root/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2016 Icenowy Zheng <icenowy@aosc.io>
 *
 */

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

#include "ccu_common.h"
#include "ccu_reset.h"

#include "ccu_div.h"
#include "ccu_gate.h"
#include "ccu_mp.h"
#include "ccu_mult.h"
#include "ccu_nk.h"
#include "ccu_nkm.h"
#include "ccu_nkmp.h"
#include "ccu_nm.h"
#include "ccu_phase.h"

#include "ccu-suniv-f1c100s.h"

static struct ccu_nkmp pll_cpu_clk = {
        .enable = BIT(31),
        .lock   = BIT(28),

        .n      = _SUNXI_CCU_MULT(8, 5),
        .k      = _SUNXI_CCU_MULT(4, 2),
        .m      = _SUNXI_CCU_DIV(0, 2),
        /* MAX is guessed by the BSP table */
        .p      = _SUNXI_CCU_DIV_MAX(16, 2, 4),

        .common = {
                .reg            = 0x000,
                .hw.init        = CLK_HW_INIT("pll-cpu", "osc24M",
                                              &ccu_nkmp_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

/*
 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
 * the base (2x, 4x and 8x), and one variable divider (the one true
 * pll audio).
 *
 * We don't have any need for the variable divider for now, so we just
 * hardcode it to match with the clock names
 */
#define SUNIV_PLL_AUDIO_REG     0x008

static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
                                   "osc24M", 0x008,
                                   8, 7,                /* N */
                                   0, 5,                /* M */
                                   BIT(31),             /* gate */
                                   BIT(28),             /* lock */
                                   CLK_SET_RATE_UNGATE);

static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
                                        "osc24M", 0x010,
                                        8, 7,           /* N */
                                        0, 4,           /* M */
                                        BIT(24),        /* frac enable */
                                        BIT(25),        /* frac select */
                                        270000000,      /* frac rate 0 */
                                        297000000,      /* frac rate 1 */
                                        BIT(31),        /* gate */
                                        BIT(28),        /* lock */
                                        CLK_SET_RATE_UNGATE);

static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
                                        "osc24M", 0x018,
                                        8, 7,           /* N */
                                        0, 4,           /* M */
                                        BIT(24),        /* frac enable */
                                        BIT(25),        /* frac select */
                                        270000000,      /* frac rate 0 */
                                        297000000,      /* frac rate 1 */
                                        BIT(31),        /* gate */
                                        BIT(28),        /* lock */
                                        CLK_SET_RATE_UNGATE);

static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr",
                                    "osc24M", 0x020,
                                    8, 5,               /* N */
                                    4, 2,               /* K */
                                    0, 2,               /* M */
                                    BIT(31),            /* gate */
                                    BIT(28),            /* lock */
                                    CLK_IS_CRITICAL);

static struct ccu_nk pll_periph_clk = {
        .enable         = BIT(31),
        .lock           = BIT(28),
        .k              = _SUNXI_CCU_MULT(4, 2),
        .n              = _SUNXI_CCU_MULT(8, 5),
        .common         = {
                .reg            = 0x028,
                .hw.init        = CLK_HW_INIT("pll-periph", "osc24M",
                                              &ccu_nk_ops, 0),
        },
};

static const char * const cpu_parents[] = { "osc32k", "osc24M",
                                             "pll-cpu", "pll-cpu" };
static SUNXI_CCU_MUX(cpu_clk, "cpu", cpu_parents,
                     0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);

static const char * const ahb_parents[] = { "osc32k", "osc24M",
                                            "cpu", "pll-periph" };
static const struct ccu_mux_var_prediv ahb_predivs[] = {
        { .index = 3, .shift = 6, .width = 2 },
};
static struct ccu_div ahb_clk = {
        .div            = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),

        .mux            = {
                .shift  = 12,
                .width  = 2,

                .var_predivs    = ahb_predivs,
                .n_var_predivs  = ARRAY_SIZE(ahb_predivs),
        },

