/*
 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/clk-provider.h>
#include <linux/of_address.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-sun50i-a64.h"

static struct ccu_nkmp pll_cpux_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),
	.p		= _SUNXI_CCU_DIV_MAX(16, 2, 4),
	.common		= {
		.reg		= 0x000,
		.hw.init	= CLK_HW_INIT("pll-cpux",
					      "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 SUN50I_A64_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_video0_clk, "pll-video0",
					"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-ddr0",
				    "osc24M", 0x020,
				    8, 5,	/* N */
				    4, 2,	/* K */
				    0, 2,	/* M */
				    BIT(31),	/* gate */
				    BIT(28),	/* lock */
				    CLK_SET_RATE_UNGATE);

static struct ccu_nk pll_periph0_clk = {
	.enable		= BIT(31),
	.lock		= BIT(28),
	.n		= _SUNXI_CCU_MULT(8, 5),
	.k		= _SUNXI_CCU_MULT_MIN(4, 2, 2),
	.fixed_post_div	= 2,
	.common		= {
		.reg		= 0x028,
		.features	= CCU_FEATURE_FIXED_POSTDIV,
		.hw.init	= CLK_HW_INIT("pll-periph0", "osc24M",
					      &ccu_nk_ops, CLK_SET_RATE_UNGATE),
	},
};

static struct ccu_nk pll_periph1_clk = {
	.enable		= BIT(31),
	.lock		= BIT(28),
	.n		= _SUNXI_CCU_MULT(8, 5),
	.k		= _SUNXI_CCU_MULT_MIN(4, 2, 2),
	.fixed_post_div	= 2,
	.common		= {
		.reg		= 0x02c,
		.features	= CCU_FEATURE_FIXED_POSTDIV,
		.hw.init	= CLK_HW_INIT("pll-periph1", "osc24M",
					      &ccu_nk_ops, CLK_SET_RATE_UNGATE),
	},
};

static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video1_clk, "pll-video1",
					"osc24M", 0x030,
					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_gpu_clk, "pll-gpu",
					"osc24M", 0x038,
					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);

/*
 * The output function can be changed to something more complex that
 * we do not handle yet.
 *
 * Hardcode the mode so that we don't fall in that case.
 */
#define SUN50I_A64_PLL_MIPI_REG		0x040

static struct ccu_nkm pll_mipi_clk = {
	/*
	 * The bit 23 and 22 are called "LDO{1,2}_EN" on the SoC's
	 * user manual, and by experiments the PLL doesn't work without
	 * these bits toggled.
	 */
	.enable		= BIT(31) | BIT(23) | BIT(22),
	.lock		= BIT(28),
	.n		= _SUNXI_CCU_MULT(8, 4),
	.k		= _SUNXI_CCU_MULT_MIN(4, 2, 2),
	.m		= _SUNXI_CCU_DIV(0, 4),
	.common		= {
		.reg		= 0x040,
		.hw.init	= CLK_HW_INIT("pll-mipi", "pll-video0",
					      &ccu_nkm_ops, CLK_SET_RATE_UNGATE),
	},
};

static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic",
					"osc24M", 0x044,
					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_de_clk, "pll-de",
					"osc24M", 0x048,
					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_GATE_LOCK(pll_ddr1_clk, "pll-ddr1",
				   "osc24M", 0x04c,
				   8, 7,	/* N */
				   0, 2,	/* M */
				   BIT(31),	/* gate */
				   BIT(28),	/* lock */
				   CLK_SET_RATE_UNGATE);

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

static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);

static const char * const ahb1_parents[] = { "osc32k", "osc24M",
					     "axi", "pll-periph0" };
static const struct ccu_mux_var_prediv ahb1_predivs[] = {
	{ .index = 3, .shift = 6, .width = 2 },
};
static struct ccu_div ahb1_clk = {
	.div		= _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),

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

		.var_predivs	= ahb1_predivs,
		.n_var_predivs	= ARRAY_SIZE(ahb1_predivs),
	},

	.common		= {
		.reg		= 0x054,
		.features	= CCU_FEATURE_VARIABLE_PREDIV,
		.hw.init	= CLK_HW_INIT_PARENTS("ahb1",
						      ahb1_parents,
						      &ccu_div_ops,
						      0),
	},
};

static struct clk_div_table apb1_div_table[] = {
	{ .val = 0, .div = 2 },
	{ .val = 1, .div = 2 },
	{ .val = 2, .div = 4 },
	{ .val = 3, .div = 8 },
	{ /* Sentinel */ },
};
static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
			   0x054, 8, 2, apb1_div_table, 0);

static const char * const apb2_parents[] = { "osc32k", "osc24M",
					     "pll-periph0-2x",
					     "pll-periph0-2x" };
static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
			     0, 5,	/* M */
			     16, 2,	/* P */
			     24, 2,	/* mux */
			     0);

static const char * const ahb2_parents[] = { "ahb1", "pll-periph0" };
static const struct ccu_mux_fixed_prediv ahb2_fixed_predivs[] = {
	{ .index = 1, .div = 2 },
};
static struct ccu_mux ahb2_clk = {
	.mux		= {
		.shift	= 0,
		.width	= 1,
		.fixed_predivs	= ahb2_fixed_predivs,
		.n_predivs	= ARRAY_SIZE(ahb2_fixed_predivs),
	},

