY_SIZE(vl0_sel),
 521                                 VOU_LOCAL_CLKSEL, 9, 1);
 522         clk[ZX296702_VL2_MUX] =
 523                 zx_mux("vl2_mux", vl0_sel, ARRAY_SIZE(vl0_sel),
 524                                 VOU_LOCAL_CLKSEL, 10, 1);
 525         clk[ZX296702_GL0_MUX] =
 526                 zx_mux("gl0_mux", vl0_sel, ARRAY_SIZE(vl0_sel),
 527                                 VOU_LOCAL_CLKSEL, 5, 1);
 528         clk[ZX296702_GL1_MUX] =
 529                 zx_mux("gl1_mux", vl0_sel, ARRAY_SIZE(vl0_sel),
 530                                 VOU_LOCAL_CLKSEL, 6, 1);
 531         clk[ZX296702_GL2_MUX] =
 532                 zx_mux("gl2_mux", vl0_sel, ARRAY_SIZE(vl0_sel),
 533                                 VOU_LOCAL_CLKSEL, 7, 1);
 534         clk[ZX296702_WB_MUX] =
 535                 zx_mux("wb_mux",  vl0_sel, ARRAY_SIZE(vl0_sel),
 536                                 VOU_LOCAL_CLKSEL, 11, 1);
 537         clk[ZX296702_HDMI_MUX] =
 538                 zx_mux("hdmi_mux", hdmi_sel, ARRAY_SIZE(hdmi_sel),
 539                                 VOU_LOCAL_CLKSEL, 4, 1);
 540         clk[ZX296702_VOU_TV_ENC_HD_MUX] =
 541                 zx_mux("vou_tv_enc_hd_mux", hdmi_sel, ARRAY_SIZE(hdmi_sel),
 542                                 VOU_LOCAL_CLKSEL, 3, 1);
 543         clk[ZX296702_VOU_TV_ENC_SD_MUX] =
 544                 zx_mux("vou_tv_enc_sd_mux", hdmi_sel, ARRAY_SIZE(hdmi_sel),
 545                                 VOU_LOCAL_CLKSEL, 2, 1);
 546         clk[ZX296702_VL0_CLK] =
 547                 zx_gate("vl0_clk", "vl0_mux", VOU_LOCAL_CLKEN, 8);
 548         clk[ZX296702_VL1_CLK] =
 549                 zx_gate("vl1_clk", "vl1_mux", VOU_LOCAL_CLKEN, 9);
 550         clk[ZX296702_VL2_CLK] =
 551                 zx_gate("vl2_clk", "vl2_mux", VOU_LOCAL_CLKEN, 10);
 552         clk[ZX296702_GL0_CLK] =
 553                 zx_gate("gl0_clk", "gl0_mux", VOU_LOCAL_CLKEN, 5);
 554         clk[ZX296702_GL1_CLK] =
 555                 zx_gate("gl1_clk", "gl1_mux", VOU_LOCAL_CLKEN, 6);
 556         clk[ZX296702_GL2_CLK] =
 557                 zx_gate("gl2_clk", "gl2_mux", VOU_LOCAL_CLKEN, 7);
 558         clk[ZX296702_WB_CLK] =
 559                 zx_gate("wb_clk", "wb_mux", VOU_LOCAL_CLKEN, 11);
 560         clk[ZX296702_CL_CLK] =
 561                 zx_gate("cl_clk", "vou_main_channel_div", VOU_LOCAL_CLKEN, 12);
 562         clk[ZX296702_MAIN_MIX_CLK] =
 563                 zx_gate("main_mix_clk", "vou_main_channel_div",
 564                                 VOU_LOCAL_CLKEN, 4);
 565         clk[ZX296702_AUX_MIX_CLK] =
 566                 zx_gate("aux_mix_clk", "vou_aux_channel_div",
 567                                 VOU_LOCAL_CLKEN, 3);
 568         clk[ZX296702_HDMI_CLK] =
 569                 zx_gate("hdmi_clk", "hdmi_mux", VOU_LOCAL_CLKEN, 2);
 570         clk[ZX296702_VOU_TV_ENC_HD_DAC_CLK] =
 571                 zx_gate("vou_tv_enc_hd_dac_clk", "vou_tv_enc_hd_div",
 572                                 VOU_LOCAL_CLKEN, 1);
 573         clk[ZX296702_VOU_TV_ENC_SD_DAC_CLK] =
 574                 zx_gate("vou_tv_enc_sd_dac_clk", "vou_tv_enc_sd_div",
 575                                 VOU_LOCAL_CLKEN, 0);
 576
 577         /* CA9 PERIPHCLK = a9_wclk / 2 */
 578         clk[ZX296702_A9_PERIPHCLK] =
 579                 clk_register_fixed_factor(NULL, "a9_periphclk", "a9_wclk",
 580                                 0, 1, 2);
 581
 582         for (i = 0; i < ARRAY_SIZE(topclk); i++) {
 583                 if (IS_ERR(clk[i])) {
 584                         pr_err("zx296702 clk %d: register failed with %ld\n",
 585                                 i, PTR_ERR(clk[i]));
