1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2017 MediaTek Inc.
4 * Author: Weiyi Lu <weiyi.lu@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/mt2712-clk.h>
14
15static const struct mtk_gate_regs jpgdec_cg_regs = {
16	.set_ofs = 0x4,
17	.clr_ofs = 0x8,
18	.sta_ofs = 0x0,
19};
20
21#define GATE_JPGDEC(_id, _name, _parent, _shift) {	\
22		.id = _id,				\
23		.name = _name,				\
24		.parent_name = _parent,			\
25		.regs = &jpgdec_cg_regs,			\
26		.shift = _shift,			\
27		.ops = &mtk_clk_gate_ops_setclr_inv,	\
28	}
29
30static const struct mtk_gate jpgdec_clks[] = {
31	GATE_JPGDEC(CLK_JPGDEC_JPGDEC1, "jpgdec_jpgdec1", "jpgdec_sel", 0),
32	GATE_JPGDEC(CLK_JPGDEC_JPGDEC, "jpgdec_jpgdec", "jpgdec_sel", 4),
33};
34
35static int clk_mt2712_jpgdec_probe(struct platform_device *pdev)
36{
37	struct clk_onecell_data *clk_data;
38	int r;
39	struct device_node *node = pdev->dev.of_node;
40
41	clk_data = mtk_alloc_clk_data(CLK_JPGDEC_NR_CLK);
42
43	mtk_clk_register_gates(node, jpgdec_clks, ARRAY_SIZE(jpgdec_clks),
44			clk_data);
45
46	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
47
48	if (r != 0)
49		pr_err("%s(): could not register clock provider: %d\n",
50			__func__, r);
51
52	return r;
53}
54
55static const struct of_device_id of_match_clk_mt2712_jpgdec[] = {
56	{ .compatible = "mediatek,mt2712-jpgdecsys", },
57	{}
58};
59
60static struct platform_driver clk_mt2712_jpgdec_drv = {
61	.probe = clk_mt2712_jpgdec_probe,
62	.driver = {
63		.name = "clk-mt2712-jpgdec",
64		.of_match_table = of_match_clk_mt2712_jpgdec,
65	},
66};
67
68builtin_platform_driver(clk_mt2712_jpgdec_drv);
69