drivers/clk/imx/clk-imx6q.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright 2011-2013 Freescale Semiconductor, Inc.
   4  * Copyright 2011 Linaro Ltd.
   5  */
   6
   7 #include <linux/init.h>
   8 #include <linux/types.h>
   9 #include <linux/bits.h>
  10 #include <linux/clk.h>
  11 #include <linux/clkdev.h>
  12 #include <linux/clk-provider.h>
  13 #include <linux/err.h>
  14 #include <linux/io.h>
  15 #include <linux/of.h>
  16 #include <linux/of_address.h>
  17 #include <linux/of_irq.h>
  18 #include <soc/imx/revision.h>
  19 #include <dt-bindings/clock/imx6qdl-clock.h>
  20
  21 #include "clk.h"
  22
  23 static const char *step_sels[]  = { "osc", "pll2_pfd2_396m", };
  24 static const char *pll1_sw_sels[]       = { "pll1_sys", "step", };
  25 static const char *periph_pre_sels[]    = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", };
  26 static const char *periph_clk2_sels[]   = { "pll3_usb_otg", "osc", "osc", "dummy", };
  27 static const char *periph2_clk2_sels[]  = { "pll3_usb_otg", "pll2_bus", };
  28 static const char *periph_sels[]        = { "periph_pre", "periph_clk2", };
  29 static const char *periph2_sels[]       = { "periph2_pre", "periph2_clk2", };
  30 static const char *axi_sels[]           = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", };
  31 static const char *audio_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
  32 static const char *gpu_axi_sels[]       = { "axi", "ahb", };
  33 static const char *pre_axi_sels[]       = { "axi", "ahb", };
  34 static const char *gpu2d_core_sels[]    = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", };
  35 static const char *gpu2d_core_sels_2[]  = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m",};
  36 static const char *gpu3d_core_sels[]    = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
  37 static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", };
  38 static const char *ipu_sels[]           = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
  39 static const char *ldb_di_sels[]        = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
  40 static const char *ipu_di_pre_sels[]    = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
  41 static const char *ipu1_di0_sels[]      = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
  42 static const char *ipu1_di1_sels[]      = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
  43 static const char *ipu2_di0_sels[]      = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
  44 static const char *ipu2_di1_sels[]      = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
  45 static const char *ipu1_di0_sels_2[]    = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
  46 static const char *ipu1_di1_sels_2[]    = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
  47 static const char *ipu2_di0_sels_2[]    = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
  48 static const char *ipu2_di1_sels_2[]    = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
  49 static const char *hsi_tx_sels[]        = { "pll3_120m", "pll2_pfd2_396m", };
  50 static const char *pcie_axi_sels[]      = { "axi", "ahb", };
  51 static const char *ssi_sels[]           = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", };
  52 static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
  53 static const char *enfc_sels[]  = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", };
  54 static const char *enfc_sels_2[] = {"pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", "pll3_pfd3_454m", "dummy", };
  55 static const char *eim_sels[]           = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", };
  56 static const char *eim_slow_sels[]      = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", };
  57 static const char *vdo_axi_sels[]       = { "axi", "ahb", };
  58 static const char *vpu_axi_sels[]       = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", };
  59 static const char *uart_sels[] = { "pll3_80m", "osc", };
  60 static const char *ipg_per_sels[] = { "ipg", "osc", };
  61 static const char *ecspi_sels[] = { "pll3_60m", "osc", };
  62 static const char *can_sels[] = { "pll3_60m", "osc", "pll3_80m", };
  63 static const char *cko1_sels[]  = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
  64                                     "video_27m", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
  65                                     "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio_div", };
  66 static const char *cko2_sels[] = {
  67         "mmdc_ch0_axi", "mmdc_ch1_axi", "usdhc4", "usdhc1",
  68         "gpu2d_axi", "dummy", "ecspi_root", "gpu3d_axi",
  69         "usdhc3", "dummy", "arm", "ipu1",
  70         "ipu2", "vdo_axi", "osc", "gpu2d_core",
  71         "gpu3d_core", "usdhc2", "ssi1", "ssi2",
  72         "ssi3", "gpu3d_shader", "vpu_axi", "can_root",
  73         "ldb_di0", "ldb_di1", "esai_extal", "eim_slow",
  74         "uart_serial", "spdif", "asrc", "hsi_tx",
  75 };
  76 static const char *cko_sels[] = { "cko1", "cko2", };
  77 static const char *lvds_sels[] = {
  78         "dummy", "dummy", "dummy", "dummy", "dummy", "dummy",
  79         "pll4_audio", "pll5_video", "pll8_mlb", "enet_ref",
  80         "pcie_ref_125m", "sata_ref_100m",  "usbphy1", "usbphy2",
  81         "dummy", "dummy", "dummy", "dummy", "osc",
  82 };
  83 static const char *pll_bypass_src_sels[] = { "osc", "lvds1_in", "lvds2_in", "dummy", };
  84 static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", };
  85 static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", };
  86 static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", };
  87 static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", };
  88 static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", };
  89 static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", };
  90 static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
  91
  92 static struct clk_hw **hws;
  93 static struct clk_hw_onecell_data *clk_hw_data;
  94
  95 static struct clk_div_table clk_enet_ref_table[] = {
  96         { .val = 0, .div = 20, },
  97         { .val = 1, .div = 10, },
  98         { .val = 2, .div = 5, },
  99         { .val = 3, .div = 4, },
 100         { /* sentinel */ }
 101 };
 102
 103 static struct clk_div_table post_div_table[] = {
 104         { .val = 2, .div = 1, },
 105         { .val = 1, .div = 2, },
 106         { .val = 0, .div = 4, },
 107         { /* sentinel */ }
 108 };
 109
 110 static struct clk_div_table video_div_table[] = {
 111         { .val = 0, .div = 1, },
 112         { .val = 1, .div = 2, },
 113         { .val = 2, .div = 1, },
 114         { .val = 3, .div = 4, },
 115         { /* sentinel */ }
 116 };
 117
 118 static unsigned int share_count_esai;
 119 static unsigned int share_count_asrc;
 120 static unsigned int share_count_ssi1;
 121 static unsigned int share_count_ssi2;
 122 static unsigned int share_count_ssi3;
 123 static unsigned int share_count_mipi_core_cfg;
 124 static unsigned int share_count_spdif;
 125 static unsigned int share_count_prg0;
 126 static unsigned int share_count_prg1;
 127
 128 static inline int clk_on_imx6q(void)
 129 {
 130         return of_machine_is_compatible("fsl,imx6q");
 131 }
 132
 133 static inline int clk_on_imx6qp(void)
 134 {
 135         return of_machine_is_compatible("fsl,imx6qp");
 136 }
 137
 138 static inline int clk_on_imx6dl(void)
 139 {
 140         return of_machine_is_compatible("fsl,imx6dl");
 141 }
 142
 143 static const int uart_clk_ids[] __initconst = {
 144         IMX6QDL_CLK_UART_IPG,
 145         IMX6QDL_CLK_UART_SERIAL,
 146 };
 147
 148 static struct clk **uart_clks[ARRAY_SIZE(uart_clk_ids) + 1] __initdata;
 149
 150 static int ldb_di_sel_by_clock_id(int clock_id)
 151 {
 152         switch (clock_id) {
 153         case IMX6QDL_CLK_PLL5_VIDEO_DIV:
 154                 if (clk_on_imx6q() &&
 155                     imx_get_soc_revision() == IMX_CHIP_REVISION_1_0)
 156                         return -ENOENT;
 157                 return 0;
 158         case IMX6QDL_CLK_PLL2_PFD0_352M:
 159                 return 1;
 160         case IMX6QDL_CLK_PLL2_PFD2_396M:
 161                 return 2;
 162         case IMX6QDL_CLK_MMDC_CH1_AXI:
 163                 return 3;
 164         case IMX6QDL_CLK_PLL3_USB_OTG:
 165                 return 4;
 166         default:
 167                 return -ENOENT;
 168         }
 169 }
 170
 171 static void of_assigned_ldb_sels(struct device_node *node,
 172                                  unsigned int *ldb_di0_sel,
 173                                  unsigned int *ldb_di1_sel)
 174 {
 175         struct of_phandle_args clkspec;
 176         int index, rc, num_parents;
 177         int parent, child, sel;
 178
 179         num_parents = of_count_phandle_with_args(node, "assigned-clock-parents",
 180                                                  "#clock-cells");
 181         for (index = 0; index < num_parents; index++) {
 182                 rc = of_parse_phandle_with_args(node, "assigned-clock-parents",
 183                                         "#clock-cells", index, &clkspec);
 184                 if (rc < 0) {
 185                         /* skip empty (null) phandles */
 186                         if (rc == -ENOENT)
 187                                 continue;
 188                         else
 189                                 return;
 190                 }
 191                 if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) {
 192                         pr_err("ccm: parent clock %d not in ccm\n", index);
 193                         return;
 194                 }
 195                 parent = clkspec.args[0];
 196
 197                 rc = of_parse_phandle_with_args(node, "assigned-clocks",
 198                                 "#clock-cells", index, &clkspec);
 199                 if (rc < 0)
 200                         return;
 201                 if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) {
 202                         pr_err("ccm: child clock %d not in ccm\n", index);
 203                         return;
 204                 }
 205                 child = clkspec.args[0];
 206
 207                 if (child != IMX6QDL_CLK_LDB_DI0_SEL &&
 208                     child != IMX6QDL_CLK_LDB_DI1_SEL)
 209                         continue;
 210
 211                 sel = ldb_di_sel_by_clock_id(parent);
 212                 if (sel < 0) {
 213                         pr_err("ccm: invalid ldb_di%d parent clock: %d\n",
 214                                child == IMX6QDL_CLK_LDB_DI1_SEL, parent);
 215                         continue;
 216                 }
 217
 218                 if (child == IMX6QDL_CLK_LDB_DI0_SEL)
 219                         *ldb_di0_sel = sel;
 220                 if (child == IMX6QDL_CLK_LDB_DI1_SEL)
 221                         *ldb_di1_sel = sel;
 222         }
 223 }
 224
 225 static bool pll6_bypassed(struct device_node *node)
 226 {
 227         int index, ret, num_clocks;
 228         struct of_phandle_args clkspec;
 229
 230         num_clocks = of_count_phandle_with_args(node, "assigned-clocks",
 231                                                 "#clock-cells");
 232         if (num_clocks < 0)
 233                 return false;
 234
 235         for (index = 0; index < num_clocks; index++) {
 236                 ret = of_parse_phandle_with_args(node, "assigned-clocks",
 237                                                  "#clock-cells", index,
 238                                                  &clkspec);
 239                 if (ret < 0)
 240                         return false;
 241
 242                 if (clkspec.np == node &&
 243                     clkspec.args[0] == IMX6QDL_PLL6_BYPASS)
 244                         break;
 245         }
 246
 247         /* PLL6 bypass is not part of the assigned clock list */
 248         if (index == num_clocks)
 249                 return false;
 250
 251         ret = of_parse_phandle_with_args(node, "assigned-clock-parents",
 252                                          "#clock-cells", index, &clkspec);
 253
 254         if (clkspec.args[0] != IMX6QDL_CLK_PLL6)
 255                 return true;
 256
 257         return false;
 258 }
 259
 260 #define CCM_CCSR                0x0c
 261 #define CCM_CS2CDR              0x2c
 262
 263 #define CCSR_PLL3_SW_CLK_SEL            BIT(0)
 264
 265 #define CS2CDR_LDB_DI0_CLK_SEL_SHIFT    9
 266 #define CS2CDR_LDB_DI1_CLK_SEL_SHIFT    12
 267
 268 /*
 269  * The only way to disable the MMDC_CH1 clock is to move it to pll3_sw_clk
 270  * via periph2_clk2_sel and then to disable pll3_sw_clk by selecting the
 271  * bypass clock source, since there is no CG bit for mmdc_ch1.
