uboot/drivers/clk/imx/clk-imx8mn.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Copyright 2019 NXP
   4 * Peng Fan <peng.fan@nxp.com>
   5 */
   6
   7#include <common.h>
   8#include <clk.h>
   9#include <clk-uclass.h>
  10#include <dm.h>
  11#include <log.h>
  12#include <asm/arch/clock.h>
  13#include <asm/arch/imx-regs.h>
  14#include <dt-bindings/clock/imx8mn-clock.h>
  15
  16#include "clk.h"
  17
  18#define PLL_1416X_RATE(_rate, _m, _p, _s)               \
  19        {                                               \
  20                .rate   =       (_rate),                \
  21                .mdiv   =       (_m),                   \
  22                .pdiv   =       (_p),                   \
  23                .sdiv   =       (_s),                   \
  24        }
  25
  26#define PLL_1443X_RATE(_rate, _m, _p, _s, _k)           \
  27        {                                               \
  28                .rate   =       (_rate),                \
  29                .mdiv   =       (_m),                   \
  30                .pdiv   =       (_p),                   \
  31                .sdiv   =       (_s),                   \
  32                .kdiv   =       (_k),                   \
  33        }
  34
  35static const struct imx_pll14xx_rate_table imx8mn_pll1416x_tbl[] = {
  36        PLL_1416X_RATE(1800000000U, 225, 3, 0),
  37        PLL_1416X_RATE(1600000000U, 200, 3, 0),
  38        PLL_1416X_RATE(1200000000U, 300, 3, 1),
  39        PLL_1416X_RATE(1000000000U, 250, 3, 1),
  40        PLL_1416X_RATE(800000000U,  200, 3, 1),
  41        PLL_1416X_RATE(750000000U,  250, 2, 2),
  42        PLL_1416X_RATE(700000000U,  350, 3, 2),
  43        PLL_1416X_RATE(600000000U,  300, 3, 2),
  44};
  45
  46static const struct imx_pll14xx_rate_table imx8mn_drampll_tbl[] = {
  47        PLL_1443X_RATE(650000000U, 325, 3, 2, 0),
  48};
  49
  50static struct imx_pll14xx_clk imx8mn_dram_pll __initdata = {
  51                .type = PLL_1443X,
  52                .rate_table = imx8mn_drampll_tbl,
  53                .rate_count = ARRAY_SIZE(imx8mn_drampll_tbl),
  54};
  55
  56static struct imx_pll14xx_clk imx8mn_arm_pll __initdata = {
  57                .type = PLL_1416X,
  58                .rate_table = imx8mn_pll1416x_tbl,
  59                .rate_count = ARRAY_SIZE(imx8mn_pll1416x_tbl),
  60};
  61
  62static struct imx_pll14xx_clk imx8mn_sys_pll __initdata = {
  63                .type = PLL_1416X,
  64                .rate_table = imx8mn_pll1416x_tbl,
  65                .rate_count = ARRAY_SIZE(imx8mn_pll1416x_tbl),
  66};
  67
  68static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", };
  69static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", };
  70static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", };
  71static const char *sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_sel", };
  72static const char *sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", };
  73static const char *sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", };
  74
  75static const char *imx8mn_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m",
  76                                        "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", };
  77
  78static const char *imx8mn_ahb_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_800m", "sys_pll1_400m",
  79                                        "sys_pll2_125m", "sys_pll3_out", "audio_pll1_out", "video_pll1_out", };
  80
  81static const char *imx8mn_enet_axi_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_250m",
  82                                             "sys_pll2_200m", "audio_pll1_out", "video_pll1_out", "sys_pll3_out", };
  83
  84#ifndef CONFIG_SPL_BUILD
  85static const char *imx8mn_enet_ref_sels[] = {"clock-osc-24m", "sys_pll2_125m", "sys_pll2_50m", "sys_pll2_100m",
  86                                             "sys_pll1_160m", "audio_pll1_out", "video_pll1_out", "clk_ext4", };
  87
  88static const char *imx8mn_enet_timer_sels[] = {"clock-osc-24m", "sys_pll2_100m", "audio_pll1_out", "clk_ext1", "clk_ext2",
  89                                               "clk_ext3", "clk_ext4", "video_pll1_out", };
  90
  91static const char *imx8mn_enet_phy_sels[] = {"clock-osc-24m", "sys_pll2_50m", "sys_pll2_125m", "sys_pll2_200m",
  92                                             "sys_pll2_500m", "video_pll1_out", "audio_pll2_out", };
