drivers/clk/imx/clk-imx6ul.c

root/drivers/clk/imx/clk-imx6ul.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2015 Freescale Semiconductor, Inc.
 */

#include <dt-bindings/clock/imx6ul-clock.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/types.h>

#include "clk.h"

static const char *pll_bypass_src_sels[] = { "osc", "dummy", };
static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", };
static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", };
static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", };
static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", };
static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", };
static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", };
static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
static const char *ca7_secondary_sels[] = { "pll2_pfd2_396m", "pll2_bus", };
static const char *step_sels[] = { "osc", "ca7_secondary_sel", };
static const char *pll1_sw_sels[] = { "pll1_sys", "step", };
static const char *axi_alt_sels[] = { "pll2_pfd2_396m", "pll3_pfd1_540m", };
static const char *axi_sels[] = {"periph", "axi_alt_sel", };
static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", };
static const char *periph2_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll4_audio_div", };
static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "pll2_bypass_src", };
static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "osc", };
static const char *periph_sels[] = { "periph_pre", "periph_clk2", };
static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", };
static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *bch_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *gpmi_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *eim_slow_sels[] =  { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll3_pfd0_720m", };
static const char *spdif_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll5_video_div", "pll3_usb_otg", };
static const char *sai_sels[] = { "pll3_pfd2_508m", "pll5_video_div", "pll4_audio_div", };
static const char *lcdif_pre_sels[] = { "pll2_bus", "pll3_pfd3_454m", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd1_594m", "pll3_pfd1_540m", };
static const char *sim_pre_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd2_508m", };
static const char *ldb_di0_sels[] = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll2_pfd3_594m", "pll2_pfd1_594m", "pll3_pfd3_454m", };
static const char *ldb_di0_div_sels[] = { "ldb_di0_div_3_5", "ldb_di0_div_7", };
static const char *ldb_di1_div_sels[] = { "ldb_di1_div_3_5", "ldb_di1_div_7", };
static const char *qspi1_sels[] = { "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll2_bus", "pll3_pfd3_454m", "pll3_pfd2_508m", };
static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", "pll3_pfd3_454m", "dummy", "dummy", "dummy", };
static const char *can_sels[] = { "pll3_60m", "osc", "pll3_80m", "dummy", };
static const char *ecspi_sels[] = { "pll3_60m", "osc", };
static const char *uart_sels[] = { "pll3_80m", "osc", };
static const char *perclk_sels[] = { "ipg", "osc", };
static const char *lcdif_sels[] = { "lcdif_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", };
static const char *csi_sels[] = { "osc", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
static const char *sim_sels[] = { "sim_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", };
/* epdc_pre_sels, epdc_sels, esai_sels only exists on i.MX6ULL */
static const char *epdc_pre_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd2_508m", };
static const char *esai_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll5_video_div", "pll3_usb_otg", };
static const char *epdc_sels[] = { "epdc_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", };
static const char *cko1_sels[] = { "dummy", "dummy", "dummy", "dummy", "dummy", "axi", "enfc", "dummy", "dummy",
                                   "dummy", "lcdif_pix", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio_div", };
static const char *cko2_sels[] = { "dummy", "dummy", "dummy", "usdhc1", "dummy", "dummy", "ecspi_root", "dummy",
                                   "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "osc", "dummy",
                                   "dummy", "usdhc2", "sai1", "sai2", "sai3", "dummy", "dummy", "can_root",
                                   "dummy", "dummy", "dummy", "dummy", "uart_serial", "spdif", "dummy", "dummy", };
static const char *cko_sels[] = { "cko1", "cko2", };

static struct clk_hw **hws;
static struct clk_hw_onecell_data *clk_hw_data;

static const struct clk_div_table clk_enet_ref_table[] = {
        { .val = 0, .div = 20, },
        { .val = 1, .div = 10, },
        { .val = 2, .div = 5, },
        { .val = 3, .div = 4, },
        { }
};

static const struct clk_div_table post_div_table[] = {
        { .val = 2, .div = 1, },
        { .val = 1, .div = 2, },
        { .val = 0, .div = 4, },
        { }
};

static const struct clk_div_table video_div_table[] = {
        { .val = 0, .div = 1, },
        { .val = 1, .div = 2, },
        { .val = 2, .div = 1, },
        { .val = 3, .div = 4, },
        { }
};

static const char * enet1_ref_sels[] = { "enet1_ref_125m", "enet1_ref_pad", "dummy", "dummy"};
static const u32 enet1_ref_sels_table[] = { IMX6UL_GPR1_ENET1_TX_CLK_DIR,
                                            IMX6UL_GPR1_ENET1_CLK_SEL, 0,
                                            IMX6UL_GPR1_ENET1_TX_CLK_DIR | IMX6UL_GPR1_ENET1_CLK_SEL };
static const u32 enet1_ref_sels_table_mask = IMX6UL_GPR1_ENET1_TX_CLK_DIR |
                                             IMX6UL_GPR1_ENET1_CLK_SEL;
static const char * enet2_ref_sels[] = { "enet2_ref_125m", "enet2_ref_pad", "dummy", "dummy"};
static const u32 enet2_ref_sels_table[] = { IMX6UL_GPR1_ENET2_TX_CLK_DIR,
                                            IMX6UL_GPR1_ENET2_CLK_SEL, 0,
                                            IMX6UL_GPR1_ENET2_TX_CLK_DIR | IMX6UL_GPR1_ENET2_CLK_SEL };
static const u32 enet2_ref_sels_table_mask = IMX6UL_GPR1_ENET2_TX_CLK_DIR |
                                             IMX6UL_GPR1_ENET2_CLK_SEL;

static u32 share_count_asrc;
static u32 share_count_audio;
static u32 share_count_sai1;
static u32 share_count_sai2;
static u32 share_count_sai3;
static u32 share_count_esai;

static inline int clk_on_imx6ul(void)
{
        return of_machine_is_compatible("fsl,imx6ul");
}

static inline int clk_on_imx6ull(void)
{
        return of_machine_is_compatible("fsl,imx6ull");
}

static void __init imx6ul_clocks_init(struct device_node *ccm_node)
{
        struct device_node *np;
        void __iomem *base;

        clk_hw_data = kzalloc_flex(*clk_hw_data, hws, IMX6UL_CLK_END);
        if (WARN_ON(!clk_hw_data))
                return;

        clk_hw_data->num = IMX6UL_CLK_END;
        hws = clk_hw_data->hws;

        hws[IMX6UL_CLK_DUMMY] = imx_clk_hw_fixed("dummy", 0);

        hws[IMX6UL_CLK_CKIL] = imx_get_clk_hw_by_name(ccm_node, "ckil");
        hws[IMX6UL_CLK_OSC] = imx_get_clk_hw_by_name(ccm_node, "osc");

