drivers/clk/sunxi-ng/ccu-sun50i-a100.c

root/drivers/clk/sunxi-ng/ccu-sun50i-a100.c
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com>
 */

#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-sun50i-a100.h"

#define SUN50I_A100_PLL_SDM_ENABLE              BIT(24)
#define SUN50I_A100_PLL_OUTPUT_ENABLE           BIT(27)
#define SUN50I_A100_PLL_LOCK                    BIT(28)
#define SUN50I_A100_PLL_LOCK_ENABLE             BIT(29)
#define SUN50I_A100_PLL_ENABLE                  BIT(31)

#define SUN50I_A100_PLL_PERIPH1_PATTERN0        0xd1303333

/*
 * The CPU PLL is actually NP clock, with P being /1, /2 or /4. However
 * P should only be used for output frequencies lower than 288 MHz.
 *
 * For now we can just model it as a multiplier clock, and force P to /1.
 *
 * The M factor is present in the register's description, but not in the
 * frequency formula, and it's documented as "M is only used for backdoor
 * testing", so it's not modelled and then force to 0.
 */
#define SUN50I_A100_PLL_CPUX_REG                0x000
static struct ccu_mult pll_cpux_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .mult           = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .common         = {
                .reg            = 0x000,
                .hw.init        = CLK_HW_INIT("pll-cpux", "dcxo24M",
                                              &ccu_mult_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

/* Some PLLs are input * N / div1 / P. Model them as NKMP with no K */
#define SUN50I_A100_PLL_DDR0_REG                0x010
static struct ccu_nkmp pll_ddr0_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .p              = _SUNXI_CCU_DIV(0, 1), /* output divider */
        .common         = {
                .reg            = 0x010,
                .hw.init        = CLK_HW_INIT("pll-ddr0", "dcxo24M",
                                              &ccu_nkmp_ops,
                                              CLK_SET_RATE_UNGATE |
                                              CLK_IS_CRITICAL),
        },
};

#define SUN50I_A100_PLL_PERIPH0_REG     0x020
static struct ccu_nkmp pll_periph0_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .p              = _SUNXI_CCU_DIV(0, 1), /* output divider */
        .fixed_post_div = 2,
        .common         = {
                .reg            = 0x020,
                .features       = CCU_FEATURE_FIXED_POSTDIV,
                .hw.init        = CLK_HW_INIT("pll-periph0", "dcxo24M",
                                              &ccu_nkmp_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

#define SUN50I_A100_PLL_PERIPH1_REG     0x028
static struct ccu_nkmp pll_periph1_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .p              = _SUNXI_CCU_DIV(0, 1), /* output divider */
        .fixed_post_div = 2,
        .common         = {
                .reg            = 0x028,
                .features       = CCU_FEATURE_FIXED_POSTDIV,
                .hw.init        = CLK_HW_INIT("pll-periph1", "dcxo24M",
                                              &ccu_nkmp_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};
#define SUN50I_A100_PLL_PERIPH1_PATTERN0_REG    0x128

#define SUN50I_A100_PLL_GPU_REG         0x030
static struct ccu_nkmp pll_gpu_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .p              = _SUNXI_CCU_DIV(0, 1), /* output divider */
        .common         = {
                .reg            = 0x030,
                .hw.init        = CLK_HW_INIT("pll-gpu", "dcxo24M",
                                              &ccu_nkmp_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

/*
 * For Video PLLs, the output divider is described as "used for testing"
 * in the user manual. So it's not modelled and forced to 0.
 */
#define SUN50I_A100_PLL_VIDEO0_REG      0x040
static struct ccu_nm pll_video0_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .fixed_post_div = 4,
        .common         = {
                .reg            = 0x040,
                .features       = CCU_FEATURE_FIXED_POSTDIV,
                .hw.init        = CLK_HW_INIT("pll-video0", "dcxo24M",
                                              &ccu_nm_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

#define SUN50I_A100_PLL_VIDEO1_REG      0x048
static struct ccu_nm pll_video1_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .fixed_post_div = 4,
        .common         = {
                .reg            = 0x048,
                .features       = CCU_FEATURE_FIXED_POSTDIV,
                .hw.init        = CLK_HW_INIT("pll-video1", "dcxo24M",
                                              &ccu_nm_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

#define SUN50I_A100_PLL_VIDEO2_REG      0x050
static struct ccu_nm pll_video2_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .fixed_post_div = 4,
        .common         = {
                .reg            = 0x050,
                .features       = CCU_FEATURE_FIXED_POSTDIV,
                .hw.init        = CLK_HW_INIT("pll-video2", "dcxo24M",
                                              &ccu_nm_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

#define SUN50I_A100_PLL_VE_REG          0x058
static struct ccu_nkmp pll_ve_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .p              = _SUNXI_CCU_DIV(0, 1), /* output divider */
        .common         = {
                .reg            = 0x058,
                .hw.init        = CLK_HW_INIT("pll-ve", "dcxo24M",
                                              &ccu_nkmp_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

/*
 * The COM PLL has m0 dividers in addition to the usual N, M
 * factors. Since we only need 1 frequencies from this PLL: 45.1584 MHz,
 * ignore it for now.
 */
#define SUN50I_A100_PLL_COM_REG         0x060
static struct ccu_sdm_setting pll_com_sdm_table[] = {
        { .rate = 451584000, .pattern = 0xc0014396, .m = 2, .n = 37 },
};

static struct ccu_nm pll_com_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(0, 1),
        .sdm            = _SUNXI_CCU_SDM(pll_com_sdm_table, BIT(24),
                                         0x160, BIT(31)),
        .common         = {
                .reg            = 0x060,
                .features       = CCU_FEATURE_SIGMA_DELTA_MOD,
                .hw.init        = CLK_HW_INIT("pll-com", "dcxo24M",
                                              &ccu_nm_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

#define SUN50I_A100_PLL_VIDEO3_REG      0x068
static struct ccu_nm pll_video3_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(1, 1), /* input divider */
        .fixed_post_div = 4,
        .common         = {
                .reg            = 0x068,
                .features       = CCU_FEATURE_FIXED_POSTDIV,
                .hw.init        = CLK_HW_INIT("pll-video3", "dcxo24M",
                                              &ccu_nm_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