 586                         return;
 587                 }
 588         }
 589
 590         topclk_data.clks = topclk;
 591         topclk_data.clk_num = ARRAY_SIZE(topclk);
 592         of_clk_add_provider(np, of_clk_src_onecell_get, &topclk_data);
 593 }
 594 CLK_OF_DECLARE(zx296702_top_clk, "zte,zx296702-topcrm-clk",
 595                 zx296702_top_clocks_init);
 596
 597 static void __init zx296702_lsp0_clocks_init(struct device_node *np)
 598 {
 599         struct clk **clk = lsp0clk;
 600         int i;
 601
 602         lsp0crpm_base = of_iomap(np, 0);
 603         WARN_ON(!lsp0crpm_base);
 604
 605         /* SDMMC1 */
 606         clk[ZX296702_SDMMC1_WCLK_MUX] =
 607                 zx_mux("sdmmc1_wclk_mux", sdmmc1_wclk_sel,
 608                                 ARRAY_SIZE(sdmmc1_wclk_sel), CLK_SDMMC1, 4, 1);
 609         clk[ZX296702_SDMMC1_WCLK_DIV] =
 610                 zx_div("sdmmc1_wclk_div", "sdmmc1_wclk_mux", CLK_SDMMC1, 12, 4);
 611         clk[ZX296702_SDMMC1_WCLK] =
 612                 zx_gate("sdmmc1_wclk", "sdmmc1_wclk_div", CLK_SDMMC1, 1);
 613         clk[ZX296702_SDMMC1_PCLK] =
 614                 zx_gate("sdmmc1_pclk", "lsp0_apb_pclk", CLK_SDMMC1, 0);
 615
 616         clk[ZX296702_GPIO_CLK] =
 617                 zx_gate("gpio_clk", "lsp0_apb_pclk", CLK_GPIO, 0);
 618
 619         /* SPDIF */
 620         clk[ZX296702_SPDIF0_WCLK_MUX] =
 621                 zx_mux("spdif0_wclk_mux", spdif0_wclk_sel,
 622                                 ARRAY_SIZE(spdif0_wclk_sel), CLK_SPDIF0, 4, 1);
 623         clk[ZX296702_SPDIF0_WCLK] =
 624                 zx_gate("spdif0_wclk", "spdif0_wclk_mux", CLK_SPDIF0, 1);
 625         clk[ZX296702_SPDIF0_PCLK] =
 626                 zx_gate("spdif0_pclk", "lsp0_apb_pclk", CLK_SPDIF0, 0);
 627
 628         clk[ZX296702_SPDIF0_DIV] =
 629                 clk_register_zx_audio("spdif0_div", "spdif0_wclk", 0,
 630                                 SPDIF0_DIV);
 631
 632         /* I2S */
 633         clk[ZX296702_I2S0_WCLK_MUX] =
 634                 zx_mux("i2s0_wclk_mux", i2s_wclk_sel,
 635                                 ARRAY_SIZE(i2s_wclk_sel), CLK_I2S0, 4, 1);
 636         clk[ZX296702_I2S0_WCLK] =
 637                 zx_gate("i2s0_wclk", "i2s0_wclk_mux", CLK_I2S0, 1);
 638         clk[ZX296702_I2S0_PCLK] =
 639                 zx_gate("i2s0_pclk", "lsp0_apb_pclk", CLK_I2S0, 0);
 640
 641         clk[ZX296702_I2S0_DIV] =
 642                 clk_register_zx_audio("i2s0_div", "i2s0_wclk", 0, I2S0_DIV);
 643
 644         clk[ZX296702_I2S1_WCLK_MUX] =
 645                 zx_mux("i2s1_wclk_mux", i2s_wclk_sel,
 646                                 ARRAY_SIZE(i2s_wclk_sel), CLK_I2S1, 4, 1);
 647         clk[ZX296702_I2S1_WCLK] =
 648                 zx_gate("i2s1_wclk", "i2s1_wclk_mux", CLK_I2S1, 1);
 649         clk[ZX296702_I2S1_PCLK] =
 650                 zx_gate("i2s1_pclk", "lsp0_apb_pclk", CLK_I2S1, 0);
 651
 652         clk[ZX296702_I2S1_DIV] =
 653                 clk_register_zx_audio("i2s1_div", "i2s1_wclk", 0, I2S1_DIV);
 654
 655         clk[ZX296702_I2S2_WCLK_MUX] =
 656                 zx_mux("i2s2_wclk_mux", i2s_wclk_sel,
 657                                 ARRAY_SIZE(i2s_wclk_sel), CLK_I2S2, 4, 1);
 658         clk[ZX296702_I2S2_WCLK] =
 659                 zx_gate("i2s2_wclk", "i2s2_wclk_mux", CLK_I2S2, 1);
 660         clk[ZX296702_I2S2_PCLK] =
 661                 zx_gate("i2s2_pclk", "lsp0_apb_pclk", CLK_I2S2, 0);
 662
 663         clk[ZX296702_I2S2_DIV] =
 664                 clk_register_zx_audio("i2s2_div", "i2s2_wclk", 0, I2S2_DIV);
 665
 666         for (i = 0; i < ARRAY_SIZE(lsp0clk); i++) {
 667                 if (IS_ERR(clk[i])) {
