clk-mt2701-vdec.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (c) 2014 MediaTek Inc.
 4 * Author: Shunli Wang <shunli.wang@mediatek.com>
 5 */
 6
 7#include <linux/clk-provider.h>
 8#include <linux/platform_device.h>
 9
10#include "clk-mtk.h"
11#include "clk-gate.h"
12
13#include <dt-bindings/clock/mt2701-clk.h>
14
15static const struct mtk_gate_regs vdec0_cg_regs = {
16	.set_ofs = 0x0000,
17	.clr_ofs = 0x0004,
18	.sta_ofs = 0x0000,
19};
20
21static const struct mtk_gate_regs vdec1_cg_regs = {
22	.set_ofs = 0x0008,
23	.clr_ofs = 0x000c,
24	.sta_ofs = 0x0008,
25};
26
27#define GATE_VDEC0(_id, _name, _parent, _shift)				\
28	GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
29
30#define GATE_VDEC1(_id, _name, _parent, _shift)				\
31	GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
32
33static const struct mtk_gate vdec_clks[] = {
34	GATE_DUMMY(CLK_DUMMY, "vdec_dummy"),
35	GATE_VDEC0(CLK_VDEC_CKGEN, "vdec_cken", "vdec_sel", 0),
36	GATE_VDEC1(CLK_VDEC_LARB, "vdec_larb_cken", "mm_sel", 0),
37};
38
39static const struct mtk_clk_desc vdec_desc = {
40	.clks = vdec_clks,
41	.num_clks = ARRAY_SIZE(vdec_clks),
42};
43
44static const struct of_device_id of_match_clk_mt2701_vdec[] = {
45	{
46		.compatible = "mediatek,mt2701-vdecsys",
47		.data = &vdec_desc,
48	}, {
49		/* sentinel */
50	}
51};
52MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_vdec);
53
54static struct platform_driver clk_mt2701_vdec_drv = {
55	.probe = mtk_clk_simple_probe,
56	.remove = mtk_clk_simple_remove,
57	.driver = {
58		.name = "clk-mt2701-vdec",
59		.of_match_table = of_match_clk_mt2701_vdec,
60	},
61};
62module_platform_driver(clk_mt2701_vdec_drv);
63
64MODULE_DESCRIPTION("MediaTek MT2701 Video Decoders clocks driver");
65MODULE_LICENSE("GPL");