/*
 * The Audio PLL has m0, m1 dividers in addition to the usual N, M
 * factors. Since we only need 4 frequencies from this PLL: 22.5792 MHz,
 * 24.576 MHz, 90.3168MHz and 98.304MHz ignore them for now.
 * Enforce the default for them, which is m0 = 1, m1 = 0.
 */
#define SUN50I_A100_PLL_AUDIO_REG               0x078
static struct ccu_sdm_setting pll_audio_sdm_table[] = {
        { .rate = 45158400, .pattern = 0xc001bcd3, .m = 18, .n = 33 },
        { .rate = 49152000, .pattern = 0xc001eb85, .m = 20, .n = 40 },
        { .rate = 180633600, .pattern = 0xc001288d, .m = 3, .n = 22 },
        { .rate = 196608000, .pattern = 0xc001eb85, .m = 5, .n = 40 },
};

static struct ccu_nm pll_audio_clk = {
        .enable         = SUN50I_A100_PLL_OUTPUT_ENABLE,
        .lock           = SUN50I_A100_PLL_LOCK,
        .n              = _SUNXI_CCU_MULT_MIN(8, 8, 12),
        .m              = _SUNXI_CCU_DIV(16, 6),
        .fixed_post_div = 2,
        .sdm            = _SUNXI_CCU_SDM(pll_audio_sdm_table, BIT(24),
                                         0x178, BIT(31)),
        .common         = {
                .reg            = 0x078,
                .features       = CCU_FEATURE_FIXED_POSTDIV |
                                  CCU_FEATURE_SIGMA_DELTA_MOD,
                .hw.init        = CLK_HW_INIT("pll-audio", "dcxo24M",
                                              &ccu_nm_ops,
                                              CLK_SET_RATE_UNGATE),
        },
};

static const char * const cpux_parents[] = { "dcxo24M", "osc32k",
                                             "iosc", "pll-cpux",
                                              "pll-periph0" };
static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
                     0x500, 24, 3, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x500, 0, 2, 0);
static SUNXI_CCU_M(cpux_apb_clk, "cpux-apb", "cpux", 0x500, 8, 2, 0);

static const char * const psi_ahb1_ahb2_parents[] = { "dcxo24M", "osc32k",
                                                      "iosc", "pll-periph0",
                                                      "pll-periph0-2x" };
static SUNXI_CCU_MP_WITH_MUX(psi_ahb1_ahb2_clk, "psi-ahb1-ahb2",
                             psi_ahb1_ahb2_parents, 0x510,
                             0, 2,      /* M */
                             8, 2,      /* P */
                             24, 3,     /* mux */
                             0);

static const char * const ahb3_apb1_apb2_parents[] = { "dcxo24M", "osc32k",
                                                       "psi-ahb1-ahb2",
                                                       "pll-periph0",
                                                       "pll-periph0-2x" };
static SUNXI_CCU_MP_WITH_MUX(ahb3_clk, "ahb3", ahb3_apb1_apb2_parents, 0x51c,
                             0, 2,      /* M */
                             8, 2,      /* P */
                             24, 3,     /* mux */
                             0);

static SUNXI_CCU_MP_WITH_MUX(apb1_clk, "apb1", ahb3_apb1_apb2_parents, 0x520,
                             0, 2,      /* M */
                             8, 2,      /* P */
                             24, 3,     /* mux */
                             0);

static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", ahb3_apb1_apb2_parents, 0x524,
                             0, 2,      /* M */
                             8, 2,      /* P */
                             24, 3,     /* mux */
                             0);

static const char * const mbus_parents[] = { "dcxo24M", "pll-ddr0",
                                             "pll-periph0",
                                             "pll-periph0-2x" };
static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x540,
                                 0, 3,          /* M */
                                 24, 2,         /* mux */
                                 BIT(31),       /* gate */
                                 CLK_IS_CRITICAL);

static const char * const de_parents[] = { "pll-com", "pll-periph0-2x" };
static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de0", de_parents, 0x600,
                                 0, 4,          /* M */
                                 24, 1,         /* mux */
                                 BIT(31),       /* gate */
                                 CLK_SET_RATE_PARENT);

static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "psi-ahb1-ahb2",
                      0x60c, BIT(0), 0);

static const char * const g2d_parents[] = { "pll-com", "pll-periph0-2x",
                                             "pll-video0-2x", "pll-video1-2x",
                                             "pll-video2-2x"};
static SUNXI_CCU_M_WITH_MUX_GATE(g2d_clk, "g2d",
                                 g2d_parents,
                                 0x630,
                                 0, 4,          /* M */
                                 24, 3,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static SUNXI_CCU_GATE(bus_g2d_clk, "bus-g2d", "psi-ahb1-ahb2",
                      0x63c, BIT(0), 0);

static const char * const gpu_parents[] = { "pll-gpu" };
static SUNXI_CCU_M_WITH_MUX_GATE(gpu_clk, "gpu", gpu_parents, 0x670,
                                       0, 2,    /* M */
                                       24, 1,   /* mux */
                                       BIT(31), /* gate */
                                       0);

static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "psi-ahb1-ahb2",
                      0x67c, BIT(0), 0);

static const char * const ce_parents[] = { "dcxo24M", "pll-periph0-2x" };
static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x680,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 1,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "psi-ahb1-ahb2",
                      0x68c, BIT(0), 0);

static const char * const ve_parents[] = { "pll-ve" };
static SUNXI_CCU_M_WITH_MUX_GATE(ve_clk, "ve", ve_parents, 0x690,
                                 0, 3,          /* M */
                                 24, 1,         /* mux */
                                 BIT(31),       /* gate */
                                 CLK_SET_RATE_PARENT);

static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "psi-ahb1-ahb2",
                      0x69c, BIT(0), 0);

static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "psi-ahb1-ahb2",
                      0x70c, BIT(0), 0);

static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "psi-ahb1-ahb2",
                      0x71c, BIT(0), 0);

static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "psi-ahb1-ahb2",
                      0x72c, BIT(0), 0);

static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "psi-ahb1-ahb2",
                      0x73c, BIT(0), 0);

static SUNXI_CCU_GATE(avs_clk, "avs", "dcxo24M", 0x740, BIT(31), 0);

static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "psi-ahb1-ahb2",
                      0x78c, BIT(0), 0);

static SUNXI_CCU_GATE(bus_psi_clk, "bus-psi", "psi-ahb1-ahb2",
                      0x79c, BIT(0), 0);

static SUNXI_CCU_GATE(bus_pwm_clk, "bus-pwm", "apb1", 0x7ac, BIT(0), 0);

static SUNXI_CCU_GATE(bus_iommu_clk, "bus-iommu", "apb1", 0x7bc, BIT(0), 0);

