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
13static 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
22static 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
40static 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
46static 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
52static const struct mtk_clk_desc cam_desc = {
53 .clks = cam_clks,
54 .num_clks = ARRAY_SIZE(cam_clks),
55};
56
57static const struct mtk_clk_desc cam_rawa_desc = {
58 .clks = cam_rawa_clks,
59 .num_clks = ARRAY_SIZE(cam_rawa_clks),
60};
61
62static const struct mtk_clk_desc cam_rawb_desc = {
63 .clks = cam_rawb_clks,
64 .num_clks = ARRAY_SIZE(cam_rawb_clks),
65};
66
67static 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};
81MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_cam);
82
83static struct platform_driver clk_mt8186_cam_drv = {
84 .probe = mtk_clk_simple_probe,
85 .remove_new = mtk_clk_simple_remove,
86 .driver = {
87 .name = "clk-mt8186-cam",
88 .of_match_table = of_match_clk_mt8186_cam,
89 },
90};
91module_platform_driver(clk_mt8186_cam_drv);
92MODULE_LICENSE("GPL");
93

source code of linux/drivers/clk/mediatek/clk-mt8186-cam.c