        /* ipp_di clock is external input */
        hws[IMX6UL_CLK_IPP_DI0] = imx_get_clk_hw_by_name(ccm_node, "ipp_di0");
        hws[IMX6UL_CLK_IPP_DI1] = imx_get_clk_hw_by_name(ccm_node, "ipp_di1");

        np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-anatop");
        base = of_iomap(np, 0);
        of_node_put(np);
        WARN_ON(!base);

        hws[IMX6UL_PLL1_BYPASS_SRC] = imx_clk_hw_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
        hws[IMX6UL_PLL2_BYPASS_SRC] = imx_clk_hw_mux("pll2_bypass_src", base + 0x30, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
        hws[IMX6UL_PLL3_BYPASS_SRC] = imx_clk_hw_mux("pll3_bypass_src", base + 0x10, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
        hws[IMX6UL_PLL4_BYPASS_SRC] = imx_clk_hw_mux("pll4_bypass_src", base + 0x70, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
        hws[IMX6UL_PLL5_BYPASS_SRC] = imx_clk_hw_mux("pll5_bypass_src", base + 0xa0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
        hws[IMX6UL_PLL6_BYPASS_SRC] = imx_clk_hw_mux("pll6_bypass_src", base + 0xe0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
        hws[IMX6UL_PLL7_BYPASS_SRC] = imx_clk_hw_mux("pll7_bypass_src", base + 0x20, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));

        hws[IMX6UL_CLK_PLL1] = imx_clk_hw_pllv3(IMX_PLLV3_SYS,   "pll1", "osc", base + 0x00, 0x7f);
        hws[IMX6UL_CLK_PLL2] = imx_clk_hw_pllv3(IMX_PLLV3_GENERIC, "pll2", "osc", base + 0x30, 0x1);
        hws[IMX6UL_CLK_PLL3] = imx_clk_hw_pllv3(IMX_PLLV3_USB,   "pll3", "osc", base + 0x10, 0x3);
        hws[IMX6UL_CLK_PLL4] = imx_clk_hw_pllv3(IMX_PLLV3_AV,    "pll4", "osc", base + 0x70, 0x7f);
        hws[IMX6UL_CLK_PLL5] = imx_clk_hw_pllv3(IMX_PLLV3_AV,    "pll5", "osc", base + 0xa0, 0x7f);
        hws[IMX6UL_CLK_PLL6] = imx_clk_hw_pllv3(IMX_PLLV3_ENET,  "pll6", "osc", base + 0xe0, 0x3);
        hws[IMX6UL_CLK_PLL7] = imx_clk_hw_pllv3(IMX_PLLV3_USB,   "pll7", "osc", base + 0x20, 0x3);

        hws[IMX6UL_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);
        hws[IMX6UL_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);
        hws[IMX6UL_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);
        hws[IMX6UL_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);
        hws[IMX6UL_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);
        hws[IMX6UL_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);
        hws[IMX6UL_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);

        /* Do not bypass PLLs initially */
        clk_set_parent(hws[IMX6UL_PLL1_BYPASS]->clk, hws[IMX6UL_CLK_PLL1]->clk);
        clk_set_parent(hws[IMX6UL_PLL2_BYPASS]->clk, hws[IMX6UL_CLK_PLL2]->clk);
        clk_set_parent(hws[IMX6UL_PLL3_BYPASS]->clk, hws[IMX6UL_CLK_PLL3]->clk);
        clk_set_parent(hws[IMX6UL_PLL4_BYPASS]->clk, hws[IMX6UL_CLK_PLL4]->clk);
        clk_set_parent(hws[IMX6UL_PLL5_BYPASS]->clk, hws[IMX6UL_CLK_PLL5]->clk);
        clk_set_parent(hws[IMX6UL_PLL6_BYPASS]->clk, hws[IMX6UL_CLK_PLL6]->clk);
        clk_set_parent(hws[IMX6UL_PLL7_BYPASS]->clk, hws[IMX6UL_CLK_PLL7]->clk);

        hws[IMX6UL_CLK_PLL1_SYS]        = imx_clk_hw_fixed_factor("pll1_sys",   "pll1_bypass", 1, 1);
        hws[IMX6UL_CLK_PLL2_BUS]        = imx_clk_hw_gate("pll2_bus",   "pll2_bypass", base + 0x30, 13);
        hws[IMX6UL_CLK_PLL3_USB_OTG]    = imx_clk_hw_gate("pll3_usb_otg",       "pll3_bypass", base + 0x10, 13);
        hws[IMX6UL_CLK_PLL4_AUDIO]      = imx_clk_hw_gate("pll4_audio", "pll4_bypass", base + 0x70, 13);
        hws[IMX6UL_CLK_PLL5_VIDEO]      = imx_clk_hw_gate("pll5_video", "pll5_bypass", base + 0xa0, 13);
        hws[IMX6UL_CLK_PLL6_ENET]       = imx_clk_hw_fixed_factor("pll6_enet",  "pll6_bypass", 1, 1);
        hws[IMX6UL_CLK_PLL7_USB_HOST]   = imx_clk_hw_gate("pll7_usb_host",      "pll7_bypass", base + 0x20, 13);

        /*
         * Bit 20 is the reserved and read-only bit, we do this only for:
         * - Do nothing for usbphy clk_enable/disable
         * - Keep refcount when do usbphy clk_enable/disable, in that case,
         * the clk framework many need to enable/disable usbphy's parent
         */
        hws[IMX6UL_CLK_USBPHY1] = imx_clk_hw_gate("usbphy1", "pll3_usb_otg",  base + 0x10, 20);
        hws[IMX6UL_CLK_USBPHY2] = imx_clk_hw_gate("usbphy2", "pll7_usb_host", base + 0x20, 20);

        /*
         * usbphy*_gate needs to be on after system boots up, and software
         * never needs to control it anymore.
         */
        hws[IMX6UL_CLK_USBPHY1_GATE] = imx_clk_hw_gate("usbphy1_gate", "dummy", base + 0x10, 6);
        hws[IMX6UL_CLK_USBPHY2_GATE] = imx_clk_hw_gate("usbphy2_gate", "dummy", base + 0x20, 6);

