root/drivers/clk/actions/owl-s900.c
// SPDX-License-Identifier: GPL-2.0+
//
// OWL S900 SoC clock driver
//
// Copyright (c) 2014 Actions Semi Inc.
// Author: David Liu <liuwei@actions-semi.com>
//
// Copyright (c) 2018 Linaro Ltd.
// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

#include <linux/clk-provider.h>
#include <linux/platform_device.h>

#include "owl-common.h"
#include "owl-composite.h"
#include "owl-divider.h"
#include "owl-factor.h"
#include "owl-fixed-factor.h"
#include "owl-gate.h"
#include "owl-mux.h"
#include "owl-pll.h"
#include "owl-reset.h"

#include <dt-bindings/clock/actions,s900-cmu.h>
#include <dt-bindings/reset/actions,s900-reset.h>

#define CMU_COREPLL             (0x0000)
#define CMU_DEVPLL              (0x0004)
#define CMU_DDRPLL              (0x0008)
#define CMU_NANDPLL             (0x000C)
#define CMU_DISPLAYPLL          (0x0010)
#define CMU_AUDIOPLL            (0x0014)
#define CMU_TVOUTPLL            (0x0018)
#define CMU_BUSCLK              (0x001C)
#define CMU_SENSORCLK           (0x0020)
#define CMU_LCDCLK              (0x0024)
#define CMU_DSICLK              (0x0028)
#define CMU_CSICLK              (0x002C)
#define CMU_DECLK               (0x0030)
#define CMU_BISPCLK             (0x0034)
#define CMU_IMXCLK              (0x0038)
#define CMU_HDECLK              (0x003C)
#define CMU_VDECLK              (0x0040)
#define CMU_VCECLK              (0x0044)
#define CMU_NANDCCLK            (0x004C)
#define CMU_SD0CLK              (0x0050)
#define CMU_SD1CLK              (0x0054)
#define CMU_SD2CLK              (0x0058)
#define CMU_UART0CLK            (0x005C)
#define CMU_UART1CLK            (0x0060)
#define CMU_UART2CLK            (0x0064)
#define CMU_PWM0CLK             (0x0070)
#define CMU_PWM1CLK             (0x0074)
#define CMU_PWM2CLK             (0x0078)
#define CMU_PWM3CLK             (0x007C)
#define CMU_USBPLL              (0x0080)
#define CMU_ASSISTPLL           (0x0084)
#define CMU_EDPCLK              (0x0088)
#define CMU_GPU3DCLK            (0x0090)
#define CMU_CORECTL             (0x009C)
#define CMU_DEVCLKEN0           (0x00A0)
#define CMU_DEVCLKEN1           (0x00A4)
#define CMU_DEVRST0             (0x00A8)
#define CMU_DEVRST1             (0x00AC)
#define CMU_UART3CLK            (0x00B0)
#define CMU_UART4CLK            (0x00B4)
#define CMU_UART5CLK            (0x00B8)
#define CMU_UART6CLK            (0x00BC)
#define CMU_TLSCLK              (0x00C0)
#define CMU_SD3CLK              (0x00C4)
#define CMU_PWM4CLK             (0x00C8)
#define CMU_PWM5CLK             (0x00CC)

static struct clk_pll_table clk_audio_pll_table[] = {
        { 0, 45158400 }, { 1, 49152000 },
        { /* sentinel */ }
};

static struct clk_pll_table clk_edp_pll_table[] = {
        { 0, 810000000 }, { 1, 135000000 }, { 2, 270000000 },
        { /* sentinel */ }
};

/* pll clocks */
static OWL_PLL_NO_PARENT(core_pll_clk, "core_pll_clk", CMU_COREPLL, 24000000, 9, 0, 8, 5, 107, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(dev_pll_clk, "dev_pll_clk", CMU_DEVPLL, 6000000, 8, 0, 8, 20, 180, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(ddr_pll_clk, "ddr_pll_clk", CMU_DDRPLL, 24000000, 8, 0, 8, 5, 45, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(nand_pll_clk, "nand_pll_clk", CMU_NANDPLL, 6000000, 8, 0, 8, 4, 100, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(display_pll_clk, "display_pll_clk", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 20, 180, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(assist_pll_clk, "assist_pll_clk", CMU_ASSISTPLL, 500000000, 0, 0, 0, 0, 0, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(audio_pll_clk, "audio_pll_clk", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, clk_audio_pll_table, CLK_IGNORE_UNUSED);
static OWL_PLL(edp_pll_clk, "edp_pll_clk", "edp24M_clk", CMU_EDPCLK, 0, 9, 0, 2, 0, 0, clk_edp_pll_table, CLK_IGNORE_UNUSED);