  93#endif
  94
  95static const char *imx8mn_nand_usdhc_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_200m",
  96                                               "sys_pll1_133m", "sys_pll3_out", "sys_pll2_250m", "audio_pll1_out", };
  97
  98static const char * const imx8mn_usb_bus_sels[] = {"clock-osc-24m", "sys_pll2_500m", "sys_pll1_800m",
  99                                                "sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
 100                                                "clk_ext4", "audio_pll2_out", };
 101
 102static const char *imx8mn_usdhc1_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
 103                                           "sys_pll3_out", "sys_pll1_266m", "audio_pll2_out", "sys_pll1_100m", };
 104
 105static const char *imx8mn_usdhc2_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
 106                                           "sys_pll3_out", "sys_pll1_266m", "audio_pll2_out", "sys_pll1_100m", };
 107
 108static const char *imx8mn_i2c1_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
 109                                         "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
 110
 111static const char *imx8mn_i2c2_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
 112                                         "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
 113
 114static const char *imx8mn_i2c3_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
 115                                         "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
 116
 117static const char *imx8mn_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
 118                                         "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
 119
 120static const char *imx8mn_wdog_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_160m", "vpu_pll_out",
 121                                         "sys_pll2_125m", "sys_pll3_out", "sys_pll1_80m", "sys_pll2_166m", };
 122
 123static const char *imx8mn_usdhc3_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
 124                                           "sys_pll3_out", "sys_pll1_266m", "audio_pll2_clk", "sys_pll1_100m", };
 125
 126static const char *imx8mn_qspi_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll2_333m", "sys_pll2_500m",
 127                                           "audio_pll2_out", "sys_pll1_266m", "sys_pll3_out", "sys_pll1_100m", };
 128
 129static const char * const imx8mn_usb_core_sels[] = {"clock-osc-24m", "sys_pll1_100m", "sys_pll1_40m",
 130                                                "sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
 131                                                "clk_ext3", "audio_pll2_out", };
 132
 133static const char * const imx8mn_usb_phy_sels[] = {"clock-osc-24m", "sys_pll1_100m", "sys_pll1_40m",
 134                                                "sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
 135                                                "clk_ext3", "audio_pll2_out", };
 136
 137static ulong imx8mn_clk_get_rate(struct clk *clk)
 138{
 139        struct clk *c;
 140        int ret;
 141
 142        debug("%s(#%lu)\n", __func__, clk->id);
 143
 144        ret = clk_get_by_id(clk->id, &c);
 145        if (ret)
 146                return ret;
 147
 148        return clk_get_rate(c);
 149}
 150
 151static ulong imx8mn_clk_set_rate(struct clk *clk, unsigned long rate)
 152{
 153        struct clk *c;
 154        int ret;
 155
 156        debug("%s(#%lu), rate: %lu\n", __func__, clk->id, rate);
 157
 158        ret = clk_get_by_id(clk->id, &c);
 159        if (ret)
 160                return ret;
 161
 162        return clk_set_rate(c, rate);
 163}
 164
 165static int __imx8mn_clk_enable(struct clk *clk, bool enable)
 166{
 167        struct clk *c;
 168        int ret;
 169
 170        debug("%s(#%lu) en: %d\n", __func__, clk->id, enable);
 171
 172        ret = clk_get_by_id(clk->id, &c);
 173        if (ret)
 174                return ret;
 175
 176        if (enable)
 177                ret = clk_enable(c);
 178        else
 179                ret = clk_disable(c);
 180
 181        return ret;
 182}
 183
 184static int imx8mn_clk_disable(struct clk *clk)
 185{
 186        return __imx8mn_clk_enable(clk, 0);
 187}
 188
 189static int imx8mn_clk_enable(struct clk *clk)
 190{
 191        return __imx8mn_clk_enable(clk, 1);
 192}
 193