        /*                                      name               parent_name     reg          idx */
        hws[IMX6UL_CLK_PLL2_PFD0] = imx_clk_hw_pfd("pll2_pfd0_352m", "pll2_bus",           base + 0x100, 0);
        hws[IMX6UL_CLK_PLL2_PFD1] = imx_clk_hw_pfd("pll2_pfd1_594m", "pll2_bus",           base + 0x100, 1);
        hws[IMX6UL_CLK_PLL2_PFD2] = imx_clk_hw_pfd("pll2_pfd2_396m", "pll2_bus",           base + 0x100, 2);
        hws[IMX6UL_CLK_PLL2_PFD3] = imx_clk_hw_pfd("pll2_pfd3_594m", "pll2_bus",           base + 0x100, 3);
        hws[IMX6UL_CLK_PLL3_PFD0] = imx_clk_hw_pfd("pll3_pfd0_720m", "pll3_usb_otg", base + 0xf0,  0);
        hws[IMX6UL_CLK_PLL3_PFD1] = imx_clk_hw_pfd("pll3_pfd1_540m", "pll3_usb_otg", base + 0xf0,  1);
        hws[IMX6UL_CLK_PLL3_PFD2] = imx_clk_hw_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0,        2);
        hws[IMX6UL_CLK_PLL3_PFD3] = imx_clk_hw_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0,        3);

        hws[IMX6UL_CLK_ENET_REF] = clk_hw_register_divider_table(NULL, "enet1_ref", "pll6_enet", 0,
                        base + 0xe0, 0, 2, 0, clk_enet_ref_table, &imx_ccm_lock);
        hws[IMX6UL_CLK_ENET2_REF] = clk_hw_register_divider_table(NULL, "enet2_ref", "pll6_enet", 0,
                        base + 0xe0, 2, 2, 0, clk_enet_ref_table, &imx_ccm_lock);

        hws[IMX6UL_CLK_ENET1_REF_125M] = imx_clk_hw_gate("enet1_ref_125m", "enet1_ref", base + 0xe0, 13);
        hws[IMX6UL_CLK_ENET2_REF_125M] = imx_clk_hw_gate("enet2_ref_125m", "enet2_ref", base + 0xe0, 20);
        hws[IMX6UL_CLK_ENET_PTP_REF]    = imx_clk_hw_fixed_factor("enet_ptp_ref", "pll6_enet", 1, 20);
        hws[IMX6UL_CLK_ENET_PTP]        = imx_clk_hw_gate("enet_ptp", "enet_ptp_ref", base + 0xe0, 21);

        hws[IMX6UL_CLK_PLL4_POST_DIV]  = clk_hw_register_divider_table(NULL, "pll4_post_div", "pll4_audio",
                 CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock);
        hws[IMX6UL_CLK_PLL4_AUDIO_DIV] = clk_hw_register_divider(NULL, "pll4_audio_div", "pll4_post_div",
                 CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x170, 15, 1, 0, &imx_ccm_lock);
        hws[IMX6UL_CLK_PLL5_POST_DIV]  = clk_hw_register_divider_table(NULL, "pll5_post_div", "pll5_video",
                 CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock);
        hws[IMX6UL_CLK_PLL5_VIDEO_DIV] = clk_hw_register_divider_table(NULL, "pll5_video_div", "pll5_post_div",
                 CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock);

        /*                                                 name         parent_name      mult  div */
        hws[IMX6UL_CLK_PLL2_198M] = imx_clk_hw_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1,   2);
        hws[IMX6UL_CLK_PLL3_80M]  = imx_clk_hw_fixed_factor("pll3_80m",  "pll3_usb_otg",   1,   6);
        hws[IMX6UL_CLK_PLL3_60M]  = imx_clk_hw_fixed_factor("pll3_60m",  "pll3_usb_otg",   1,   8);
        hws[IMX6UL_CLK_GPT_3M]     = imx_clk_hw_fixed_factor("gpt_3m",  "osc",           1,     8);

        np = ccm_node;
        base = of_iomap(np, 0);
        WARN_ON(!base);

        hws[IMX6UL_CA7_SECONDARY_SEL]     = imx_clk_hw_mux("ca7_secondary_sel", base + 0xc, 3, 1, ca7_secondary_sels, ARRAY_SIZE(ca7_secondary_sels));
        hws[IMX6UL_CLK_STEP]              = imx_clk_hw_mux("step", base + 0x0c, 8, 1, step_sels, ARRAY_SIZE(step_sels));
        hws[IMX6UL_CLK_PLL1_SW]   = imx_clk_hw_mux_flags("pll1_sw",   base + 0x0c, 2,  1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels), 0);
        hws[IMX6UL_CLK_AXI_ALT_SEL]       = imx_clk_hw_mux("axi_alt_sel",               base + 0x14, 7,  1, axi_alt_sels, ARRAY_SIZE(axi_alt_sels));
        hws[IMX6UL_CLK_AXI_SEL]   = imx_clk_hw_mux_flags("axi_sel",     base + 0x14, 6,  1, axi_sels, ARRAY_SIZE(axi_sels), 0);
        hws[IMX6UL_CLK_PERIPH_PRE]        = imx_clk_hw_mux("periph_pre",       base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels));
        hws[IMX6UL_CLK_PERIPH2_PRE]       = imx_clk_hw_mux("periph2_pre",      base + 0x18, 21, 2, periph2_pre_sels, ARRAY_SIZE(periph2_pre_sels));
        hws[IMX6UL_CLK_PERIPH_CLK2_SEL]  = imx_clk_hw_mux("periph_clk2_sel",  base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
        hws[IMX6UL_CLK_PERIPH2_CLK2_SEL] = imx_clk_hw_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels));
        hws[IMX6UL_CLK_EIM_SLOW_SEL]      = imx_clk_hw_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels));
        hws[IMX6UL_CLK_GPMI_SEL]          = imx_clk_hw_mux("gpmi_sel",     base + 0x1c, 19, 1, gpmi_sels, ARRAY_SIZE(gpmi_sels));
        hws[IMX6UL_CLK_BCH_SEL]   = imx_clk_hw_mux("bch_sel",   base + 0x1c, 18, 1, bch_sels, ARRAY_SIZE(bch_sels));
        hws[IMX6UL_CLK_USDHC2_SEL]        = imx_clk_hw_mux("usdhc2_sel",   base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
        hws[IMX6UL_CLK_USDHC1_SEL]        = imx_clk_hw_mux("usdhc1_sel",   base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
        hws[IMX6UL_CLK_SAI3_SEL]          = imx_clk_hw_mux("sai3_sel",     base + 0x1c, 14, 2, sai_sels, ARRAY_SIZE(sai_sels));
        hws[IMX6UL_CLK_SAI2_SEL]         = imx_clk_hw_mux("sai2_sel",     base + 0x1c, 12, 2, sai_sels, ARRAY_SIZE(sai_sels));
        hws[IMX6UL_CLK_SAI1_SEL]          = imx_clk_hw_mux("sai1_sel",     base + 0x1c, 10, 2, sai_sels, ARRAY_SIZE(sai_sels));
        hws[IMX6UL_CLK_QSPI1_SEL]         = imx_clk_hw_mux("qspi1_sel",    base + 0x1c, 7,  3, qspi1_sels, ARRAY_SIZE(qspi1_sels));
        hws[IMX6UL_CLK_PERCLK_SEL]        = imx_clk_hw_mux("perclk_sel",        base + 0x1c, 6,  1, perclk_sels, ARRAY_SIZE(perclk_sels));
        hws[IMX6UL_CLK_CAN_SEL]   = imx_clk_hw_mux("can_sel",   base + 0x20, 8,  2, can_sels, ARRAY_SIZE(can_sels));
        if (clk_on_imx6ull())
                hws[IMX6ULL_CLK_ESAI_SEL]         = imx_clk_hw_mux("esai_sel",  base + 0x20, 19, 2, esai_sels, ARRAY_SIZE(esai_sels));
        hws[IMX6UL_CLK_UART_SEL]          = imx_clk_hw_mux("uart_sel",  base + 0x24, 6,  1, uart_sels, ARRAY_SIZE(uart_sels));
        hws[IMX6UL_CLK_ENFC_SEL]          = imx_clk_hw_mux("enfc_sel",  base + 0x2c, 15, 3, enfc_sels, ARRAY_SIZE(enfc_sels));
        hws[IMX6UL_CLK_LDB_DI0_SEL]       = imx_clk_hw_mux("ldb_di0_sel",       base + 0x2c, 9,  3, ldb_di0_sels, ARRAY_SIZE(ldb_di0_sels));
        hws[IMX6UL_CLK_SPDIF_SEL]         = imx_clk_hw_mux("spdif_sel", base + 0x30, 20, 2, spdif_sels, ARRAY_SIZE(spdif_sels));
        if (clk_on_imx6ul()) {
                hws[IMX6UL_CLK_SIM_PRE_SEL]     = imx_clk_hw_mux("sim_pre_sel", base + 0x34, 15, 3, sim_pre_sels, ARRAY_SIZE(sim_pre_sels));
                hws[IMX6UL_CLK_SIM_SEL]         = imx_clk_hw_mux("sim_sel",     base + 0x34, 9, 3, sim_sels, ARRAY_SIZE(sim_sels));
        } else if (clk_on_imx6ull()) {
                hws[IMX6ULL_CLK_EPDC_PRE_SEL]   = imx_clk_hw_mux("epdc_pre_sel",        base + 0x34, 15, 3, epdc_pre_sels, ARRAY_SIZE(epdc_pre_sels));
                hws[IMX6ULL_CLK_EPDC_SEL]       = imx_clk_hw_mux("epdc_sel",    base + 0x34, 9, 3, epdc_sels, ARRAY_SIZE(epdc_sels));
        }
        hws[IMX6UL_CLK_ECSPI_SEL]         = imx_clk_hw_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels));
        hws[IMX6UL_CLK_LCDIF_PRE_SEL]     = imx_clk_hw_mux_flags("lcdif_pre_sel", base + 0x38, 15, 3, lcdif_pre_sels, ARRAY_SIZE(lcdif_pre_sels), CLK_SET_RATE_PARENT);
        hws[IMX6UL_CLK_LCDIF_SEL]         = imx_clk_hw_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels));
        hws[IMX6UL_CLK_CSI_SEL]           = imx_clk_hw_mux("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels));