static SUNXI_CCU_GATE(mbus_dma_clk, "mbus-dma", "mbus",
                      0x804, BIT(0), 0);
static SUNXI_CCU_GATE(mbus_ve_clk, "mbus-ve", "mbus",
                      0x804, BIT(1), 0);
static SUNXI_CCU_GATE(mbus_ce_clk, "mbus-ce", "mbus",
                      0x804, BIT(2), 0);
static SUNXI_CCU_GATE(mbus_nand_clk, "mbus-nand", "mbus",
                      0x804, BIT(5), 0);
static SUNXI_CCU_GATE(mbus_csi_clk, "mbus-csi", "mbus",
                      0x804, BIT(8), 0);
static SUNXI_CCU_GATE(mbus_isp_clk, "mbus-isp", "mbus",
                      0x804, BIT(9), 0);
static SUNXI_CCU_GATE(mbus_g2d_clk, "mbus-g2d", "mbus",
                      0x804, BIT(10), 0);

static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "psi-ahb1-ahb2",
                      0x80c, BIT(0), CLK_IS_CRITICAL);

static const char * const nand_spi_parents[] = { "dcxo24M",
                                                 "pll-periph0",
                                                 "pll-periph1",
                                                 "pll-periph0-2x",
                                                 "pll-periph1-2x" };
static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_clk, "nand0", nand_spi_parents, 0x810,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_clk, "nand1", nand_spi_parents, 0x814,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb3", 0x82c, BIT(0), 0);

static const char * const mmc_parents[] = { "dcxo24M", "pll-periph0-2x",
                                            "pll-periph1-2x" };
static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", mmc_parents, 0x830,
                                          0, 4,         /* M */
                                          8, 2,         /* P */
                                          24, 2,        /* mux */
                                          BIT(31),      /* gate */
                                          2,            /* post-div */
                                          0);

static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents, 0x834,
                                          0, 4,         /* M */
                                          8, 2,         /* P */
                                          24, 2,        /* mux */
                                          BIT(31),      /* gate */
                                          2,            /* post-div */
                                          0);

static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", mmc_parents, 0x838,
                                          0, 4,         /* M */
                                          8, 2,         /* P */
                                          24, 2,        /* mux */
                                          BIT(31),      /* gate */
                                          2,            /* post-div */
                                          0);

static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb3", 0x84c, BIT(0), 0);
static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb3", 0x84c, BIT(1), 0);
static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb3", 0x84c, BIT(2), 0);

static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 0x90c, BIT(0), 0);
static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 0x90c, BIT(1), 0);
static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 0x90c, BIT(2), 0);
static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 0x90c, BIT(3), 0);
static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2", 0x90c, BIT(4), 0);

static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 0x91c, BIT(0), 0);
static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 0x91c, BIT(1), 0);
static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 0x91c, BIT(2), 0);
static SUNXI_CCU_GATE(bus_i2c3_clk, "bus-i2c3", "apb2", 0x91c, BIT(3), 0);

static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", nand_spi_parents, 0x940,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", nand_spi_parents, 0x944,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", nand_spi_parents, 0x948,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb3", 0x96c, BIT(0), 0);
static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb3", 0x96c, BIT(1), 0);
static SUNXI_CCU_GATE(bus_spi2_clk, "bus-spi2", "ahb3", 0x96c, BIT(2), 0);

static SUNXI_CCU_GATE(emac_25m_clk, "emac-25m", "ahb3", 0x970,
                      BIT(31) | BIT(30), 0);

static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb3", 0x97c, BIT(0), 0);

static const char * const ir_parents[] = { "osc32k", "iosc",
                                           "pll-periph0", "pll-periph1" };
static SUNXI_CCU_MP_WITH_MUX_GATE(ir_rx_clk, "ir-rx", ir_parents, 0x990,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(bus_ir_rx_clk, "bus-ir-rx", "ahb3", 0x99c, BIT(0), 0);

static SUNXI_CCU_MP_WITH_MUX_GATE(ir_tx_clk, "ir-tx", ir_parents, 0x9c0,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(bus_ir_tx_clk, "bus-ir-tx", "apb1", 0x9cc, BIT(0), 0);

static SUNXI_CCU_GATE(bus_gpadc_clk, "bus-gpadc", "apb1", 0x9ec, BIT(0), 0);

static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1", 0x9fc, BIT(0), 0);

static const char * const audio_parents[] = { "pll-audio", "pll-com-audio" };
static struct ccu_div i2s0_clk = {
        .enable         = BIT(31),
        .div            = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
        .mux            = _SUNXI_CCU_MUX(24, 2),
        .common         = {
                .reg            = 0xa10,
                .hw.init        = CLK_HW_INIT_PARENTS("i2s0",
                                                      audio_parents,
                                                      &ccu_div_ops,
                                                      CLK_SET_RATE_PARENT),
        },
};

static struct ccu_div i2s1_clk = {
        .enable         = BIT(31),
        .div            = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
        .mux            = _SUNXI_CCU_MUX(24, 2),
        .common         = {
                .reg            = 0xa14,
                .hw.init        = CLK_HW_INIT_PARENTS("i2s1",
                                                      audio_parents,
                                                      &ccu_div_ops,
                                                      CLK_SET_RATE_PARENT),
        },
};

static struct ccu_div i2s2_clk = {
        .enable         = BIT(31),
        .div            = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
        .mux            = _SUNXI_CCU_MUX(24, 2),
        .common         = {
                .reg            = 0xa18,
                .hw.init        = CLK_HW_INIT_PARENTS("i2s2",
                                                      audio_parents,
                                                      &ccu_div_ops,
                                                      CLK_SET_RATE_PARENT),
        },
};

static struct ccu_div i2s3_clk = {
        .enable         = BIT(31),
        .div            = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
        .mux            = _SUNXI_CCU_MUX(24, 2),
        .common         = {
                .reg            = 0xa1c,
                .hw.init        = CLK_HW_INIT_PARENTS("i2s3",
                                                      audio_parents,
                                                      &ccu_div_ops,
                                                      CLK_SET_RATE_PARENT),
        },
};

static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 0xa20, BIT(0), 0);
static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 0xa20, BIT(1), 0);
static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1", 0xa20, BIT(2), 0);
static SUNXI_CCU_GATE(bus_i2s3_clk, "bus-i2s3", "apb1", 0xa20, BIT(3), 0);

static struct ccu_div spdif_clk = {
        .enable         = BIT(31),
        .div            = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
        .mux            = _SUNXI_CCU_MUX(24, 2),
        .common         = {
                .reg            = 0xa24,
                .hw.init        = CLK_HW_INIT_PARENTS("spdif",
                                                      audio_parents,
                                                      &ccu_div_ops,
                                                      0),
        },
};

static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1", 0xa2c, BIT(0), 0);