static const char *cpu_clk_mux_p[] = { "losc", "hosc", "core_pll_clk", };
static const char *dev_clk_p[] = { "hosc", "dev_pll_clk", };
static const char *noc_clk_mux_p[] = { "dev_clk", "assist_pll_clk", };
static const char *dmm_clk_mux_p[] = { "dev_clk", "nand_pll_clk", "assist_pll_clk", "ddr_clk_src", };
static const char *bisp_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
static const char *csi_clk_mux_p[] = { "display_pll_clk", "dev_clk", };
static const char *de_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
static const char *gpu_clk_mux_p[] = { "dev_clk", "display_pll_clk", "ddr_clk_src", };
static const char *hde_clk_mux_p[] = { "dev_clk", "display_pll_clk", "ddr_clk_src", };
static const char *imx_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
static const char *lcd_clk_mux_p[] = { "display_pll_clk", "nand_pll_clk", };
static const char *nand_clk_mux_p[] = { "dev_clk", "nand_pll_clk", };
static const char *sd_clk_mux_p[] = { "dev_clk", "nand_pll_clk", };
static const char *sensor_clk_mux_p[] = { "hosc", "bisp_clk", };
static const char *uart_clk_mux_p[] = { "hosc", "dev_pll_clk", };
static const char *vce_clk_mux_p[] = { "dev_clk", "display_pll_clk", "assist_pll_clk", "ddr_clk_src", };
static const char *i2s_clk_mux_p[] = { "audio_pll_clk", };
static const char *edp_clk_mux_p[] = { "assist_pll_clk", "display_pll_clk", };

/* mux clocks */
static OWL_MUX(cpu_clk, "cpu_clk", cpu_clk_mux_p, CMU_BUSCLK, 0, 2, CLK_SET_RATE_PARENT);
static OWL_MUX(dev_clk, "dev_clk", dev_clk_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
static OWL_MUX(noc_clk_mux, "noc_clk_mux", noc_clk_mux_p, CMU_BUSCLK, 7, 1, CLK_SET_RATE_PARENT);

static struct clk_div_table nand_div_table[] = {
        { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 6 },
        { 4, 8 }, { 5, 10 }, { 6, 12 }, { 7, 14 },
        { 8, 16 }, { 9, 18 }, { 10, 20 }, { 11, 22 },
        { 12, 24 }, { 13, 26 }, { 14, 28 }, { 15, 30 },
        { /* sentinel */ }
};

static struct clk_div_table apb_div_table[] = {
        { 1, 2 }, { 2, 3 }, { 3, 4 },
        { /* sentinel */ }
};

static struct clk_div_table eth_mac_div_table[] = {
        { 0, 2 }, { 1, 4 },
        { /* sentinel */ }
};

static struct clk_div_table rmii_ref_div_table[] = {
        { 0, 4 },         { 1, 10 },
        { /* sentinel */ }
};

static struct clk_div_table usb3_mac_div_table[] = {
        { 1, 2 }, { 2, 3 }, { 3, 4 },
        { /* sentinel */ }
};

static struct clk_div_table i2s_div_table[] = {
        { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
        { 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
        { 8, 24 },
        { /* sentinel */ }
};

static struct clk_div_table hdmia_div_table[] = {
        { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
        { 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
        { 8, 24 },
        { /* sentinel */ }
};

/* divider clocks */
static OWL_DIVIDER(noc_clk_div, "noc_clk_div", "noc_clk", CMU_BUSCLK, 19, 1, NULL, 0, 0);
static OWL_DIVIDER(ahb_clk, "ahb_clk", "noc_clk_div", CMU_BUSCLK, 4, 1, NULL, 0, 0);
static OWL_DIVIDER(apb_clk, "apb_clk", "ahb_clk", CMU_BUSCLK, 8, 2, apb_div_table, 0, 0);
static OWL_DIVIDER(usb3_mac_clk, "usb3_mac_clk", "assist_pll_clk", CMU_ASSISTPLL, 12, 2, usb3_mac_div_table, 0, 0);
static OWL_DIVIDER(rmii_ref_clk, "rmii_ref_clk", "assist_pll_clk", CMU_ASSISTPLL, 8, 1, rmii_ref_div_table, 0, 0);

static struct clk_factor_table sd_factor_table[] = {
        /* bit0 ~ 4 */
        { 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
        { 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
        { 8, 1, 9 }, { 9, 1, 10 }, { 10, 1, 11 }, { 11, 1, 12 },
        { 12, 1, 13 }, { 13, 1, 14 }, { 14, 1, 15 }, { 15, 1, 16 },
        { 16, 1, 17 }, { 17, 1, 18 }, { 18, 1, 19 }, { 19, 1, 20 },
        { 20, 1, 21 }, { 21, 1, 22 }, { 22, 1, 23 }, { 23, 1, 24 },
        { 24, 1, 25 }, { 25, 1, 26 }, { 26, 1, 27 }, { 27, 1, 28 },
        { 28, 1, 29 }, { 29, 1, 30 }, { 30, 1, 31 }, { 31, 1, 32 },

        /* bit8: /128 */
        { 256, 1, 1 * 128 }, { 257, 1, 2 * 128 }, { 258, 1, 3 * 128 }, { 259, 1, 4 * 128 },
        { 260, 1, 5 * 128 }, { 261, 1, 6 * 128 }, { 262, 1, 7 * 128 }, { 263, 1, 8 * 128 },
        { 264, 1, 9 * 128 }, { 265, 1, 10 * 128 }, { 266, 1, 11 * 128 }, { 267, 1, 12 * 128 },
        { 268, 1, 13 * 128 }, { 269, 1, 14 * 128 }, { 270, 1, 15 * 128 }, { 271, 1, 16 * 128 },
        { 272, 1, 17 * 128 }, { 273, 1, 18 * 128 }, { 274, 1, 19 * 128 }, { 275, 1, 20 * 128 },
        { 276, 1, 21 * 128 }, { 277, 1, 22 * 128 }, { 278, 1, 23 * 128 }, { 279, 1, 24 * 128 },
        { 280, 1, 25 * 128 }, { 281, 1, 26 * 128 }, { 282, 1, 27 * 128 }, { 283, 1, 28 * 128 },
        { 284, 1, 29 * 128 }, { 285, 1, 30 * 128 }, { 286, 1, 31 * 128 }, { 287, 1, 32 * 128 },

