1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright (c) 2022 MediaTek Inc.
4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
5 
6 #include <linux/clk-provider.h>
7 #include <linux/platform_device.h>
8 #include <dt-bindings/clock/mt8186-clk.h>
9 
10 #include "clk-gate.h"
11 #include "clk-mtk.h"
12 
13 static const struct mtk_gate_regs img_cg_regs = {
14 	.set_ofs = 0x4,
15 	.clr_ofs = 0x8,
16 	.sta_ofs = 0x0,
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 img1_clks[] = {
23 	GATE_IMG(CLK_IMG1_LARB9_IMG1, "img1_larb9_img1", "top_img1", 0),
24 	GATE_IMG(CLK_IMG1_LARB10_IMG1, "img1_larb10_img1", "top_img1", 1),
25 	GATE_IMG(CLK_IMG1_DIP, "img1_dip", "top_img1", 2),
26 	GATE_IMG(CLK_IMG1_GALS_IMG1, "img1_gals_img1", "top_img1", 12),
27 };
28 
29 static const struct mtk_gate img2_clks[] = {
30 	GATE_IMG(CLK_IMG2_LARB9_IMG2, "img2_larb9_img2", "top_img1", 0),
31 	GATE_IMG(CLK_IMG2_LARB10_IMG2, "img2_larb10_img2", "top_img1", 1),
32 	GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "top_img1", 6),
33 	GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "top_img1", 7),
34 	GATE_IMG(CLK_IMG2_MSS, "img2_mss", "top_img1", 8),
35 	GATE_IMG(CLK_IMG2_GALS_IMG2, "img2_gals_img2", "top_img1", 12),
36 };
37 
38 static const struct mtk_clk_desc img1_desc = {
39 	.clks = img1_clks,
40 	.num_clks = ARRAY_SIZE(img1_clks),
41 };
42 
43 static const struct mtk_clk_desc img2_desc = {
44 	.clks = img2_clks,
45 	.num_clks = ARRAY_SIZE(img2_clks),
46 };
47 
48 static const struct of_device_id of_match_clk_mt8186_img[] = {
49 	{
50 		.compatible = "mediatek,mt8186-imgsys1",
51 		.data = &img1_desc,
52 	}, {
53 		.compatible = "mediatek,mt8186-imgsys2",
54 		.data = &img2_desc,
55 	}, {
56 		/* sentinel */
57 	}
58 };
59 
60 static struct platform_driver clk_mt8186_img_drv = {
61 	.probe = mtk_clk_simple_probe,
62 	.remove = mtk_clk_simple_remove,
63 	.driver = {
64 		.name = "clk-mt8186-img",
65 		.of_match_table = of_match_clk_mt8186_img,
66 	},
67 };
68 builtin_platform_driver(clk_mt8186_img_drv);
69