 194static int imx8mn_clk_set_parent(struct clk *clk, struct clk *parent)
 195{
 196        struct clk *c, *cp;
 197        int ret;
 198
 199        debug("%s(#%lu), parent: %lu\n", __func__, clk->id, parent->id);
 200
 201        ret = clk_get_by_id(clk->id, &c);
 202        if (ret)
 203                return ret;
 204
 205        ret = clk_get_by_id(parent->id, &cp);
 206        if (ret)
 207                return ret;
 208
 209        ret = clk_set_parent(c, cp);
 210        c->dev->parent = cp->dev;
 211
 212        return ret;
 213}
 214
 215static struct clk_ops imx8mn_clk_ops = {
 216        .set_rate = imx8mn_clk_set_rate,
 217        .get_rate = imx8mn_clk_get_rate,
 218        .enable = imx8mn_clk_enable,
 219        .disable = imx8mn_clk_disable,
 220        .set_parent = imx8mn_clk_set_parent,
 221};
 222
 223static int imx8mn_clk_probe(struct udevice *dev)
 224{
 225        void __iomem *base;
 226
 227        base = (void *)ANATOP_BASE_ADDR;
 228
 229        clk_dm(IMX8MN_DRAM_PLL_REF_SEL,
 230               imx_clk_mux("dram_pll_ref_sel", base + 0x50, 0, 2,
 231                           pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
 232        clk_dm(IMX8MN_ARM_PLL_REF_SEL,
 233               imx_clk_mux("arm_pll_ref_sel", base + 0x84, 0, 2,
 234                           pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
 235        clk_dm(IMX8MN_SYS_PLL1_REF_SEL,
 236               imx_clk_mux("sys_pll1_ref_sel", base + 0x94, 0, 2,
 237                           pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
 238        clk_dm(IMX8MN_SYS_PLL2_REF_SEL,
 239               imx_clk_mux("sys_pll2_ref_sel", base + 0x104, 0, 2,
 240                           pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
 241        clk_dm(IMX8MN_SYS_PLL3_REF_SEL,
 242               imx_clk_mux("sys_pll3_ref_sel", base + 0x114, 0, 2,
 243                           pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
 244
 245        clk_dm(IMX8MN_DRAM_PLL,
 246               imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel",
 247                               base + 0x50, &imx8mn_dram_pll));
 248        clk_dm(IMX8MN_ARM_PLL,
 249               imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel",
 250                               base + 0x84, &imx8mn_arm_pll));
 251        clk_dm(IMX8MN_SYS_PLL1,
 252               imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel",
 253                               base + 0x94, &imx8mn_sys_pll));
 254        clk_dm(IMX8MN_SYS_PLL2,
 255               imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel",
 256                               base + 0x104, &imx8mn_sys_pll));
 257        clk_dm(IMX8MN_SYS_PLL3,
 258               imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel",
 259                               base + 0x114, &imx8mn_sys_pll));
 260
 261        /* PLL bypass out */
 262        clk_dm(IMX8MN_DRAM_PLL_BYPASS,
 263               imx_clk_mux_flags("dram_pll_bypass", base + 0x50, 4, 1,
 264                                 dram_pll_bypass_sels,
 265                                 ARRAY_SIZE(dram_pll_bypass_sels),
 266                                 CLK_SET_RATE_PARENT));
 267        clk_dm(IMX8MN_ARM_PLL_BYPASS,
 268               imx_clk_mux_flags("arm_pll_bypass", base + 0x84, 4, 1,
 269                                 arm_pll_bypass_sels,
 270                                 ARRAY_SIZE(arm_pll_bypass_sels),
 271                                 CLK_SET_RATE_PARENT));
 272        clk_dm(IMX8MN_SYS_PLL1_BYPASS,
 273               imx_clk_mux_flags("sys_pll1_bypass", base + 0x94, 4, 1,
 274                                 sys_pll1_bypass_sels,
 275                                 ARRAY_SIZE(sys_pll1_bypass_sels),
 276                                 CLK_SET_RATE_PARENT));
 277        clk_dm(IMX8MN_SYS_PLL2_BYPASS,
 278               imx_clk_mux_flags("sys_pll2_bypass", base + 0x104, 4, 1,
 279                                 sys_pll2_bypass_sels,
 280                                 ARRAY_SIZE(sys_pll2_bypass_sels),
 281                                 CLK_SET_RATE_PARENT));
 282        clk_dm(IMX8MN_SYS_PLL3_BYPASS,
 283               imx_clk_mux_flags("sys_pll3_bypass", base + 0x114, 4, 1,
 284                                 sys_pll3_bypass_sels,
 285                                 ARRAY_SIZE(sys_pll3_bypass_sels),