        { /* sentinel */ }
};

static struct clk_factor_table dmm_factor_table[] = {
        { 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 1, 3 },
        { 4, 1, 4 },
        { /* sentinel */ }
};

static struct clk_factor_table noc_factor_table[] = {
        { 0, 1, 1 },   { 1, 2, 3 }, { 2, 1, 2 }, { 3, 1, 3 }, { 4, 1, 4 },
        { /* sentinel */ }
};

static struct clk_factor_table bisp_factor_table[] = {
        { 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 2, 5 },
        { 4, 1, 3 }, { 5, 1, 4 }, { 6, 1, 6 }, { 7, 1, 8 },
        { /* sentinel */ }
};

/* factor clocks */
static OWL_FACTOR(noc_clk, "noc_clk", "noc_clk_mux", CMU_BUSCLK, 16, 3, noc_factor_table, 0, 0);
static OWL_FACTOR(de_clk1, "de_clk1", "de_clk", CMU_DECLK, 0, 3, bisp_factor_table, 0, 0);
static OWL_FACTOR(de_clk2, "de_clk2", "de_clk", CMU_DECLK, 4, 3, bisp_factor_table, 0, 0);
static OWL_FACTOR(de_clk3, "de_clk3", "de_clk", CMU_DECLK, 8, 3, bisp_factor_table, 0, 0);

/* gate clocks */
static OWL_GATE(gpio_clk, "gpio_clk", "apb_clk", CMU_DEVCLKEN0, 18, 0, 0);
static OWL_GATE_NO_PARENT(gpu_clk, "gpu_clk", CMU_DEVCLKEN0, 30, 0, 0);
static OWL_GATE(dmac_clk, "dmac_clk", "noc_clk_div", CMU_DEVCLKEN0, 1, 0, 0);
static OWL_GATE(timer_clk, "timer_clk", "hosc", CMU_DEVCLKEN1, 27, 0, 0);
static OWL_GATE_NO_PARENT(dsi_clk, "dsi_clk", CMU_DEVCLKEN0, 12, 0, 0);
static OWL_GATE(ddr0_clk, "ddr0_clk", "ddr_pll_clk", CMU_DEVCLKEN0, 31, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(ddr1_clk, "ddr1_clk", "ddr_pll_clk", CMU_DEVCLKEN0, 29, 0, CLK_IGNORE_UNUSED);
static OWL_GATE_NO_PARENT(usb3_480mpll0_clk, "usb3_480mpll0_clk", CMU_USBPLL, 3, 0, 0);
static OWL_GATE_NO_PARENT(usb3_480mphy0_clk, "usb3_480mphy0_clk", CMU_USBPLL, 2, 0, 0);
static OWL_GATE_NO_PARENT(usb3_5gphy_clk, "usb3_5gphy_clk", CMU_USBPLL, 1, 0, 0);
static OWL_GATE_NO_PARENT(usb3_cce_clk, "usb3_cce_clk", CMU_USBPLL, 0, 0, 0);
static OWL_GATE(edp24M_clk, "edp24M_clk", "diff24M", CMU_EDPCLK, 8, 0, 0);
static OWL_GATE(edp_link_clk, "edp_link_clk", "edp_pll_clk", CMU_DEVCLKEN0, 10, 0, 0);
static OWL_GATE_NO_PARENT(usbh0_pllen_clk, "usbh0_pllen_clk", CMU_USBPLL, 12, 0, 0);
static OWL_GATE_NO_PARENT(usbh0_phy_clk, "usbh0_phy_clk", CMU_USBPLL, 10, 0, 0);
static OWL_GATE_NO_PARENT(usbh0_cce_clk, "usbh0_cce_clk", CMU_USBPLL, 8, 0, 0);
static OWL_GATE_NO_PARENT(usbh1_pllen_clk, "usbh1_pllen_clk", CMU_USBPLL, 13, 0, 0);
static OWL_GATE_NO_PARENT(usbh1_phy_clk, "usbh1_phy_clk", CMU_USBPLL, 11, 0, 0);
static OWL_GATE_NO_PARENT(usbh1_cce_clk, "usbh1_cce_clk", CMU_USBPLL, 9, 0, 0);
static OWL_GATE(spi0_clk, "spi0_clk", "ahb_clk", CMU_DEVCLKEN1, 10, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(spi1_clk, "spi1_clk", "ahb_clk", CMU_DEVCLKEN1, 11, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(spi2_clk, "spi2_clk", "ahb_clk", CMU_DEVCLKEN1, 12, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(spi3_clk, "spi3_clk", "ahb_clk", CMU_DEVCLKEN1, 13, 0, CLK_IGNORE_UNUSED);

