xref: /linux/drivers/clk/mediatek/clk-mt8183-vdec.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2018 MediaTek Inc.
// Author: Weiyi Lu <weiyi.lu@mediatek.com>

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

#include "clk-mtk.h"
#include "clk-gate.h"

#include <dt-bindings/clock/mt8183-clk.h>

static const struct mtk_gate_regs vdec0_cg_regs = {
	.set_ofs = 0x0,
	.clr_ofs = 0x4,
	.sta_ofs = 0x0,
};

static const struct mtk_gate_regs vdec1_cg_regs = {
	.set_ofs = 0x8,
	.clr_ofs = 0xc,
	.sta_ofs = 0x8,
};

#define GATE_VDEC0_I(_id, _name, _parent, _shift)		\
	GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift,	\
		&mtk_clk_gate_ops_setclr_inv)

#define GATE_VDEC1_I(_id, _name, _parent, _shift)		\
	GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift,	\
		&mtk_clk_gate_ops_setclr_inv)

static const struct mtk_gate vdec_clks[] = {
	/* VDEC0 */
	GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_vdec", "mm_sel", 0),
	/* VDEC1 */
	GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1", "mm_sel", 0),
};

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_mt8183_vdec[] = {
	{
		.compatible = "mediatek,mt8183-vdecsys",
		.data = &vdec_desc,
	}, {
		/* sentinel */
	}
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_vdec);

static struct platform_driver clk_mt8183_vdec_drv = {
	.probe = mtk_clk_simple_probe,
	.remove = mtk_clk_simple_remove,
	.driver = {
		.name = "clk-mt8183-vdec",
		.of_match_table = of_match_clk_mt8183_vdec,
	},
};
module_platform_driver(clk_mt8183_vdec_drv);

MODULE_DESCRIPTION("MediaTek MT8183 Video Decoders clocks driver");
MODULE_LICENSE("GPL");