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

55 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017 MediaTek Inc.
* Author: Kevin 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 venc_cg_regs = {
.set_ofs = 0x0004,
.clr_ofs = 0x0008,
.sta_ofs = 0x0000,
};
#define GATE_VENC(_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(CLK_VENC_0, "venc_0", "mm_sel", 0),
GATE_VENC(CLK_VENC_1, "venc_1", "venc_sel", 4),
GATE_VENC(CLK_VENC_2, "venc_2", "venc_sel", 8),
GATE_VENC(CLK_VENC_3, "venc_3", "venc_sel", 12),
};
static const struct mtk_clk_desc venc_desc = {
.clks = venc_clks,
.num_clks = ARRAY_SIZE(venc_clks),
};
static const struct of_device_id of_match_clk_mt6797_venc[] = {
{
.compatible = "mediatek,mt6797-vencsys",
.data = &venc_desc,
}, {
/* sentinel */
}
};
static struct platform_driver clk_mt6797_venc_drv = {
.probe = mtk_clk_simple_probe,
.remove = mtk_clk_simple_remove,
.driver = {
.name = "clk-mt6797-venc",
.of_match_table = of_match_clk_mt6797_venc,
},
};
builtin_platform_driver(clk_mt6797_venc_drv);