 668                         pr_err("zx296702 clk %d: register failed with %ld\n",
 669                                 i, PTR_ERR(clk[i]));
 670                         return;
 671                 }
 672         }
 673
 674         lsp0clk_data.clks = lsp0clk;
 675         lsp0clk_data.clk_num = ARRAY_SIZE(lsp0clk);
 676         of_clk_add_provider(np, of_clk_src_onecell_get, &lsp0clk_data);
 677 }
 678 CLK_OF_DECLARE(zx296702_lsp0_clk, "zte,zx296702-lsp0crpm-clk",
 679                 zx296702_lsp0_clocks_init);
 680
 681 static void __init zx296702_lsp1_clocks_init(struct device_node *np)
 682 {
 683         struct clk **clk = lsp1clk;
 684         int i;
 685
 686         lsp1crpm_base = of_iomap(np, 0);
 687         WARN_ON(!lsp1crpm_base);
 688
 689         /* UART0 */
 690         clk[ZX296702_UART0_WCLK_MUX] =
 691                 zx_mux("uart0_wclk_mux", uart_wclk_sel,
 692                                 ARRAY_SIZE(uart_wclk_sel), CLK_UART0, 4, 1);
 693         /* FIXME: uart wclk enable bit is bit1 in. We hack it as reserved 31 for
 694          * UART does not work after parent clk is disabled/enabled */
 695         clk[ZX296702_UART0_WCLK] =
 696                 zx_gate("uart0_wclk", "uart0_wclk_mux", CLK_UART0, 31);
 697         clk[ZX296702_UART0_PCLK] =
 698                 zx_gate("uart0_pclk", "lsp1_apb_pclk", CLK_UART0, 0);
 699
 700         /* UART1 */
 701         clk[ZX296702_UART1_WCLK_MUX] =
 702                 zx_mux("uart1_wclk_mux", uart_wclk_sel,
 703                                 ARRAY_SIZE(uart_wclk_sel), CLK_UART1, 4, 1);
 704         clk[ZX296702_UART1_WCLK] =
 705                 zx_gate("uart1_wclk", "uart1_wclk_mux", CLK_UART1, 1);
 706         clk[ZX296702_UART1_PCLK] =
 707                 zx_gate("uart1_pclk", "lsp1_apb_pclk", CLK_UART1, 0);
 708
 709         /* SDMMC0 */
 710         clk[ZX296702_SDMMC0_WCLK_MUX] =
 711                 zx_mux("sdmmc0_wclk_mux", sdmmc0_wclk_sel,
 712                                 ARRAY_SIZE(sdmmc0_wclk_sel), CLK_SDMMC0, 4, 1);
 713         clk[ZX296702_SDMMC0_WCLK_DIV] =
 714                 zx_div("sdmmc0_wclk_div", "sdmmc0_wclk_mux", CLK_SDMMC0, 12, 4);
 715         clk[ZX296702_SDMMC0_WCLK] =
 716                 zx_gate("sdmmc0_wclk", "sdmmc0_wclk_div", CLK_SDMMC0, 1);
 717         clk[ZX296702_SDMMC0_PCLK] =
 718                 zx_gate("sdmmc0_pclk", "lsp1_apb_pclk", CLK_SDMMC0, 0);
 719
 720         clk[ZX296702_SPDIF1_WCLK_MUX] =
 721                 zx_mux("spdif1_wclk_mux", spdif1_wclk_sel,
 722                                 ARRAY_SIZE(spdif1_wclk_sel), CLK_SPDIF1, 4, 1);
 723         clk[ZX296702_SPDIF1_WCLK] =
 724                 zx_gate("spdif1_wclk", "spdif1_wclk_mux", CLK_SPDIF1, 1);
 725         clk[ZX296702_SPDIF1_PCLK] =
 726                 zx_gate("spdif1_pclk", "lsp1_apb_pclk", CLK_SPDIF1, 0);
 727
 728         clk[ZX296702_SPDIF1_DIV] =
 729                 clk_register_zx_audio("spdif1_div", "spdif1_wclk", 0,
 730                                 SPDIF1_DIV);
 731
 732         for (i = 0; i < ARRAY_SIZE(lsp1clk); i++) {
 733                 if (IS_ERR(clk[i])) {
 734                         pr_err("zx296702 clk %d: register failed with %ld\n",
 735                                 i, PTR_ERR(clk[i]));
 736                         return;
 737                 }
 738         }
 739
 740         lsp1clk_data.clks = lsp1clk;
 741         lsp1clk_data.clk_num = ARRAY_SIZE(lsp1clk);
 742         of_clk_add_provider(np, of_clk_src_onecell_get, &lsp1clk_data);
 743 }
 744 CLK_OF_DECLARE(zx296702_lsp1_clk, "zte,zx296702-lsp1crpm-clk",
 745                 zx296702_lsp1_clocks_init);