 272  */
 273 static void mmdc_ch1_disable(void __iomem *ccm_base)
 274 {
 275         unsigned int reg;
 276
 277         clk_set_parent(hws[IMX6QDL_CLK_PERIPH2_CLK2_SEL]->clk,
 278                        hws[IMX6QDL_CLK_PLL3_USB_OTG]->clk);
 279
 280         /* Disable pll3_sw_clk by selecting the bypass clock source */
 281         reg = readl_relaxed(ccm_base + CCM_CCSR);
 282         reg |= CCSR_PLL3_SW_CLK_SEL;
 283         writel_relaxed(reg, ccm_base + CCM_CCSR);
 284 }
 285
 286 static void mmdc_ch1_reenable(void __iomem *ccm_base)
 287 {
 288         unsigned int reg;
 289
 290         /* Enable pll3_sw_clk by disabling the bypass */
 291         reg = readl_relaxed(ccm_base + CCM_CCSR);
 292         reg &= ~CCSR_PLL3_SW_CLK_SEL;
 293         writel_relaxed(reg, ccm_base + CCM_CCSR);
 294 }
 295
 296 /*
 297  * We have to follow a strict procedure when changing the LDB clock source,
 298  * otherwise we risk introducing a glitch that can lock up the LDB divider.
 299  * Things to keep in mind:
 300  *
 301  * 1. The current and new parent clock inputs to the mux must be disabled.
 302  * 2. The default clock input for ldb_di0/1_clk_sel is mmdc_ch1_axi, which
 303  *    has no CG bit.
 304  * 3. pll2_pfd2_396m can not be gated if it is used as memory clock.
 305  * 4. In the RTL implementation of the LDB_DI_CLK_SEL muxes the top four
 306  *    options are in one mux and the PLL3 option along with three unused
 307  *    inputs is in a second mux. There is a third mux with two inputs used
 308  *    to decide between the first and second 4-port mux:
 309  *
 310  *    pll5_video_div 0 --|\
 311  *    pll2_pfd0_352m 1 --| |_
 312  *    pll2_pfd2_396m 2 --| | `-|\
 313  *    mmdc_ch1_axi   3 --|/    | |
 314  *                             | |--
 315  *    pll3_usb_otg   4 --|\    | |
 316  *                   5 --| |_,-|/
 317  *                   6 --| |
 318  *                   7 --|/
 319  *
 320  * The ldb_di0/1_clk_sel[1:0] bits control both 4-port muxes at the same time.
 321  * The ldb_di0/1_clk_sel[2] bit controls the 2-port mux. The code below
 322  * switches the parent to the bottom mux first and then manipulates the top
 323  * mux to ensure that no glitch will enter the divider.
 324  */
 325 static void init_ldb_clks(struct device_node *np, void __iomem *ccm_base)
 326 {
 327         unsigned int reg;
 328         unsigned int sel[2][4];
 329         int i;
 330
 331         reg = readl_relaxed(ccm_base + CCM_CS2CDR);
 332         sel[0][0] = (reg >> CS2CDR_LDB_DI0_CLK_SEL_SHIFT) & 7;
 333         sel[1][0] = (reg >> CS2CDR_LDB_DI1_CLK_SEL_SHIFT) & 7;
 334
 335         sel[0][3] = sel[0][2] = sel[0][1] = sel[0][0];
 336         sel[1][3] = sel[1][2] = sel[1][1] = sel[1][0];
 337
 338         of_assigned_ldb_sels(np, &sel[0][3], &sel[1][3]);
 339
 340         for (i = 0; i < 2; i++) {
 341                 /* Print a notice if a glitch might have been introduced already */
 342                 if (sel[i][0] != 3) {
 343                         pr_notice("ccm: possible glitch: ldb_di%d_sel already changed from reset value: %d\n",
 344                                   i, sel[i][0]);
 345                 }
 346
 347                 if (sel[i][0] == sel[i][3])
 348                         continue;
 349
 350                 /* Only switch to or from pll2_pfd2_396m if it is disabled */
 351                 if ((sel[i][0] == 2 || sel[i][3] == 2) &&
 352                     (clk_get_parent(hws[IMX6QDL_CLK_PERIPH_PRE]->clk) ==
 353                      hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk)) {
 354                         pr_err("ccm: ldb_di%d_sel: couldn't disable pll2_pfd2_396m\n",
 355                                i);
 356                         sel[i][3] = sel[i][2] = sel[i][1] = sel[i][0];
 357                         continue;
 358                 }
 359
 360                 /* First switch to the bottom mux */
 361                 sel[i][1] = sel[i][0] | 4;
 362
 363                 /* Then configure the top mux before switching back to it */
 364                 sel[i][2] = sel[i][3] | 4;
 365
 366                 pr_debug("ccm: switching ldb_di%d_sel: %d->%d->%d->%d\n", i,
 367                          sel[i][0], sel[i][1], sel[i][2], sel[i][3]);
 368         }
 369
 370         if (sel[0][0] == sel[0][3] && sel[1][0] == sel[1][3])
 371                 return;
 372
 373         mmdc_ch1_disable(ccm_base);
 374
 375         for (i = 1; i < 4; i++) {
 376                 reg = readl_relaxed(ccm_base + CCM_CS2CDR);
 377                 reg &= ~((7 << CS2CDR_LDB_DI0_CLK_SEL_SHIFT) |
 378                          (7 << CS2CDR_LDB_DI1_CLK_SEL_SHIFT));
 379                 reg |= ((sel[0][i] << CS2CDR_LDB_DI0_CLK_SEL_SHIFT) |
 380                         (sel[1][i] << CS2CDR_LDB_DI1_CLK_SEL_SHIFT));
 381                 writel_relaxed(reg, ccm_base + CCM_CS2CDR);
 382         }
 383
 384         mmdc_ch1_reenable(ccm_base);
 385 }
 386
 387 #define CCM_ANALOG_PLL_VIDEO    0xa0
 388 #define CCM_ANALOG_PFD_480      0xf0
 389 #define CCM_ANALOG_PFD_528      0x100
 390
 391 #define PLL_ENABLE              BIT(13)
 392
 393 #define PFD0_CLKGATE            BIT(7)
 394 #define PFD1_CLKGATE            BIT(15)
 395 #define PFD2_CLKGATE            BIT(23)
 396 #define PFD3_CLKGATE            BIT(31)
 397
 398 static void disable_anatop_clocks(void __iomem *anatop_base)
 399 {
 400         unsigned int reg;
 401
 402         /* Make sure PLL2 PFDs 0-2 are gated */
 403         reg = readl_relaxed(anatop_base + CCM_ANALOG_PFD_528);
 404         /* Cannot gate PFD2 if pll2_pfd2_396m is the parent of MMDC clock */
 405         if (clk_get_parent(hws[IMX6QDL_CLK_PERIPH_PRE]->clk) ==
 406             hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk)
 407                 reg |= PFD0_CLKGATE | PFD1_CLKGATE;
 408         else
 409                 reg |= PFD0_CLKGATE | PFD1_CLKGATE | PFD2_CLKGATE;
 410         writel_relaxed(reg, anatop_base + CCM_ANALOG_PFD_528);
 411
 412         /* Make sure PLL3 PFDs 0-3 are gated */
 413         reg = readl_relaxed(anatop_base + CCM_ANALOG_PFD_480);
 414         reg |= PFD0_CLKGATE | PFD1_CLKGATE | PFD2_CLKGATE | PFD3_CLKGATE;
 415         writel_relaxed(reg, anatop_base + CCM_ANALOG_PFD_480);
 416
 417         /* Make sure PLL5 is disabled */
 418         reg = readl_relaxed(anatop_base + CCM_ANALOG_PLL_VIDEO);
 419         reg &= ~PLL_ENABLE;
 420         writel_relaxed(reg, anatop_base + CCM_ANALOG_PLL_VIDEO);
 421 }
 422
 423 static struct clk_hw * __init imx6q_obtain_fixed_clk_hw(struct device_node *np,
 424                                                         const char *name,
 425                                                         unsigned long rate)
 426 {
 427         struct clk *clk = of_clk_get_by_name(np, name);
 428         struct clk_hw *hw;
 429
 430         if (IS_ERR(clk))
 431                 hw = imx_obtain_fixed_clock_hw(name, rate);
 432         else
 433                 hw = __clk_get_hw(clk);
 434
 435         return hw;
 436 }
 437
 438 static void __init imx6q_clocks_init(struct device_node *ccm_node)
 439 {
 440         struct device_node *np;
 441         void __iomem *anatop_base, *base;
 442         int ret;
 443         int i;
 444
 445         clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,
 446                                           IMX6QDL_CLK_END), GFP_KERNEL);
 447         if (WARN_ON(!clk_hw_data))
 448                 return;
 449
 450         clk_hw_data->num = IMX6QDL_CLK_END;
 451         hws = clk_hw_data->hws;
 452
 453         hws[IMX6QDL_CLK_DUMMY] = imx_clk_hw_fixed("dummy", 0);
 454
 455         hws[IMX6QDL_CLK_CKIL] = imx6q_obtain_fixed_clk_hw(ccm_node, "ckil", 0);
 456         hws[IMX6QDL_CLK_CKIH] = imx6q_obtain_fixed_clk_hw(ccm_node, "ckih1", 0);
 457         hws[IMX6QDL_CLK_OSC] = imx6q_obtain_fixed_clk_hw(ccm_node, "osc", 0);
 458
 459         /* Clock source from external clock via CLK1/2 PADs */
 460         hws[IMX6QDL_CLK_ANACLK1] = imx6q_obtain_fixed_clk_hw(ccm_node, "anaclk1", 0);
 461         hws[IMX6QDL_CLK_ANACLK2] = imx6q_obtain_fixed_clk_hw(ccm_node, "anaclk2", 0);
 462
 463         np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop");