/* composite clocks */
static OWL_COMP_FACTOR(bisp_clk, "bisp_clk", bisp_clk_mux_p,
                        OWL_MUX_HW(CMU_BISPCLK, 4, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
                        OWL_FACTOR_HW(CMU_BISPCLK, 0, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_DIV(csi0_clk, "csi0_clk", csi_clk_mux_p,
                        OWL_MUX_HW(CMU_CSICLK, 4, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 13, 0),
                        OWL_DIVIDER_HW(CMU_CSICLK, 0, 4, 0, NULL),
                        0);

static OWL_COMP_DIV(csi1_clk, "csi1_clk", csi_clk_mux_p,
                        OWL_MUX_HW(CMU_CSICLK, 20, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 15, 0),
                        OWL_DIVIDER_HW(CMU_CSICLK, 16, 4, 0, NULL),
                        0);

static OWL_COMP_PASS(de_clk, "de_clk", de_clk_mux_p,
                        OWL_MUX_HW(CMU_DECLK, 12, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
                        0);

static OWL_COMP_FACTOR(dmm_clk, "dmm_clk", dmm_clk_mux_p,
                        OWL_MUX_HW(CMU_BUSCLK, 10, 2),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 19, 0),
                        OWL_FACTOR_HW(CMU_BUSCLK, 12, 3, 0, dmm_factor_table),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_FACTOR(edp_clk, "edp_clk", edp_clk_mux_p,
                        OWL_MUX_HW(CMU_EDPCLK, 19, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 10, 0),
                        OWL_FACTOR_HW(CMU_EDPCLK, 16, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_DIV_FIXED(eth_mac_clk, "eth_mac_clk", "assist_pll_clk",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 22, 0),
                        OWL_DIVIDER_HW(CMU_ASSISTPLL, 10, 1, 0, eth_mac_div_table),
                        0);

static OWL_COMP_FACTOR(gpu_core_clk, "gpu_core_clk", gpu_clk_mux_p,
                        OWL_MUX_HW(CMU_GPU3DCLK, 4, 2),
                        OWL_GATE_HW(CMU_GPU3DCLK, 15, 0),
                        OWL_FACTOR_HW(CMU_GPU3DCLK, 0, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_FACTOR(gpu_mem_clk, "gpu_mem_clk", gpu_clk_mux_p,
                        OWL_MUX_HW(CMU_GPU3DCLK, 20, 2),
                        OWL_GATE_HW(CMU_GPU3DCLK, 14, 0),
                        OWL_FACTOR_HW(CMU_GPU3DCLK, 16, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_FACTOR(gpu_sys_clk, "gpu_sys_clk", gpu_clk_mux_p,
                        OWL_MUX_HW(CMU_GPU3DCLK, 28, 2),
                        OWL_GATE_HW(CMU_GPU3DCLK, 13, 0),
                        OWL_FACTOR_HW(CMU_GPU3DCLK, 24, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_FACTOR(hde_clk, "hde_clk", hde_clk_mux_p,
                        OWL_MUX_HW(CMU_HDECLK, 4, 2),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 27, 0),
                        OWL_FACTOR_HW(CMU_HDECLK, 0, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_DIV(hdmia_clk, "hdmia_clk", i2s_clk_mux_p,
                        OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
                        OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, hdmia_div_table),
                        0);

static OWL_COMP_FIXED_FACTOR(i2c0_clk, "i2c0_clk", "assist_pll_clk",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
                        1, 5, 0);

static OWL_COMP_FIXED_FACTOR(i2c1_clk, "i2c1_clk", "assist_pll_clk",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 15, 0),
                        1, 5, 0);

static OWL_COMP_FIXED_FACTOR(i2c2_clk, "i2c2_clk", "assist_pll_clk",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 30, 0),
                        1, 5, 0);

static OWL_COMP_FIXED_FACTOR(i2c3_clk, "i2c3_clk", "assist_pll_clk",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
                        1, 5, 0);

static OWL_COMP_FIXED_FACTOR(i2c4_clk, "i2c4_clk", "assist_pll_clk",
                        OWL_GATE_HW(CMU_DEVCLKEN0, 17, 0),
                        1, 5, 0);

static OWL_COMP_FIXED_FACTOR(i2c5_clk, "i2c5_clk", "assist_pll_clk",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 1, 0),
                        1, 5, 0);

static OWL_COMP_DIV(i2srx_clk, "i2srx_clk", i2s_clk_mux_p,
                        OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
                        OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, i2s_div_table),
                        0);

static OWL_COMP_DIV(i2stx_clk, "i2stx_clk", i2s_clk_mux_p,
                        OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 20, 0),
                        OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, i2s_div_table),
                        0);

static OWL_COMP_FACTOR(imx_clk, "imx_clk", imx_clk_mux_p,
                        OWL_MUX_HW(CMU_IMXCLK, 4, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 17, 0),
                        OWL_FACTOR_HW(CMU_IMXCLK, 0, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_DIV(lcd_clk, "lcd_clk", lcd_clk_mux_p,
                        OWL_MUX_HW(CMU_LCDCLK, 12, 2),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 9, 0),
                        OWL_DIVIDER_HW(CMU_LCDCLK, 0, 5, 0, NULL),
                        0);

static OWL_COMP_DIV(nand0_clk, "nand0_clk", nand_clk_mux_p,
                        OWL_MUX_HW(CMU_NANDCCLK, 8, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
                        OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 4, 0, nand_div_table),
                        CLK_SET_RATE_PARENT);