        hws[IMX6UL_CLK_LDB_DI0_DIV_SEL]  = imx_clk_hw_mux("ldb_di0", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels));
        hws[IMX6UL_CLK_LDB_DI1_DIV_SEL]  = imx_clk_hw_mux("ldb_di1", base + 0x20, 11, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels));

        hws[IMX6UL_CLK_CKO1_SEL]          = imx_clk_hw_mux("cko1_sel", base + 0x60, 0,  4, cko1_sels, ARRAY_SIZE(cko1_sels));
        hws[IMX6UL_CLK_CKO2_SEL]          = imx_clk_hw_mux("cko2_sel", base + 0x60, 16, 5, cko2_sels, ARRAY_SIZE(cko2_sels));
        hws[IMX6UL_CLK_CKO]               = imx_clk_hw_mux("cko", base + 0x60, 8, 1, cko_sels, ARRAY_SIZE(cko_sels));

        hws[IMX6UL_CLK_LDB_DI0_DIV_3_5] = imx_clk_hw_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
        hws[IMX6UL_CLK_LDB_DI0_DIV_7]    = imx_clk_hw_fixed_factor("ldb_di0_div_7",   "ldb_di0_sel", 1, 7);
        hws[IMX6UL_CLK_LDB_DI1_DIV_3_5] = imx_clk_hw_fixed_factor("ldb_di1_div_3_5", "qspi1_sel", 2, 7);
        hws[IMX6UL_CLK_LDB_DI1_DIV_7]    = imx_clk_hw_fixed_factor("ldb_di1_div_7",   "qspi1_sel", 1, 7);

        hws[IMX6UL_CLK_PERIPH]  = imx_clk_hw_busy_mux("periph",  base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels));
        hws[IMX6UL_CLK_PERIPH2] = imx_clk_hw_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels));

