xref: /linux/drivers/clk/mediatek/clk-mt2712-jpgdec.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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 
15 static 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 	GATE_MTK(_id, _name, _parent, &jpgdec_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
23 
24 static const struct mtk_gate jpgdec_clks[] = {
25 	GATE_JPGDEC(CLK_JPGDEC_JPGDEC1, "jpgdec_jpgdec1", "jpgdec_sel", 0),
26 	GATE_JPGDEC(CLK_JPGDEC_JPGDEC, "jpgdec_jpgdec", "jpgdec_sel", 4),
27 };
28 
29 static const struct mtk_clk_desc jpgdec_desc = {
30 	.clks = jpgdec_clks,
31 	.num_clks = ARRAY_SIZE(jpgdec_clks),
32 };
33 
34 static const struct of_device_id of_match_clk_mt2712_jpgdec[] = {
35 	{
36 		.compatible = "mediatek,mt2712-jpgdecsys",
37 		.data = &jpgdec_desc,
38 	}, {
39 		/* sentinel */
40 	}
41 };
42 MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_jpgdec);
43 
44 static struct platform_driver clk_mt2712_jpgdec_drv = {
45 	.probe = mtk_clk_simple_probe,
46 	.remove = mtk_clk_simple_remove,
47 	.driver = {
48 		.name = "clk-mt2712-jpgdec",
49 		.of_match_table = of_match_clk_mt2712_jpgdec,
50 	},
51 };
52 module_platform_driver(clk_mt2712_jpgdec_drv);
53 
54 MODULE_DESCRIPTION("MediaTek MT2712 JPEG Decoder clocks driver");
55 MODULE_LICENSE("GPL");
56