	.common		= {
		.reg		= 0x05c,
		.features	= CCU_FEATURE_FIXED_PREDIV,
		.hw.init	= CLK_HW_INIT_PARENTS("ahb2",
						      ahb2_parents,
						      &ccu_mux_ops,
						      0),
	},
};

static SUNXI_CCU_GATE(bus_mipi_dsi_clk,	"bus-mipi-dsi",	"ahb1",
		      0x060, BIT(1), 0);
static SUNXI_CCU_GATE(bus_ce_clk,	"bus-ce",	"ahb1",
		      0x060, BIT(5), 0);
static SUNXI_CCU_GATE(bus_dma_clk,	"bus-dma",	"ahb1",
		      0x060, BIT(6), 0);
static SUNXI_CCU_GATE(bus_mmc0_clk,	"bus-mmc0",	"ahb1",
		      0x060, BIT(8), 0);
static SUNXI_CCU_GATE(bus_mmc1_clk,	"bus-mmc1",	"ahb1",
		      0x060, BIT(9), 0);
static SUNXI_CCU_GATE(bus_mmc2_clk,	"bus-mmc2",	"ahb1",
		      0x060, BIT(10), 0);
static SUNXI_CCU_GATE(bus_nand_clk,	"bus-nand",	"ahb1",
		      0x060, BIT(13), 0);
static SUNXI_CCU_GATE(bus_dram_clk,	"bus-dram",	"ahb1",
		      0x060, BIT(14), 0);
static SUNXI_CCU_GATE(bus_emac_clk,	"bus-emac",	"ahb2",
		      0x060, BIT(17), 0);
static SUNXI_CCU_GATE(bus_ts_clk,	"bus-ts",	"ahb1",
		      0x060, BIT(18), 0);
static SUNXI_CCU_GATE(bus_hstimer_clk,	"bus-hstimer",	"ahb1",
		      0x060, BIT(19), 0);
static SUNXI_CCU_GATE(bus_spi0_clk,	"bus-spi0",	"ahb1",
		      0x060, BIT(20), 0);
static SUNXI_CCU_GATE(bus_spi1_clk,	"bus-spi1",	"ahb1",
		      0x060, BIT(21), 0);
static SUNXI_CCU_GATE(bus_otg_clk,	"bus-otg",	"ahb1",
		      0x060, BIT(23), 0);
static SUNXI_CCU_GATE(bus_ehci0_clk,	"bus-ehci0",	"ahb1",
		      0x060, BIT(24), 0);
static SUNXI_CCU_GATE(bus_ehci1_clk,	"bus-ehci1",	"ahb2",
		      0x060, BIT(25), 0);
static SUNXI_CCU_GATE(bus_ohci0_clk,	"bus-ohci0",	"ahb1",
		      0x060, BIT(28), 0);
static SUNXI_CCU_GATE(bus_ohci1_clk,	"bus-ohci1",	"ahb2",
		      0x060, BIT(29), 0);

static SUNXI_CCU_GATE(bus_ve_clk,	"bus-ve",	"ahb1",
		      0x064, BIT(0), 0);
static SUNXI_CCU_GATE(bus_tcon0_clk,	"bus-tcon0",	"ahb1",
		      0x064, BIT(3), 0);
static SUNXI_CCU_GATE(bus_tcon1_clk,	"bus-tcon1",	"ahb1",
		      0x064, BIT(4), 0);
static SUNXI_CCU_GATE(bus_deinterlace_clk,	"bus-deinterlace",	"ahb1",
		      0x064, BIT(5), 0);
static SUNXI_CCU_GATE(bus_csi_clk,	"bus-csi",	"ahb1",
		      0x064, BIT(8), 0);
static SUNXI_CCU_GATE(bus_hdmi_clk,	"bus-hdmi",	"ahb1",
		      0x064, BIT(11), 0);
static SUNXI_CCU_GATE(bus_de_clk,	"bus-de",	"ahb1",
		      0x064, BIT(12), 0);
static SUNXI_CCU_GATE(bus_gpu_clk,	"bus-gpu",	"ahb1",
		      0x064, BIT(20), 0);
static SUNXI_CCU_GATE(bus_msgbox_clk,	"bus-msgbox",	"ahb1",
		      0x064, BIT(21), 0);
static SUNXI_CCU_GATE(bus_spinlock_clk,	"bus-spinlock",	"ahb1",
		      0x064, BIT(22), 0);