 286                                 CLK_SET_RATE_PARENT));
 287
 288        /* PLL out gate */
 289        clk_dm(IMX8MN_DRAM_PLL_OUT,
 290               imx_clk_gate("dram_pll_out", "dram_pll_bypass",
 291                            base + 0x50, 13));
 292        clk_dm(IMX8MN_ARM_PLL_OUT,
 293               imx_clk_gate("arm_pll_out", "arm_pll_bypass",
 294                            base + 0x84, 11));
 295        clk_dm(IMX8MN_SYS_PLL1_OUT,
 296               imx_clk_gate("sys_pll1_out", "sys_pll1_bypass",
 297                            base + 0x94, 11));
 298        clk_dm(IMX8MN_SYS_PLL2_OUT,
 299               imx_clk_gate("sys_pll2_out", "sys_pll2_bypass",
 300                            base + 0x104, 11));
 301        clk_dm(IMX8MN_SYS_PLL3_OUT,
 302               imx_clk_gate("sys_pll3_out", "sys_pll3_bypass",
 303                            base + 0x114, 11));
 304
 305        /* SYS PLL fixed output */
 306        clk_dm(IMX8MN_SYS_PLL1_40M,
 307               imx_clk_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20));
 308        clk_dm(IMX8MN_SYS_PLL1_80M,
 309               imx_clk_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10));
 310        clk_dm(IMX8MN_SYS_PLL1_100M,
 311               imx_clk_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8));
 312        clk_dm(IMX8MN_SYS_PLL1_133M,
 313               imx_clk_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6));
 314        clk_dm(IMX8MN_SYS_PLL1_160M,
 315               imx_clk_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5));
 316        clk_dm(IMX8MN_SYS_PLL1_200M,
 317               imx_clk_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4));
 318        clk_dm(IMX8MN_SYS_PLL1_266M,
 319               imx_clk_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3));
 320        clk_dm(IMX8MN_SYS_PLL1_400M,
 321               imx_clk_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2));
 322        clk_dm(IMX8MN_SYS_PLL1_800M,
 323               imx_clk_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1));
 324
 325        clk_dm(IMX8MN_SYS_PLL2_50M,
 326               imx_clk_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20));
 327        clk_dm(IMX8MN_SYS_PLL2_100M,
 328               imx_clk_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10));
 329        clk_dm(IMX8MN_SYS_PLL2_125M,
 330               imx_clk_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8));
 331        clk_dm(IMX8MN_SYS_PLL2_166M,
 332               imx_clk_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6));
 333        clk_dm(IMX8MN_SYS_PLL2_200M,
 334               imx_clk_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5));
 335        clk_dm(IMX8MN_SYS_PLL2_250M,
 336               imx_clk_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4));
 337        clk_dm(IMX8MN_SYS_PLL2_333M,
 338               imx_clk_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3));
 339        clk_dm(IMX8MN_SYS_PLL2_500M,
 340               imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2));
 341        clk_dm(IMX8MN_SYS_PLL2_1000M,
 342               imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1));
 343
 344        base = dev_read_addr_ptr(dev);
 345        if (!base)
 346                return -EINVAL;
 347
 348        clk_dm(IMX8MN_CLK_A53_SRC,
 349               imx_clk_mux2("arm_a53_src", base + 0x8000, 24, 3,
 350                            imx8mn_a53_sels, ARRAY_SIZE(imx8mn_a53_sels)));
 351        clk_dm(IMX8MN_CLK_A53_CG,
 352               imx_clk_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28));
 353        clk_dm(IMX8MN_CLK_A53_DIV,
 354               imx_clk_divider2("arm_a53_div", "arm_a53_cg",
 355                                base + 0x8000, 0, 3));
 356
 357        clk_dm(IMX8MN_CLK_AHB,
 358               imx8m_clk_composite_critical("ahb", imx8mn_ahb_sels,
 359                                            base + 0x9000));
 360        clk_dm(IMX8MN_CLK_IPG_ROOT,
 361               imx_clk_divider2("ipg_root", "ahb", base + 0x9080, 0, 1));
 362
 363        clk_dm(IMX8MN_CLK_ENET_AXI,
 364               imx8m_clk_composite("enet_axi", imx8mn_enet_axi_sels,
 365                                   base + 0x8880));
 366        clk_dm(IMX8MN_CLK_NAND_USDHC_BUS,
 367               imx8m_clk_composite_critical("nand_usdhc_bus",
 368                                            imx8mn_nand_usdhc_sels,