static OWL_COMP_DIV(nand1_clk, "nand1_clk", nand_clk_mux_p,
                        OWL_MUX_HW(CMU_NANDCCLK, 24, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
                        OWL_DIVIDER_HW(CMU_NANDCCLK, 16, 4, 0, nand_div_table),
                        CLK_SET_RATE_PARENT);

static OWL_COMP_DIV_FIXED(pwm0_clk, "pwm0_clk", "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
                        OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 6, 0, NULL),
                        0);

static OWL_COMP_DIV_FIXED(pwm1_clk, "pwm1_clk", "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 24, 0),
                        OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 6, 0, NULL),
                        0);
/*
 * pwm2 may be for backlight, do not gate it
 * even it is "unused", because it may be
 * enabled at boot stage, and in kernel, driver
 * has no effective method to know the real status,
 * so, the best way is keeping it as what it was.
 */
static OWL_COMP_DIV_FIXED(pwm2_clk, "pwm2_clk", "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 25, 0),
                        OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 6, 0, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_DIV_FIXED(pwm3_clk, "pwm3_clk", "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
                        OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 6, 0, NULL),
                        0);

static OWL_COMP_DIV_FIXED(pwm4_clk, "pwm4_clk", "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 4, 0),
                        OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 6, 0, NULL),
                        0);

static OWL_COMP_DIV_FIXED(pwm5_clk, "pwm5_clk", "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 5, 0),
                        OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 6, 0, NULL),
                        0);

static OWL_COMP_FACTOR(sd0_clk, "sd0_clk", sd_clk_mux_p,
                        OWL_MUX_HW(CMU_SD0CLK, 9, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 5, 0),
                        OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
                        0);

static OWL_COMP_FACTOR(sd1_clk, "sd1_clk", sd_clk_mux_p,
                        OWL_MUX_HW(CMU_SD1CLK, 9, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 6, 0),
                        OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
                        0);

static OWL_COMP_FACTOR(sd2_clk, "sd2_clk", sd_clk_mux_p,
                        OWL_MUX_HW(CMU_SD2CLK, 9, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 7, 0),
                        OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
                        0);

static OWL_COMP_FACTOR(sd3_clk, "sd3_clk", sd_clk_mux_p,
                        OWL_MUX_HW(CMU_SD3CLK, 9, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 16, 0),
                        OWL_FACTOR_HW(CMU_SD3CLK, 0, 9, 0, sd_factor_table),
                        0);

static OWL_COMP_DIV(sensor_clk, "sensor_clk", sensor_clk_mux_p,
                        OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
                        OWL_DIVIDER_HW(CMU_SENSORCLK, 0, 4, 0, NULL),
                        0);

static OWL_COMP_DIV_FIXED(speed_sensor_clk, "speed_sensor_clk",
                        "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 0, 0),
                        OWL_DIVIDER_HW(CMU_TLSCLK, 0, 4, CLK_DIVIDER_POWER_OF_TWO, NULL),
                        0);

static OWL_COMP_DIV_FIXED(thermal_sensor_clk, "thermal_sensor_clk",
                        "hosc",
                        OWL_GATE_HW(CMU_DEVCLKEN1, 2, 0),
                        OWL_DIVIDER_HW(CMU_TLSCLK, 8, 4, CLK_DIVIDER_POWER_OF_TWO, NULL),
                        0);

static OWL_COMP_DIV(uart0_clk, "uart0_clk", uart_clk_mux_p,
                        OWL_MUX_HW(CMU_UART0CLK, 16, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 6, 0),
                        OWL_DIVIDER_HW(CMU_UART0CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_DIV(uart1_clk, "uart1_clk", uart_clk_mux_p,
                        OWL_MUX_HW(CMU_UART1CLK, 16, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 7, 0),
                        OWL_DIVIDER_HW(CMU_UART1CLK, 1, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_DIV(uart2_clk, "uart2_clk", uart_clk_mux_p,
                        OWL_MUX_HW(CMU_UART2CLK, 16, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
                        OWL_DIVIDER_HW(CMU_UART2CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_DIV(uart3_clk, "uart3_clk", uart_clk_mux_p,
                        OWL_MUX_HW(CMU_UART3CLK, 16, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
                        OWL_DIVIDER_HW(CMU_UART3CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_DIV(uart4_clk, "uart4_clk", uart_clk_mux_p,
                        OWL_MUX_HW(CMU_UART4CLK, 16, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
                        OWL_DIVIDER_HW(CMU_UART4CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_DIV(uart5_clk, "uart5_clk", uart_clk_mux_p,
                        OWL_MUX_HW(CMU_UART5CLK, 16, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
                        OWL_DIVIDER_HW(CMU_UART5CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_DIV(uart6_clk, "uart6_clk", uart_clk_mux_p,
                        OWL_MUX_HW(CMU_UART6CLK, 16, 1),
                        OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
                        OWL_DIVIDER_HW(CMU_UART6CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
                        CLK_IGNORE_UNUSED);

static OWL_COMP_FACTOR(vce_clk, "vce_clk", vce_clk_mux_p,
                        OWL_MUX_HW(CMU_VCECLK, 4, 2),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 26, 0),
                        OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, bisp_factor_table),
                        0);

static OWL_COMP_FACTOR(vde_clk, "vde_clk", hde_clk_mux_p,
                        OWL_MUX_HW(CMU_VDECLK, 4, 2),
                        OWL_GATE_HW(CMU_DEVCLKEN0, 25, 0),
                        OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, bisp_factor_table),
                        0);