static SUNXI_CCU_GATE(bus_codec_clk,	"bus-codec",	"apb1",
		      0x068, BIT(0), 0);
static SUNXI_CCU_GATE(bus_spdif_clk,	"bus-spdif",	"apb1",
		      0x068, BIT(1), 0);
static SUNXI_CCU_GATE(bus_pio_clk,	"bus-pio",	"apb1",
		      0x068, BIT(5), 0);
static SUNXI_CCU_GATE(bus_ths_clk,	"bus-ths",	"apb1",
		      0x068, BIT(8), 0);
static SUNXI_CCU_GATE(bus_i2s0_clk,	"bus-i2s0",	"apb1",
		      0x068, BIT(12), 0);
static SUNXI_CCU_GATE(bus_i2s1_clk,	"bus-i2s1",	"apb1",
		      0x068, BIT(13), 0);
static SUNXI_CCU_GATE(bus_i2s2_clk,	"bus-i2s2",	"apb1",
		      0x068, BIT(14), 0);

static SUNXI_CCU_GATE(bus_i2c0_clk,	"bus-i2c0",	"apb2",
		      0x06c, BIT(0), 0);
static SUNXI_CCU_GATE(bus_i2c1_clk,	"bus-i2c1",	"apb2",
		      0x06c, BIT(1), 0);
static SUNXI_CCU_GATE(bus_i2c2_clk,	"bus-i2c2",	"apb2",
		      0x06c, BIT(2), 0);
static SUNXI_CCU_GATE(bus_scr_clk,	"bus-scr",	"apb2",
		      0x06c, BIT(5), 0);
static SUNXI_CCU_GATE(bus_uart0_clk,	"bus-uart0",	"apb2",
		      0x06c, BIT(16), 0);
static SUNXI_CCU_GATE(bus_uart1_clk,	"bus-uart1",	"apb2",
		      0x06c, BIT(17), 0);
static SUNXI_CCU_GATE(bus_uart2_clk,	"bus-uart2",	"apb2",
		      0x06c, BIT(18), 0);
static SUNXI_CCU_GATE(bus_uart3_clk,	"bus-uart3",	"apb2",
		      0x06c, BIT(19), 0);
static SUNXI_CCU_GATE(bus_uart4_clk,	"bus-uart4",	"apb2",
		      0x06c, BIT(20), 0);

static SUNXI_CCU_GATE(bus_dbg_clk,	"bus-dbg",	"ahb1",
		      0x070, BIT(7), 0);

static struct clk_div_table ths_div_table[] = {
	{ .val = 0, .div = 1 },
	{ .val = 1, .div = 2 },
	{ .val = 2, .div = 4 },
	{ .val = 3, .div = 6 },
};
static const char * const ths_parents[] = { "osc24M" };
static struct ccu_div ths_clk = {
	.enable	= BIT(31),
	.div	= _SUNXI_CCU_DIV_TABLE(0, 2, ths_div_table),
	.mux	= _SUNXI_CCU_MUX(24, 2),
	.common	= {
		.reg		= 0x074,
		.hw.init	= CLK_HW_INIT_PARENTS("ths",
						      ths_parents,
						      &ccu_div_ops,
						      0),
	},
};

static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0",
						     "pll-periph1" };
static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
				  0, 4,		/* M */
				  16, 2,	/* P */
				  24, 2,	/* mux */
				  BIT(31),	/* gate */
				  0);

/*
 * MMC clocks are the new timing mode (see A83T & H3) variety, but without
 * the mode switch. This means they have a 2x post divider between the clock
 * and the MMC module. This is not documented in the manual, but is taken
 * into consideration when setting the mmc module clocks in the BSP kernel.
 * Without it, MMC performance is degraded.
 *
 * We model it here to be consistent with other SoCs supporting this mode.
 * The alternative would be to add the 2x multiplier when setting the MMC
 * module clock in the MMC driver, just for the A64.
 */
static const char * const mmc_default_parents[] = { "osc24M", "pll-periph0-2x",
						    "pll-periph1-2x" };
static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0",
					  mmc_default_parents, 0x088,
					  0, 4,		/* M */
					  16, 2,	/* P */
					  24, 2,	/* mux */
					  BIT(31),	/* gate */
					  2,		/* post-div */
					  0);

static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1",
					  mmc_default_parents, 0x08c,
					  0, 4,		/* M */
					  16, 2,	/* P */
					  24, 2,	/* mux */
					  BIT(31),	/* gate */
					  2,		/* post-div */
					  0);