        .common         = {
                .reg            = 0x054,
                .features       = CCU_FEATURE_VARIABLE_PREDIV,
                .hw.init        = CLK_HW_INIT_PARENTS("ahb",
                                                      ahb_parents,
                                                      &ccu_div_ops,
                                                      0),
        },
};

static struct clk_div_table apb_div_table[] = {
        { .val = 0, .div = 2 },
        { .val = 1, .div = 2 },
        { .val = 2, .div = 4 },
        { .val = 3, .div = 8 },
        { /* Sentinel */ },
};
static SUNXI_CCU_DIV_TABLE(apb_clk, "apb", "ahb",
                           0x054, 8, 2, apb_div_table, 0);

static SUNXI_CCU_GATE(bus_dma_clk,      "bus-dma",      "ahb",
                      0x060, BIT(6), 0);
static SUNXI_CCU_GATE(bus_mmc0_clk,     "bus-mmc0",     "ahb",
                      0x060, BIT(8), 0);
static SUNXI_CCU_GATE(bus_mmc1_clk,     "bus-mmc1",     "ahb",
                      0x060, BIT(9), 0);
static SUNXI_CCU_GATE(bus_dram_clk,     "bus-dram",     "ahb",
                      0x060, BIT(14), 0);
static SUNXI_CCU_GATE(bus_spi0_clk,     "bus-spi0",     "ahb",
                      0x060, BIT(20), 0);
static SUNXI_CCU_GATE(bus_spi1_clk,     "bus-spi1",     "ahb",
                      0x060, BIT(21), 0);
static SUNXI_CCU_GATE(bus_otg_clk,      "bus-otg",      "ahb",
                      0x060, BIT(24), 0);

static SUNXI_CCU_GATE(bus_ve_clk,       "bus-ve",       "ahb",
                      0x064, BIT(0), 0);
static SUNXI_CCU_GATE(bus_lcd_clk,      "bus-lcd",      "ahb",
                      0x064, BIT(4), 0);
static SUNXI_CCU_GATE(bus_deinterlace_clk,      "bus-deinterlace",      "ahb",
                      0x064, BIT(5), 0);
static SUNXI_CCU_GATE(bus_csi_clk,      "bus-csi",      "ahb",
                      0x064, BIT(8), 0);
static SUNXI_CCU_GATE(bus_tvd_clk,      "bus-tvd",      "ahb",
                      0x064, BIT(9), 0);
static SUNXI_CCU_GATE(bus_tve_clk,      "bus-tve",      "ahb",
                      0x064, BIT(10), 0);
static SUNXI_CCU_GATE(bus_de_be_clk,    "bus-de-be",    "ahb",
                      0x064, BIT(12), 0);
static SUNXI_CCU_GATE(bus_de_fe_clk,    "bus-de-fe",    "ahb",
                      0x064, BIT(14), 0);

static SUNXI_CCU_GATE(bus_codec_clk,    "bus-codec",    "apb",
                      0x068, BIT(0), 0);
static SUNXI_CCU_GATE(bus_spdif_clk,    "bus-spdif",    "apb",
                      0x068, BIT(1), 0);
static SUNXI_CCU_GATE(bus_ir_clk,       "bus-ir",       "apb",
                      0x068, BIT(2), 0);
static SUNXI_CCU_GATE(bus_rsb_clk,      "bus-rsb",      "apb",
                      0x068, BIT(3), 0);
static SUNXI_CCU_GATE(bus_i2s0_clk,     "bus-i2s0",     "apb",
                      0x068, BIT(12), 0);
static SUNXI_CCU_GATE(bus_i2c0_clk,     "bus-i2c0",     "apb",
                      0x068, BIT(16), 0);
static SUNXI_CCU_GATE(bus_i2c1_clk,     "bus-i2c1",     "apb",
                      0x068, BIT(17), 0);
static SUNXI_CCU_GATE(bus_i2c2_clk,     "bus-i2c2",     "apb",
                      0x068, BIT(18), 0);
static SUNXI_CCU_GATE(bus_pio_clk,      "bus-pio",      "apb",
                      0x068, BIT(19), 0);
static SUNXI_CCU_GATE(bus_uart0_clk,    "bus-uart0",    "apb",
                      0x068, BIT(20), 0);
static SUNXI_CCU_GATE(bus_uart1_clk,    "bus-uart1",    "apb",
                      0x068, BIT(21), 0);
static SUNXI_CCU_GATE(bus_uart2_clk,    "bus-uart2",    "apb",
                      0x068, BIT(22), 0);

static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
                                  0, 4,         /* M */
                                  16, 2,        /* P */
                                  24, 2,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
                       0x088, 20, 3, 0);
static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
                       0x088, 8, 3, 0);

