1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2017 MediaTek Inc.
3  * Author: Kevin Chen <kevin-cw.chen@mediatek.com>
4  */
5 
6 #include <linux/clk-provider.h>
7 #include <linux/platform_device.h>
8 #include <dt-bindings/clock/mt6797-clk.h>
9 
10 #include "clk-mtk.h"
11 #include "clk-gate.h"
12 
13 static const struct mtk_gate_regs img_cg_regs = {
14 	.set_ofs = 0x0004,
15 	.clr_ofs = 0x0008,
16 	.sta_ofs = 0x0000,
17 };
18 
19 #define GATE_IMG(_id, _name, _parent, _shift) {		\
20 		.id = _id,				\
21 		.name = _name,				\
22 		.parent_name = _parent,			\
23 		.regs = &img_cg_regs,			\
24 		.shift = _shift,			\
25 		.ops = &mtk_clk_gate_ops_setclr,	\
26 	}
27 
28 static const struct mtk_gate img_clks[] = {
29 	GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "mm_sel", 11),
30 	GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_sel", 10),
31 	GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_sel", 6),
32 	GATE_IMG(CLK_IMG_LARB6, "img_larb6", "mm_sel", 0),
33 };
34 
35 static const struct mtk_clk_desc img_desc = {
36 	.clks = img_clks,
37 	.num_clks = ARRAY_SIZE(img_clks),
38 };
39 
40 static const struct of_device_id of_match_clk_mt6797_img[] = {
41 	{
42 		.compatible = "mediatek,mt6797-imgsys",
43 		.data = &img_desc,
44 	}, {
45 		/* sentinel */
46 	}
47 };
48 
49 static struct platform_driver clk_mt6797_img_drv = {
50 	.probe = mtk_clk_simple_probe,
51 	.remove = mtk_clk_simple_remove,
52 	.driver = {
53 		.name = "clk-mt6797-img",
54 		.of_match_table = of_match_clk_mt6797_img,
55 	},
56 };
57 
58 builtin_platform_driver(clk_mt6797_img_drv);
59