static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2",
					  mmc_default_parents, 0x090,
					  0, 4,		/* M */
					  16, 2,	/* P */
					  24, 2,	/* mux */
					  BIT(31),	/* gate */
					  2,		/* post-div */
					  0);

static const char * const ts_parents[] = { "osc24M", "pll-periph0", };
static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098,
				  0, 4,		/* M */
				  16, 2,	/* P */
				  24, 4,	/* mux */
				  BIT(31),	/* gate */
				  0);

static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", mmc_default_parents, 0x09c,
				  0, 4,		/* M */
				  16, 2,	/* P */
				  24, 2,	/* mux */
				  BIT(31),	/* gate */
				  0);

static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
				  0, 4,		/* M */
				  16, 2,	/* P */
				  24, 2,	/* mux */
				  BIT(31),	/* gate */
				  0);

static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
				  0, 4,		/* M */
				  16, 2,	/* P */
				  24, 2,	/* mux */
				  BIT(31),	/* gate */
				  0);

static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
					    "pll-audio-2x", "pll-audio" };
static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
			       0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);

static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
			       0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);

static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
			       0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT);

static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
			     0x0c0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);

static SUNXI_CCU_GATE(usb_phy0_clk,	"usb-phy0",	"osc24M",
		      0x0cc, BIT(8), 0);
static SUNXI_CCU_GATE(usb_phy1_clk,	"usb-phy1",	"osc24M",
		      0x0cc, BIT(9), 0);
static SUNXI_CCU_GATE(usb_hsic_clk,	"usb-hsic",	"pll-hsic",
		      0x0cc, BIT(10), 0);
static SUNXI_CCU_GATE(usb_hsic_12m_clk,	"usb-hsic-12M",	"osc12M",
		      0x0cc, BIT(11), 0);
static SUNXI_CCU_GATE(usb_ohci0_clk,	"usb-ohci0",	"osc12M",
		      0x0cc, BIT(16), 0);
static SUNXI_CCU_GATE(usb_ohci1_clk,	"usb-ohci1",	"usb-ohci0",
		      0x0cc, BIT(17), 0);

static const char * const dram_parents[] = { "pll-ddr0", "pll-ddr1" };
static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents,
			    0x0f4, 0, 4, 20, 2, CLK_IS_CRITICAL);

static SUNXI_CCU_GATE(dram_ve_clk,	"dram-ve",	"dram",
		      0x100, BIT(0), 0);
static SUNXI_CCU_GATE(dram_csi_clk,	"dram-csi",	"dram",
		      0x100, BIT(1), 0);
static SUNXI_CCU_GATE(dram_deinterlace_clk,	"dram-deinterlace",	"dram",
		      0x100, BIT(2), 0);
static SUNXI_CCU_GATE(dram_ts_clk,	"dram-ts",	"dram",
		      0x100, BIT(3), 0);

static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
				 0x104, 0, 4, 24, 3, BIT(31), 0);

static const char * const tcon0_parents[] = { "pll-mipi", "pll-video0-2x" };
static const u8 tcon0_table[] = { 0, 2, };
static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon0_clk, "tcon0", tcon0_parents,
				     tcon0_table, 0x118, 24, 3, BIT(31),
				     CLK_SET_RATE_PARENT);

static const char * const tcon1_parents[] = { "pll-video0", "pll-video1" };
static const u8 tcon1_table[] = { 0, 2, };
static struct ccu_div tcon1_clk = {
	.enable		= BIT(31),
	.div		= _SUNXI_CCU_DIV(0, 4),
	.mux		= _SUNXI_CCU_MUX_TABLE(24, 2, tcon1_table),
	.common		= {
		.reg		= 0x11c,
		.hw.init	= CLK_HW_INIT_PARENTS("tcon1",
						      tcon1_parents,
						      &ccu_div_ops,
						      CLK_SET_RATE_PARENT),
	},
};

static const char * const deinterlace_parents[] = { "pll-periph0", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", deinterlace_parents,
				 0x124, 0, 4, 24, 3, BIT(31), 0);

static SUNXI_CCU_GATE(csi_misc_clk,	"csi-misc",	"osc24M",
		      0x130, BIT(31), 0);

static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
				 0x134, 16, 4, 24, 3, BIT(31), 0);

static const char * const csi_mclk_parents[] = { "osc24M", "pll-video1", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_mclk_clk, "csi-mclk", csi_mclk_parents,
				 0x134, 0, 5, 8, 3, BIT(15), 0);

static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
			     0x13c, 16, 3, BIT(31), 0);

static SUNXI_CCU_GATE(ac_dig_clk,	"ac-dig",	"pll-audio",
		      0x140, BIT(31), CLK_SET_RATE_PARENT);

static SUNXI_CCU_GATE(ac_dig_4x_clk,	"ac-dig-4x",	"pll-audio-4x",
		      0x140, BIT(30), CLK_SET_RATE_PARENT);