        hws[IMX6UL_CLK_PERIPH_CLK2]     = imx_clk_hw_divider("periph_clk2",   "periph_clk2_sel",        base + 0x14, 27, 3);
        hws[IMX6UL_CLK_PERIPH2_CLK2]    = imx_clk_hw_divider("periph2_clk2",  "periph2_clk2_sel",       base + 0x14, 0,  3);
        hws[IMX6UL_CLK_IPG]             = imx_clk_hw_divider("ipg",        "ahb",               base + 0x14, 8,  2);
        hws[IMX6UL_CLK_LCDIF_PODF]      = imx_clk_hw_divider("lcdif_podf",         "lcdif_pred",        base + 0x18, 23, 3);
        hws[IMX6UL_CLK_QSPI1_PDOF]      = imx_clk_hw_divider("qspi1_podf",         "qspi1_sel",         base + 0x1c, 26, 3);
        hws[IMX6UL_CLK_EIM_SLOW_PODF]   = imx_clk_hw_divider("eim_slow_podf", "eim_slow_sel",   base + 0x1c, 23, 3);
        hws[IMX6UL_CLK_PERCLK]          = imx_clk_hw_divider("perclk",     "perclk_sel",        base + 0x1c, 0,  6);
        hws[IMX6UL_CLK_CAN_PODF]        = imx_clk_hw_divider("can_podf",           "can_sel",           base + 0x20, 2,  6);
        hws[IMX6UL_CLK_GPMI_PODF]       = imx_clk_hw_divider("gpmi_podf",          "gpmi_sel",          base + 0x24, 22, 3);
        hws[IMX6UL_CLK_BCH_PODF]        = imx_clk_hw_divider("bch_podf",           "bch_sel",           base + 0x24, 19, 3);
        hws[IMX6UL_CLK_USDHC2_PODF]     = imx_clk_hw_divider("usdhc2_podf",   "usdhc2_sel",     base + 0x24, 16, 3);
        hws[IMX6UL_CLK_USDHC1_PODF]     = imx_clk_hw_divider("usdhc1_podf",   "usdhc1_sel",     base + 0x24, 11, 3);
        hws[IMX6UL_CLK_UART_PODF]       = imx_clk_hw_divider("uart_podf",          "uart_sel",          base + 0x24, 0,  6);
        hws[IMX6UL_CLK_SAI3_PRED]       = imx_clk_hw_divider("sai3_pred",          "sai3_sel",          base + 0x28, 22, 3);
        hws[IMX6UL_CLK_SAI3_PODF]       = imx_clk_hw_divider("sai3_podf",          "sai3_pred",         base + 0x28, 16, 6);
        hws[IMX6UL_CLK_SAI1_PRED]       = imx_clk_hw_divider("sai1_pred",          "sai1_sel",          base + 0x28, 6,  3);
        hws[IMX6UL_CLK_SAI1_PODF]       = imx_clk_hw_divider("sai1_podf",          "sai1_pred",         base + 0x28, 0,  6);
        if (clk_on_imx6ull()) {
                hws[IMX6ULL_CLK_ESAI_PRED]      = imx_clk_hw_divider("esai_pred",     "esai_sel",               base + 0x28, 9,  3);
                hws[IMX6ULL_CLK_ESAI_PODF]      = imx_clk_hw_divider("esai_podf",     "esai_pred",              base + 0x28, 25, 3);
        }
        hws[IMX6UL_CLK_ENFC_PRED]       = imx_clk_hw_divider("enfc_pred",          "enfc_sel",          base + 0x2c, 18, 3);
        hws[IMX6UL_CLK_ENFC_PODF]       = imx_clk_hw_divider("enfc_podf",          "enfc_pred",         base + 0x2c, 21, 6);
        hws[IMX6UL_CLK_SAI2_PRED]       = imx_clk_hw_divider("sai2_pred",          "sai2_sel",          base + 0x2c, 6,  3);
        hws[IMX6UL_CLK_SAI2_PODF]       = imx_clk_hw_divider("sai2_podf",          "sai2_pred",         base + 0x2c, 0,  6);
        hws[IMX6UL_CLK_SPDIF_PRED]      = imx_clk_hw_divider("spdif_pred",         "spdif_sel",         base + 0x30, 25, 3);
        hws[IMX6UL_CLK_SPDIF_PODF]      = imx_clk_hw_divider("spdif_podf",         "spdif_pred",        base + 0x30, 22, 3);
        if (clk_on_imx6ul())
                hws[IMX6UL_CLK_SIM_PODF]        = imx_clk_hw_divider("sim_podf",           "sim_pre_sel",       base + 0x34, 12, 3);
        else if (clk_on_imx6ull())
                hws[IMX6ULL_CLK_EPDC_PODF]      = imx_clk_hw_divider("epdc_podf",          "epdc_pre_sel",      base + 0x34, 12, 3);
        hws[IMX6UL_CLK_ECSPI_PODF]      = imx_clk_hw_divider("ecspi_podf",         "ecspi_sel",         base + 0x38, 19, 6);
        hws[IMX6UL_CLK_LCDIF_PRED]      = imx_clk_hw_divider("lcdif_pred",         "lcdif_pre_sel",     base + 0x38, 12, 3);
        hws[IMX6UL_CLK_CSI_PODF]       = imx_clk_hw_divider("csi_podf",      "csi_sel",           base + 0x3c, 11, 3);

        hws[IMX6UL_CLK_CKO1_PODF]       = imx_clk_hw_divider("cko1_podf",     "cko1_sel",          base + 0x60, 4,  3);
        hws[IMX6UL_CLK_CKO2_PODF]       = imx_clk_hw_divider("cko2_podf",     "cko2_sel",          base + 0x60, 21, 3);

        hws[IMX6UL_CLK_ARM]             = imx_clk_hw_busy_divider("arm",            "pll1_sw",  base +  0x10, 0,  3,  base + 0x48, 16);
        hws[IMX6UL_CLK_MMDC_PODF]       = imx_clk_hw_busy_divider("mmdc_podf", "periph2",       base +  0x14, 3,  3,  base + 0x48, 2);
        hws[IMX6UL_CLK_AXI_PODF]        = imx_clk_hw_busy_divider("axi_podf",  "axi_sel",       base +  0x14, 16, 3,  base + 0x48, 0);
        hws[IMX6UL_CLK_AHB]             = imx_clk_hw_busy_divider("ahb",            "periph",   base +  0x14, 10, 3,  base + 0x48, 1);

        /* CCGR0 */
        hws[IMX6UL_CLK_AIPSTZ1] = imx_clk_hw_gate2_flags("aips_tz1", "ahb", base + 0x68, 0, CLK_IS_CRITICAL);
        hws[IMX6UL_CLK_AIPSTZ2] = imx_clk_hw_gate2_flags("aips_tz2", "ahb", base + 0x68, 2, CLK_IS_CRITICAL);
        hws[IMX6UL_CLK_APBHDMA] = imx_clk_hw_gate2("apbh_dma",  "bch_podf",     base + 0x68,    4);
        hws[IMX6UL_CLK_ASRC_IPG]        = imx_clk_hw_gate2_shared("asrc_ipg",   "ahb",  base + 0x68,    6, &share_count_asrc);
        hws[IMX6UL_CLK_ASRC_MEM]        = imx_clk_hw_gate2_shared("asrc_mem",   "ahb",  base + 0x68,    6, &share_count_asrc);
        if (clk_on_imx6ul()) {
                hws[IMX6UL_CLK_CAAM_MEM]        = imx_clk_hw_gate2("caam_mem",  "ahb",          base + 0x68,    8);
                hws[IMX6UL_CLK_CAAM_ACLK]       = imx_clk_hw_gate2("caam_aclk", "ahb",          base + 0x68,    10);
                hws[IMX6UL_CLK_CAAM_IPG]        = imx_clk_hw_gate2("caam_ipg",  "ipg",          base + 0x68,    12);
        } else if (clk_on_imx6ull()) {
                hws[IMX6ULL_CLK_DCP_CLK]        = imx_clk_hw_gate2("dcp",               "ahb",          base + 0x68,    10);
                hws[IMX6UL_CLK_ENET]            = imx_clk_hw_gate2("enet",              "ipg",          base + 0x68,    12);
                hws[IMX6UL_CLK_ENET_AHB]        = imx_clk_hw_gate2("enet_ahb",  "ahb",          base + 0x68,    12);
        }
        hws[IMX6UL_CLK_CAN1_IPG]        = imx_clk_hw_gate2("can1_ipg",  "ipg",          base + 0x68,    14);
        hws[IMX6UL_CLK_CAN1_SERIAL]     = imx_clk_hw_gate2("can1_serial",       "can_podf",     base + 0x68,    16);
        hws[IMX6UL_CLK_CAN2_IPG]        = imx_clk_hw_gate2("can2_ipg",  "ipg",          base + 0x68,    18);
        hws[IMX6UL_CLK_CAN2_SERIAL]     = imx_clk_hw_gate2("can2_serial",       "can_podf",     base + 0x68,    20);
        hws[IMX6UL_CLK_GPT2_BUS]        = imx_clk_hw_gate2("gpt2_bus",  "perclk",       base + 0x68,    24);
        hws[IMX6UL_CLK_GPT2_SERIAL]     = imx_clk_hw_gate2("gpt2_serial",       "perclk",       base + 0x68,    26);
        hws[IMX6UL_CLK_UART2_IPG]       = imx_clk_hw_gate2("uart2_ipg", "ipg",          base + 0x68,    28);
        hws[IMX6UL_CLK_UART2_SERIAL]    = imx_clk_hw_gate2("uart2_serial",      "uart_podf",    base + 0x68,    28);
        if (clk_on_imx6ull())
                hws[IMX6UL_CLK_AIPSTZ3] = imx_clk_hw_gate2("aips_tz3",  "ahb",           base + 0x80,   18);
        hws[IMX6UL_CLK_GPIO2]           = imx_clk_hw_gate2("gpio2",     "ipg",          base + 0x68,    30);