static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
                                  0, 4,         /* M */
                                  16, 2,        /* P */
                                  24, 2,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
                       0x08c, 20, 3, 0);
static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
                       0x08c, 8, 3, 0);

static const char * const i2s_spdif_parents[] = { "pll-audio-8x",
                                                  "pll-audio-4x",
                                                  "pll-audio-2x",
                                                  "pll-audio" };

static SUNXI_CCU_MUX_WITH_GATE(i2s_clk, "i2s", i2s_spdif_parents,
                               0x0b0, 16, 2, BIT(31), 0);

static SUNXI_CCU_MUX_WITH_GATE(spdif_clk, "spdif", i2s_spdif_parents,
                               0x0b4, 16, 2, BIT(31), 0);

static const char * const ir_parents[] = { "osc32k", "osc24M" };
static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir",
                                  ir_parents, 0x0b8,
                                  0, 4,         /* M */
                                  16, 2,        /* P */
                                  24, 2,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(usb_phy0_clk,     "usb-phy0",     "osc24M",
                      0x0cc, BIT(1), 0);

static SUNXI_CCU_GATE(dram_ve_clk,      "dram-ve",      "pll-ddr",
                      0x100, BIT(0), 0);
static SUNXI_CCU_GATE(dram_csi_clk,     "dram-csi",     "pll-ddr",
                      0x100, BIT(1), 0);
static SUNXI_CCU_GATE(dram_deinterlace_clk,     "dram-deinterlace",
                      "pll-ddr", 0x100, BIT(2), 0);
static SUNXI_CCU_GATE(dram_tvd_clk,     "dram-tvd",     "pll-ddr",
                      0x100, BIT(3), 0);
static SUNXI_CCU_GATE(dram_de_fe_clk,   "dram-de-fe",   "pll-ddr",
                      0x100, BIT(24), 0);
static SUNXI_CCU_GATE(dram_de_be_clk,   "dram-de-be",   "pll-ddr",
                      0x100, BIT(26), 0);

static const char * const de_parents[] = { "pll-video", "pll-periph" };
static const u8 de_table[] = { 0, 2, };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be",
                                       de_parents, de_table,
                                       0x104, 0, 4, 24, 3, BIT(31), 0);

static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe",
                                       de_parents, de_table,
                                       0x10c, 0, 4, 24, 3, BIT(31), 0);

static const char * const tcon_parents[] = { "pll-video", "pll-video-2x" };
static const u8 tcon_table[] = { 0, 2, };
static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon_clk, "tcon",
                                     tcon_parents, tcon_table,
                                     0x118, 24, 3, BIT(31),
                                     CLK_SET_RATE_PARENT);

static const char * const deinterlace_parents[] = { "pll-video",
                                                    "pll-video-2x" };
static const u8 deinterlace_table[] = { 0, 2, };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(deinterlace_clk, "deinterlace",
                                       deinterlace_parents, deinterlace_table,
                                       0x11c, 0, 4, 24, 3, BIT(31), 0);

static const char * const tve_clk2_parents[] = { "pll-video",
                                                 "pll-video-2x" };
static const u8 tve_clk2_table[] = { 0, 2, };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(tve_clk2_clk, "tve-clk2",
                                       tve_clk2_parents, tve_clk2_table,
                                       0x120, 0, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_GATE(tve_clk1_clk, "tve-clk1", "tve-clk2",
                             0x120, 8, 1, BIT(15), 0);

static const char * const tvd_parents[] = { "pll-video", "osc24M",
                                            "pll-video-2x" };
static SUNXI_CCU_M_WITH_MUX_GATE(tvd_clk, "tvd", tvd_parents,
                                 0x124, 0, 4, 24, 3, BIT(31), 0);

static const char * const csi_parents[] = { "pll-video", "osc24M" };
static const u8 csi_table[] = { 0, 5, };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_clk, "csi", csi_parents, csi_table,
                                       0x120, 0, 4, 8, 3, BIT(15), 0);