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

static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
				 0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT);

static SUNXI_CCU_GATE(hdmi_ddc_clk,	"hdmi-ddc",	"osc24M",
		      0x154, BIT(31), 0);

static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x",
						 "pll-ddr0", "pll-ddr1" };
static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
				 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);

static const char * const dsi_dphy_parents[] = { "pll-video0", "pll-periph0" };
static const u8 dsi_dphy_table[] = { 0, 2, };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
				       dsi_dphy_parents, dsi_dphy_table,
				       0x168, 0, 4, 8, 2, BIT(15), CLK_SET_RATE_PARENT);

static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
			     0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);

/* Fixed Factor clocks */
static CLK_FIXED_FACTOR(osc12M_clk, "osc12M", "osc24M", 2, 1, 0);

/* We hardcode the divider to 4 for now */
static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio",
			"pll-audio-base", 4, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x",
			"pll-audio-base", 2, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x",
			"pll-audio-base", 1, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_audio_8x_clk, "pll-audio-8x",
			"pll-audio-base", 1, 2, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_periph0_2x_clk, "pll-periph0-2x",
			"pll-periph0", 1, 2, 0);
static CLK_FIXED_FACTOR(pll_periph1_2x_clk, "pll-periph1-2x",
			"pll-periph1", 1, 2, 0);
static CLK_FIXED_FACTOR(pll_video0_2x_clk, "pll-video0-2x",
			"pll-video0", 1, 2, CLK_SET_RATE_PARENT);

static struct ccu_common *sun50i_a64_ccu_clks[] = {
	&pll_cpux_clk.common,
	&pll_audio_base_clk.common,
	&pll_video0_clk.common,
	&pll_ve_clk.common,
	&pll_ddr0_clk.common,
	&pll_periph0_clk.common,
	&pll_periph1_clk.common,
	&pll_video1_clk.common,
	&pll_gpu_clk.common,
	&pll_mipi_clk.common,
	&pll_hsic_clk.common,
	&pll_de_clk.common,
	&pll_ddr1_clk.common,
	&cpux_clk.common,
	&axi_clk.common,
	&ahb1_clk.common,
	&apb1_clk.common,
	&apb2_clk.common,
	&ahb2_clk.common,
	&bus_mipi_dsi_clk.common,
	&bus_ce_clk.common,
	&bus_dma_clk.common,
	&bus_mmc0_clk.common,
	&bus_mmc1_clk.common,
	&bus_mmc2_clk.common,
	&bus_nand_clk.common,
	&bus_dram_clk.common,
	&bus_emac_clk.common,
	&bus_ts_clk.common,
	&bus_hstimer_clk.common,
	&bus_spi0_clk.common,
	&bus_spi1_clk.common,
	&bus_otg_clk.common,
	&bus_ehci0_clk.common,
	&bus_ehci1_clk.common,
	&bus_ohci0_clk.common,
	&bus_ohci1_clk.common,
	&bus_ve_clk.common,
	&bus_tcon0_clk.common,
	&bus_tcon1_clk.common,
	&bus_deinterlace_clk.common,
	&bus_csi_clk.common,
	&bus_hdmi_clk.common,
	&bus_de_clk.common,
	&bus_gpu_clk.common,
	&bus_msgbox_clk.common,
	&bus_spinlock_clk.common,
	&bus_codec_clk.common,
	&bus_spdif_clk.common,
	&bus_pio_clk.common,
	&bus_ths_clk.common,
	&bus_i2s0_clk.common,
	&bus_i2s1_clk.common,
	&bus_i2s2_clk.common,
	&bus_i2c0_clk.common,
	&bus_i2c1_clk.common,
	&bus_i2c2_clk.common,
	&bus_scr_clk.common,
	&bus_uart0_clk.common,
	&bus_uart1_clk.common,
	&bus_uart2_clk.common,
	&bus_uart3_clk.common,
	&bus_uart4_clk.common,
	&bus_dbg_clk.common,
	&ths_clk.common,
	&nand_clk.common,
	&mmc0_clk.common,
	&mmc1_clk.common,
	&mmc2_clk.common,
	&ts_clk.common,
	&ce_clk.common,
	&spi0_clk.common,
	&spi1_clk.common,
	&i2s0_clk.common,
	&i2s1_clk.common,
	&i2s2_clk.common,
	&spdif_clk.common,
	&usb_phy0_clk.common,
	&usb_phy1_clk.common,
	&usb_hsic_clk.common,
	&usb_hsic_12m_clk.common,
	&usb_ohci0_clk.common,
	&usb_ohci1_clk.common,
	&dram_clk.common,
	&dram_ve_clk.common,
	&dram_csi_clk.common,
	&dram_deinterlace_clk.common,
	&dram_ts_clk.common,
	&de_clk.common,
	&tcon0_clk.common,
	&tcon1_clk.common,
	&deinterlace_clk.common,
	&csi_misc_clk.common,
	&csi_sclk_clk.common,
	&csi_mclk_clk.common,
	&ve_clk.common,
	&ac_dig_clk.common,
	&ac_dig_4x_clk.common,
	&avs_clk.common,
	&hdmi_clk.common,
	&hdmi_ddc_clk.common,
	&mbus_clk.common,
	&dsi_dphy_clk.common,
	&gpu_clk.common,
};

