linuxdebug/drivers/clk/mediatek/clk-mt6797-vdec.c

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2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017 MediaTek Inc.
* Author: Kevin-CW Chen <kevin-cw.chen@mediatek.com>
*/
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include "clk-mtk.h"
#include "clk-gate.h"
#include <dt-bindings/clock/mt6797-clk.h>
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,
};
#define GATE_VDEC0(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
#define GATE_VDEC1(_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[] = {
GATE_VDEC0(CLK_VDEC_CKEN_ENG, "vdec_cken_eng", "vdec_sel", 8),
GATE_VDEC0(CLK_VDEC_ACTIVE, "vdec_active", "vdec_sel", 4),
GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0),
GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "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_mt6797_vdec[] = {
{
.compatible = "mediatek,mt6797-vdecsys",
.data = &vdec_desc,
}, {
/* sentinel */
}
};
static struct platform_driver clk_mt6797_vdec_drv = {
.probe = mtk_clk_simple_probe,
.remove = mtk_clk_simple_remove,
.driver = {
.name = "clk-mt6797-vdec",
.of_match_table = of_match_clk_mt6797_vdec,
},
};
builtin_platform_driver(clk_mt6797_vdec_drv);