 464         anatop_base = base = of_iomap(np, 0);
 465         WARN_ON(!base);
 466         of_node_put(np);
 467
 468         /* Audio/video PLL post dividers do not work on i.MX6q revision 1.0 */
 469         if (clk_on_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0) {
 470                 post_div_table[1].div = 1;
 471                 post_div_table[2].div = 1;
 472                 video_div_table[1].div = 1;
 473                 video_div_table[3].div = 1;
 474         }
 475
 476         hws[IMX6QDL_PLL1_BYPASS_SRC] = imx_clk_hw_mux("pll1_bypass_src", base + 0x00, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
 477         hws[IMX6QDL_PLL2_BYPASS_SRC] = imx_clk_hw_mux("pll2_bypass_src", base + 0x30, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
 478         hws[IMX6QDL_PLL3_BYPASS_SRC] = imx_clk_hw_mux("pll3_bypass_src", base + 0x10, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
 479         hws[IMX6QDL_PLL4_BYPASS_SRC] = imx_clk_hw_mux("pll4_bypass_src", base + 0x70, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
 480         hws[IMX6QDL_PLL5_BYPASS_SRC] = imx_clk_hw_mux("pll5_bypass_src", base + 0xa0, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
 481         hws[IMX6QDL_PLL6_BYPASS_SRC] = imx_clk_hw_mux("pll6_bypass_src", base + 0xe0, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
 482         hws[IMX6QDL_PLL7_BYPASS_SRC] = imx_clk_hw_mux("pll7_bypass_src", base + 0x20, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
 483
 484         /*                                    type               name    parent_name        base         div_mask */
 485         hws[IMX6QDL_CLK_PLL1] = imx_clk_hw_pllv3(IMX_PLLV3_SYS,     "pll1", "osc", base + 0x00, 0x7f);
 486         hws[IMX6QDL_CLK_PLL2] = imx_clk_hw_pllv3(IMX_PLLV3_GENERIC, "pll2", "osc", base + 0x30, 0x1);
 487         hws[IMX6QDL_CLK_PLL3] = imx_clk_hw_pllv3(IMX_PLLV3_USB,     "pll3", "osc", base + 0x10, 0x3);
 488         hws[IMX6QDL_CLK_PLL4] = imx_clk_hw_pllv3(IMX_PLLV3_AV,      "pll4", "osc", base + 0x70, 0x7f);
 489         hws[IMX6QDL_CLK_PLL5] = imx_clk_hw_pllv3(IMX_PLLV3_AV,      "pll5", "osc", base + 0xa0, 0x7f);
 490         hws[IMX6QDL_CLK_PLL6] = imx_clk_hw_pllv3(IMX_PLLV3_ENET,    "pll6", "osc", base + 0xe0, 0x3);
 491         hws[IMX6QDL_CLK_PLL7] = imx_clk_hw_pllv3(IMX_PLLV3_USB,     "pll7", "osc", base + 0x20, 0x3);
 492
 493         hws[IMX6QDL_PLL1_BYPASS] = imx_clk_hw_mux_flags("pll1_bypass", base + 0x00, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels), CLK_SET_RATE_PARENT);
 494         hws[IMX6QDL_PLL2_BYPASS] = imx_clk_hw_mux_flags("pll2_bypass", base + 0x30, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels), CLK_SET_RATE_PARENT);
 495         hws[IMX6QDL_PLL3_BYPASS] = imx_clk_hw_mux_flags("pll3_bypass", base + 0x10, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels), CLK_SET_RATE_PARENT);
 496         hws[IMX6QDL_PLL4_BYPASS] = imx_clk_hw_mux_flags("pll4_bypass", base + 0x70, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels), CLK_SET_RATE_PARENT);
 497         hws[IMX6QDL_PLL5_BYPASS] = imx_clk_hw_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT);
 498         hws[IMX6QDL_PLL6_BYPASS] = imx_clk_hw_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT);
 499         hws[IMX6QDL_PLL7_BYPASS] = imx_clk_hw_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT);
 500
 501         /* Do not bypass PLLs initially */
 502         clk_set_parent(hws[IMX6QDL_PLL1_BYPASS]->clk, hws[IMX6QDL_CLK_PLL1]->clk);
 503         clk_set_parent(hws[IMX6QDL_PLL2_BYPASS]->clk, hws[IMX6QDL_CLK_PLL2]->clk);
 504         clk_set_parent(hws[IMX6QDL_PLL3_BYPASS]->clk, hws[IMX6QDL_CLK_PLL3]->clk);
 505         clk_set_parent(hws[IMX6QDL_PLL4_BYPASS]->clk, hws[IMX6QDL_CLK_PLL4]->clk);
 506         clk_set_parent(hws[IMX6QDL_PLL5_BYPASS]->clk, hws[IMX6QDL_CLK_PLL5]->clk);
 507         clk_set_parent(hws[IMX6QDL_PLL6_BYPASS]->clk, hws[IMX6QDL_CLK_PLL6]->clk);
 508         clk_set_parent(hws[IMX6QDL_PLL7_BYPASS]->clk, hws[IMX6QDL_CLK_PLL7]->clk);
 509
 510         hws[IMX6QDL_CLK_PLL1_SYS]      = imx_clk_hw_gate("pll1_sys",      "pll1_bypass", base + 0x00, 13);
 511         hws[IMX6QDL_CLK_PLL2_BUS]      = imx_clk_hw_gate("pll2_bus",      "pll2_bypass", base + 0x30, 13);
 512         hws[IMX6QDL_CLK_PLL3_USB_OTG]  = imx_clk_hw_gate("pll3_usb_otg",  "pll3_bypass", base + 0x10, 13);
 513         hws[IMX6QDL_CLK_PLL4_AUDIO]    = imx_clk_hw_gate("pll4_audio",    "pll4_bypass", base + 0x70, 13);
 514         hws[IMX6QDL_CLK_PLL5_VIDEO]    = imx_clk_hw_gate("pll5_video",    "pll5_bypass", base + 0xa0, 13);
 515         hws[IMX6QDL_CLK_PLL6_ENET]     = imx_clk_hw_gate("pll6_enet",     "pll6_bypass", base + 0xe0, 13);
 516         hws[IMX6QDL_CLK_PLL7_USB_HOST] = imx_clk_hw_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13);
 517
 518         /*
 519          * Bit 20 is the reserved and read-only bit, we do this only for:
 520          * - Do nothing for usbphy clk_enable/disable
 521          * - Keep refcount when do usbphy clk_enable/disable, in that case,
 522          * the clk framework may need to enable/disable usbphy's parent
 523          */
 524         hws[IMX6QDL_CLK_USBPHY1] = imx_clk_hw_gate("usbphy1", "pll3_usb_otg", base + 0x10, 20);
 525         hws[IMX6QDL_CLK_USBPHY2] = imx_clk_hw_gate("usbphy2", "pll7_usb_host", base + 0x20, 20);
 526
 527         /*
 528          * usbphy*_gate needs to be on after system boots up, and software
 529          * never needs to control it anymore.
 530          */
 531         hws[IMX6QDL_CLK_USBPHY1_GATE] = imx_clk_hw_gate("usbphy1_gate", "dummy", base + 0x10, 6);
 532         hws[IMX6QDL_CLK_USBPHY2_GATE] = imx_clk_hw_gate("usbphy2_gate", "dummy", base + 0x20, 6);
 533
 534         /*
 535          * The ENET PLL is special in that is has multiple outputs with
 536          * different post-dividers that are all affected by the single bypass
 537          * bit, so a single mux bit affects 3 independent branches of the clock
 538          * tree. There is no good way to model this in the clock framework and
 539          * dynamically changing the bypass bit, will yield unexpected results.
 540          * So we treat any configuration that bypasses the ENET PLL as
 541          * essentially static with the divider ratios reflecting the bypass
 542          * status.
 543          *
 544          */
 545         if (!pll6_bypassed(ccm_node)) {
 546                 hws[IMX6QDL_CLK_SATA_REF] = imx_clk_hw_fixed_factor("sata_ref", "pll6_enet", 1, 5);
 547                 hws[IMX6QDL_CLK_PCIE_REF] = imx_clk_hw_fixed_factor("pcie_ref", "pll6_enet", 1, 4);
 548                 hws[IMX6QDL_CLK_ENET_REF] = clk_hw_register_divider_table(NULL, "enet_ref", "pll6_enet", 0,
 549                                                 base + 0xe0, 0, 2, 0, clk_enet_ref_table,
 550                                                 &imx_ccm_lock);
 551         } else {
 552                 hws[IMX6QDL_CLK_SATA_REF] = imx_clk_hw_fixed_factor("sata_ref", "pll6_enet", 1, 1);
 553                 hws[IMX6QDL_CLK_PCIE_REF] = imx_clk_hw_fixed_factor("pcie_ref", "pll6_enet", 1, 1);
 554                 hws[IMX6QDL_CLK_ENET_REF] = imx_clk_hw_fixed_factor("enet_ref", "pll6_enet", 1, 1);
 555         }
 556
 557         hws[IMX6QDL_CLK_SATA_REF_100M] = imx_clk_hw_gate("sata_ref_100m", "sata_ref", base + 0xe0, 20);
 558         hws[IMX6QDL_CLK_PCIE_REF_125M] = imx_clk_hw_gate("pcie_ref_125m", "pcie_ref", base + 0xe0, 19);
 559
 560         hws[IMX6QDL_CLK_LVDS1_SEL] = imx_clk_hw_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
 561         hws[IMX6QDL_CLK_LVDS2_SEL] = imx_clk_hw_mux("lvds2_sel", base + 0x160, 5, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
 562
 563         /*
 564          * lvds1_gate and lvds2_gate are pseudo-gates.  Both can be
 565          * independently configured as clock inputs or outputs.  We treat
 566          * the "output_enable" bit as a gate, even though it's really just
 567          * enabling clock output. Initially the gate bits are cleared, as
 568          * otherwise the exclusive configuration gets locked in the setup done
 569          * by software running before the clock driver, with no way to change
 570          * it.