        /* CCGR1 */
        hws[IMX6UL_CLK_ECSPI1]          = imx_clk_hw_gate2("ecspi1",    "ecspi_podf",   base + 0x6c,    0);
        hws[IMX6UL_CLK_ECSPI2]          = imx_clk_hw_gate2("ecspi2",    "ecspi_podf",   base + 0x6c,    2);
        hws[IMX6UL_CLK_ECSPI3]          = imx_clk_hw_gate2("ecspi3",    "ecspi_podf",   base + 0x6c,    4);
        hws[IMX6UL_CLK_ECSPI4]          = imx_clk_hw_gate2("ecspi4",    "ecspi_podf",   base + 0x6c,    6);
        hws[IMX6UL_CLK_ADC2]            = imx_clk_hw_gate2("adc2",              "ipg",          base + 0x6c,    8);
        hws[IMX6UL_CLK_UART3_IPG]       = imx_clk_hw_gate2("uart3_ipg", "ipg",          base + 0x6c,    10);
        hws[IMX6UL_CLK_UART3_SERIAL]    = imx_clk_hw_gate2("uart3_serial",      "uart_podf",    base + 0x6c,    10);
        hws[IMX6UL_CLK_EPIT1]           = imx_clk_hw_gate2("epit1",     "perclk",       base + 0x6c,    12);
        hws[IMX6UL_CLK_EPIT2]           = imx_clk_hw_gate2("epit2",     "perclk",       base + 0x6c,    14);
        hws[IMX6UL_CLK_ADC1]            = imx_clk_hw_gate2("adc1",              "ipg",          base + 0x6c,    16);
        hws[IMX6UL_CLK_GPT1_BUS]        = imx_clk_hw_gate2("gpt1_bus",  "perclk",       base + 0x6c,    20);
        hws[IMX6UL_CLK_GPT1_SERIAL]     = imx_clk_hw_gate2("gpt1_serial",       "perclk",       base + 0x6c,    22);
        hws[IMX6UL_CLK_UART4_IPG]       = imx_clk_hw_gate2("uart4_ipg", "ipg",          base + 0x6c,    24);
        hws[IMX6UL_CLK_UART4_SERIAL]    = imx_clk_hw_gate2("uart4_serial",      "uart_podf",    base + 0x6c,    24);
        hws[IMX6UL_CLK_GPIO1]           = imx_clk_hw_gate2("gpio1",     "ipg",          base + 0x6c,    26);
        hws[IMX6UL_CLK_GPIO5]           = imx_clk_hw_gate2("gpio5",     "ipg",          base + 0x6c,    30);

        /* CCGR2 */
        if (clk_on_imx6ull()) {
                hws[IMX6ULL_CLK_ESAI_EXTAL]     = imx_clk_hw_gate2_shared("esai_extal", "esai_podf",    base + 0x70,    0, &share_count_esai);
                hws[IMX6ULL_CLK_ESAI_IPG]       = imx_clk_hw_gate2_shared("esai_ipg",   "ahb",          base + 0x70,    0, &share_count_esai);
                hws[IMX6ULL_CLK_ESAI_MEM]       = imx_clk_hw_gate2_shared("esai_mem",   "ahb",          base + 0x70,    0, &share_count_esai);
        }
        hws[IMX6UL_CLK_I2C1]            = imx_clk_hw_gate2("i2c1",              "perclk",       base + 0x70,    6);
        hws[IMX6UL_CLK_I2C2]            = imx_clk_hw_gate2("i2c2",              "perclk",       base + 0x70,    8);
        hws[IMX6UL_CLK_I2C3]            = imx_clk_hw_gate2("i2c3",              "perclk",       base + 0x70,    10);
        hws[IMX6UL_CLK_OCOTP]           = imx_clk_hw_gate2("ocotp",     "ipg",          base + 0x70,    12);
        hws[IMX6UL_CLK_IOMUXC]          = imx_clk_hw_gate2("iomuxc",    "lcdif_podf",   base + 0x70,    14);
        hws[IMX6UL_CLK_GPIO3]           = imx_clk_hw_gate2("gpio3",     "ipg",          base + 0x70,    26);
        hws[IMX6UL_CLK_LCDIF_APB]       = imx_clk_hw_gate2("lcdif_apb", "axi",          base + 0x70,    28);
        hws[IMX6UL_CLK_PXP]             = imx_clk_hw_gate2("pxp",               "axi",          base + 0x70,    30);

