1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright (c) 2018 MediaTek Inc.
4 // Author: Weiyi Lu <weiyi.lu@mediatek.com>
5 
6 #include <linux/clk-provider.h>
7 #include <linux/platform_device.h>
8 
9 #include "clk-mtk.h"
10 #include "clk-gate.h"
11 
12 #include <dt-bindings/clock/mt8183-clk.h>
13 
14 static const struct mtk_gate_regs img_cg_regs = {
15 	.set_ofs = 0x4,
16 	.clr_ofs = 0x8,
17 	.sta_ofs = 0x0,
18 };
19 
20 #define GATE_IMG(_id, _name, _parent, _shift)			\
21 	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift,	\
22 		&mtk_clk_gate_ops_setclr)
23 
24 static const struct mtk_gate img_clks[] = {
25 	GATE_IMG(CLK_IMG_LARB5, "img_larb5", "img_sel", 0),
26 	GATE_IMG(CLK_IMG_LARB2, "img_larb2", "img_sel", 1),
27 	GATE_IMG(CLK_IMG_DIP, "img_dip", "img_sel", 2),
28 	GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "img_sel", 3),
29 	GATE_IMG(CLK_IMG_DPE, "img_dpe", "img_sel", 4),
30 	GATE_IMG(CLK_IMG_RSC, "img_rsc", "img_sel", 5),
31 	GATE_IMG(CLK_IMG_MFB, "img_mfb", "img_sel", 6),
32 	GATE_IMG(CLK_IMG_WPE_A, "img_wpe_a", "img_sel", 7),
33 	GATE_IMG(CLK_IMG_WPE_B, "img_wpe_b", "img_sel", 8),
34 	GATE_IMG(CLK_IMG_OWE, "img_owe", "img_sel", 9),
35 };
36 
37 static const struct mtk_clk_desc img_desc = {
38 	.clks = img_clks,
39 	.num_clks = ARRAY_SIZE(img_clks),
40 };
41 
42 static const struct of_device_id of_match_clk_mt8183_img[] = {
43 	{
44 		.compatible = "mediatek,mt8183-imgsys",
45 		.data = &img_desc,
46 	}, {
47 		/* sentinel */
48 	}
49 };
50 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_img);
51 
52 static struct platform_driver clk_mt8183_img_drv = {
53 	.probe = mtk_clk_simple_probe,
54 	.remove = mtk_clk_simple_remove,
55 	.driver = {
56 		.name = "clk-mt8183-img",
57 		.of_match_table = of_match_clk_mt8183_img,
58 	},
59 };
60 module_platform_driver(clk_mt8183_img_drv);
61 MODULE_LICENSE("GPL");
62