ark1668ed-bsp/linux/drivers/clk/mediatek/clk-mt8167-vdec.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2020 MediaTek Inc.
 * Copyright (c) 2020 BayLibre, SAS
 * Author: James Liao <jamesjj.liao@mediatek.com>
 *         Fabien Parent <fparent@baylibre.com>
 */

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

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

#include <dt-bindings/clock/mt8167-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_CKEN, "vdec_cken", "rg_vdec", 0),
	/* VDEC1 */
	GATE_VDEC1_I(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "smi_mm", 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_mt8167_vdec[] = {
	{ .compatible = "mediatek,mt8167-vdecsys", .data = &vdec_desc },
	{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_vdec);

static struct platform_driver clk_mt8167_vdec_drv = {
	.probe = mtk_clk_simple_probe,
	.remove = mtk_clk_simple_remove,
	.driver = {
		.name = "clk-mt8167-vdecsys",
		.of_match_table = of_match_clk_mt8167_vdec,
	},
};
module_platform_driver(clk_mt8167_vdec_drv);

MODULE_DESCRIPTION("MediaTek MT8167 Video Decoders clocks driver");
MODULE_LICENSE("GPL");