static struct ccu_div dmic_clk = {
        .enable         = BIT(31),
        .div            = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
        .mux            = _SUNXI_CCU_MUX(24, 2),
        .common         = {
                .reg            = 0xa40,
                .hw.init        = CLK_HW_INIT_PARENTS("dmic",
                                                      audio_parents,
                                                      &ccu_div_ops,
                                                      0),
        },
};

static SUNXI_CCU_GATE(bus_dmic_clk, "bus-dmic", "apb1", 0xa4c, BIT(0), 0);

static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_dac_clk, "audio-codec-dac",
                                 audio_parents, 0xa50,
                                 0, 4,          /* M */
                                 24, 2,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_adc_clk, "audio-codec-adc",
                                 audio_parents, 0xa54,
                                 0, 4,          /* M */
                                 24, 2,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_4x_clk, "audio-codec-4x",
                                 audio_parents, 0xa58,
                                 0, 4,          /* M */
                                 24, 2,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static SUNXI_CCU_GATE(bus_audio_codec_clk, "bus-audio-codec", "apb1", 0xa5c,
                      BIT(0), 0);

/*
 * There are OHCI 12M clock source selection bits for 2 USB 2.0 ports.
 * We will force them to 0 (12M divided from 48M).
 */
#define SUN50I_A100_USB0_CLK_REG                0xa70
#define SUN50I_A100_USB1_CLK_REG                0xa74

static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M", 0xa70, BIT(31), 0);
static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "dcxo24M", 0xa70, BIT(29), 0);

static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "osc12M", 0xa74, BIT(31), 0);
static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "dcxo24M", 0xa74, BIT(29), 0);

static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb3", 0xa8c, BIT(0), 0);
static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb3", 0xa8c, BIT(1), 0);
static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb3", 0xa8c, BIT(4), 0);
static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb3", 0xa8c, BIT(5), 0);
static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb3", 0xa8c, BIT(8), 0);

static SUNXI_CCU_GATE(bus_lradc_clk, "bus-lradc", "ahb3", 0xa9c, BIT(0), 0);

static SUNXI_CCU_GATE(bus_dpss_top0_clk, "bus-dpss-top0", "ahb3",
                      0xabc, BIT(0), 0);

static SUNXI_CCU_GATE(bus_dpss_top1_clk, "bus-dpss-top1", "ahb3",
                      0xacc, BIT(0), 0);

static const char * const mipi_dsi_parents[] = { "dcxo24M", "pll-periph0-2x",
                                                 "pll-periph0" };
static SUNXI_CCU_M_WITH_MUX_GATE(mipi_dsi_clk, "mipi-dsi",
                                 mipi_dsi_parents,
                                 0xb24,
                                 0, 4,          /* M */
                                 24, 2,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb3",
                      0xb4c, BIT(0), 0);

static const char * const tcon_lcd_parents[] = { "pll-video0-4x",
                                                  "pll-video1-4x",
                                                  "pll-video2-4x",
                                                  "pll-video3-4x",
                                                  "pll-periph0-2x" };
static SUNXI_CCU_MP_WITH_MUX_GATE(tcon_lcd_clk, "tcon-lcd0",
                                  tcon_lcd_parents, 0xb60,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(bus_tcon_lcd_clk, "bus-tcon-lcd0", "ahb3",
                      0xb7c, BIT(0), 0);

static const char * const ledc_parents[] = { "dcxo24M",
                                             "pll-periph0" };
static SUNXI_CCU_MP_WITH_MUX_GATE(ledc_clk, "ledc",
                                  ledc_parents, 0xbf0,
                                  0, 4,         /* M */
                                  8, 2,         /* P */
                                  24, 3,        /* mux */
                                  BIT(31),      /* gate */
                                  0);

static SUNXI_CCU_GATE(bus_ledc_clk, "bus-ledc", "ahb3", 0xbfc, BIT(0), 0);

static const char * const csi_top_parents[] = { "pll-periph0-2x",
                                                "pll-video0-2x",
                                                "pll-video1-2x",
                                                "pll-video2-2x",
                                                "pll-video3-2x" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_top_clk, "csi-top",
                                 csi_top_parents, 0xc04,
                                 0, 4,          /* M */
                                 24, 3,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static const char * const csi0_mclk_parents[] = { "dcxo24M", "pll-video2",
                                                  "pll-video3", "pll-video0",
                                                  "pll-video1" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk",
                                 csi0_mclk_parents, 0xc08,
                                 0, 5,          /* M */
                                 24, 3,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static const char * const csi1_mclk_parents[] = { "dcxo24M", "pll-video3",
                                                  "pll-video0", "pll-video1",
                                                  "pll-video2" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk",
                                 csi1_mclk_parents, 0xc0c,
                                 0, 5,          /* M */
                                 24, 3,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb3", 0xc1c, BIT(0), 0);

static const char * const csi_isp_parents[] = { "pll-periph0-2x",
                                                "pll-video0-2x",
                                                "pll-video1-2x",
                                                "pll-video2-2x",
                                                "pll-video3-2x" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_isp_clk, "csi-isp",
                                 csi_isp_parents, 0xc20,
                                 0, 5,          /* M */
                                 24, 3,         /* mux */
                                 BIT(31),       /* gate */
                                 0);

/* Fixed factor clocks */
static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0);

static CLK_FIXED_FACTOR_HW(pll_com_audio_clk, "pll-com-audio",
                           &pll_com_clk.common.hw,
                           5, 1, CLK_SET_RATE_PARENT);

static CLK_FIXED_FACTOR_HW(pll_periph0_2x_clk, "pll-periph0-2x",
                           &pll_periph0_clk.common.hw,
                           1, 2, 0);

static CLK_FIXED_FACTOR_HW(pll_periph1_2x_clk, "pll-periph1-2x",
                           &pll_periph1_clk.common.hw,
                           1, 2, 0);

static const struct clk_hw *pll_video0_parents[] = {
        &pll_video0_clk.common.hw
};
static CLK_FIXED_FACTOR_HWS(pll_video0_4x_clk, "pll-video0-4x",
                            pll_video0_parents,
                            1, 4, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HWS(pll_video0_2x_clk, "pll-video0-2x",
                            pll_video0_parents,
                            1, 2, CLK_SET_RATE_PARENT);

static const struct clk_hw *pll_video1_parents[] = {
        &pll_video1_clk.common.hw
};
static CLK_FIXED_FACTOR_HWS(pll_video1_4x_clk, "pll-video1-4x",
                            pll_video1_parents,
                            1, 4, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HWS(pll_video1_2x_clk, "pll-video1-2x",
                            pll_video1_parents,
                            1, 2, CLK_SET_RATE_PARENT);