 571          */
 572         writel(readl(base + 0x160) & ~0x3c00, base + 0x160);
 573         hws[IMX6QDL_CLK_LVDS1_GATE] = imx_clk_hw_gate_exclusive("lvds1_gate", "lvds1_sel", base + 0x160, 10, BIT(12));
 574         hws[IMX6QDL_CLK_LVDS2_GATE] = imx_clk_hw_gate_exclusive("lvds2_gate", "lvds2_sel", base + 0x160, 11, BIT(13));
 575
 576         hws[IMX6QDL_CLK_LVDS1_IN] = imx_clk_hw_gate_exclusive("lvds1_in", "anaclk1", base + 0x160, 12, BIT(10));
 577         hws[IMX6QDL_CLK_LVDS2_IN] = imx_clk_hw_gate_exclusive("lvds2_in", "anaclk2", base + 0x160, 13, BIT(11));
 578
 579         /*                                            name              parent_name        reg       idx */
 580         hws[IMX6QDL_CLK_PLL2_PFD0_352M] = imx_clk_hw_pfd("pll2_pfd0_352m", "pll2_bus",     base + 0x100, 0);
 581         hws[IMX6QDL_CLK_PLL2_PFD1_594M] = imx_clk_hw_pfd("pll2_pfd1_594m", "pll2_bus",     base + 0x100, 1);
 582         hws[IMX6QDL_CLK_PLL2_PFD2_396M] = imx_clk_hw_pfd("pll2_pfd2_396m", "pll2_bus",     base + 0x100, 2);
 583         hws[IMX6QDL_CLK_PLL3_PFD0_720M] = imx_clk_hw_pfd("pll3_pfd0_720m", "pll3_usb_otg", base + 0xf0,  0);
 584         hws[IMX6QDL_CLK_PLL3_PFD1_540M] = imx_clk_hw_pfd("pll3_pfd1_540m", "pll3_usb_otg", base + 0xf0,  1);
 585         hws[IMX6QDL_CLK_PLL3_PFD2_508M] = imx_clk_hw_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0,  2);
 586         hws[IMX6QDL_CLK_PLL3_PFD3_454M] = imx_clk_hw_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0,  3);
 587
 588         /*                                                name         parent_name     mult div */
 589         hws[IMX6QDL_CLK_PLL2_198M] = imx_clk_hw_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1, 2);
 590         hws[IMX6QDL_CLK_PLL3_120M] = imx_clk_hw_fixed_factor("pll3_120m", "pll3_usb_otg",   1, 4);
 591         hws[IMX6QDL_CLK_PLL3_80M]  = imx_clk_hw_fixed_factor("pll3_80m",  "pll3_usb_otg",   1, 6);
 592         hws[IMX6QDL_CLK_PLL3_60M]  = imx_clk_hw_fixed_factor("pll3_60m",  "pll3_usb_otg",   1, 8);
 593         hws[IMX6QDL_CLK_TWD]       = imx_clk_hw_fixed_factor("twd",       "arm",            1, 2);
 594         hws[IMX6QDL_CLK_GPT_3M]    = imx_clk_hw_fixed_factor("gpt_3m",    "osc",            1, 8);
 595         hws[IMX6QDL_CLK_VIDEO_27M] = imx_clk_hw_fixed_factor("video_27m", "pll3_pfd1_540m", 1, 20);
 596         if (clk_on_imx6dl() || clk_on_imx6qp()) {
 597                 hws[IMX6QDL_CLK_GPU2D_AXI] = imx_clk_hw_fixed_factor("gpu2d_axi", "mmdc_ch0_axi_podf", 1, 1);
 598                 hws[IMX6QDL_CLK_GPU3D_AXI] = imx_clk_hw_fixed_factor("gpu3d_axi", "mmdc_ch0_axi_podf", 1, 1);
 599         }
 600
 601         hws[IMX6QDL_CLK_PLL4_POST_DIV] = clk_hw_register_divider_table(NULL, "pll4_post_div", "pll4_audio", CLK_SET_RATE_PARENT, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock);
 602         if (clk_on_imx6q() || clk_on_imx6qp())
 603                 hws[IMX6QDL_CLK_PLL4_AUDIO_DIV] = imx_clk_hw_fixed_factor("pll4_audio_div", "pll4_post_div", 1, 1);
 604         else
 605                 hws[IMX6QDL_CLK_PLL4_AUDIO_DIV] = clk_hw_register_divider(NULL, "pll4_audio_div", "pll4_post_div", CLK_SET_RATE_PARENT, base + 0x170, 15, 1, 0, &imx_ccm_lock);
 606         hws[IMX6QDL_CLK_PLL5_POST_DIV] = clk_hw_register_divider_table(NULL, "pll5_post_div", "pll5_video", CLK_SET_RATE_PARENT, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock);
 607         hws[IMX6QDL_CLK_PLL5_VIDEO_DIV] = clk_hw_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", CLK_SET_RATE_PARENT, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock);
 608
 609         np = ccm_node;
 610         base = of_iomap(np, 0);
 611         WARN_ON(!base);
 612
 613         /*                                              name                reg       shift width parent_names     num_parents */
 614         hws[IMX6QDL_CLK_STEP]             = imx_clk_hw_mux("step",                  base + 0xc,  8,  1, step_sels,         ARRAY_SIZE(step_sels));
 615         hws[IMX6QDL_CLK_PLL1_SW]          = imx_clk_hw_mux("pll1_sw",       base + 0xc,  2,  1, pll1_sw_sels,      ARRAY_SIZE(pll1_sw_sels));
 616         hws[IMX6QDL_CLK_PERIPH_PRE]       = imx_clk_hw_mux("periph_pre",       base + 0x18, 18, 2, periph_pre_sels,   ARRAY_SIZE(periph_pre_sels));
 617         hws[IMX6QDL_CLK_PERIPH2_PRE]      = imx_clk_hw_mux("periph2_pre",      base + 0x18, 21, 2, periph_pre_sels,   ARRAY_SIZE(periph_pre_sels));
 618         hws[IMX6QDL_CLK_PERIPH_CLK2_SEL]  = imx_clk_hw_mux("periph_clk2_sel",  base + 0x18, 12, 2, periph_clk2_sels,  ARRAY_SIZE(periph_clk2_sels));
 619         hws[IMX6QDL_CLK_PERIPH2_CLK2_SEL] = imx_clk_hw_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels));
 620         hws[IMX6QDL_CLK_AXI_SEL]          = imx_clk_hw_mux("axi_sel",          base + 0x14, 6,  2, axi_sels,          ARRAY_SIZE(axi_sels));
 621         hws[IMX6QDL_CLK_ESAI_SEL]         = imx_clk_hw_mux("esai_sel",         base + 0x20, 19, 2, audio_sels,        ARRAY_SIZE(audio_sels));
 622         hws[IMX6QDL_CLK_ASRC_SEL]         = imx_clk_hw_mux("asrc_sel",         base + 0x30, 7,  2, audio_sels,        ARRAY_SIZE(audio_sels));
 623         hws[IMX6QDL_CLK_SPDIF_SEL]        = imx_clk_hw_mux("spdif_sel",        base + 0x30, 20, 2, audio_sels,        ARRAY_SIZE(audio_sels));
 624         if (clk_on_imx6q()) {
 625                 hws[IMX6QDL_CLK_GPU2D_AXI]        = imx_clk_hw_mux("gpu2d_axi",        base + 0x18, 0,  1, gpu_axi_sels,      ARRAY_SIZE(gpu_axi_sels));
 626                 hws[IMX6QDL_CLK_GPU3D_AXI]        = imx_clk_hw_mux("gpu3d_axi",        base + 0x18, 1,  1, gpu_axi_sels,      ARRAY_SIZE(gpu_axi_sels));
 627         }
 628         if (clk_on_imx6qp()) {
 629                 hws[IMX6QDL_CLK_CAN_SEL]   = imx_clk_hw_mux("can_sel",  base + 0x20, 8,  2, can_sels, ARRAY_SIZE(can_sels));
 630                 hws[IMX6QDL_CLK_ECSPI_SEL] = imx_clk_hw_mux("ecspi_sel",        base + 0x38, 18, 1, ecspi_sels,  ARRAY_SIZE(ecspi_sels));
 631                 hws[IMX6QDL_CLK_IPG_PER_SEL] = imx_clk_hw_mux("ipg_per_sel", base + 0x1c, 6, 1, ipg_per_sels, ARRAY_SIZE(ipg_per_sels));
 632                 hws[IMX6QDL_CLK_UART_SEL] = imx_clk_hw_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels));
 633                 hws[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_hw_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels_2, ARRAY_SIZE(gpu2d_core_sels_2));
 634         } else if (clk_on_imx6dl()) {
 635                 hws[IMX6QDL_CLK_MLB_SEL] = imx_clk_hw_mux("mlb_sel",   base + 0x18, 16, 2, gpu2d_core_sels,   ARRAY_SIZE(gpu2d_core_sels));
 636         } else {
 637                 hws[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_hw_mux("gpu2d_core_sel",   base + 0x18, 16, 2, gpu2d_core_sels,   ARRAY_SIZE(gpu2d_core_sels));
 638         }
 639         hws[IMX6QDL_CLK_GPU3D_CORE_SEL]   = imx_clk_hw_mux("gpu3d_core_sel",   base + 0x18, 4,  2, gpu3d_core_sels,   ARRAY_SIZE(gpu3d_core_sels));
 640         if (clk_on_imx6dl())
 641                 hws[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_hw_mux("gpu2d_core_sel", base + 0x18, 8,  2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels));
 642         else
 643                 hws[IMX6QDL_CLK_GPU3D_SHADER_SEL] = imx_clk_hw_mux("gpu3d_shader_sel", base + 0x18, 8,  2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels));
 644         hws[IMX6QDL_CLK_IPU1_SEL]         = imx_clk_hw_mux("ipu1_sel",         base + 0x3c, 9,  2, ipu_sels,          ARRAY_SIZE(ipu_sels));
 645         hws[IMX6QDL_CLK_IPU2_SEL]         = imx_clk_hw_mux("ipu2_sel",         base + 0x3c, 14, 2, ipu_sels,          ARRAY_SIZE(ipu_sels));
 646
 647         disable_anatop_clocks(anatop_base);
 648
 649         imx_mmdc_mask_handshake(base, 1);
 650
 651         if (clk_on_imx6qp()) {
 652                 hws[IMX6QDL_CLK_LDB_DI0_SEL]      = imx_clk_hw_mux_flags("ldb_di0_sel", base + 0x2c, 9,  3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
 653                 hws[IMX6QDL_CLK_LDB_DI1_SEL]      = imx_clk_hw_mux_flags("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
 654         } else {
 655                 /*
 656                  * The LDB_DI0/1_SEL muxes are registered read-only due to a hardware
 657                  * bug. Set the muxes to the requested values before registering the
 658                  * ldb_di_sel clocks.
