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 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_DFP_VAD, "cam_dfp_vad", "top_cam", 1),
25 	GATE_CAM(CLK_CAM_LARB14, "cam_larb14", "top_cam", 2),
26 	GATE_CAM(CLK_CAM, "cam", "top_cam", 6),
27 	GATE_CAM(CLK_CAMTG, "camtg", "top_cam", 7),
28 	GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "top_cam", 8),
29 	GATE_CAM(CLK_CAMSV1, "camsv1", "top_cam", 10),
30 	GATE_CAM(CLK_CAMSV2, "camsv2", "top_cam", 11),
31 	GATE_CAM(CLK_CAMSV3, "camsv3", "top_cam", 12),
32 	GATE_CAM(CLK_CAM_CCU0, "cam_ccu0", "top_cam", 13),
33 	GATE_CAM(CLK_CAM_CCU1, "cam_ccu1", "top_cam", 14),
34 	GATE_CAM(CLK_CAM_MRAW0, "cam_mraw0", "top_cam", 15),
35 	GATE_CAM(CLK_CAM_FAKE_ENG, "cam_fake_eng", "top_cam", 17),
36 	GATE_CAM(CLK_CAM_CCU_GALS, "cam_ccu_gals", "top_cam", 18),
37 	GATE_CAM(CLK_CAM2MM_GALS, "cam2mm_gals", "top_cam", 19),
38 };
39 
40 static const struct mtk_gate cam_rawa_clks[] = {
41 	GATE_CAM(CLK_CAM_RAWA_LARBX_RAWA, "cam_rawa_larbx_rawa", "top_cam", 0),
42 	GATE_CAM(CLK_CAM_RAWA, "cam_rawa", "top_cam", 1),
43 	GATE_CAM(CLK_CAM_RAWA_CAMTG_RAWA, "cam_rawa_camtg_rawa", "top_cam", 2),
44 };
45 
46 static const struct mtk_gate cam_rawb_clks[] = {
47 	GATE_CAM(CLK_CAM_RAWB_LARBX_RAWB, "cam_rawb_larbx_rawb", "top_cam", 0),
48 	GATE_CAM(CLK_CAM_RAWB, "cam_rawb", "top_cam", 1),
49 	GATE_CAM(CLK_CAM_RAWB_CAMTG_RAWB, "cam_rawb_camtg_rawb", "top_cam", 2),
50 };
51 
52 static const struct mtk_clk_desc cam_desc = {
53 	.clks = cam_clks,
54 	.num_clks = ARRAY_SIZE(cam_clks),
55 };
56 
57 static const struct mtk_clk_desc cam_rawa_desc = {
58 	.clks = cam_rawa_clks,
59 	.num_clks = ARRAY_SIZE(cam_rawa_clks),
60 };
61 
62 static const struct mtk_clk_desc cam_rawb_desc = {
63 	.clks = cam_rawb_clks,
64 	.num_clks = ARRAY_SIZE(cam_rawb_clks),
65 };
66 
67 static const struct of_device_id of_match_clk_mt8186_cam[] = {
68 	{
69 		.compatible = "mediatek,mt8186-camsys",
70 		.data = &cam_desc,
71 	}, {
72 		.compatible = "mediatek,mt8186-camsys_rawa",
73 		.data = &cam_rawa_desc,
74 	}, {
75 		.compatible = "mediatek,mt8186-camsys_rawb",
76 		.data = &cam_rawb_desc,
77 	}, {
78 		/* sentinel */
79 	}
80 };
81 
82 static struct platform_driver clk_mt8186_cam_drv = {
83 	.probe = mtk_clk_simple_probe,
84 	.remove = mtk_clk_simple_remove,
85 	.driver = {
86 		.name = "clk-mt8186-cam",
87 		.of_match_table = of_match_clk_mt8186_cam,
88 	},
89 };
90 builtin_platform_driver(clk_mt8186_cam_drv);
91