static const struct clk_hw *pll_video2_parents[] = {
        &pll_video2_clk.common.hw
};
static CLK_FIXED_FACTOR_HWS(pll_video2_4x_clk, "pll-video2-4x",
                            pll_video2_parents,
                            1, 4, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HWS(pll_video2_2x_clk, "pll-video2-2x",
                            pll_video2_parents,
                            1, 2, CLK_SET_RATE_PARENT);

static const struct clk_hw *pll_video3_parents[] = {
        &pll_video3_clk.common.hw
};
static CLK_FIXED_FACTOR_HWS(pll_video3_4x_clk, "pll-video3-4x",
                            pll_video3_parents,
                            1, 4, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR_HWS(pll_video3_2x_clk, "pll-video3-2x",
                            pll_video3_parents,
                            1, 2, CLK_SET_RATE_PARENT);

static struct ccu_common *sun50i_a100_ccu_clks[] = {
        &pll_cpux_clk.common,
        &pll_ddr0_clk.common,
        &pll_periph0_clk.common,
        &pll_periph1_clk.common,
        &pll_gpu_clk.common,
        &pll_video0_clk.common,
        &pll_video1_clk.common,
        &pll_video2_clk.common,
        &pll_video3_clk.common,
        &pll_ve_clk.common,
        &pll_com_clk.common,
        &pll_audio_clk.common,
        &cpux_clk.common,
        &axi_clk.common,
        &cpux_apb_clk.common,
        &psi_ahb1_ahb2_clk.common,
        &ahb3_clk.common,
        &apb1_clk.common,
        &apb2_clk.common,
        &mbus_clk.common,
        &de_clk.common,
        &bus_de_clk.common,
        &g2d_clk.common,
        &bus_g2d_clk.common,
        &gpu_clk.common,
        &bus_gpu_clk.common,
        &ce_clk.common,
        &bus_ce_clk.common,
        &ve_clk.common,
        &bus_ve_clk.common,
        &bus_dma_clk.common,
        &bus_msgbox_clk.common,
        &bus_spinlock_clk.common,
        &bus_hstimer_clk.common,
        &avs_clk.common,
        &bus_dbg_clk.common,
        &bus_psi_clk.common,
        &bus_pwm_clk.common,
        &bus_iommu_clk.common,
        &mbus_dma_clk.common,
        &mbus_ve_clk.common,
        &mbus_ce_clk.common,
        &mbus_nand_clk.common,
        &mbus_csi_clk.common,
        &mbus_isp_clk.common,
        &mbus_g2d_clk.common,
        &bus_dram_clk.common,
        &nand0_clk.common,
        &nand1_clk.common,
        &bus_nand_clk.common,
        &mmc0_clk.common,
        &mmc1_clk.common,
        &mmc2_clk.common,
        &bus_mmc0_clk.common,
        &bus_mmc1_clk.common,
        &bus_mmc2_clk.common,
        &bus_uart0_clk.common,
        &bus_uart1_clk.common,
        &bus_uart2_clk.common,
        &bus_uart3_clk.common,
        &bus_uart4_clk.common,
        &bus_i2c0_clk.common,
        &bus_i2c1_clk.common,
        &bus_i2c2_clk.common,
        &bus_i2c3_clk.common,
        &spi0_clk.common,
        &spi1_clk.common,
        &spi2_clk.common,
        &bus_spi0_clk.common,
        &bus_spi1_clk.common,
        &bus_spi2_clk.common,
        &emac_25m_clk.common,
        &bus_emac_clk.common,
        &ir_rx_clk.common,
        &bus_ir_rx_clk.common,
        &ir_tx_clk.common,
        &bus_ir_tx_clk.common,
        &bus_gpadc_clk.common,
        &bus_ths_clk.common,
        &i2s0_clk.common,
        &i2s1_clk.common,
        &i2s2_clk.common,
        &i2s3_clk.common,
        &bus_i2s0_clk.common,
        &bus_i2s1_clk.common,
        &bus_i2s2_clk.common,
        &bus_i2s3_clk.common,
        &spdif_clk.common,
        &bus_spdif_clk.common,
        &dmic_clk.common,
        &bus_dmic_clk.common,
        &audio_codec_dac_clk.common,
        &audio_codec_adc_clk.common,
        &audio_codec_4x_clk.common,
        &bus_audio_codec_clk.common,
        &usb_ohci0_clk.common,
        &usb_phy0_clk.common,
        &usb_ohci1_clk.common,
        &usb_phy1_clk.common,
        &bus_ohci0_clk.common,
        &bus_ohci1_clk.common,
        &bus_ehci0_clk.common,
        &bus_ehci1_clk.common,
        &bus_otg_clk.common,
        &bus_lradc_clk.common,
        &bus_dpss_top0_clk.common,
        &bus_dpss_top1_clk.common,
        &mipi_dsi_clk.common,
        &bus_mipi_dsi_clk.common,
        &tcon_lcd_clk.common,
        &bus_tcon_lcd_clk.common,
        &ledc_clk.common,
        &bus_ledc_clk.common,
        &csi_top_clk.common,
        &csi0_mclk_clk.common,
        &csi1_mclk_clk.common,
        &bus_csi_clk.common,
        &csi_isp_clk.common,
};

