1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright (c) 2021 MediaTek Inc.
4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
5 
6 #include "clk-gate.h"
7 #include "clk-mtk.h"
8 
9 #include <dt-bindings/clock/mt8195-clk.h>
10 #include <linux/clk-provider.h>
11 #include <linux/platform_device.h>
12 
13 static const struct mtk_gate_regs cam_cg_regs = {
14 	.set_ofs = 0x4,
15 	.clr_ofs = 0x8,
16 	.sta_ofs = 0x0,
17 };
18 
19 #define GATE_CAM(_id, _name, _parent, _shift)			\
20 	GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
21 
22 static const struct mtk_gate cam_clks[] = {
23 	GATE_CAM(CLK_CAM_LARB13, "cam_larb13", "top_cam", 0),
24 	GATE_CAM(CLK_CAM_LARB14, "cam_larb14", "top_cam", 1),
25 	GATE_CAM(CLK_CAM_MAIN_CAM, "cam_main_cam", "top_cam", 3),
26 	GATE_CAM(CLK_CAM_MAIN_CAMTG, "cam_main_camtg", "top_cam", 4),
27 	GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "top_cam", 5),
28 	GATE_CAM(CLK_CAM_GCAMSVA, "cam_gcamsva", "top_cam", 6),
29 	GATE_CAM(CLK_CAM_GCAMSVB, "cam_gcamsvb", "top_cam", 7),
30 	GATE_CAM(CLK_CAM_GCAMSVC, "cam_gcamsvc", "top_cam", 8),
31 	GATE_CAM(CLK_CAM_SCAMSA, "cam_scamsa", "top_cam", 9),
32 	GATE_CAM(CLK_CAM_SCAMSB, "cam_scamsb", "top_cam", 10),
33 	GATE_CAM(CLK_CAM_CAMSV_TOP, "cam_camsv_top", "top_cam", 11),
34 	GATE_CAM(CLK_CAM_CAMSV_CQ, "cam_camsv_cq", "top_cam", 12),
35 	GATE_CAM(CLK_CAM_ADL, "cam_adl", "top_cam", 16),
36 	GATE_CAM(CLK_CAM_ASG, "cam_asg", "top_cam", 17),
37 	GATE_CAM(CLK_CAM_PDA, "cam_pda", "top_cam", 18),
38 	GATE_CAM(CLK_CAM_FAKE_ENG, "cam_fake_eng", "top_cam", 19),
39 	GATE_CAM(CLK_CAM_MAIN_MRAW0, "cam_main_mraw0", "top_cam", 20),
40 	GATE_CAM(CLK_CAM_MAIN_MRAW1, "cam_main_mraw1", "top_cam", 21),
41 	GATE_CAM(CLK_CAM_MAIN_MRAW2, "cam_main_mraw2", "top_cam", 22),
42 	GATE_CAM(CLK_CAM_MAIN_MRAW3, "cam_main_mraw3", "top_cam", 23),
43 	GATE_CAM(CLK_CAM_CAM2MM0_GALS, "cam_cam2mm0_gals", "top_cam", 24),
44 	GATE_CAM(CLK_CAM_CAM2MM1_GALS, "cam_cam2mm1_gals", "top_cam", 25),
45 	GATE_CAM(CLK_CAM_CAM2SYS_GALS, "cam_cam2sys_gals", "top_cam", 26),
46 };
47 
48 static const struct mtk_gate cam_mraw_clks[] = {
49 	GATE_CAM(CLK_CAM_MRAW_LARBX, "cam_mraw_larbx", "top_cam", 0),
50 	GATE_CAM(CLK_CAM_MRAW_CAMTG, "cam_mraw_camtg", "top_cam", 2),
51 	GATE_CAM(CLK_CAM_MRAW_MRAW0, "cam_mraw_mraw0", "top_cam", 3),
52 	GATE_CAM(CLK_CAM_MRAW_MRAW1, "cam_mraw_mraw1", "top_cam", 4),
53 	GATE_CAM(CLK_CAM_MRAW_MRAW2, "cam_mraw_mraw2", "top_cam", 5),
54 	GATE_CAM(CLK_CAM_MRAW_MRAW3, "cam_mraw_mraw3", "top_cam", 6),
55 };
56 
57 static const struct mtk_gate cam_rawa_clks[] = {
58 	GATE_CAM(CLK_CAM_RAWA_LARBX, "cam_rawa_larbx", "top_cam", 0),