static struct clk_hw_onecell_data sun50i_a64_hw_clks = {
	.hws	= {
		[CLK_OSC_12M]		= &osc12M_clk.hw,
		[CLK_PLL_CPUX]		= &pll_cpux_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_VIDEO0]	= &pll_video0_clk.common.hw,
		[CLK_PLL_VIDEO0_2X]	= &pll_video0_2x_clk.hw,
		[CLK_PLL_VE]		= &pll_ve_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_VIDEO1]	= &pll_video1_clk.common.hw,
		[CLK_PLL_GPU]		= &pll_gpu_clk.common.hw,
		[CLK_PLL_MIPI]  	= &pll_mipi_clk.common.hw,
		[CLK_PLL_HSIC]		= &pll_hsic_clk.common.hw,
		[CLK_PLL_DE]		= &pll_de_clk.common.hw,
		[CLK_PLL_DDR1]		= &pll_ddr1_clk.common.hw,
		[CLK_CPUX]		= &cpux_clk.common.hw,
		[CLK_AXI]		= &axi_clk.common.hw,
		[CLK_AHB1]		= &ahb1_clk.common.hw,
		[CLK_APB1]		= &apb1_clk.common.hw,
		[CLK_APB2]		= &apb2_clk.common.hw,
		[CLK_AHB2]		= &ahb2_clk.common.hw,
		[CLK_BUS_MIPI_DSI]	= &bus_mipi_dsi_clk.common.hw,
		[CLK_BUS_CE]		= &bus_ce_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_MMC2]		= &bus_mmc2_clk.common.hw,
		[CLK_BUS_NAND]		= &bus_nand_clk.common.hw,
		[CLK_BUS_DRAM]		= &bus_dram_clk.common.hw,
		[CLK_BUS_EMAC]		= &bus_emac_clk.common.hw,
		[CLK_BUS_TS]		= &bus_ts_clk.common.hw,
		[CLK_BUS_HSTIMER]	= &bus_hstimer_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_EHCI0]		= &bus_ehci0_clk.common.hw,
		[CLK_BUS_EHCI1]		= &bus_ehci1_clk.common.hw,
		[CLK_BUS_OHCI0]		= &bus_ohci0_clk.common.hw,
		[CLK_BUS_OHCI1]		= &bus_ohci1_clk.common.hw,
		[CLK_BUS_VE]		= &bus_ve_clk.common.hw,
		[CLK_BUS_TCON0]		= &bus_tcon0_clk.common.hw,
		[CLK_BUS_TCON1]		= &bus_tcon1_clk.common.hw,
		[CLK_BUS_DEINTERLACE]	= &bus_deinterlace_clk.common.hw,
		[CLK_BUS_CSI]		= &bus_csi_clk.common.hw,
		[CLK_BUS_HDMI]		= &bus_hdmi_clk.common.hw,
		[CLK_BUS_DE]		= &bus_de_clk.common.hw,
		[CLK_BUS_GPU]		= &bus_gpu_clk.common.hw,
		[CLK_BUS_MSGBOX]	= &bus_msgbox_clk.common.hw,
		[CLK_BUS_SPINLOCK]	= &bus_spinlock_clk.common.hw,
		[CLK_BUS_CODEC]		= &bus_codec_clk.common.hw,
		[CLK_BUS_SPDIF]		= &bus_spdif_clk.common.hw,
		[CLK_BUS_PIO]		= &bus_pio_clk.common.hw,
		[CLK_BUS_THS]		= &bus_ths_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_I2C0]		= &bus_i2c0_clk.common.hw,
		[CLK_BUS_I2C1]		= &bus_i2c1_clk.common.hw,
		[CLK_BUS_I2C2]		= &bus_i2c2_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_SCR]		= &bus_scr_clk.common.hw,
		[CLK_BUS_DBG]		= &bus_dbg_clk.common.hw,
		[CLK_THS]		= &ths_clk.common.hw,
		[CLK_NAND]		= &nand_clk.common.hw,
		[CLK_MMC0]		= &mmc0_clk.common.hw,
		[CLK_MMC1]		= &mmc1_clk.common.hw,
		[CLK_MMC2]		= &mmc2_clk.common.hw,
		[CLK_TS]		= &ts_clk.common.hw,
		[CLK_CE]		= &ce_clk.common.hw,
		[CLK_SPI0]		= &spi0_clk.common.hw,
		[CLK_SPI1]		= &spi1_clk.common.hw,
		[CLK_I2S0]		= &i2s0_clk.common.hw,
		[CLK_I2S1]		= &i2s1_clk.common.hw,
		[CLK_I2S2]		= &i2s2_clk.common.hw,
		[CLK_SPDIF]		= &spdif_clk.common.hw,
		[CLK_USB_PHY0]		= &usb_phy0_clk.common.hw,
		[CLK_USB_PHY1]		= &usb_phy1_clk.common.hw,
		[CLK_USB_HSIC]		= &usb_hsic_clk.common.hw,
		[CLK_USB_HSIC_12M]	= &usb_hsic_12m_clk.common.hw,
		[CLK_USB_OHCI0]		= &usb_ohci0_clk.common.hw,
		[CLK_USB_OHCI1]		= &usb_ohci1_clk.common.hw,
		[CLK_DRAM]		= &dram_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_TS]		= &dram_ts_clk.common.hw,
		[CLK_DE]		= &de_clk.common.hw,
		[CLK_TCON0]		= &tcon0_clk.common.hw,
		[CLK_TCON1]		= &tcon1_clk.common.hw,
		[CLK_DEINTERLACE]	= &deinterlace_clk.common.hw,
		[CLK_CSI_MISC]		= &csi_misc_clk.common.hw,
		[CLK_CSI_SCLK]		= &csi_sclk_clk.common.hw,
		[CLK_CSI_MCLK]		= &csi_mclk_clk.common.hw,
		[CLK_VE]		= &ve_clk.common.hw,
		[CLK_AC_DIG]		= &ac_dig_clk.common.hw,
		[CLK_AC_DIG_4X]		= &ac_dig_4x_clk.common.hw,
		[CLK_AVS]		= &avs_clk.common.hw,
		[CLK_HDMI]		= &hdmi_clk.common.hw,
		[CLK_HDMI_DDC]		= &hdmi_ddc_clk.common.hw,
		[CLK_MBUS]		= &mbus_clk.common.hw,
		[CLK_DSI_DPHY]		= &dsi_dphy_clk.common.hw,
		[CLK_GPU]		= &gpu_clk.common.hw,
	},
	.num	= CLK_NUMBER,
};

