// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2014 MediaTek Inc.
 * Copyright (c) 2022 Collabora Ltd.
 * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 */

#include <dt-bindings/clock/mt8173-clk.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include "clk-gate.h"
#include "clk-mtk.h"

#define GATE_VDEC(_id, _name, _parent, _regs)                   \
                GATE_MTK(_id, _name, _parent, _regs, 0,         \
                         &mtk_clk_gate_ops_setclr_inv)

static const struct mtk_gate_regs vdec0_cg_regs = {
        .set_ofs = 0x0000,
        .clr_ofs = 0x0004,
        .sta_ofs = 0x0000,
};

static const struct mtk_gate_regs vdec1_cg_regs = {
        .set_ofs = 0x0008,
        .clr_ofs = 0x000c,
        .sta_ofs = 0x0008,
};

static const struct mtk_gate vdec_clks[] = {
        GATE_DUMMY(CLK_DUMMY, "vdec_dummy"),
        GATE_VDEC(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", &vdec0_cg_regs),
        GATE_VDEC(CLK_VDEC_LARB_CKEN, "vdec_larb_cken", "mm_sel", &vdec1_cg_regs),
};

static const struct mtk_clk_desc vdec_desc = {
        .clks = vdec_clks,
        .num_clks = ARRAY_SIZE(vdec_clks),
};

static const struct of_device_id of_match_clk_mt8173_vdecsys[] = {
        { .compatible = "mediatek,mt8173-vdecsys", .data = &vdec_desc },
        { /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8173_vdecsys);

static struct platform_driver clk_mt8173_vdecsys_drv = {
        .probe = mtk_clk_simple_probe,
        .remove = mtk_clk_simple_remove,
        .driver = {
                .name = "clk-mt8173-vdecsys",
                .of_match_table = of_match_clk_mt8173_vdecsys,
        },
};
module_platform_driver(clk_mt8173_vdecsys_drv);

MODULE_DESCRIPTION("MediaTek MT8173 vdecsys clocks driver");
MODULE_LICENSE("GPL");