 659                  */
 660                 init_ldb_clks(np, base);
 661
 662                 hws[IMX6QDL_CLK_LDB_DI0_SEL]      = imx_clk_hw_mux_ldb("ldb_di0_sel", base + 0x2c, 9,  3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels));
 663                 hws[IMX6QDL_CLK_LDB_DI1_SEL]      = imx_clk_hw_mux_ldb("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels));
 664         }
 665
 666         hws[IMX6QDL_CLK_IPU1_DI0_PRE_SEL] = imx_clk_hw_mux_flags("ipu1_di0_pre_sel", base + 0x34, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
 667         hws[IMX6QDL_CLK_IPU1_DI1_PRE_SEL] = imx_clk_hw_mux_flags("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
 668         hws[IMX6QDL_CLK_IPU2_DI0_PRE_SEL] = imx_clk_hw_mux_flags("ipu2_di0_pre_sel", base + 0x38, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
 669         hws[IMX6QDL_CLK_IPU2_DI1_PRE_SEL] = imx_clk_hw_mux_flags("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
 670         hws[IMX6QDL_CLK_HSI_TX_SEL]       = imx_clk_hw_mux("hsi_tx_sel",       base + 0x30, 28, 1, hsi_tx_sels,       ARRAY_SIZE(hsi_tx_sels));
 671         hws[IMX6QDL_CLK_PCIE_AXI_SEL]     = imx_clk_hw_mux("pcie_axi_sel",     base + 0x18, 10, 1, pcie_axi_sels,     ARRAY_SIZE(pcie_axi_sels));
 672
 673         if (clk_on_imx6qp()) {
 674                 hws[IMX6QDL_CLK_IPU1_DI0_SEL]     = imx_clk_hw_mux_flags("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels_2,     ARRAY_SIZE(ipu1_di0_sels_2), CLK_SET_RATE_PARENT);
 675                 hws[IMX6QDL_CLK_IPU1_DI1_SEL]     = imx_clk_hw_mux_flags("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels_2,     ARRAY_SIZE(ipu1_di1_sels_2), CLK_SET_RATE_PARENT);
 676                 hws[IMX6QDL_CLK_IPU2_DI0_SEL]     = imx_clk_hw_mux_flags("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels_2,     ARRAY_SIZE(ipu2_di0_sels_2), CLK_SET_RATE_PARENT);
 677                 hws[IMX6QDL_CLK_IPU2_DI1_SEL]     = imx_clk_hw_mux_flags("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels_2,     ARRAY_SIZE(ipu2_di1_sels_2), CLK_SET_RATE_PARENT);
 678                 hws[IMX6QDL_CLK_SSI1_SEL]         = imx_clk_hw_mux("ssi1_sel",   base + 0x1c, 10, 2, ssi_sels,          ARRAY_SIZE(ssi_sels));
 679                 hws[IMX6QDL_CLK_SSI2_SEL]         = imx_clk_hw_mux("ssi2_sel",   base + 0x1c, 12, 2, ssi_sels,          ARRAY_SIZE(ssi_sels));
 680                 hws[IMX6QDL_CLK_SSI3_SEL]         = imx_clk_hw_mux("ssi3_sel",   base + 0x1c, 14, 2, ssi_sels,          ARRAY_SIZE(ssi_sels));
 681                 hws[IMX6QDL_CLK_USDHC1_SEL]       = imx_clk_hw_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels));
 682                 hws[IMX6QDL_CLK_USDHC2_SEL]       = imx_clk_hw_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels));
 683                 hws[IMX6QDL_CLK_USDHC3_SEL]       = imx_clk_hw_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels));
 684                 hws[IMX6QDL_CLK_USDHC4_SEL]       = imx_clk_hw_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels));
 685                 hws[IMX6QDL_CLK_ENFC_SEL]         = imx_clk_hw_mux("enfc_sel",         base + 0x2c, 15, 3, enfc_sels_2,         ARRAY_SIZE(enfc_sels_2));
 686                 hws[IMX6QDL_CLK_EIM_SEL]          = imx_clk_hw_mux("eim_sel",      base + 0x1c, 27, 2, eim_sels,        ARRAY_SIZE(eim_sels));
 687                 hws[IMX6QDL_CLK_EIM_SLOW_SEL]     = imx_clk_hw_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels,   ARRAY_SIZE(eim_slow_sels));
 688                 hws[IMX6QDL_CLK_PRE_AXI]          = imx_clk_hw_mux("pre_axi",   base + 0x18, 1,  1, pre_axi_sels,    ARRAY_SIZE(pre_axi_sels));
 689         } else {
 690                 hws[IMX6QDL_CLK_IPU1_DI0_SEL]     = imx_clk_hw_mux_flags("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels,     ARRAY_SIZE(ipu1_di0_sels), CLK_SET_RATE_PARENT);
 691                 hws[IMX6QDL_CLK_IPU1_DI1_SEL]     = imx_clk_hw_mux_flags("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels,     ARRAY_SIZE(ipu1_di1_sels), CLK_SET_RATE_PARENT);
 692                 hws[IMX6QDL_CLK_IPU2_DI0_SEL]     = imx_clk_hw_mux_flags("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels,     ARRAY_SIZE(ipu2_di0_sels), CLK_SET_RATE_PARENT);
 693                 hws[IMX6QDL_CLK_IPU2_DI1_SEL]     = imx_clk_hw_mux_flags("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels,     ARRAY_SIZE(ipu2_di1_sels), CLK_SET_RATE_PARENT);
 694                 hws[IMX6QDL_CLK_SSI1_SEL]         = imx_clk_hw_fixup_mux("ssi1_sel",   base + 0x1c, 10, 2, ssi_sels,          ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
 695                 hws[IMX6QDL_CLK_SSI2_SEL]         = imx_clk_hw_fixup_mux("ssi2_sel",   base + 0x1c, 12, 2, ssi_sels,          ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
 696                 hws[IMX6QDL_CLK_SSI3_SEL]         = imx_clk_hw_fixup_mux("ssi3_sel",   base + 0x1c, 14, 2, ssi_sels,          ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
 697                 hws[IMX6QDL_CLK_USDHC1_SEL]       = imx_clk_hw_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
 698                 hws[IMX6QDL_CLK_USDHC2_SEL]       = imx_clk_hw_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
 699                 hws[IMX6QDL_CLK_USDHC3_SEL]       = imx_clk_hw_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
 700                 hws[IMX6QDL_CLK_USDHC4_SEL]       = imx_clk_hw_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels,        ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
 701                 hws[IMX6QDL_CLK_ENFC_SEL]         = imx_clk_hw_mux("enfc_sel",         base + 0x2c, 16, 2, enfc_sels,         ARRAY_SIZE(enfc_sels));
 702                 hws[IMX6QDL_CLK_EIM_SEL]          = imx_clk_hw_fixup_mux("eim_sel",      base + 0x1c, 27, 2, eim_sels,        ARRAY_SIZE(eim_sels), imx_cscmr1_fixup);
 703                 hws[IMX6QDL_CLK_EIM_SLOW_SEL]     = imx_clk_hw_fixup_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels,   ARRAY_SIZE(eim_slow_sels), imx_cscmr1_fixup);
 704         }
 705
 706         hws[IMX6QDL_CLK_VDO_AXI_SEL]      = imx_clk_hw_mux("vdo_axi_sel",      base + 0x18, 11, 1, vdo_axi_sels,      ARRAY_SIZE(vdo_axi_sels));
 707         hws[IMX6QDL_CLK_VPU_AXI_SEL]      = imx_clk_hw_mux("vpu_axi_sel",      base + 0x18, 14, 2, vpu_axi_sels,      ARRAY_SIZE(vpu_axi_sels));
 708         hws[IMX6QDL_CLK_CKO1_SEL]         = imx_clk_hw_mux("cko1_sel",         base + 0x60, 0,  4, cko1_sels,         ARRAY_SIZE(cko1_sels));
 709         hws[IMX6QDL_CLK_CKO2_SEL]         = imx_clk_hw_mux("cko2_sel",         base + 0x60, 16, 5, cko2_sels,         ARRAY_SIZE(cko2_sels));
 710         hws[IMX6QDL_CLK_CKO]              = imx_clk_hw_mux("cko",              base + 0x60, 8, 1,  cko_sels,          ARRAY_SIZE(cko_sels));
 711
 712         /*                                          name         reg      shift width busy: reg, shift parent_names  num_parents */
 713         hws[IMX6QDL_CLK_PERIPH]  = imx_clk_hw_busy_mux("periph",  base + 0x14, 25,  1,   base + 0x48, 5,  periph_sels,  ARRAY_SIZE(periph_sels));
 714         hws[IMX6QDL_CLK_PERIPH2] = imx_clk_hw_busy_mux("periph2", base + 0x14, 26,  1,   base + 0x48, 3,  periph2_sels, ARRAY_SIZE(periph2_sels));
 715
 716         /*                                                  name                parent_name          reg       shift width */
 717         hws[IMX6QDL_CLK_PERIPH_CLK2]      = imx_clk_hw_divider("periph_clk2",      "periph_clk2_sel",   base + 0x14, 27, 3);