static struct owl_clk_common *s900_clks[] = {
        &core_pll_clk.common,
        &dev_pll_clk.common,
        &ddr_pll_clk.common,
        &nand_pll_clk.common,
        &display_pll_clk.common,
        &assist_pll_clk.common,
        &audio_pll_clk.common,
        &edp_pll_clk.common,
        &cpu_clk.common,
        &dev_clk.common,
        &noc_clk_mux.common,
        &noc_clk_div.common,
        &ahb_clk.common,
        &apb_clk.common,
        &usb3_mac_clk.common,
        &rmii_ref_clk.common,
        &noc_clk.common,
        &de_clk1.common,
        &de_clk2.common,
        &de_clk3.common,
        &gpio_clk.common,
        &gpu_clk.common,
        &dmac_clk.common,
        &timer_clk.common,
        &dsi_clk.common,
        &ddr0_clk.common,
        &ddr1_clk.common,
        &usb3_480mpll0_clk.common,
        &usb3_480mphy0_clk.common,
        &usb3_5gphy_clk.common,
        &usb3_cce_clk.common,
        &edp24M_clk.common,
        &edp_link_clk.common,
        &usbh0_pllen_clk.common,
        &usbh0_phy_clk.common,
        &usbh0_cce_clk.common,
        &usbh1_pllen_clk.common,
        &usbh1_phy_clk.common,
        &usbh1_cce_clk.common,
        &i2c0_clk.common,
        &i2c1_clk.common,
        &i2c2_clk.common,
        &i2c3_clk.common,
        &i2c4_clk.common,
        &i2c5_clk.common,
        &spi0_clk.common,
        &spi1_clk.common,
        &spi2_clk.common,
        &spi3_clk.common,
        &bisp_clk.common,
        &csi0_clk.common,
        &csi1_clk.common,
        &de_clk.common,
        &dmm_clk.common,
        &edp_clk.common,
        &eth_mac_clk.common,
        &gpu_core_clk.common,
        &gpu_mem_clk.common,
        &gpu_sys_clk.common,
        &hde_clk.common,
        &hdmia_clk.common,
        &i2srx_clk.common,
        &i2stx_clk.common,
        &imx_clk.common,
        &lcd_clk.common,
        &nand0_clk.common,
        &nand1_clk.common,
        &pwm0_clk.common,
        &pwm1_clk.common,
        &pwm2_clk.common,
        &pwm3_clk.common,
        &pwm4_clk.common,
        &pwm5_clk.common,
        &sd0_clk.common,
        &sd1_clk.common,
        &sd2_clk.common,
        &sd3_clk.common,
        &sensor_clk.common,
        &speed_sensor_clk.common,
        &thermal_sensor_clk.common,
        &uart0_clk.common,
        &uart1_clk.common,
        &uart2_clk.common,
        &uart3_clk.common,
        &uart4_clk.common,
        &uart5_clk.common,
        &uart6_clk.common,
        &vce_clk.common,
        &vde_clk.common,
};