static struct ccu_reset_map sun50i_a64_ccu_resets[] = {
	[RST_USB_PHY0]		=  { 0x0cc, BIT(0) },
	[RST_USB_PHY1]		=  { 0x0cc, BIT(1) },
	[RST_USB_HSIC]		=  { 0x0cc, BIT(2) },

	[RST_DRAM]		=  { 0x0f4, BIT(31) },
	[RST_MBUS]		=  { 0x0fc, BIT(31) },

	[RST_BUS_MIPI_DSI]	=  { 0x2c0, BIT(1) },
	[RST_BUS_CE]		=  { 0x2c0, BIT(5) },
	[RST_BUS_DMA]		=  { 0x2c0, BIT(6) },
	[RST_BUS_MMC0]		=  { 0x2c0, BIT(8) },
	[RST_BUS_MMC1]		=  { 0x2c0, BIT(9) },
	[RST_BUS_MMC2]		=  { 0x2c0, BIT(10) },
	[RST_BUS_NAND]		=  { 0x2c0, BIT(13) },
	[RST_BUS_DRAM]		=  { 0x2c0, BIT(14) },
	[RST_BUS_EMAC]		=  { 0x2c0, BIT(17) },
	[RST_BUS_TS]		=  { 0x2c0, BIT(18) },
	[RST_BUS_HSTIMER]	=  { 0x2c0, BIT(19) },
	[RST_BUS_SPI0]		=  { 0x2c0, BIT(20) },
	[RST_BUS_SPI1]		=  { 0x2c0, BIT(21) },
	[RST_BUS_OTG]		=  { 0x2c0, BIT(23) },
	[RST_BUS_EHCI0]		=  { 0x2c0, BIT(24) },
	[RST_BUS_EHCI1]		=  { 0x2c0, BIT(25) },
	[RST_BUS_OHCI0]		=  { 0x2c0, BIT(28) },
	[RST_BUS_OHCI1]		=  { 0x2c0, BIT(29) },