 718         hws[IMX6QDL_CLK_PERIPH2_CLK2]     = imx_clk_hw_divider("periph2_clk2",     "periph2_clk2_sel",  base + 0x14, 0,  3);
 719         hws[IMX6QDL_CLK_IPG]              = imx_clk_hw_divider("ipg",              "ahb",               base + 0x14, 8,  2);
 720         hws[IMX6QDL_CLK_ESAI_PRED]        = imx_clk_hw_divider("esai_pred",        "esai_sel",          base + 0x28, 9,  3);
 721         hws[IMX6QDL_CLK_ESAI_PODF]        = imx_clk_hw_divider("esai_podf",        "esai_pred",         base + 0x28, 25, 3);
 722         hws[IMX6QDL_CLK_ASRC_PRED]        = imx_clk_hw_divider("asrc_pred",        "asrc_sel",          base + 0x30, 12, 3);
 723         hws[IMX6QDL_CLK_ASRC_PODF]        = imx_clk_hw_divider("asrc_podf",        "asrc_pred",         base + 0x30, 9,  3);
 724         hws[IMX6QDL_CLK_SPDIF_PRED]       = imx_clk_hw_divider("spdif_pred",       "spdif_sel",         base + 0x30, 25, 3);
 725         hws[IMX6QDL_CLK_SPDIF_PODF]       = imx_clk_hw_divider("spdif_podf",       "spdif_pred",        base + 0x30, 22, 3);
 726
 727         if (clk_on_imx6qp()) {
 728                 hws[IMX6QDL_CLK_IPG_PER] = imx_clk_hw_divider("ipg_per", "ipg_per_sel", base + 0x1c, 0, 6);
 729                 hws[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_hw_divider("ecspi_root", "ecspi_sel", base + 0x38, 19, 6);
 730                 hws[IMX6QDL_CLK_CAN_ROOT] = imx_clk_hw_divider("can_root", "can_sel", base + 0x20, 2, 6);
 731                 hws[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_hw_divider("uart_serial_podf", "uart_sel", base + 0x24, 0, 6);
 732                 hws[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_hw_fixed_factor("ldb_di0_div_3_5", "ldb_di0", 2, 7);
 733                 hws[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_hw_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7);
 734         } else {
 735                 hws[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_hw_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6);
 736                 hws[IMX6QDL_CLK_CAN_ROOT] = imx_clk_hw_divider("can_root", "pll3_60m", base + 0x20, 2, 6);
 737                 hws[IMX6QDL_CLK_IPG_PER] = imx_clk_hw_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup);
 738                 hws[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_hw_divider("uart_serial_podf", "pll3_80m",          base + 0x24, 0,  6);
 739                 hws[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_hw_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
 740                 hws[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_hw_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
 741         }
 742
 743         if (clk_on_imx6dl())
 744                 hws[IMX6QDL_CLK_MLB_PODF]  = imx_clk_hw_divider("mlb_podf",  "mlb_sel",    base + 0x18, 23, 3);
 745         else
 746                 hws[IMX6QDL_CLK_GPU2D_CORE_PODF]  = imx_clk_hw_divider("gpu2d_core_podf",  "gpu2d_core_sel",    base + 0x18, 23, 3);
 747         hws[IMX6QDL_CLK_GPU3D_CORE_PODF]  = imx_clk_hw_divider("gpu3d_core_podf",  "gpu3d_core_sel",    base + 0x18, 26, 3);
 748         if (clk_on_imx6dl())
 749                 hws[IMX6QDL_CLK_GPU2D_CORE_PODF]  = imx_clk_hw_divider("gpu2d_core_podf",     "gpu2d_core_sel",  base + 0x18, 29, 3);
 750         else
 751                 hws[IMX6QDL_CLK_GPU3D_SHADER]     = imx_clk_hw_divider("gpu3d_shader",     "gpu3d_shader_sel",  base + 0x18, 29, 3);
 752         hws[IMX6QDL_CLK_IPU1_PODF]        = imx_clk_hw_divider("ipu1_podf",        "ipu1_sel",          base + 0x3c, 11, 3);
 753         hws[IMX6QDL_CLK_IPU2_PODF]        = imx_clk_hw_divider("ipu2_podf",        "ipu2_sel",          base + 0x3c, 16, 3);
 754         hws[IMX6QDL_CLK_LDB_DI0_PODF]     = imx_clk_hw_divider_flags("ldb_di0_podf", "ldb_di0_div_3_5", base + 0x20, 10, 1, 0);
 755         hws[IMX6QDL_CLK_LDB_DI1_PODF]     = imx_clk_hw_divider_flags("ldb_di1_podf", "ldb_di1_div_3_5", base + 0x20, 11, 1, 0);
 756         hws[IMX6QDL_CLK_IPU1_DI0_PRE]     = imx_clk_hw_divider("ipu1_di0_pre",     "ipu1_di0_pre_sel",  base + 0x34, 3,  3);
 757         hws[IMX6QDL_CLK_IPU1_DI1_PRE]     = imx_clk_hw_divider("ipu1_di1_pre",     "ipu1_di1_pre_sel",  base + 0x34, 12, 3);
 758         hws[IMX6QDL_CLK_IPU2_DI0_PRE]     = imx_clk_hw_divider("ipu2_di0_pre",     "ipu2_di0_pre_sel",  base + 0x38, 3,  3);
 759         hws[IMX6QDL_CLK_IPU2_DI1_PRE]     = imx_clk_hw_divider("ipu2_di1_pre",     "ipu2_di1_pre_sel",  base + 0x38, 12, 3);
 760         hws[IMX6QDL_CLK_HSI_TX_PODF]      = imx_clk_hw_divider("hsi_tx_podf",      "hsi_tx_sel",        base + 0x30, 29, 3);
 761         hws[IMX6QDL_CLK_SSI1_PRED]        = imx_clk_hw_divider("ssi1_pred",        "ssi1_sel",          base + 0x28, 6,  3);
 762         hws[IMX6QDL_CLK_SSI1_PODF]        = imx_clk_hw_divider("ssi1_podf",        "ssi1_pred",         base + 0x28, 0,  6);
 763         hws[IMX6QDL_CLK_SSI2_PRED]        = imx_clk_hw_divider("ssi2_pred",        "ssi2_sel",          base + 0x2c, 6,  3);
 764         hws[IMX6QDL_CLK_SSI2_PODF]        = imx_clk_hw_divider("ssi2_podf",        "ssi2_pred",         base + 0x2c, 0,  6);
 765         hws[IMX6QDL_CLK_SSI3_PRED]        = imx_clk_hw_divider("ssi3_pred",        "ssi3_sel",          base + 0x28, 22, 3);
 766         hws[IMX6QDL_CLK_SSI3_PODF]        = imx_clk_hw_divider("ssi3_podf",        "ssi3_pred",         base + 0x28, 16, 6);
 767         hws[IMX6QDL_CLK_USDHC1_PODF]      = imx_clk_hw_divider("usdhc1_podf",      "usdhc1_sel",        base + 0x24, 11, 3);
 768         hws[IMX6QDL_CLK_USDHC2_PODF]      = imx_clk_hw_divider("usdhc2_podf",      "usdhc2_sel",        base + 0x24, 16, 3);
 769         hws[IMX6QDL_CLK_USDHC3_PODF]      = imx_clk_hw_divider("usdhc3_podf",      "usdhc3_sel",        base + 0x24, 19, 3);
 770         hws[IMX6QDL_CLK_USDHC4_PODF]      = imx_clk_hw_divider("usdhc4_podf",      "usdhc4_sel",        base + 0x24, 22, 3);
 771         hws[IMX6QDL_CLK_ENFC_PRED]        = imx_clk_hw_divider("enfc_pred",        "enfc_sel",          base + 0x2c, 18, 3);
 772         hws[IMX6QDL_CLK_ENFC_PODF]        = imx_clk_hw_divider("enfc_podf",        "enfc_pred",         base + 0x2c, 21, 6);
 773         if (clk_on_imx6qp()) {
 774                 hws[IMX6QDL_CLK_EIM_PODF]         = imx_clk_hw_divider("eim_podf",   "eim_sel",           base + 0x1c, 20, 3);
 775                 hws[IMX6QDL_CLK_EIM_SLOW_PODF]    = imx_clk_hw_divider("eim_slow_podf", "eim_slow_sel",   base + 0x1c, 23, 3);
 776         } else {
 777                 hws[IMX6QDL_CLK_EIM_PODF]         = imx_clk_hw_fixup_divider("eim_podf",   "eim_sel",           base + 0x1c, 20, 3, imx_cscmr1_fixup);
 778                 hws[IMX6QDL_CLK_EIM_SLOW_PODF]    = imx_clk_hw_fixup_divider("eim_slow_podf", "eim_slow_sel",   base + 0x1c, 23, 3, imx_cscmr1_fixup);
 779         }
 780
 781         hws[IMX6QDL_CLK_VPU_AXI_PODF]     = imx_clk_hw_divider("vpu_axi_podf",     "vpu_axi_sel",       base + 0x24, 25, 3);
 782         hws[IMX6QDL_CLK_CKO1_PODF]        = imx_clk_hw_divider("cko1_podf",        "cko1_sel",          base + 0x60, 4,  3);
 783         hws[IMX6QDL_CLK_CKO2_PODF]        = imx_clk_hw_divider("cko2_podf",        "cko2_sel",          base + 0x60, 21, 3);
 784
 785         /*                                                        name                 parent_name    reg        shift width busy: reg, shift */
 786         hws[IMX6QDL_CLK_AXI]               = imx_clk_hw_busy_divider("axi",               "axi_sel",     base + 0x14, 16,  3,   base + 0x48, 0);
