linux/linux-5.18.11/drivers/clk/mediatek/clk-mt8183-venc.c

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2024-03-22 18:12:32 +00:00
// 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 venc_cg_regs = {
.set_ofs = 0x4,
.clr_ofs = 0x8,
.sta_ofs = 0x0,
};
#define GATE_VENC_I(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, \
&mtk_clk_gate_ops_setclr_inv)
static const struct mtk_gate venc_clks[] = {
GATE_VENC_I(CLK_VENC_LARB, "venc_larb",
"mm_sel", 0),
GATE_VENC_I(CLK_VENC_VENC, "venc_venc",
"mm_sel", 4),
GATE_VENC_I(CLK_VENC_JPGENC, "venc_jpgenc",
"mm_sel", 8),
};
static int clk_mt8183_venc_probe(struct platform_device *pdev)
{
struct clk_onecell_data *clk_data;
struct device_node *node = pdev->dev.of_node;
clk_data = mtk_alloc_clk_data(CLK_VENC_NR_CLK);
mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_clks),
clk_data);
return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
}
static const struct of_device_id of_match_clk_mt8183_venc[] = {
{ .compatible = "mediatek,mt8183-vencsys", },
{}
};
static struct platform_driver clk_mt8183_venc_drv = {
.probe = clk_mt8183_venc_probe,
.driver = {
.name = "clk-mt8183-venc",
.of_match_table = of_match_clk_mt8183_venc,
},
};
builtin_platform_driver(clk_mt8183_venc_drv);