59 	GATE_CAM(CLK_CAM_RAWA_CAM, "cam_rawa_cam", "top_cam", 1),
60 	GATE_CAM(CLK_CAM_RAWA_CAMTG, "cam_rawa_camtg", "top_cam", 2),
61 };
62 
63 static const struct mtk_gate cam_rawb_clks[] = {
64 	GATE_CAM(CLK_CAM_RAWB_LARBX, "cam_rawb_larbx", "top_cam", 0),
65 	GATE_CAM(CLK_CAM_RAWB_CAM, "cam_rawb_cam", "top_cam", 1),
66 	GATE_CAM(CLK_CAM_RAWB_CAMTG, "cam_rawb_camtg", "top_cam", 2),
67 };
68 
69 static const struct mtk_gate cam_yuva_clks[] = {
70 	GATE_CAM(CLK_CAM_YUVA_LARBX, "cam_yuva_larbx", "top_cam", 0),
71 	GATE_CAM(CLK_CAM_YUVA_CAM, "cam_yuva_cam", "top_cam", 1),
72 	GATE_CAM(CLK_CAM_YUVA_CAMTG, "cam_yuva_camtg", "top_cam", 2),
73 };
74 
75 static const struct mtk_gate cam_yuvb_clks[] = {
76 	GATE_CAM(CLK_CAM_YUVB_LARBX, "cam_yuvb_larbx", "top_cam", 0),
77 	GATE_CAM(CLK_CAM_YUVB_CAM, "cam_yuvb_cam", "top_cam", 1),
78 	GATE_CAM(CLK_CAM_YUVB_CAMTG, "cam_yuvb_camtg", "top_cam", 2),
79 };
80 
81 static const struct mtk_clk_desc cam_desc = {
82 	.clks = cam_clks,
83 	.num_clks = ARRAY_SIZE(cam_clks),
84 };
85 
86 static const struct mtk_clk_desc cam_mraw_desc = {
87 	.clks = cam_mraw_clks,
88 	.num_clks = ARRAY_SIZE(cam_mraw_clks),
89 };
90 
91 static const struct mtk_clk_desc cam_rawa_desc = {
92 	.clks = cam_rawa_clks,
93 	.num_clks = ARRAY_SIZE(cam_rawa_clks),
94 };
95 
96 static const struct mtk_clk_desc cam_rawb_desc = {
97 	.clks = cam_rawb_clks,
98 	.num_clks = ARRAY_SIZE(cam_rawb_clks),
99 };
100 
101 static const struct mtk_clk_desc cam_yuva_desc = {
102 	.clks = cam_yuva_clks,
103 	.num_clks = ARRAY_SIZE(cam_yuva_clks),
104 };
105 
106 static const struct mtk_clk_desc cam_yuvb_desc = {
107 	.clks = cam_yuvb_clks,
108 	.num_clks = ARRAY_SIZE(cam_yuvb_clks),
109 };
110 
111 static const struct of_device_id of_match_clk_mt8195_cam[] = {
112 	{
113 		.compatible = "mediatek,mt8195-camsys",
114 		.data = &cam_desc,
115 	}, {
116 		.compatible = "mediatek,mt8195-camsys_mraw",
117 		.data = &cam_mraw_desc,
118 	}, {
119 		.compatible = "mediatek,mt8195-camsys_rawa",
120 		.data = &cam_rawa_desc,
121 	}, {
122 		.compatible = "mediatek,mt8195-camsys_rawb",
123 		.data = &cam_rawb_desc,
124 	}, {
125 		.compatible = "mediatek,mt8195-camsys_yuva",
126 		.data = &cam_yuva_desc,
127 	}, {
128 		.compatible = "mediatek,mt8195-camsys_yuvb",
129 		.data = &cam_yuvb_desc,
130 	}, {
131 		/* sentinel */
132 	}
133 };
134 
135 static struct platform_driver clk_mt8195_cam_drv = {
136 	.probe = mtk_clk_simple_probe,
137 	.remove = mtk_clk_simple_remove,
138 	.driver = {
139 		.name = "clk-mt8195-cam",
140 		.of_match_table = of_match_clk_mt8195_cam,
141 	},
142 };
143 builtin_platform_driver(clk_mt8195_cam_drv);
144