	[RST_BUS_VE]		=  { 0x2c4, BIT(0) },
	[RST_BUS_TCON0]		=  { 0x2c4, BIT(3) },
	[RST_BUS_TCON1]		=  { 0x2c4, BIT(4) },
	[RST_BUS_DEINTERLACE]	=  { 0x2c4, BIT(5) },
	[RST_BUS_CSI]		=  { 0x2c4, BIT(8) },
	[RST_BUS_HDMI0]		=  { 0x2c4, BIT(10) },
	[RST_BUS_HDMI1]		=  { 0x2c4, BIT(11) },
	[RST_BUS_DE]		=  { 0x2c4, BIT(12) },
	[RST_BUS_GPU]		=  { 0x2c4, BIT(20) },
	[RST_BUS_MSGBOX]	=  { 0x2c4, BIT(21) },
	[RST_BUS_SPINLOCK]	=  { 0x2c4, BIT(22) },
	[RST_BUS_DBG]		=  { 0x2c4, BIT(31) },

	[RST_BUS_LVDS]		=  { 0x2c8, BIT(0) },

	[RST_BUS_CODEC]		=  { 0x2d0, BIT(0) },
	[RST_BUS_SPDIF]		=  { 0x2d0, BIT(1) },
	[RST_BUS_THS]		=  { 0x2d0, BIT(8) },
	[RST_BUS_I2S0]		=  { 0x2d0, BIT(12) },
	[RST_BUS_I2S1]		=  { 0x2d0, BIT(13) },
	[RST_BUS_I2S2]		=  { 0x2d0, BIT(14) },

	[RST_BUS_I2C0]		=  { 0x2d8, BIT(0) },
	[RST_BUS_I2C1]		=  { 0x2d8, BIT(1) },
	[RST_BUS_I2C2]		=  { 0x2d8, BIT(2) },
	[RST_BUS_SCR]		=  { 0x2d8, BIT(5) },
	[RST_BUS_UART0]		=  { 0x2d8, BIT(16) },
	[RST_BUS_UART1]		=  { 0x2d8, BIT(17) },
	[RST_BUS_UART2]		=  { 0x2d8, BIT(18) },
	[RST_BUS_UART3]		=  { 0x2d8, BIT(19) },
	[RST_BUS_UART4]		=  { 0x2d8, BIT(20) },
};

static const struct sunxi_ccu_desc sun50i_a64_ccu_desc = {
	.ccu_clks	= sun50i_a64_ccu_clks,
	.num_ccu_clks	= ARRAY_SIZE(sun50i_a64_ccu_clks),

	.hw_clks	= &sun50i_a64_hw_clks,

	.resets		= sun50i_a64_ccu_resets,
	.num_resets	= ARRAY_SIZE(sun50i_a64_ccu_resets),
};

static struct ccu_pll_nb sun50i_a64_pll_cpu_nb = {
	.common	= &pll_cpux_clk.common,
	/* copy from pll_cpux_clk */
	.enable	= BIT(31),
	.lock	= BIT(28),
};

static struct ccu_mux_nb sun50i_a64_cpu_nb = {
	.common		= &cpux_clk.common,
	.cm		= &cpux_clk.mux,
	.delay_us	= 1, /* > 8 clock cycles at 24 MHz */
	.bypass_index	= 1, /* index of 24 MHz oscillator */
};

static int sun50i_a64_ccu_probe(struct platform_device *pdev)
{
	struct resource *res;
	void __iomem *reg;
	u32 val;
	int ret;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	reg = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(reg))
		return PTR_ERR(reg);

	/* Force the PLL-Audio-1x divider to 4 */
	val = readl(reg + SUN50I_A64_PLL_AUDIO_REG);
	val &= ~GENMASK(19, 16);
	writel(val | (3 << 16), reg + SUN50I_A64_PLL_AUDIO_REG);

	writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG);

	ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a64_ccu_desc);
	if (ret)
		return ret;

	/* Gate then ungate PLL CPU after any rate changes */
	ccu_pll_notifier_register(&sun50i_a64_pll_cpu_nb);

	/* Reparent CPU during PLL CPU rate changes */
	ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
				  &sun50i_a64_cpu_nb);

	return 0;
}

static const struct of_device_id sun50i_a64_ccu_ids[] = {
	{ .compatible = "allwinner,sun50i-a64-ccu" },
	{ }
};

static struct platform_driver sun50i_a64_ccu_driver = {
	.probe	= sun50i_a64_ccu_probe,
	.driver	= {
		.name	= "sun50i-a64-ccu",
		.of_match_table	= sun50i_a64_ccu_ids,
	},
};
builtin_platform_driver(sun50i_a64_ccu_driver);