static struct clk_hw_onecell_data sun50i_a100_hw_clks = {
        .hws    = {
                [CLK_OSC12M]            = &osc12M_clk.hw,
                [CLK_PLL_CPUX]          = &pll_cpux_clk.common.hw,
                [CLK_PLL_DDR0]          = &pll_ddr0_clk.common.hw,
                [CLK_PLL_PERIPH0]       = &pll_periph0_clk.common.hw,
                [CLK_PLL_PERIPH0_2X]    = &pll_periph0_2x_clk.hw,
                [CLK_PLL_PERIPH1]       = &pll_periph1_clk.common.hw,
                [CLK_PLL_PERIPH1_2X]    = &pll_periph1_2x_clk.hw,
                [CLK_PLL_GPU]           = &pll_gpu_clk.common.hw,
                [CLK_PLL_VIDEO0]        = &pll_video0_clk.common.hw,
                [CLK_PLL_VIDEO0_2X]     = &pll_video0_2x_clk.hw,
                [CLK_PLL_VIDEO0_4X]     = &pll_video0_4x_clk.hw,
                [CLK_PLL_VIDEO1]        = &pll_video1_clk.common.hw,
                [CLK_PLL_VIDEO1_2X]     = &pll_video1_2x_clk.hw,
                [CLK_PLL_VIDEO1_4X]     = &pll_video1_4x_clk.hw,
                [CLK_PLL_VIDEO2]        = &pll_video2_clk.common.hw,
                [CLK_PLL_VIDEO2_2X]     = &pll_video2_2x_clk.hw,
                [CLK_PLL_VIDEO2_4X]     = &pll_video2_4x_clk.hw,
                [CLK_PLL_VIDEO3]        = &pll_video3_clk.common.hw,
                [CLK_PLL_VIDEO3_2X]     = &pll_video3_2x_clk.hw,
                [CLK_PLL_VIDEO3_4X]     = &pll_video3_4x_clk.hw,
                [CLK_PLL_VE]            = &pll_ve_clk.common.hw,
                [CLK_PLL_COM]           = &pll_com_clk.common.hw,
                [CLK_PLL_COM_AUDIO]     = &pll_com_audio_clk.hw,
                [CLK_PLL_AUDIO]         = &pll_audio_clk.common.hw,
                [CLK_CPUX]              = &cpux_clk.common.hw,
                [CLK_AXI]               = &axi_clk.common.hw,
                [CLK_CPUX_APB]          = &cpux_apb_clk.common.hw,
                [CLK_PSI_AHB1_AHB2]     = &psi_ahb1_ahb2_clk.common.hw,
                [CLK_AHB3]              = &ahb3_clk.common.hw,
                [CLK_APB1]              = &apb1_clk.common.hw,
                [CLK_APB2]              = &apb2_clk.common.hw,
                [CLK_MBUS]              = &mbus_clk.common.hw,
                [CLK_DE]                = &de_clk.common.hw,
                [CLK_BUS_DE]            = &bus_de_clk.common.hw,
                [CLK_G2D]               = &g2d_clk.common.hw,
                [CLK_BUS_G2D]           = &bus_g2d_clk.common.hw,
                [CLK_GPU]               = &gpu_clk.common.hw,
                [CLK_BUS_GPU]           = &bus_gpu_clk.common.hw,
                [CLK_CE]                = &ce_clk.common.hw,
                [CLK_BUS_CE]            = &bus_ce_clk.common.hw,
                [CLK_VE]                = &ve_clk.common.hw,
                [CLK_BUS_VE]            = &bus_ve_clk.common.hw,
                [CLK_BUS_DMA]           = &bus_dma_clk.common.hw,
                [CLK_BUS_MSGBOX]        = &bus_msgbox_clk.common.hw,
                [CLK_BUS_SPINLOCK]      = &bus_spinlock_clk.common.hw,
                [CLK_BUS_HSTIMER]       = &bus_hstimer_clk.common.hw,
                [CLK_AVS]               = &avs_clk.common.hw,
                [CLK_BUS_DBG]           = &bus_dbg_clk.common.hw,
                [CLK_BUS_PSI]           = &bus_psi_clk.common.hw,
                [CLK_BUS_PWM]           = &bus_pwm_clk.common.hw,
                [CLK_BUS_IOMMU]         = &bus_iommu_clk.common.hw,
                [CLK_MBUS_DMA]          = &mbus_dma_clk.common.hw,
                [CLK_MBUS_VE]           = &mbus_ve_clk.common.hw,
                [CLK_MBUS_CE]           = &mbus_ce_clk.common.hw,
                [CLK_MBUS_NAND]         = &mbus_nand_clk.common.hw,
                [CLK_MBUS_CSI]          = &mbus_csi_clk.common.hw,
                [CLK_MBUS_ISP]          = &mbus_isp_clk.common.hw,
                [CLK_MBUS_G2D]          = &mbus_g2d_clk.common.hw,
                [CLK_BUS_DRAM]          = &bus_dram_clk.common.hw,
                [CLK_NAND0]             = &nand0_clk.common.hw,
                [CLK_NAND1]             = &nand1_clk.common.hw,
                [CLK_BUS_NAND]          = &bus_nand_clk.common.hw,
                [CLK_MMC0]              = &mmc0_clk.common.hw,
                [CLK_MMC1]              = &mmc1_clk.common.hw,
                [CLK_MMC2]              = &mmc2_clk.common.hw,
                [CLK_BUS_MMC0]          = &bus_mmc0_clk.common.hw,
                [CLK_BUS_MMC1]          = &bus_mmc1_clk.common.hw,
                [CLK_BUS_MMC2]          = &bus_mmc2_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_BUS_UART3]         = &bus_uart3_clk.common.hw,
                [CLK_BUS_UART4]         = &bus_uart4_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_I2C3]          = &bus_i2c3_clk.common.hw,
                [CLK_SPI0]              = &spi0_clk.common.hw,
                [CLK_SPI1]              = &spi1_clk.common.hw,
                [CLK_SPI2]              = &spi2_clk.common.hw,
                [CLK_BUS_SPI0]          = &bus_spi0_clk.common.hw,
                [CLK_BUS_SPI1]          = &bus_spi1_clk.common.hw,
                [CLK_BUS_SPI2]          = &bus_spi2_clk.common.hw,
                [CLK_EMAC_25M]          = &emac_25m_clk.common.hw,
                [CLK_BUS_EMAC]          = &bus_emac_clk.common.hw,
                [CLK_IR_RX]             = &ir_rx_clk.common.hw,
                [CLK_BUS_IR_RX]         = &bus_ir_rx_clk.common.hw,
                [CLK_IR_TX]             = &ir_tx_clk.common.hw,
                [CLK_BUS_IR_TX]         = &bus_ir_tx_clk.common.hw,
                [CLK_BUS_GPADC]         = &bus_gpadc_clk.common.hw,
                [CLK_BUS_THS]           = &bus_ths_clk.common.hw,
                [CLK_I2S0]              = &i2s0_clk.common.hw,
                [CLK_I2S1]              = &i2s1_clk.common.hw,
                [CLK_I2S2]              = &i2s2_clk.common.hw,
                [CLK_I2S3]              = &i2s3_clk.common.hw,
                [CLK_BUS_I2S0]          = &bus_i2s0_clk.common.hw,
                [CLK_BUS_I2S1]          = &bus_i2s1_clk.common.hw,
                [CLK_BUS_I2S2]          = &bus_i2s2_clk.common.hw,
                [CLK_BUS_I2S3]          = &bus_i2s3_clk.common.hw,
                [CLK_SPDIF]             = &spdif_clk.common.hw,
                [CLK_BUS_SPDIF]         = &bus_spdif_clk.common.hw,
                [CLK_DMIC]              = &dmic_clk.common.hw,
                [CLK_BUS_DMIC]          = &bus_dmic_clk.common.hw,
                [CLK_AUDIO_DAC]         = &audio_codec_dac_clk.common.hw,
                [CLK_AUDIO_ADC]         = &audio_codec_adc_clk.common.hw,
                [CLK_AUDIO_4X]          = &audio_codec_4x_clk.common.hw,
                [CLK_BUS_AUDIO_CODEC]   = &bus_audio_codec_clk.common.hw,
                [CLK_USB_OHCI0]         = &usb_ohci0_clk.common.hw,
                [CLK_USB_PHY0]          = &usb_phy0_clk.common.hw,
                [CLK_USB_OHCI1]         = &usb_ohci1_clk.common.hw,
                [CLK_USB_PHY1]          = &usb_phy1_clk.common.hw,
                [CLK_BUS_OHCI0]         = &bus_ohci0_clk.common.hw,
                [CLK_BUS_OHCI1]         = &bus_ohci1_clk.common.hw,
                [CLK_BUS_EHCI0]         = &bus_ehci0_clk.common.hw,
                [CLK_BUS_EHCI1]         = &bus_ehci1_clk.common.hw,
                [CLK_BUS_OTG]           = &bus_otg_clk.common.hw,
                [CLK_BUS_LRADC]         = &bus_lradc_clk.common.hw,
                [CLK_BUS_DPSS_TOP0]     = &bus_dpss_top0_clk.common.hw,
                [CLK_BUS_DPSS_TOP1]     = &bus_dpss_top1_clk.common.hw,
                [CLK_MIPI_DSI]          = &mipi_dsi_clk.common.hw,
                [CLK_BUS_MIPI_DSI]      = &bus_mipi_dsi_clk.common.hw,
                [CLK_TCON_LCD]          = &tcon_lcd_clk.common.hw,
                [CLK_BUS_TCON_LCD]      = &bus_tcon_lcd_clk.common.hw,
                [CLK_LEDC]              = &ledc_clk.common.hw,
                [CLK_BUS_LEDC]          = &bus_ledc_clk.common.hw,
                [CLK_CSI_TOP]           = &csi_top_clk.common.hw,
                [CLK_CSI0_MCLK]         = &csi0_mclk_clk.common.hw,
                [CLK_CSI1_MCLK]         = &csi1_mclk_clk.common.hw,
                [CLK_BUS_CSI]           = &bus_csi_clk.common.hw,
                [CLK_CSI_ISP]           = &csi_isp_clk.common.hw,
        },
        .num = CLK_NUMBER,
};