static struct clk_hw_onecell_data s900_hw_clks = {
        .hws    = {
                [CLK_CORE_PLL]          = &core_pll_clk.common.hw,
                [CLK_DEV_PLL]           = &dev_pll_clk.common.hw,
                [CLK_DDR_PLL]           = &ddr_pll_clk.common.hw,
                [CLK_NAND_PLL]          = &nand_pll_clk.common.hw,
                [CLK_DISPLAY_PLL]       = &display_pll_clk.common.hw,
                [CLK_ASSIST_PLL]        = &assist_pll_clk.common.hw,
                [CLK_AUDIO_PLL]         = &audio_pll_clk.common.hw,
                [CLK_EDP_PLL]           = &edp_pll_clk.common.hw,
                [CLK_CPU]               = &cpu_clk.common.hw,
                [CLK_DEV]               = &dev_clk.common.hw,
                [CLK_NOC_MUX]           = &noc_clk_mux.common.hw,
                [CLK_NOC_DIV]           = &noc_clk_div.common.hw,
                [CLK_AHB]               = &ahb_clk.common.hw,
                [CLK_APB]               = &apb_clk.common.hw,
                [CLK_USB3_MAC]          = &usb3_mac_clk.common.hw,
                [CLK_RMII_REF]          = &rmii_ref_clk.common.hw,
                [CLK_NOC]               = &noc_clk.common.hw,
                [CLK_DE1]               = &de_clk1.common.hw,
                [CLK_DE2]               = &de_clk2.common.hw,
                [CLK_DE3]               = &de_clk3.common.hw,
                [CLK_GPIO]              = &gpio_clk.common.hw,
                [CLK_GPU]               = &gpu_clk.common.hw,
                [CLK_DMAC]              = &dmac_clk.common.hw,
                [CLK_TIMER]             = &timer_clk.common.hw,
                [CLK_DSI]               = &dsi_clk.common.hw,
                [CLK_DDR0]              = &ddr0_clk.common.hw,
                [CLK_DDR1]              = &ddr1_clk.common.hw,
                [CLK_USB3_480MPLL0]     = &usb3_480mpll0_clk.common.hw,
                [CLK_USB3_480MPHY0]     = &usb3_480mphy0_clk.common.hw,
                [CLK_USB3_5GPHY]        = &usb3_5gphy_clk.common.hw,
                [CLK_USB3_CCE]          = &usb3_cce_clk.common.hw,
                [CLK_24M_EDP]           = &edp24M_clk.common.hw,
                [CLK_EDP_LINK]          = &edp_link_clk.common.hw,
                [CLK_USB2H0_PLLEN]      = &usbh0_pllen_clk.common.hw,
                [CLK_USB2H0_PHY]        = &usbh0_phy_clk.common.hw,
                [CLK_USB2H0_CCE]        = &usbh0_cce_clk.common.hw,
                [CLK_USB2H1_PLLEN]      = &usbh1_pllen_clk.common.hw,
                [CLK_USB2H1_PHY]        = &usbh1_phy_clk.common.hw,
                [CLK_USB2H1_CCE]        = &usbh1_cce_clk.common.hw,
                [CLK_I2C0]              = &i2c0_clk.common.hw,
                [CLK_I2C1]              = &i2c1_clk.common.hw,
                [CLK_I2C2]              = &i2c2_clk.common.hw,
                [CLK_I2C3]              = &i2c3_clk.common.hw,
                [CLK_I2C4]              = &i2c4_clk.common.hw,
                [CLK_I2C5]              = &i2c5_clk.common.hw,
                [CLK_SPI0]              = &spi0_clk.common.hw,
                [CLK_SPI1]              = &spi1_clk.common.hw,
                [CLK_SPI2]              = &spi2_clk.common.hw,
                [CLK_SPI3]              = &spi3_clk.common.hw,
                [CLK_BISP]              = &bisp_clk.common.hw,
                [CLK_CSI0]              = &csi0_clk.common.hw,
                [CLK_CSI1]              = &csi1_clk.common.hw,
                [CLK_DE0]               = &de_clk.common.hw,
                [CLK_DMM]               = &dmm_clk.common.hw,
                [CLK_EDP]               = &edp_clk.common.hw,
                [CLK_ETH_MAC]           = &eth_mac_clk.common.hw,
                [CLK_GPU_CORE]          = &gpu_core_clk.common.hw,
                [CLK_GPU_MEM]           = &gpu_mem_clk.common.hw,
                [CLK_GPU_SYS]           = &gpu_sys_clk.common.hw,
                [CLK_HDE]               = &hde_clk.common.hw,
                [CLK_HDMI_AUDIO]        = &hdmia_clk.common.hw,
                [CLK_I2SRX]             = &i2srx_clk.common.hw,
                [CLK_I2STX]             = &i2stx_clk.common.hw,
                [CLK_IMX]               = &imx_clk.common.hw,
                [CLK_LCD]               = &lcd_clk.common.hw,
                [CLK_NAND0]             = &nand0_clk.common.hw,
                [CLK_NAND1]             = &nand1_clk.common.hw,
                [CLK_PWM0]              = &pwm0_clk.common.hw,
                [CLK_PWM1]              = &pwm1_clk.common.hw,
                [CLK_PWM2]              = &pwm2_clk.common.hw,
                [CLK_PWM3]              = &pwm3_clk.common.hw,
                [CLK_PWM4]              = &pwm4_clk.common.hw,
                [CLK_PWM5]              = &pwm5_clk.common.hw,
                [CLK_SD0]               = &sd0_clk.common.hw,
                [CLK_SD1]               = &sd1_clk.common.hw,
                [CLK_SD2]               = &sd2_clk.common.hw,
                [CLK_SD3]               = &sd3_clk.common.hw,
                [CLK_SENSOR]            = &sensor_clk.common.hw,
                [CLK_SPEED_SENSOR]      = &speed_sensor_clk.common.hw,
                [CLK_THERMAL_SENSOR]    = &thermal_sensor_clk.common.hw,
                [CLK_UART0]             = &uart0_clk.common.hw,
                [CLK_UART1]             = &uart1_clk.common.hw,
                [CLK_UART2]             = &uart2_clk.common.hw,
                [CLK_UART3]             = &uart3_clk.common.hw,
                [CLK_UART4]             = &uart4_clk.common.hw,
                [CLK_UART5]             = &uart5_clk.common.hw,
                [CLK_UART6]             = &uart6_clk.common.hw,
                [CLK_VCE]               = &vce_clk.common.hw,
                [CLK_VDE]               = &vde_clk.common.hw,
        },
        .num    = CLK_NR_CLKS,
};

