linux-zen-server/drivers/clk/mediatek/clk-mt8173-vdecsys.c

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2023-08-30 17:53:23 +02:00
// 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 */ }
};
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");