 369                                            base + 0x8900));
 370        clk_dm(IMX8MN_CLK_USB_BUS,
 371                imx8m_clk_composite("usb_bus", imx8mn_usb_bus_sels, base + 0x8b80));
 372
 373        /* IP */
 374        clk_dm(IMX8MN_CLK_USDHC1,
 375               imx8m_clk_composite("usdhc1", imx8mn_usdhc1_sels,
 376                                   base + 0xac00));
 377        clk_dm(IMX8MN_CLK_USDHC2,
 378               imx8m_clk_composite("usdhc2", imx8mn_usdhc2_sels,
 379                                   base + 0xac80));
 380        clk_dm(IMX8MN_CLK_I2C1,
 381               imx8m_clk_composite("i2c1", imx8mn_i2c1_sels, base + 0xad00));
 382        clk_dm(IMX8MN_CLK_I2C2,
 383               imx8m_clk_composite("i2c2", imx8mn_i2c2_sels, base + 0xad80));
 384        clk_dm(IMX8MN_CLK_I2C3,
 385               imx8m_clk_composite("i2c3", imx8mn_i2c3_sels, base + 0xae00));
 386        clk_dm(IMX8MN_CLK_I2C4,
 387               imx8m_clk_composite("i2c4", imx8mn_i2c4_sels, base + 0xae80));
 388        clk_dm(IMX8MN_CLK_WDOG,
 389               imx8m_clk_composite("wdog", imx8mn_wdog_sels, base + 0xb900));
 390        clk_dm(IMX8MN_CLK_USDHC3,
 391               imx8m_clk_composite("usdhc3", imx8mn_usdhc3_sels,
 392                                   base + 0xbc80));
 393        clk_dm(IMX8MN_CLK_QSPI,
 394               imx8m_clk_composite("qspi", imx8mn_qspi_sels, base + 0xab80));
 395        clk_dm(IMX8MN_CLK_USB_CORE_REF,
 396                imx8m_clk_composite("usb_core_ref", imx8mn_usb_core_sels, base + 0xb100));
 397        clk_dm(IMX8MN_CLK_USB_PHY_REF,
 398                imx8m_clk_composite("usb_phy_ref", imx8mn_usb_phy_sels, base + 0xb180));
 399
 400        clk_dm(IMX8MN_CLK_I2C1_ROOT,
 401               imx_clk_gate4("i2c1_root_clk", "i2c1", base + 0x4170, 0));
 402        clk_dm(IMX8MN_CLK_I2C2_ROOT,
 403               imx_clk_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0));
 404        clk_dm(IMX8MN_CLK_I2C3_ROOT,
 405               imx_clk_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0));
 406        clk_dm(IMX8MN_CLK_I2C4_ROOT,
 407               imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0));
 408        clk_dm(IMX8MN_CLK_OCOTP_ROOT,
 409               imx_clk_gate4("ocotp_root_clk", "ipg_root", base + 0x4220, 0));
 410        clk_dm(IMX8MN_CLK_USDHC1_ROOT,
 411               imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0));
 412        clk_dm(IMX8MN_CLK_USDHC2_ROOT,
 413               imx_clk_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0));
 414        clk_dm(IMX8MN_CLK_WDOG1_ROOT,
 415               imx_clk_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0));
 416        clk_dm(IMX8MN_CLK_WDOG2_ROOT,
 417               imx_clk_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0));
 418        clk_dm(IMX8MN_CLK_WDOG3_ROOT,
 419               imx_clk_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0));
 420        clk_dm(IMX8MN_CLK_USDHC3_ROOT,
 421               imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));
 422        clk_dm(IMX8MN_CLK_QSPI_ROOT,
 423               imx_clk_gate4("qspi_root_clk", "qspi", base + 0x42f0, 0));
 424        clk_dm(IMX8MN_CLK_USB1_CTRL_ROOT,
 425                imx_clk_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0));
 426
 427        /* clks not needed in SPL stage */
 428#ifndef CONFIG_SPL_BUILD
 429        clk_dm(IMX8MN_CLK_ENET_REF,
 430               imx8m_clk_composite("enet_ref", imx8mn_enet_ref_sels,
 431               base + 0xa980));
 432        clk_dm(IMX8MN_CLK_ENET_TIMER,
 433               imx8m_clk_composite("enet_timer", imx8mn_enet_timer_sels,
 434               base + 0xaa00));
 435        clk_dm(IMX8MN_CLK_ENET_PHY_REF,
 436               imx8m_clk_composite("enet_phy", imx8mn_enet_phy_sels,
 437               base + 0xaa80));
 438        clk_dm(IMX8MN_CLK_ENET1_ROOT,
 439               imx_clk_gate4("enet1_root_clk", "enet_axi",
 440               base + 0x40a0, 0));
 441#endif
 442
 443        return 0;
 444}
 445
 446static const struct udevice_id imx8mn_clk_ids[] = {
 447        { .compatible = "fsl,imx8mn-ccm" },
 448        { },
 449};
 450
 451U_BOOT_DRIVER(imx8mn_clk) = {
 452        .name = "clk_imx8mn",
 453        .id = UCLASS_CLK,
 454        .of_match = imx8mn_clk_ids,
 455        .ops = &imx8mn_clk_ops,
 456        .probe = imx8mn_clk_probe,
 457        .flags = DM_FLAG_PRE_RELOC,
 458};
 459