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 	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
21 
22 static const struct mtk_gate img_clks[] = {
23 	GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "mm_sel", 11),
24 	GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_sel", 10),
25 	GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_sel", 6),
26 	GATE_IMG(CLK_IMG_LARB6, "img_larb6", "mm_sel", 0),
27 };
28 
29 static const struct mtk_clk_desc img_desc = {
30 	.clks = img_clks,
31 	.num_clks = ARRAY_SIZE(img_clks),
32 };
33 
34 static const struct of_device_id of_match_clk_mt6797_img[] = {
35 	{
36 		.compatible = "mediatek,mt6797-imgsys",
37 		.data = &img_desc,
38 	}, {
39 		/* sentinel */
40 	}
41 };
42 MODULE_DEVICE_TABLE(of, of_match_clk_mt6797_img);
43 
44 static struct platform_driver clk_mt6797_img_drv = {
45 	.probe = mtk_clk_simple_probe,
46 	.remove = mtk_clk_simple_remove,
47 	.driver = {
48 		.name = "clk-mt6797-img",
49 		.of_match_table = of_match_clk_mt6797_img,
50 	},
51 };
52 module_platform_driver(clk_mt6797_img_drv);
53 MODULE_LICENSE("GPL");
54