 787         hws[IMX6QDL_CLK_MMDC_CH0_AXI_PODF] = imx_clk_hw_busy_divider("mmdc_ch0_axi_podf", "periph",      base + 0x14, 19,  3,   base + 0x48, 4);
 788         if (clk_on_imx6qp()) {
 789                 hws[IMX6QDL_CLK_MMDC_CH1_AXI_CG] = imx_clk_hw_gate("mmdc_ch1_axi_cg", "periph2", base + 0x4, 18);
 790                 hws[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_hw_busy_divider("mmdc_ch1_axi_podf", "mmdc_ch1_axi_cg", base + 0x14, 3, 3, base + 0x48, 2);
 791         } else {
 792                 hws[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_hw_busy_divider("mmdc_ch1_axi_podf", "periph2",     base + 0x14, 3,   3,   base + 0x48, 2);
 793         }
 794         hws[IMX6QDL_CLK_ARM]               = imx_clk_hw_busy_divider("arm",               "pll1_sw",     base + 0x10, 0,   3,   base + 0x48, 16);
 795         hws[IMX6QDL_CLK_AHB]               = imx_clk_hw_busy_divider("ahb",               "periph",      base + 0x14, 10,  3,   base + 0x48, 1);
 796
 797         /*                                            name             parent_name          reg         shift */
 798         hws[IMX6QDL_CLK_APBH_DMA]     = imx_clk_hw_gate2("apbh_dma",      "usdhc3",            base + 0x68, 4);
 799         hws[IMX6QDL_CLK_ASRC]         = imx_clk_hw_gate2_shared("asrc",         "asrc_podf",   base + 0x68, 6, &share_count_asrc);
 800         hws[IMX6QDL_CLK_ASRC_IPG]     = imx_clk_hw_gate2_shared("asrc_ipg",     "ahb",         base + 0x68, 6, &share_count_asrc);
 801         hws[IMX6QDL_CLK_ASRC_MEM]     = imx_clk_hw_gate2_shared("asrc_mem",     "ahb",         base + 0x68, 6, &share_count_asrc);
 802         hws[IMX6QDL_CLK_CAAM_MEM]     = imx_clk_hw_gate2("caam_mem",      "ahb",               base + 0x68, 8);
 803         hws[IMX6QDL_CLK_CAAM_ACLK]    = imx_clk_hw_gate2("caam_aclk",     "ahb",               base + 0x68, 10);
 804         hws[IMX6QDL_CLK_CAAM_IPG]     = imx_clk_hw_gate2("caam_ipg",      "ipg",               base + 0x68, 12);
 805         hws[IMX6QDL_CLK_CAN1_IPG]     = imx_clk_hw_gate2("can1_ipg",      "ipg",               base + 0x68, 14);
 806         hws[IMX6QDL_CLK_CAN1_SERIAL]  = imx_clk_hw_gate2("can1_serial",   "can_root",          base + 0x68, 16);
 807         hws[IMX6QDL_CLK_CAN2_IPG]     = imx_clk_hw_gate2("can2_ipg",      "ipg",               base + 0x68, 18);
 808         hws[IMX6QDL_CLK_CAN2_SERIAL]  = imx_clk_hw_gate2("can2_serial",   "can_root",          base + 0x68, 20);
 809         hws[IMX6QDL_CLK_DCIC1]        = imx_clk_hw_gate2("dcic1",         "ipu1_podf",         base + 0x68, 24);
 810         hws[IMX6QDL_CLK_DCIC2]        = imx_clk_hw_gate2("dcic2",         "ipu2_podf",         base + 0x68, 26);
 811         hws[IMX6QDL_CLK_ECSPI1]       = imx_clk_hw_gate2("ecspi1",        "ecspi_root",        base + 0x6c, 0);
 812         hws[IMX6QDL_CLK_ECSPI2]       = imx_clk_hw_gate2("ecspi2",        "ecspi_root",        base + 0x6c, 2);
 813         hws[IMX6QDL_CLK_ECSPI3]       = imx_clk_hw_gate2("ecspi3",        "ecspi_root",        base + 0x6c, 4);
 814         hws[IMX6QDL_CLK_ECSPI4]       = imx_clk_hw_gate2("ecspi4",        "ecspi_root",        base + 0x6c, 6);
 815         if (clk_on_imx6dl())
 816                 hws[IMX6DL_CLK_I2C4]  = imx_clk_hw_gate2("i2c4",          "ipg_per",           base + 0x6c, 8);
 817         else
 818                 hws[IMX6Q_CLK_ECSPI5] = imx_clk_hw_gate2("ecspi5",        "ecspi_root",        base + 0x6c, 8);
 819         hws[IMX6QDL_CLK_ENET]         = imx_clk_hw_gate2("enet",          "ipg",               base + 0x6c, 10);
 820         hws[IMX6QDL_CLK_EPIT1]        = imx_clk_hw_gate2("epit1",         "ipg",               base + 0x6c, 12);
 821         hws[IMX6QDL_CLK_EPIT2]        = imx_clk_hw_gate2("epit2",         "ipg",               base + 0x6c, 14);
 822         hws[IMX6QDL_CLK_ESAI_EXTAL]   = imx_clk_hw_gate2_shared("esai_extal",   "esai_podf",   base + 0x6c, 16, &share_count_esai);
 823         hws[IMX6QDL_CLK_ESAI_IPG]     = imx_clk_hw_gate2_shared("esai_ipg",   "ahb",           base + 0x6c, 16, &share_count_esai);
 824         hws[IMX6QDL_CLK_ESAI_MEM]     = imx_clk_hw_gate2_shared("esai_mem", "ahb",             base + 0x6c, 16, &share_count_esai);
 825         hws[IMX6QDL_CLK_GPT_IPG]      = imx_clk_hw_gate2("gpt_ipg",       "ipg",               base + 0x6c, 20);
 826         hws[IMX6QDL_CLK_GPT_IPG_PER]  = imx_clk_hw_gate2("gpt_ipg_per",   "ipg_per",           base + 0x6c, 22);
 827         hws[IMX6QDL_CLK_GPU2D_CORE] = imx_clk_hw_gate2("gpu2d_core", "gpu2d_core_podf", base + 0x6c, 24);
 828         hws[IMX6QDL_CLK_GPU3D_CORE]   = imx_clk_hw_gate2("gpu3d_core",    "gpu3d_core_podf",   base + 0x6c, 26);
 829         hws[IMX6QDL_CLK_HDMI_IAHB]    = imx_clk_hw_gate2("hdmi_iahb",     "ahb",               base + 0x70, 0);
 830         hws[IMX6QDL_CLK_HDMI_ISFR]    = imx_clk_hw_gate2("hdmi_isfr",     "mipi_core_cfg",     base + 0x70, 4);
 831         hws[IMX6QDL_CLK_I2C1]         = imx_clk_hw_gate2("i2c1",          "ipg_per",           base + 0x70, 6);
 832         hws[IMX6QDL_CLK_I2C2]         = imx_clk_hw_gate2("i2c2",          "ipg_per",           base + 0x70, 8);
 833         hws[IMX6QDL_CLK_I2C3]         = imx_clk_hw_gate2("i2c3",          "ipg_per",           base + 0x70, 10);
 834         hws[IMX6QDL_CLK_IIM]          = imx_clk_hw_gate2("iim",           "ipg",               base + 0x70, 12);
 835         hws[IMX6QDL_CLK_ENFC]         = imx_clk_hw_gate2("enfc",          "enfc_podf",         base + 0x70, 14);
 836         hws[IMX6QDL_CLK_VDOA]         = imx_clk_hw_gate2("vdoa",          "vdo_axi",           base + 0x70, 26);
 837         hws[IMX6QDL_CLK_IPU1]         = imx_clk_hw_gate2("ipu1",          "ipu1_podf",         base + 0x74, 0);
 838         hws[IMX6QDL_CLK_IPU1_DI0]     = imx_clk_hw_gate2("ipu1_di0",      "ipu1_di0_sel",      base + 0x74, 2);
 839         hws[IMX6QDL_CLK_IPU1_DI1]     = imx_clk_hw_gate2("ipu1_di1",      "ipu1_di1_sel",      base + 0x74, 4);
 840         hws[IMX6QDL_CLK_IPU2]         = imx_clk_hw_gate2("ipu2",          "ipu2_podf",         base + 0x74, 6);
 841         hws[IMX6QDL_CLK_IPU2_DI0]     = imx_clk_hw_gate2("ipu2_di0",      "ipu2_di0_sel",      base + 0x74, 8);
 842         if (clk_on_imx6qp()) {
 843                 hws[IMX6QDL_CLK_LDB_DI0]      = imx_clk_hw_gate2("ldb_di0",       "ldb_di0_sel",      base + 0x74, 12);
 844                 hws[IMX6QDL_CLK_LDB_DI1]      = imx_clk_hw_gate2("ldb_di1",       "ldb_di1_sel",      base + 0x74, 14);
 845         } else {
 846                 hws[IMX6QDL_CLK_LDB_DI0]      = imx_clk_hw_gate2("ldb_di0",       "ldb_di0_podf",      base + 0x74, 12);
 847                 hws[IMX6QDL_CLK_LDB_DI1]      = imx_clk_hw_gate2("ldb_di1",       "ldb_di1_podf",      base + 0x74, 14);
 848         }
 849         hws[IMX6QDL_CLK_IPU2_DI1]     = imx_clk_hw_gate2("ipu2_di1",      "ipu2_di1_sel",      base + 0x74, 10);
 850         hws[IMX6QDL_CLK_HSI_TX]       = imx_clk_hw_gate2_shared("hsi_tx", "hsi_tx_podf",       base + 0x74, 16, &share_count_mipi_core_cfg);
 851         hws[IMX6QDL_CLK_MIPI_CORE_CFG] = imx_clk_hw_gate2_shared("mipi_core_cfg", "video_27m", base + 0x74, 16, &share_count_mipi_core_cfg);
 852         hws[IMX6QDL_CLK_MIPI_IPG]     = imx_clk_hw_gate2_shared("mipi_ipg", "ipg",             base + 0x74, 16, &share_count_mipi_core_cfg);
 853
 854         if (clk_on_imx6dl())
 855                 /*
 856                  * The multiplexer and divider of the imx6q clock gpu2d get
 857                  * redefined/reused as mlb_sys_sel and mlb_sys_clk_podf on imx6dl.
