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 
15 static const struct mtk_gate_regs img_cg_regs = {
16 	.set_ofs = 0x0004,
17 	.clr_ofs = 0x0008,
18 	.sta_ofs = 0x0000,
19 };
20 
21 #define GATE_IMG(_id, _name, _parent, _shift) {		\
22 		.id = _id,				\
23 		.name = _name,				\
24 		.parent_name = _parent,			\
25 		.regs = &img_cg_regs,			\
26 		.shift = _shift,			\
27 		.ops = &mtk_clk_gate_ops_setclr,	\
28 	}
29 
30 static const struct mtk_gate img_clks[] = {
31 	GATE_IMG(CLK_IMG_SMI_COMM, "img_smi_comm", "mm_sel", 0),
32 	GATE_IMG(CLK_IMG_RESZ, "img_resz", "mm_sel", 1),
33 	GATE_IMG(CLK_IMG_JPGDEC_SMI, "img_jpgdec_smi", "mm_sel", 5),
34 	GATE_IMG(CLK_IMG_JPGDEC, "img_jpgdec", "mm_sel", 6),
35 	GATE_IMG(CLK_IMG_VENC_LT, "img_venc_lt", "mm_sel", 8),
36 	GATE_IMG(CLK_IMG_VENC, "img_venc", "mm_sel", 9),
37 };
38 
39 static const struct mtk_clk_desc img_desc = {
40 	.clks = img_clks,
41 	.num_clks = ARRAY_SIZE(img_clks),
42 };
43 
44 static const struct of_device_id of_match_clk_mt2701_img[] = {
45 	{
46 		.compatible = "mediatek,mt2701-imgsys",
47 		.data = &img_desc,
48 	}, {
49 		/* sentinel */
50 	}
51 };
52 
53 static struct platform_driver clk_mt2701_img_drv = {
54 	.probe = mtk_clk_simple_probe,
55 	.remove = mtk_clk_simple_remove,
56 	.driver = {
57 		.name = "clk-mt2701-img",
58 		.of_match_table = of_match_clk_mt2701_img,
59 	},
60 };
61 
62 builtin_platform_driver(clk_mt2701_img_drv);
63