/*
 * TODO: BSP says the parent is pll-audio, however common sense and experience
 * told us it should be pll-ve. pll-ve is totally not used in BSP code.
 */
static SUNXI_CCU_GATE(ve_clk, "ve", "pll-audio", 0x13c, BIT(31), 0);

static SUNXI_CCU_GATE(codec_clk, "codec", "pll-audio", 0x140, BIT(31), 0);

static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x144, BIT(31), 0);

static struct ccu_common *suniv_ccu_clks[] = {
        &pll_cpu_clk.common,
        &pll_audio_base_clk.common,
        &pll_video_clk.common,
        &pll_ve_clk.common,
        &pll_ddr0_clk.common,
        &pll_periph_clk.common,
        &cpu_clk.common,
        &ahb_clk.common,
        &apb_clk.common,
        &bus_dma_clk.common,
        &bus_mmc0_clk.common,
        &bus_mmc1_clk.common,
        &bus_dram_clk.common,
        &bus_spi0_clk.common,
        &bus_spi1_clk.common,
        &bus_otg_clk.common,
        &bus_ve_clk.common,
        &bus_lcd_clk.common,
        &bus_deinterlace_clk.common,
        &bus_csi_clk.common,
        &bus_tve_clk.common,
        &bus_tvd_clk.common,
        &bus_de_be_clk.common,
        &bus_de_fe_clk.common,
        &bus_codec_clk.common,
        &bus_spdif_clk.common,
        &bus_ir_clk.common,
        &bus_rsb_clk.common,
        &bus_i2s0_clk.common,
        &bus_i2c0_clk.common,
        &bus_i2c1_clk.common,
        &bus_i2c2_clk.common,
        &bus_pio_clk.common,
        &bus_uart0_clk.common,
        &bus_uart1_clk.common,
        &bus_uart2_clk.common,
        &mmc0_clk.common,
        &mmc0_sample_clk.common,
        &mmc0_output_clk.common,
        &mmc1_clk.common,
        &mmc1_sample_clk.common,
        &mmc1_output_clk.common,
        &i2s_clk.common,
        &spdif_clk.common,
        &ir_clk.common,
        &usb_phy0_clk.common,
        &dram_ve_clk.common,
        &dram_csi_clk.common,
        &dram_deinterlace_clk.common,
        &dram_tvd_clk.common,
        &dram_de_fe_clk.common,
        &dram_de_be_clk.common,
        &de_be_clk.common,
        &de_fe_clk.common,
        &tcon_clk.common,
        &deinterlace_clk.common,
        &tve_clk2_clk.common,
        &tve_clk1_clk.common,
        &tvd_clk.common,
        &csi_clk.common,
        &ve_clk.common,
        &codec_clk.common,
        &avs_clk.common,
};

static const struct clk_hw *clk_parent_pll_audio[] = {
        &pll_audio_base_clk.common.hw
};

static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio",
                            clk_parent_pll_audio,
                            4, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x",
                            clk_parent_pll_audio,
                            2, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x",
                            clk_parent_pll_audio,
                            1, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x",
                            clk_parent_pll_audio,
                            1, 2, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x",
                            &pll_video_clk.common.hw,
                            1, 2, 0);

