// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) Samuel Holland <samuel@sholland.org>
 */

#include <clk-uclass.h>
#include <dm.h>
#include <clk/sunxi.h>
#include <dt-bindings/clock/sun50i-h6-r-ccu.h>
#include <dt-bindings/reset/sun50i-h6-r-ccu.h>
#include <linux/bitops.h>

static struct ccu_clk_gate h6_r_gates[] = {
	[CLK_R_APB1]		= GATE_DUMMY,

	[CLK_R_APB1_TIMER]	= GATE(0x11c, BIT(0)),
	[CLK_R_APB1_TWD]	= GATE(0x12c, BIT(0)),
	[CLK_R_APB1_PWM]	= GATE(0x13c, BIT(0)),
	[CLK_R_APB2_UART]	= GATE(0x18c, BIT(0)),
	[CLK_R_APB2_I2C]	= GATE(0x19c, BIT(0)),
	[CLK_R_APB2_RSB]	= GATE(0x1bc, BIT(0)),
	[CLK_R_APB1_IR]		= GATE(0x1cc, BIT(0)),
	[CLK_R_APB1_W1]		= GATE(0x1ec, BIT(0)),
};

static struct ccu_reset h6_r_resets[] = {
	[RST_R_APB1_TIMER]	= RESET(0x11c, BIT(16)),
	[RST_R_APB1_TWD]	= RESET(0x12c, BIT(16)),
	[RST_R_APB1_PWM]	= RESET(0x13c, BIT(16)),
	[RST_R_APB2_UART]	= RESET(0x18c, BIT(16)),
	[RST_R_APB2_I2C]	= RESET(0x19c, BIT(16)),
	[RST_R_APB2_RSB]	= RESET(0x1bc, BIT(16)),
	[RST_R_APB1_IR]		= RESET(0x1cc, BIT(16)),
	[RST_R_APB1_W1]		= RESET(0x1ec, BIT(16)),
};

static const struct ccu_desc h6_r_ccu_desc = {
	.gates = h6_r_gates,
	.resets = h6_r_resets,
};

static int h6_r_clk_bind(struct udevice *dev)
{
	return sunxi_reset_bind(dev, ARRAY_SIZE(h6_r_resets));
}

static const struct udevice_id h6_r_clk_ids[] = {
	{ .compatible = "allwinner,sun50i-h6-r-ccu",
	  .data = (ulong)&h6_r_ccu_desc },
	{ .compatible = "allwinner,sun50i-h616-r-ccu",
	  .data = (ulong)&h6_r_ccu_desc },
	{ }
};

U_BOOT_DRIVER(clk_sun50i_h6_r) = {
	.name		= "sun50i_h6_r_ccu",
	.id		= UCLASS_CLK,
	.of_match	= h6_r_clk_ids,
	.priv_auto	= sizeof(struct ccu_priv),
	.ops		= &sunxi_clk_ops,
	.probe		= sunxi_clk_probe,
	.bind		= h6_r_clk_bind,
};