        /* CCGR3 */
        /*
         * Although the imx6ull reference manual lists CCGR2 as the csi clk
         * gate register, tests have shown that it is actually the CCGR3
         * register bit 0/1, same as for the imx6ul.
         */
        hws[IMX6UL_CLK_CSI]             = imx_clk_hw_gate2("csi",       "csi_podf",     base + 0x74,    0);
        hws[IMX6UL_CLK_UART5_IPG]       = imx_clk_hw_gate2("uart5_ipg", "ipg",          base + 0x74,    2);
        hws[IMX6UL_CLK_UART5_SERIAL]    = imx_clk_hw_gate2("uart5_serial",      "uart_podf",    base + 0x74,    2);
        if (clk_on_imx6ul()) {
                hws[IMX6UL_CLK_ENET]            = imx_clk_hw_gate2("enet",              "ipg",          base + 0x74,    4);
                hws[IMX6UL_CLK_ENET_AHB]        = imx_clk_hw_gate2("enet_ahb",  "ahb",          base + 0x74,    4);
        } else if (clk_on_imx6ull()) {
                hws[IMX6ULL_CLK_EPDC_ACLK]      = imx_clk_hw_gate2("epdc_aclk", "axi",          base + 0x74,    4);
                hws[IMX6ULL_CLK_EPDC_PIX]       = imx_clk_hw_gate2("epdc_pix",  "epdc_podf",    base + 0x74,    4);
        }
        hws[IMX6UL_CLK_UART6_IPG]       = imx_clk_hw_gate2("uart6_ipg", "ipg",          base + 0x74,    6);
        hws[IMX6UL_CLK_UART6_SERIAL]    = imx_clk_hw_gate2("uart6_serial",      "uart_podf",    base + 0x74,    6);
        hws[IMX6UL_CLK_LCDIF_PIX]       = imx_clk_hw_gate2("lcdif_pix", "lcdif_podf",   base + 0x74,    10);
        hws[IMX6UL_CLK_GPIO4]           = imx_clk_hw_gate2("gpio4",     "ipg",          base + 0x74,    12);
        hws[IMX6UL_CLK_QSPI]            = imx_clk_hw_gate2("qspi1",     "qspi1_podf",   base + 0x74,    14);
        hws[IMX6UL_CLK_WDOG1]           = imx_clk_hw_gate2("wdog1",     "ipg",          base + 0x74,    16);
        hws[IMX6UL_CLK_MMDC_P0_FAST]    = imx_clk_hw_gate_flags("mmdc_p0_fast", "mmdc_podf", base + 0x74,       20, CLK_IS_CRITICAL);
        hws[IMX6UL_CLK_MMDC_P0_IPG]     = imx_clk_hw_gate2_flags("mmdc_p0_ipg", "ipg",          base + 0x74,    24, CLK_IS_CRITICAL);
        hws[IMX6UL_CLK_MMDC_P1_IPG]     = imx_clk_hw_gate2_flags("mmdc_p1_ipg", "ipg",          base + 0x74,    26, CLK_IS_CRITICAL);
        hws[IMX6UL_CLK_AXI]             = imx_clk_hw_gate_flags("axi",  "axi_podf",     base + 0x74,    28, CLK_IS_CRITICAL);

        /* CCGR4 */
        hws[IMX6UL_CLK_PER_BCH] = imx_clk_hw_gate2("per_bch",   "bch_podf",     base + 0x78,    12);
        hws[IMX6UL_CLK_PWM1]            = imx_clk_hw_gate2("pwm1",              "perclk",       base + 0x78,    16);
        hws[IMX6UL_CLK_PWM2]            = imx_clk_hw_gate2("pwm2",              "perclk",       base + 0x78,    18);
        hws[IMX6UL_CLK_PWM3]            = imx_clk_hw_gate2("pwm3",              "perclk",       base + 0x78,    20);
        hws[IMX6UL_CLK_PWM4]            = imx_clk_hw_gate2("pwm4",              "perclk",       base + 0x78,    22);
        hws[IMX6UL_CLK_GPMI_BCH_APB]    = imx_clk_hw_gate2("gpmi_bch_apb",      "bch_podf",     base + 0x78,    24);
        hws[IMX6UL_CLK_GPMI_BCH]        = imx_clk_hw_gate2("gpmi_bch",  "gpmi_podf",    base + 0x78,    26);
        hws[IMX6UL_CLK_GPMI_IO] = imx_clk_hw_gate2("gpmi_io",   "enfc_podf",    base + 0x78,    28);
        hws[IMX6UL_CLK_GPMI_APB]        = imx_clk_hw_gate2("gpmi_apb",  "bch_podf",     base + 0x78,    30);

        /* CCGR5 */
        hws[IMX6UL_CLK_ROM]             = imx_clk_hw_gate2_flags("rom", "ahb",          base + 0x7c,    0,      CLK_IS_CRITICAL);
        hws[IMX6UL_CLK_SDMA]            = imx_clk_hw_gate2("sdma",              "ahb",          base + 0x7c,    6);
        hws[IMX6UL_CLK_KPP]             = imx_clk_hw_gate2("kpp",               "ipg",          base + 0x7c,    8);
        hws[IMX6UL_CLK_WDOG2]           = imx_clk_hw_gate2("wdog2",     "ipg",          base + 0x7c,    10);
        hws[IMX6UL_CLK_SPBA]            = imx_clk_hw_gate2("spba",              "ipg",          base + 0x7c,    12);
        hws[IMX6UL_CLK_SPDIF]           = imx_clk_hw_gate2_shared("spdif",              "spdif_podf",   base + 0x7c,    14, &share_count_audio);
        hws[IMX6UL_CLK_SPDIF_GCLK]      = imx_clk_hw_gate2_shared("spdif_gclk", "ipg",          base + 0x7c,    14, &share_count_audio);
        hws[IMX6UL_CLK_SAI3]            = imx_clk_hw_gate2_shared("sai3",               "sai3_podf",    base + 0x7c,    22, &share_count_sai3);
        hws[IMX6UL_CLK_SAI3_IPG]        = imx_clk_hw_gate2_shared("sai3_ipg",   "ipg",          base + 0x7c,    22, &share_count_sai3);
        hws[IMX6UL_CLK_UART1_IPG]       = imx_clk_hw_gate2("uart1_ipg", "ipg",          base + 0x7c,    24);
        hws[IMX6UL_CLK_UART1_SERIAL]    = imx_clk_hw_gate2("uart1_serial",      "uart_podf",    base + 0x7c,    24);
        hws[IMX6UL_CLK_UART7_IPG]       = imx_clk_hw_gate2("uart7_ipg", "ipg",          base + 0x7c,    26);
        hws[IMX6UL_CLK_UART7_SERIAL]    = imx_clk_hw_gate2("uart7_serial",      "uart_podf",    base + 0x7c,    26);
        hws[IMX6UL_CLK_SAI1]            = imx_clk_hw_gate2_shared("sai1",               "sai1_podf",    base + 0x7c,    28, &share_count_sai1);
        hws[IMX6UL_CLK_SAI1_IPG]        = imx_clk_hw_gate2_shared("sai1_ipg",   "ipg",          base + 0x7c,    28, &share_count_sai1);
        hws[IMX6UL_CLK_SAI2]            = imx_clk_hw_gate2_shared("sai2",               "sai2_podf",    base + 0x7c,    30, &share_count_sai2);
        hws[IMX6UL_CLK_SAI2_IPG]        = imx_clk_hw_gate2_shared("sai2_ipg",   "ipg",          base + 0x7c,    30, &share_count_sai2);