static struct clk_hw_onecell_data suniv_hw_clks = {
        .hws    = {
                [CLK_PLL_CPU]           = &pll_cpu_clk.common.hw,
                [CLK_PLL_AUDIO_BASE]    = &pll_audio_base_clk.common.hw,
                [CLK_PLL_AUDIO]         = &pll_audio_clk.hw,
                [CLK_PLL_AUDIO_2X]      = &pll_audio_2x_clk.hw,
                [CLK_PLL_AUDIO_4X]      = &pll_audio_4x_clk.hw,
                [CLK_PLL_AUDIO_8X]      = &pll_audio_8x_clk.hw,
                [CLK_PLL_VIDEO]         = &pll_video_clk.common.hw,
                [CLK_PLL_VIDEO_2X]      = &pll_video_2x_clk.hw,
                [CLK_PLL_VE]            = &pll_ve_clk.common.hw,
                [CLK_PLL_DDR0]          = &pll_ddr0_clk.common.hw,
                [CLK_PLL_PERIPH]        = &pll_periph_clk.common.hw,
                [CLK_CPU]               = &cpu_clk.common.hw,
                [CLK_AHB]               = &ahb_clk.common.hw,
                [CLK_APB]               = &apb_clk.common.hw,
                [CLK_BUS_DMA]           = &bus_dma_clk.common.hw,
                [CLK_BUS_MMC0]          = &bus_mmc0_clk.common.hw,
                [CLK_BUS_MMC1]          = &bus_mmc1_clk.common.hw,
                [CLK_BUS_DRAM]          = &bus_dram_clk.common.hw,
                [CLK_BUS_SPI0]          = &bus_spi0_clk.common.hw,
                [CLK_BUS_SPI1]          = &bus_spi1_clk.common.hw,
                [CLK_BUS_OTG]           = &bus_otg_clk.common.hw,
                [CLK_BUS_VE]            = &bus_ve_clk.common.hw,
                [CLK_BUS_LCD]           = &bus_lcd_clk.common.hw,
                [CLK_BUS_DEINTERLACE]   = &bus_deinterlace_clk.common.hw,
                [CLK_BUS_CSI]           = &bus_csi_clk.common.hw,
                [CLK_BUS_TVD]           = &bus_tvd_clk.common.hw,
                [CLK_BUS_TVE]           = &bus_tve_clk.common.hw,
                [CLK_BUS_DE_BE]         = &bus_de_be_clk.common.hw,
                [CLK_BUS_DE_FE]         = &bus_de_fe_clk.common.hw,
                [CLK_BUS_CODEC]         = &bus_codec_clk.common.hw,
                [CLK_BUS_SPDIF]         = &bus_spdif_clk.common.hw,
                [CLK_BUS_IR]            = &bus_ir_clk.common.hw,
                [CLK_BUS_RSB]           = &bus_rsb_clk.common.hw,
                [CLK_BUS_I2S0]          = &bus_i2s0_clk.common.hw,
                [CLK_BUS_I2C0]          = &bus_i2c0_clk.common.hw,
                [CLK_BUS_I2C1]          = &bus_i2c1_clk.common.hw,
                [CLK_BUS_I2C2]          = &bus_i2c2_clk.common.hw,
                [CLK_BUS_PIO]           = &bus_pio_clk.common.hw,
                [CLK_BUS_UART0]         = &bus_uart0_clk.common.hw,
                [CLK_BUS_UART1]         = &bus_uart1_clk.common.hw,
                [CLK_BUS_UART2]         = &bus_uart2_clk.common.hw,
                [CLK_MMC0]              = &mmc0_clk.common.hw,
                [CLK_MMC0_SAMPLE]       = &mmc0_sample_clk.common.hw,
                [CLK_MMC0_OUTPUT]       = &mmc0_output_clk.common.hw,
                [CLK_MMC1]              = &mmc1_clk.common.hw,
                [CLK_MMC1_SAMPLE]       = &mmc1_sample_clk.common.hw,
                [CLK_MMC1_OUTPUT]       = &mmc1_output_clk.common.hw,
                [CLK_I2S]               = &i2s_clk.common.hw,
                [CLK_SPDIF]             = &spdif_clk.common.hw,
                [CLK_IR]                = &ir_clk.common.hw,
                [CLK_USB_PHY0]          = &usb_phy0_clk.common.hw,
                [CLK_DRAM_VE]           = &dram_ve_clk.common.hw,
                [CLK_DRAM_CSI]          = &dram_csi_clk.common.hw,
                [CLK_DRAM_DEINTERLACE]  = &dram_deinterlace_clk.common.hw,
                [CLK_DRAM_TVD]          = &dram_tvd_clk.common.hw,
                [CLK_DRAM_DE_FE]        = &dram_de_fe_clk.common.hw,
                [CLK_DRAM_DE_BE]        = &dram_de_be_clk.common.hw,
                [CLK_DE_BE]             = &de_be_clk.common.hw,
                [CLK_DE_FE]             = &de_fe_clk.common.hw,
                [CLK_TCON]              = &tcon_clk.common.hw,
                [CLK_DEINTERLACE]       = &deinterlace_clk.common.hw,
                [CLK_TVE2_CLK]          = &tve_clk2_clk.common.hw,
                [CLK_TVE1_CLK]          = &tve_clk1_clk.common.hw,
                [CLK_TVD]               = &tvd_clk.common.hw,
                [CLK_CSI]               = &csi_clk.common.hw,
                [CLK_VE]                = &ve_clk.common.hw,
                [CLK_CODEC]             = &codec_clk.common.hw,
                [CLK_AVS]               = &avs_clk.common.hw,
        },
        .num    = CLK_NUMBER,
};

static const struct ccu_reset_map suniv_ccu_resets[] = {
        [RST_USB_PHY0]          =  { 0x0cc, BIT(0) },

