clk-mt8183-venc.c

 1// SPDX-License-Identifier: GPL-2.0
 2//
 3// Copyright (c) 2018 MediaTek Inc.
 4// Author: Weiyi Lu <weiyi.lu@mediatek.com>
 5
 6#include <linux/clk-provider.h>
 7#include <linux/platform_device.h>
 8
 9#include "clk-mtk.h"
10#include "clk-gate.h"
11
12#include <dt-bindings/clock/mt8183-clk.h>
13
14static const struct mtk_gate_regs venc_cg_regs = {
15	.set_ofs = 0x4,
16	.clr_ofs = 0x8,
17	.sta_ofs = 0x0,
18};
19
20#define GATE_VENC_I(_id, _name, _parent, _shift)		\
21	GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift,	\
22		&mtk_clk_gate_ops_setclr_inv)
23
24static const struct mtk_gate venc_clks[] = {
25	GATE_VENC_I(CLK_VENC_LARB, "venc_larb",
26		"mm_sel", 0),
27	GATE_VENC_I(CLK_VENC_VENC, "venc_venc",
28		"mm_sel", 4),
29	GATE_VENC_I(CLK_VENC_JPGENC, "venc_jpgenc",
30		"mm_sel", 8),
31};
32
33static const struct mtk_clk_desc venc_desc = {
34	.clks = venc_clks,
35	.num_clks = ARRAY_SIZE(venc_clks),
36};
37
38static const struct of_device_id of_match_clk_mt8183_venc[] = {
39	{
40		.compatible = "mediatek,mt8183-vencsys",
41		.data = &venc_desc,
42	}, {
43		/* sentinel */
44	}
45};
46MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_venc);
47
48static struct platform_driver clk_mt8183_venc_drv = {
49	.probe = mtk_clk_simple_probe,
50	.remove = mtk_clk_simple_remove,
51	.driver = {
52		.name = "clk-mt8183-venc",
53		.of_match_table = of_match_clk_mt8183_venc,
54	},
55};
56module_platform_driver(clk_mt8183_venc_drv);
57
58MODULE_DESCRIPTION("MediaTek MT8183 Video Encoders clocks driver");
59MODULE_LICENSE("GPL");