 858                  */
 859                 hws[IMX6QDL_CLK_MLB] = imx_clk_hw_gate2("mlb",            "mlb_podf",   base + 0x74, 18);
 860         else
 861                 hws[IMX6QDL_CLK_MLB] = imx_clk_hw_gate2("mlb",            "axi",               base + 0x74, 18);
 862         hws[IMX6QDL_CLK_MMDC_CH0_AXI] = imx_clk_hw_gate2_flags("mmdc_ch0_axi",  "mmdc_ch0_axi_podf", base + 0x74, 20, CLK_IS_CRITICAL);
 863         hws[IMX6QDL_CLK_MMDC_CH1_AXI] = imx_clk_hw_gate2("mmdc_ch1_axi",  "mmdc_ch1_axi_podf", base + 0x74, 22);
 864         hws[IMX6QDL_CLK_MMDC_P0_IPG]  = imx_clk_hw_gate2_flags("mmdc_p0_ipg",   "ipg",         base + 0x74, 24, CLK_IS_CRITICAL);
 865         hws[IMX6QDL_CLK_OCRAM]        = imx_clk_hw_gate2("ocram",         "ahb",               base + 0x74, 28);
 866         hws[IMX6QDL_CLK_OPENVG_AXI]   = imx_clk_hw_gate2("openvg_axi",    "axi",               base + 0x74, 30);
 867         hws[IMX6QDL_CLK_PCIE_AXI]     = imx_clk_hw_gate2("pcie_axi",      "pcie_axi_sel",      base + 0x78, 0);
 868         hws[IMX6QDL_CLK_PER1_BCH]     = imx_clk_hw_gate2("per1_bch",      "usdhc3",            base + 0x78, 12);
 869         hws[IMX6QDL_CLK_PWM1]         = imx_clk_hw_gate2("pwm1",          "ipg_per",           base + 0x78, 16);
 870         hws[IMX6QDL_CLK_PWM2]         = imx_clk_hw_gate2("pwm2",          "ipg_per",           base + 0x78, 18);
 871         hws[IMX6QDL_CLK_PWM3]         = imx_clk_hw_gate2("pwm3",          "ipg_per",           base + 0x78, 20);
 872         hws[IMX6QDL_CLK_PWM4]         = imx_clk_hw_gate2("pwm4",          "ipg_per",           base + 0x78, 22);
 873         hws[IMX6QDL_CLK_GPMI_BCH_APB] = imx_clk_hw_gate2("gpmi_bch_apb",  "usdhc3",            base + 0x78, 24);
 874         hws[IMX6QDL_CLK_GPMI_BCH]     = imx_clk_hw_gate2("gpmi_bch",      "usdhc4",            base + 0x78, 26);
 875         hws[IMX6QDL_CLK_GPMI_IO]      = imx_clk_hw_gate2("gpmi_io",       "enfc",              base + 0x78, 28);
 876         hws[IMX6QDL_CLK_GPMI_APB]     = imx_clk_hw_gate2("gpmi_apb",      "usdhc3",            base + 0x78, 30);
 877         hws[IMX6QDL_CLK_ROM]          = imx_clk_hw_gate2_flags("rom",     "ahb",               base + 0x7c, 0, CLK_IS_CRITICAL);
 878         hws[IMX6QDL_CLK_SATA]         = imx_clk_hw_gate2("sata",          "ahb",               base + 0x7c, 4);
 879         hws[IMX6QDL_CLK_SDMA]         = imx_clk_hw_gate2("sdma",          "ahb",               base + 0x7c, 6);
 880         hws[IMX6QDL_CLK_SPBA]         = imx_clk_hw_gate2("spba",          "ipg",               base + 0x7c, 12);
 881         hws[IMX6QDL_CLK_SPDIF]        = imx_clk_hw_gate2_shared("spdif",     "spdif_podf",     base + 0x7c, 14, &share_count_spdif);
 882         hws[IMX6QDL_CLK_SPDIF_GCLK]   = imx_clk_hw_gate2_shared("spdif_gclk", "ipg",           base + 0x7c, 14, &share_count_spdif);
 883         hws[IMX6QDL_CLK_SSI1_IPG]     = imx_clk_hw_gate2_shared("ssi1_ipg",      "ipg",        base + 0x7c, 18, &share_count_ssi1);
 884         hws[IMX6QDL_CLK_SSI2_IPG]     = imx_clk_hw_gate2_shared("ssi2_ipg",      "ipg",        base + 0x7c, 20, &share_count_ssi2);
 885         hws[IMX6QDL_CLK_SSI3_IPG]     = imx_clk_hw_gate2_shared("ssi3_ipg",      "ipg",        base + 0x7c, 22, &share_count_ssi3);
 886         hws[IMX6QDL_CLK_SSI1]         = imx_clk_hw_gate2_shared("ssi1",          "ssi1_podf",  base + 0x7c, 18, &share_count_ssi1);
 887         hws[IMX6QDL_CLK_SSI2]         = imx_clk_hw_gate2_shared("ssi2",          "ssi2_podf",  base + 0x7c, 20, &share_count_ssi2);
 888         hws[IMX6QDL_CLK_SSI3]         = imx_clk_hw_gate2_shared("ssi3",          "ssi3_podf",  base + 0x7c, 22, &share_count_ssi3);
 889         hws[IMX6QDL_CLK_UART_IPG]     = imx_clk_hw_gate2("uart_ipg",      "ipg",               base + 0x7c, 24);
 890         hws[IMX6QDL_CLK_UART_SERIAL]  = imx_clk_hw_gate2("uart_serial",   "uart_serial_podf",  base + 0x7c, 26);
 891         hws[IMX6QDL_CLK_USBOH3]       = imx_clk_hw_gate2("usboh3",        "ipg",               base + 0x80, 0);
 892         hws[IMX6QDL_CLK_USDHC1]       = imx_clk_hw_gate2("usdhc1",        "usdhc1_podf",       base + 0x80, 2);
 893         hws[IMX6QDL_CLK_USDHC2]       = imx_clk_hw_gate2("usdhc2",        "usdhc2_podf",       base + 0x80, 4);
 894         hws[IMX6QDL_CLK_USDHC3]       = imx_clk_hw_gate2("usdhc3",        "usdhc3_podf",       base + 0x80, 6);
 895         hws[IMX6QDL_CLK_USDHC4]       = imx_clk_hw_gate2("usdhc4",        "usdhc4_podf",       base + 0x80, 8);
 896         hws[IMX6QDL_CLK_EIM_SLOW]     = imx_clk_hw_gate2("eim_slow",      "eim_slow_podf",     base + 0x80, 10);
 897         hws[IMX6QDL_CLK_VDO_AXI]      = imx_clk_hw_gate2("vdo_axi",       "vdo_axi_sel",       base + 0x80, 12);
 898         hws[IMX6QDL_CLK_VPU_AXI]      = imx_clk_hw_gate2("vpu_axi",       "vpu_axi_podf",      base + 0x80, 14);
 899         if (clk_on_imx6qp()) {
 900                 hws[IMX6QDL_CLK_PRE0] = imx_clk_hw_gate2("pre0",               "pre_axi",           base + 0x80, 16);
 901                 hws[IMX6QDL_CLK_PRE1] = imx_clk_hw_gate2("pre1",               "pre_axi",           base + 0x80, 18);
 902                 hws[IMX6QDL_CLK_PRE2] = imx_clk_hw_gate2("pre2",               "pre_axi",         base + 0x80, 20);
 903                 hws[IMX6QDL_CLK_PRE3] = imx_clk_hw_gate2("pre3",               "pre_axi",           base + 0x80, 22);
 904                 hws[IMX6QDL_CLK_PRG0_AXI] = imx_clk_hw_gate2_shared("prg0_axi",  "ipu1_podf",  base + 0x80, 24, &share_count_prg0);
 905                 hws[IMX6QDL_CLK_PRG1_AXI] = imx_clk_hw_gate2_shared("prg1_axi",  "ipu2_podf",  base + 0x80, 26, &share_count_prg1);
 906                 hws[IMX6QDL_CLK_PRG0_APB] = imx_clk_hw_gate2_shared("prg0_apb",  "ipg",     base + 0x80, 24, &share_count_prg0);
 907                 hws[IMX6QDL_CLK_PRG1_APB] = imx_clk_hw_gate2_shared("prg1_apb",  "ipg",     base + 0x80, 26, &share_count_prg1);
 908         }
 909         hws[IMX6QDL_CLK_CKO1]         = imx_clk_hw_gate("cko1",           "cko1_podf",         base + 0x60, 7);
 910         hws[IMX6QDL_CLK_CKO2]         = imx_clk_hw_gate("cko2",           "cko2_podf",         base + 0x60, 24);
 911
 912         /*
 913          * The gpt_3m clock is not available on i.MX6Q TO1.0.  Let's point it
 914          * to clock gpt_ipg_per to ease the gpt driver code.
 915          */
 916         if (clk_on_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0)
 917                 hws[IMX6QDL_CLK_GPT_3M] = hws[IMX6QDL_CLK_GPT_IPG_PER];
 918
 919         imx_check_clk_hws(hws, IMX6QDL_CLK_END);
 920
 921         of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data);
 922
 923         clk_hw_register_clkdev(hws[IMX6QDL_CLK_ENET_REF], "enet_ref", NULL);
 924
 925         clk_set_rate(hws[IMX6QDL_CLK_PLL3_PFD1_540M]->clk, 540000000);
 926         if (clk_on_imx6dl())
 927                 clk_set_parent(hws[IMX6QDL_CLK_IPU1_SEL]->clk, hws[IMX6QDL_CLK_PLL3_PFD1_540M]->clk);
 928
 929         clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI0_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk);
 930         clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI1_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk);
 931         clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI0_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk);
 932         clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI1_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk);
 933         clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI0_SEL]->clk, hws[IMX6QDL_CLK_IPU1_DI0_PRE]->clk);
 934         clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI1_SEL]->clk, hws[IMX6QDL_CLK_IPU1_DI1_PRE]->clk);
 935         clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI0_SEL]->clk, hws[IMX6QDL_CLK_IPU2_DI0_PRE]->clk);
 936         clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI1_SEL]->clk, hws[IMX6QDL_CLK_IPU2_DI1_PRE]->clk);
 937
 938         /*
 939          * The gpmi needs 100MHz frequency in the EDO/Sync mode,
 940          * We can not get the 100MHz from the pll2_pfd0_352m.
 941          * So choose pll2_pfd2_396m as enfc_sel's parent.
 942          */
 943         clk_set_parent(hws[IMX6QDL_CLK_ENFC_SEL]->clk, hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk);
 944
 945         if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {
 946                 clk_prepare_enable(hws[IMX6QDL_CLK_USBPHY1_GATE]->clk);
 947                 clk_prepare_enable(hws[IMX6QDL_CLK_USBPHY2_GATE]->clk);
 948         }
 949
 950         /*
 951          * Let's initially set up CLKO with OSC24M, since this configuration
 952          * is widely used by imx6q board designs to clock audio codec.
 953          */
 954         ret = clk_set_parent(hws[IMX6QDL_CLK_CKO2_SEL]->clk, hws[IMX6QDL_CLK_OSC]->clk);
 955         if (!ret)
 956                 ret = clk_set_parent(hws[IMX6QDL_CLK_CKO]->clk, hws[IMX6QDL_CLK_CKO2]->clk);
 957         if (ret)
 958                 pr_warn("failed to set up CLKO: %d\n", ret);
 959
 960         /* Audio-related clocks configuration */
 961         clk_set_parent(hws[IMX6QDL_CLK_SPDIF_SEL]->clk, hws[IMX6QDL_CLK_PLL3_PFD3_454M]->clk);
 962
 963         /* All existing boards with PCIe use LVDS1 */
 964         if (IS_ENABLED(CONFIG_PCI_IMX6))
 965                 clk_set_parent(hws[IMX6QDL_CLK_LVDS1_SEL]->clk, hws[IMX6QDL_CLK_SATA_REF_100M]->clk);
 966
 967         /*
 968          * Initialize the GPU clock muxes, so that the maximum specified clock
 969          * rates for the respective SoC are not exceeded.
 970          */
 971         if (clk_on_imx6dl()) {
 972                 clk_set_parent(hws[IMX6QDL_CLK_GPU3D_CORE_SEL]->clk,
 973                                hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk);
 974                 clk_set_parent(hws[IMX6QDL_CLK_GPU2D_CORE_SEL]->clk,
 975                                hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk);
 976         } else if (clk_on_imx6q()) {
 977                 clk_set_parent(hws[IMX6QDL_CLK_GPU3D_CORE_SEL]->clk,
 978                                hws[IMX6QDL_CLK_MMDC_CH0_AXI]->clk);
 979                 clk_set_parent(hws[IMX6QDL_CLK_GPU3D_SHADER_SEL]->clk,
 980                                hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk);
 981                 clk_set_parent(hws[IMX6QDL_CLK_GPU2D_CORE_SEL]->clk,
 982                                hws[IMX6QDL_CLK_PLL3_USB_OTG]->clk);
 983         }
 984
 985         for (i = 0; i < ARRAY_SIZE(uart_clk_ids); i++) {
 986                 int index = uart_clk_ids[i];
 987
 988                 uart_clks[i] = &hws[index]->clk;
 989         }
 990
 991         imx_register_uart_clocks(uart_clks);
 992 }
 993 CLK_OF_DECLARE(imx6q, "fsl,imx6q-ccm", imx6q_clocks_init);