static const struct owl_reset_map s900_resets[] = {
        [RESET_DMAC]            = { CMU_DEVRST0, BIT(0) },
        [RESET_SRAMI]           = { CMU_DEVRST0, BIT(1) },
        [RESET_DDR_CTL_PHY]     = { CMU_DEVRST0, BIT(2) },
        [RESET_NANDC0]          = { CMU_DEVRST0, BIT(3) },
        [RESET_SD0]             = { CMU_DEVRST0, BIT(4) },
        [RESET_SD1]             = { CMU_DEVRST0, BIT(5) },
        [RESET_PCM1]            = { CMU_DEVRST0, BIT(6) },
        [RESET_DE]              = { CMU_DEVRST0, BIT(7) },
        [RESET_LVDS]            = { CMU_DEVRST0, BIT(8) },
        [RESET_SD2]             = { CMU_DEVRST0, BIT(9) },
        [RESET_DSI]             = { CMU_DEVRST0, BIT(10) },
        [RESET_CSI0]            = { CMU_DEVRST0, BIT(11) },
        [RESET_BISP_AXI]        = { CMU_DEVRST0, BIT(12) },
        [RESET_CSI1]            = { CMU_DEVRST0, BIT(13) },
        [RESET_GPIO]            = { CMU_DEVRST0, BIT(15) },
        [RESET_EDP]             = { CMU_DEVRST0, BIT(16) },
        [RESET_AUDIO]           = { CMU_DEVRST0, BIT(17) },
        [RESET_PCM0]            = { CMU_DEVRST0, BIT(18) },
        [RESET_HDE]             = { CMU_DEVRST0, BIT(21) },
        [RESET_GPU3D_PA]        = { CMU_DEVRST0, BIT(22) },
        [RESET_IMX]             = { CMU_DEVRST0, BIT(23) },
        [RESET_SE]              = { CMU_DEVRST0, BIT(24) },
        [RESET_NANDC1]          = { CMU_DEVRST0, BIT(25) },
        [RESET_SD3]             = { CMU_DEVRST0, BIT(26) },
        [RESET_GIC]             = { CMU_DEVRST0, BIT(27) },
        [RESET_GPU3D_PB]        = { CMU_DEVRST0, BIT(28) },
        [RESET_DDR_CTL_PHY_AXI] = { CMU_DEVRST0, BIT(29) },
        [RESET_CMU_DDR]         = { CMU_DEVRST0, BIT(30) },
        [RESET_DMM]             = { CMU_DEVRST0, BIT(31) },
        [RESET_USB2HUB]         = { CMU_DEVRST1, BIT(0) },
        [RESET_USB2HSIC]        = { CMU_DEVRST1, BIT(1) },
        [RESET_HDMI]            = { CMU_DEVRST1, BIT(2) },
        [RESET_HDCP2TX]         = { CMU_DEVRST1, BIT(3) },
        [RESET_UART6]           = { CMU_DEVRST1, BIT(4) },
        [RESET_UART0]           = { CMU_DEVRST1, BIT(5) },
        [RESET_UART1]           = { CMU_DEVRST1, BIT(6) },
        [RESET_UART2]           = { CMU_DEVRST1, BIT(7) },
        [RESET_SPI0]            = { CMU_DEVRST1, BIT(8) },
        [RESET_SPI1]            = { CMU_DEVRST1, BIT(9) },
        [RESET_SPI2]            = { CMU_DEVRST1, BIT(10) },
        [RESET_SPI3]            = { CMU_DEVRST1, BIT(11) },
        [RESET_I2C0]            = { CMU_DEVRST1, BIT(12) },
        [RESET_I2C1]            = { CMU_DEVRST1, BIT(13) },
        [RESET_USB3]            = { CMU_DEVRST1, BIT(14) },
        [RESET_UART3]           = { CMU_DEVRST1, BIT(15) },
        [RESET_UART4]           = { CMU_DEVRST1, BIT(16) },
        [RESET_UART5]           = { CMU_DEVRST1, BIT(17) },
        [RESET_I2C2]            = { CMU_DEVRST1, BIT(18) },
        [RESET_I2C3]            = { CMU_DEVRST1, BIT(19) },
        [RESET_ETHERNET]        = { CMU_DEVRST1, BIT(20) },
        [RESET_CHIPID]          = { CMU_DEVRST1, BIT(21) },
        [RESET_I2C4]            = { CMU_DEVRST1, BIT(22) },
        [RESET_I2C5]            = { CMU_DEVRST1, BIT(23) },
        [RESET_CPU_SCNT]        = { CMU_DEVRST1, BIT(30) }
};

static struct owl_clk_desc s900_clk_desc = {
        .clks       = s900_clks,
        .num_clks   = ARRAY_SIZE(s900_clks),

        .hw_clks    = &s900_hw_clks,

        .resets     = s900_resets,
        .num_resets = ARRAY_SIZE(s900_resets),
};

static int s900_clk_probe(struct platform_device *pdev)
{
        struct owl_clk_desc *desc;
        struct owl_reset *reset;
        int ret;

        desc = &s900_clk_desc;
        owl_clk_regmap_init(pdev, desc);

        /*
         * FIXME: Reset controller registration should be moved to
         * common code, once all SoCs of Owl family supports it.
         */
        reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL);
        if (!reset)
                return -ENOMEM;

        reset->rcdev.of_node = pdev->dev.of_node;
        reset->rcdev.ops = &owl_reset_ops;
        reset->rcdev.nr_resets = desc->num_resets;
        reset->reset_map = desc->resets;
        reset->regmap = desc->regmap;

        ret = devm_reset_controller_register(&pdev->dev, &reset->rcdev);
        if (ret)
                dev_err(&pdev->dev, "Failed to register reset controller\n");

        return owl_clk_probe(&pdev->dev, desc->hw_clks);
}

static const struct of_device_id s900_clk_of_match[] = {
        { .compatible = "actions,s900-cmu", },
        { /* sentinel */ }
};

static struct platform_driver s900_clk_driver = {
        .probe = s900_clk_probe,
        .driver = {
                .name = "s900-cmu",
                .of_match_table = s900_clk_of_match,
        },
};

static int __init s900_clk_init(void)
{
        return platform_driver_register(&s900_clk_driver);
}
core_initcall(s900_clk_init);