        [RST_BUS_DMA]           =  { 0x2c0, BIT(6) },
        [RST_BUS_MMC0]          =  { 0x2c0, BIT(8) },
        [RST_BUS_MMC1]          =  { 0x2c0, BIT(9) },
        [RST_BUS_DRAM]          =  { 0x2c0, BIT(14) },
        [RST_BUS_SPI0]          =  { 0x2c0, BIT(20) },
        [RST_BUS_SPI1]          =  { 0x2c0, BIT(21) },
        [RST_BUS_OTG]           =  { 0x2c0, BIT(24) },
        [RST_BUS_VE]            =  { 0x2c4, BIT(0) },
        [RST_BUS_LCD]           =  { 0x2c4, BIT(4) },
        [RST_BUS_DEINTERLACE]   =  { 0x2c4, BIT(5) },
        [RST_BUS_CSI]           =  { 0x2c4, BIT(8) },
        [RST_BUS_TVD]           =  { 0x2c4, BIT(9) },
        [RST_BUS_TVE]           =  { 0x2c4, BIT(10) },
        [RST_BUS_DE_BE]         =  { 0x2c4, BIT(12) },
        [RST_BUS_DE_FE]         =  { 0x2c4, BIT(14) },
        [RST_BUS_CODEC]         =  { 0x2d0, BIT(0) },
        [RST_BUS_SPDIF]         =  { 0x2d0, BIT(1) },
        [RST_BUS_IR]            =  { 0x2d0, BIT(2) },
        [RST_BUS_RSB]           =  { 0x2d0, BIT(3) },
        [RST_BUS_I2S0]          =  { 0x2d0, BIT(12) },
        [RST_BUS_I2C0]          =  { 0x2d0, BIT(16) },
        [RST_BUS_I2C1]          =  { 0x2d0, BIT(17) },
        [RST_BUS_I2C2]          =  { 0x2d0, BIT(18) },
        [RST_BUS_UART0]         =  { 0x2d0, BIT(20) },
        [RST_BUS_UART1]         =  { 0x2d0, BIT(21) },
        [RST_BUS_UART2]         =  { 0x2d0, BIT(22) },
};

static const struct sunxi_ccu_desc suniv_ccu_desc = {
        .ccu_clks       = suniv_ccu_clks,
        .num_ccu_clks   = ARRAY_SIZE(suniv_ccu_clks),

        .hw_clks        = &suniv_hw_clks,

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

static struct ccu_pll_nb suniv_pll_cpu_nb = {
        .common = &pll_cpu_clk.common,
        /* copy from pll_cpu_clk */
        .enable = BIT(31),
        .lock   = BIT(28),
};

static struct ccu_mux_nb suniv_cpu_nb = {
        .common         = &cpu_clk.common,
        .cm             = &cpu_clk.mux,
        .delay_us       = 1, /* > 8 clock cycles at 24 MHz */
        .bypass_index   = 1, /* index of 24 MHz oscillator */
};

static int suniv_f1c100s_ccu_probe(struct platform_device *pdev)
{
        void __iomem *reg;
        int ret;
        u32 val;

        reg = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(reg))
                return PTR_ERR(reg);

        /* Force the PLL-Audio-1x divider to 4 */
        val = readl(reg + SUNIV_PLL_AUDIO_REG);
        val &= ~GENMASK(19, 16);
        writel(val | (3 << 16), reg + SUNIV_PLL_AUDIO_REG);

        ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &suniv_ccu_desc);
        if (ret)
                return ret;

        /* Gate then ungate PLL CPU after any rate changes */
        ccu_pll_notifier_register(&suniv_pll_cpu_nb);

        /* Reparent CPU during PLL CPU rate changes */
        ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk,
                                  &suniv_cpu_nb);

        return 0;
}

static const struct of_device_id suniv_f1c100s_ccu_ids[] = {
        { .compatible = "allwinner,suniv-f1c100s-ccu" },
        { }
};
MODULE_DEVICE_TABLE(of, suniv_f1c100s_ccu_ids);

static struct platform_driver suniv_f1c100s_ccu_driver = {
        .probe  = suniv_f1c100s_ccu_probe,
        .driver = {
                .name                   = "suniv-f1c100s-ccu",
                .suppress_bind_attrs    = true,
                .of_match_table         = suniv_f1c100s_ccu_ids,
        },
};
module_platform_driver(suniv_f1c100s_ccu_driver);

MODULE_IMPORT_NS("SUNXI_CCU");
MODULE_DESCRIPTION("Support for the Allwinner newer F1C100s CCU");
MODULE_LICENSE("GPL");