        /* CCGR6 */
        hws[IMX6UL_CLK_USBOH3]          = imx_clk_hw_gate2("usboh3",    "ipg",           base + 0x80,   0);
        hws[IMX6UL_CLK_USDHC1]          = imx_clk_hw_gate2("usdhc1",    "usdhc1_podf",   base + 0x80,   2);
        hws[IMX6UL_CLK_USDHC2]          = imx_clk_hw_gate2("usdhc2",    "usdhc2_podf",   base + 0x80,   4);
        if (clk_on_imx6ul()) {
                hws[IMX6UL_CLK_SIM1]            = imx_clk_hw_gate2("sim1",              "sim_sel",       base + 0x80,   6);
                hws[IMX6UL_CLK_SIM2]            = imx_clk_hw_gate2("sim2",              "sim_sel",       base + 0x80,   8);
        }
        hws[IMX6UL_CLK_EIM]             = imx_clk_hw_gate2("eim",               "eim_slow_podf", base + 0x80,   10);
        hws[IMX6UL_CLK_PWM8]            = imx_clk_hw_gate2("pwm8",              "perclk",        base + 0x80,   16);
        hws[IMX6UL_CLK_UART8_IPG]       = imx_clk_hw_gate2("uart8_ipg", "ipg",           base + 0x80,   14);
        hws[IMX6UL_CLK_UART8_SERIAL]    = imx_clk_hw_gate2("uart8_serial", "uart_podf",  base + 0x80,   14);
        hws[IMX6UL_CLK_WDOG3]           = imx_clk_hw_gate2("wdog3",     "ipg",           base + 0x80,   20);
        hws[IMX6UL_CLK_I2C4]            = imx_clk_hw_gate2("i2c4",              "perclk",        base + 0x80,   24);
        hws[IMX6UL_CLK_PWM5]            = imx_clk_hw_gate2("pwm5",              "perclk",        base + 0x80,   26);
        hws[IMX6UL_CLK_PWM6]            = imx_clk_hw_gate2("pwm6",              "perclk",        base + 0x80,   28);
        hws[IMX6UL_CLK_PWM7]            = imx_clk_hw_gate2("pwm7",              "perclk",        base + 0x80,   30);

        /* CCOSR */
        hws[IMX6UL_CLK_CKO1]            = imx_clk_hw_gate("cko1",               "cko1_podf",     base + 0x60,   7);
        hws[IMX6UL_CLK_CKO2]            = imx_clk_hw_gate("cko2",               "cko2_podf",     base + 0x60,   24);

        /* mask handshake of mmdc */
        imx_mmdc_mask_handshake(base, 0);

        hws[IMX6UL_CLK_ENET1_REF_PAD] = imx_obtain_fixed_of_clock(ccm_node, "enet1_ref_pad", 0);

        hws[IMX6UL_CLK_ENET1_REF_SEL] = imx_clk_gpr_mux("enet1_ref_sel", "fsl,imx6ul-iomuxc-gpr",
                                IOMUXC_GPR1, enet1_ref_sels, ARRAY_SIZE(enet1_ref_sels),
                                enet1_ref_sels_table, enet1_ref_sels_table_mask);
        hws[IMX6UL_CLK_ENET2_REF_PAD] = imx_obtain_fixed_of_clock(ccm_node, "enet2_ref_pad", 0);

        hws[IMX6UL_CLK_ENET2_REF_SEL] = imx_clk_gpr_mux("enet2_ref_sel", "fsl,imx6ul-iomuxc-gpr",
                                IOMUXC_GPR1, enet2_ref_sels, ARRAY_SIZE(enet2_ref_sels),
                                enet2_ref_sels_table, enet2_ref_sels_table_mask);

        imx_check_clk_hws(hws, IMX6UL_CLK_END);

        of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data);

        /*
         * Lower the AHB clock rate before changing the parent clock source,
         * as AHB clock rate can NOT be higher than 133MHz, but its parent
         * will be switched from 396MHz PFD to 528MHz PLL in order to increase
         * AXI clock rate, so we need to lower AHB rate first to make sure at
         * any time, AHB rate is <= 133MHz.
         */
        clk_set_rate(hws[IMX6UL_CLK_AHB]->clk, 99000000);

        /* Change periph_pre clock to pll2_bus to adjust AXI rate to 264MHz */
        clk_set_parent(hws[IMX6UL_CLK_PERIPH_CLK2_SEL]->clk, hws[IMX6UL_CLK_OSC]->clk);
        clk_set_parent(hws[IMX6UL_CLK_PERIPH]->clk, hws[IMX6UL_CLK_PERIPH_CLK2]->clk);
        clk_set_parent(hws[IMX6UL_CLK_PERIPH_PRE]->clk, hws[IMX6UL_CLK_PLL2_BUS]->clk);
        clk_set_parent(hws[IMX6UL_CLK_PERIPH]->clk, hws[IMX6UL_CLK_PERIPH_PRE]->clk);

        /* Make sure AHB rate is 132MHz  */
        clk_set_rate(hws[IMX6UL_CLK_AHB]->clk, 132000000);

        /* set perclk to from OSC */
        clk_set_parent(hws[IMX6UL_CLK_PERCLK_SEL]->clk, hws[IMX6UL_CLK_OSC]->clk);

        clk_set_rate(hws[IMX6UL_CLK_ENET_REF]->clk, 50000000);
        clk_set_rate(hws[IMX6UL_CLK_ENET2_REF]->clk, 50000000);
        clk_set_rate(hws[IMX6UL_CLK_CSI]->clk, 24000000);

        if (clk_on_imx6ull())
                clk_prepare_enable(hws[IMX6UL_CLK_AIPSTZ3]->clk);

        if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {
                clk_prepare_enable(hws[IMX6UL_CLK_USBPHY1_GATE]->clk);
                clk_prepare_enable(hws[IMX6UL_CLK_USBPHY2_GATE]->clk);
        }

        clk_set_parent(hws[IMX6UL_CLK_CAN_SEL]->clk, hws[IMX6UL_CLK_PLL3_80M]->clk);
        if (clk_on_imx6ul())
                clk_set_parent(hws[IMX6UL_CLK_SIM_PRE_SEL]->clk, hws[IMX6UL_CLK_PLL3_USB_OTG]->clk);
        else if (clk_on_imx6ull())
                clk_set_parent(hws[IMX6ULL_CLK_EPDC_PRE_SEL]->clk, hws[IMX6UL_CLK_PLL3_PFD2]->clk);

        clk_set_parent(hws[IMX6UL_CLK_ENFC_SEL]->clk, hws[IMX6UL_CLK_PLL2_PFD2]->clk);

        clk_set_parent(hws[IMX6UL_CLK_ENET1_REF_SEL]->clk, hws[IMX6UL_CLK_ENET1_REF_125M]->clk);
        clk_set_parent(hws[IMX6UL_CLK_ENET2_REF_SEL]->clk, hws[IMX6UL_CLK_ENET2_REF_125M]->clk);

        imx_register_uart_clocks();
}

CLK_OF_DECLARE(imx6ul, "fsl,imx6ul-ccm", imx6ul_clocks_init);
Linux