static const struct ccu_reset_map sun50i_a100_ccu_resets[] = {
        [RST_MBUS]              = { 0x540, BIT(30) },

        [RST_BUS_DE]            = { 0x60c, BIT(16) },
        [RST_BUS_G2D]           = { 0x63c, BIT(16) },
        [RST_BUS_GPU]           = { 0x67c, BIT(16) },
        [RST_BUS_CE]            = { 0x68c, BIT(16) },
        [RST_BUS_VE]            = { 0x69c, BIT(16) },
        [RST_BUS_DMA]           = { 0x70c, BIT(16) },
        [RST_BUS_MSGBOX]        = { 0x71c, BIT(16) },
        [RST_BUS_SPINLOCK]      = { 0x72c, BIT(16) },
        [RST_BUS_HSTIMER]       = { 0x73c, BIT(16) },
        [RST_BUS_DBG]           = { 0x78c, BIT(16) },
        [RST_BUS_PSI]           = { 0x79c, BIT(16) },
        [RST_BUS_PWM]           = { 0x7ac, BIT(16) },
        [RST_BUS_DRAM]          = { 0x80c, BIT(16) },
        [RST_BUS_NAND]          = { 0x82c, BIT(16) },
        [RST_BUS_MMC0]          = { 0x84c, BIT(16) },
        [RST_BUS_MMC1]          = { 0x84c, BIT(17) },
        [RST_BUS_MMC2]          = { 0x84c, BIT(18) },
        [RST_BUS_UART0]         = { 0x90c, BIT(16) },
        [RST_BUS_UART1]         = { 0x90c, BIT(17) },
        [RST_BUS_UART2]         = { 0x90c, BIT(18) },
        [RST_BUS_UART3]         = { 0x90c, BIT(19) },
        [RST_BUS_UART4]         = { 0x90c, BIT(20) },
        [RST_BUS_I2C0]          = { 0x91c, BIT(16) },
        [RST_BUS_I2C1]          = { 0x91c, BIT(17) },
        [RST_BUS_I2C2]          = { 0x91c, BIT(18) },
        [RST_BUS_I2C3]          = { 0x91c, BIT(19) },
        [RST_BUS_SPI0]          = { 0x96c, BIT(16) },
        [RST_BUS_SPI1]          = { 0x96c, BIT(17) },
        [RST_BUS_SPI2]          = { 0x96c, BIT(18) },
        [RST_BUS_EMAC]          = { 0x97c, BIT(16) },
        [RST_BUS_IR_RX]         = { 0x99c, BIT(16) },
        [RST_BUS_IR_TX]         = { 0x9cc, BIT(16) },
        [RST_BUS_GPADC]         = { 0x9ec, BIT(16) },
        [RST_BUS_THS]           = { 0x9fc, BIT(16) },
        [RST_BUS_I2S0]          = { 0xa20, BIT(16) },
        [RST_BUS_I2S1]          = { 0xa20, BIT(17) },
        [RST_BUS_I2S2]          = { 0xa20, BIT(18) },
        [RST_BUS_I2S3]          = { 0xa20, BIT(19) },
        [RST_BUS_SPDIF]         = { 0xa2c, BIT(16) },
        [RST_BUS_DMIC]          = { 0xa4c, BIT(16) },
        [RST_BUS_AUDIO_CODEC]   = { 0xa5c, BIT(16) },

        [RST_USB_PHY0]          = { 0xa70, BIT(30) },
        [RST_USB_PHY1]          = { 0xa74, BIT(30) },

        [RST_BUS_OHCI0]         = { 0xa8c, BIT(16) },
        [RST_BUS_OHCI1]         = { 0xa8c, BIT(17) },
        [RST_BUS_EHCI0]         = { 0xa8c, BIT(20) },
        [RST_BUS_EHCI1]         = { 0xa8c, BIT(21) },
        [RST_BUS_OTG]           = { 0xa8c, BIT(24) },

        [RST_BUS_LRADC]         = { 0xa9c, BIT(16) },
        [RST_BUS_DPSS_TOP0]     = { 0xabc, BIT(16) },
        [RST_BUS_DPSS_TOP1]     = { 0xacc, BIT(16) },
        [RST_BUS_MIPI_DSI]      = { 0xb4c, BIT(16) },
        [RST_BUS_TCON_LCD]      = { 0xb7c, BIT(16) },
        [RST_BUS_LVDS]          = { 0xbac, BIT(16) },
        [RST_BUS_LEDC]          = { 0xbfc, BIT(16) },
        [RST_BUS_CSI]           = { 0xc1c, BIT(16) },
        [RST_BUS_CSI_ISP]       = { 0xc2c, BIT(16) },
};

static const struct sunxi_ccu_desc sun50i_a100_ccu_desc = {
        .ccu_clks       = sun50i_a100_ccu_clks,
        .num_ccu_clks   = ARRAY_SIZE(sun50i_a100_ccu_clks),

        .hw_clks        = &sun50i_a100_hw_clks,

        .resets         = sun50i_a100_ccu_resets,
        .num_resets     = ARRAY_SIZE(sun50i_a100_ccu_resets),
};

static const u32 sun50i_a100_pll_regs[] = {
        SUN50I_A100_PLL_CPUX_REG,
        SUN50I_A100_PLL_DDR0_REG,
        SUN50I_A100_PLL_PERIPH0_REG,
        SUN50I_A100_PLL_PERIPH1_REG,
        SUN50I_A100_PLL_GPU_REG,
        SUN50I_A100_PLL_VIDEO0_REG,
        SUN50I_A100_PLL_VIDEO1_REG,
        SUN50I_A100_PLL_VIDEO2_REG,
        SUN50I_A100_PLL_VIDEO3_REG,
        SUN50I_A100_PLL_VE_REG,
        SUN50I_A100_PLL_COM_REG,
        SUN50I_A100_PLL_AUDIO_REG,
};

static const u32 sun50i_a100_pll_video_regs[] = {
        SUN50I_A100_PLL_VIDEO0_REG,
        SUN50I_A100_PLL_VIDEO1_REG,
        SUN50I_A100_PLL_VIDEO2_REG,
        SUN50I_A100_PLL_VIDEO3_REG,
};

static const u32 sun50i_a100_usb2_clk_regs[] = {
        SUN50I_A100_USB0_CLK_REG,
        SUN50I_A100_USB1_CLK_REG,
};

static struct ccu_pll_nb sun50i_a100_pll_cpu_nb = {
        .common = &pll_cpux_clk.common,
        /* copy from pll_cpux_clk */
        .enable = BIT(27),
        .lock   = BIT(28),
};

static struct ccu_mux_nb sun50i_a100_cpu_nb = {
        .common         = &cpux_clk.common,
        .cm             = &cpux_clk.mux,
        .delay_us       = 1,
        .bypass_index   = 4, /* index of pll periph0 */
};

static int sun50i_a100_ccu_probe(struct platform_device *pdev)
{
        void __iomem *reg;
        u32 val;
        int i, ret;

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

        /*
         * Enable lock and enable bits on all PLLs.
         *
         * Due to the current design, multiple PLLs share one power switch,
         * so switching PLL is easy to cause stability problems.
         * When initializing, we enable them by default. When disable,
         * we only turn off the output of PLL.
         */
        for (i = 0; i < ARRAY_SIZE(sun50i_a100_pll_regs); i++) {
                val = readl(reg + sun50i_a100_pll_regs[i]);
                val |= SUN50I_A100_PLL_LOCK_ENABLE | SUN50I_A100_PLL_ENABLE;
                writel(val, reg + sun50i_a100_pll_regs[i]);
        }

        /*
         * In order to pass the EMI certification, the SDM function of
         * the peripheral 1 bus is enabled, and the frequency is still
         * calculated using the previous division factor.
         */
        writel(SUN50I_A100_PLL_PERIPH1_PATTERN0,
               reg + SUN50I_A100_PLL_PERIPH1_PATTERN0_REG);

        val = readl(reg + SUN50I_A100_PLL_PERIPH1_REG);
        val |= SUN50I_A100_PLL_SDM_ENABLE;
        writel(val, reg + SUN50I_A100_PLL_PERIPH1_REG);

        /*
         * Force the output divider of video PLLs to 0.
         *
         * See the comment before pll-video0 definition for the reason.
         */
        for (i = 0; i < ARRAY_SIZE(sun50i_a100_pll_video_regs); i++) {
                val = readl(reg + sun50i_a100_pll_video_regs[i]);
                val &= ~BIT(0);
                writel(val, reg + sun50i_a100_pll_video_regs[i]);
        }

        /*
         * Enforce m1 = 0, m0 = 1 for Audio PLL
         *
         * See the comment before pll-audio definition for the reason.
         */
        val = readl(reg + SUN50I_A100_PLL_AUDIO_REG);
        val &= ~BIT(1);
        val |= BIT(0);
        writel(val, reg + SUN50I_A100_PLL_AUDIO_REG);

        /*
         * Force OHCI 12M clock sources to 00 (12MHz divided from 48MHz)
         *
         * This clock mux is still mysterious, and the code just enforces
         * it to have a valid clock parent.
         */
        for (i = 0; i < ARRAY_SIZE(sun50i_a100_usb2_clk_regs); i++) {
                val = readl(reg + sun50i_a100_usb2_clk_regs[i]);
                val &= ~GENMASK(25, 24);
                writel(val, reg + sun50i_a100_usb2_clk_regs[i]);
        }

        ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a100_ccu_desc);
        if (ret)
                return ret;

        /* Gate then ungate PLL CPU after any rate changes */
        ccu_pll_notifier_register(&sun50i_a100_pll_cpu_nb);

        /* Reparent CPU during PLL CPU rate changes */
        ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
                                  &sun50i_a100_cpu_nb);

        return 0;
}

static const struct of_device_id sun50i_a100_ccu_ids[] = {
        { .compatible = "allwinner,sun50i-a100-ccu" },
        { }
};
MODULE_DEVICE_TABLE(of, sun50i_a100_ccu_ids);

static struct platform_driver sun50i_a100_ccu_driver = {
        .probe  = sun50i_a100_ccu_probe,
        .driver = {
                .name   = "sun50i-a100-ccu",
                .suppress_bind_attrs = true,
                .of_match_table = sun50i_a100_ccu_ids,
        },
};
module_platform_driver(sun50i_a100_ccu_driver);

MODULE_IMPORT_NS("SUNXI_CCU");
MODULE_DESCRIPTION("Support for the Allwinner A100 CCU");
MODULE_LICENSE("GPL");
Linux
