tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2022 MediaTek Inc.
4 * Author: Garmin Chang <garmin.chang@mediatek.com>
5 */
6
7#include <dt-bindings/clock/mediatek,mt8188-clk.h>
8#include <linux/clk-provider.h>
9#include <linux/platform_device.h>
10
11#include "clk-gate.h"
12#include "clk-mtk.h"
13
14static const struct mtk_gate_regs cam_cg_regs = {
15 .set_ofs = 0x4,
16 .clr_ofs = 0x8,
17 .sta_ofs = 0x0,
18};
19
20#define GATE_CAM(_id, _name, _parent, _shift) \
21 GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
22
23#define CAM_SYS_SMI_LARB_RST_OFF (0xA0)
24
25static const struct mtk_gate cam_main_clks[] = {
26 GATE_CAM(CLK_CAM_MAIN_LARB13, "cam_main_larb13", "top_cam", 0),
27 GATE_CAM(CLK_CAM_MAIN_LARB14, "cam_main_larb14", "top_cam", 1),
28 GATE_CAM(CLK_CAM_MAIN_CAM, "cam_main_cam", "top_cam", 2),
29 GATE_CAM(CLK_CAM_MAIN_CAM_SUBA, "cam_main_cam_suba", "top_cam", 3),
30 GATE_CAM(CLK_CAM_MAIN_CAM_SUBB, "cam_main_cam_subb", "top_cam", 4),
31 GATE_CAM(CLK_CAM_MAIN_CAMTG, "cam_main_camtg", "top_cam", 7),
32 GATE_CAM(CLK_CAM_MAIN_SENINF, "cam_main_seninf", "top_cam", 8),
33 GATE_CAM(CLK_CAM_MAIN_GCAMSVA, "cam_main_gcamsva", "top_cam", 9),
34 GATE_CAM(CLK_CAM_MAIN_GCAMSVB, "cam_main_gcamsvb", "top_cam", 10),
35 GATE_CAM(CLK_CAM_MAIN_GCAMSVC, "cam_main_gcamsvc", "top_cam", 11),
36 GATE_CAM(CLK_CAM_MAIN_GCAMSVD, "cam_main_gcamsvd", "top_cam", 12),
37 GATE_CAM(CLK_CAM_MAIN_GCAMSVE, "cam_main_gcamsve", "top_cam", 13),
38 GATE_CAM(CLK_CAM_MAIN_GCAMSVF, "cam_main_gcamsvf", "top_cam", 14),
39 GATE_CAM(CLK_CAM_MAIN_GCAMSVG, "cam_main_gcamsvg", "top_cam", 15),
40 GATE_CAM(CLK_CAM_MAIN_GCAMSVH, "cam_main_gcamsvh", "top_cam", 16),
41 GATE_CAM(CLK_CAM_MAIN_GCAMSVI, "cam_main_gcamsvi", "top_cam", 17),
42 GATE_CAM(CLK_CAM_MAIN_GCAMSVJ, "cam_main_gcamsvj", "top_cam", 18),
43 GATE_CAM(CLK_CAM_MAIN_CAMSV_TOP, "cam_main_camsv", "top_cam", 19),
44 GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_A, "cam_main_camsv_cq_a", "top_cam", 20),
45 GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_B, "cam_main_camsv_cq_b", "top_cam", 21),
46 GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_C, "cam_main_camsv_cq_c", "top_cam", 22),
47 GATE_CAM(CLK_CAM_MAIN_FAKE_ENG, "cam_main_fake_eng", "top_cam", 28),
48 GATE_CAM(CLK_CAM_MAIN_CAM2MM0_GALS, "cam_main_cam2mm0_gals", "top_cam", 29),
49 GATE_CAM(CLK_CAM_MAIN_CAM2MM1_GALS, "cam_main_cam2mm1_gals", "top_cam", 30),
50 GATE_CAM(CLK_CAM_MAIN_CAM2SYS_GALS, "cam_main_cam2sys_gals", "top_cam", 31),
51};
52
53static const struct mtk_gate cam_rawa_clks[] = {
54 GATE_CAM(CLK_CAM_RAWA_LARBX, "cam_rawa_larbx", "top_cam", 0),
55 GATE_CAM(CLK_CAM_RAWA_CAM, "cam_rawa_cam", "top_cam", 1),
56 GATE_CAM(CLK_CAM_RAWA_CAMTG, "cam_rawa_camtg", "top_cam", 2),
57};
58
59static const struct mtk_gate cam_rawb_clks[] = {
60 GATE_CAM(CLK_CAM_RAWB_LARBX, "cam_rawb_larbx", "top_cam", 0),
61 GATE_CAM(CLK_CAM_RAWB_CAM, "cam_rawb_cam", "top_cam", 1),
62 GATE_CAM(CLK_CAM_RAWB_CAMTG, "cam_rawb_camtg", "top_cam", 2),
63};
64
65static const struct mtk_gate cam_yuva_clks[] = {
66 GATE_CAM(CLK_CAM_YUVA_LARBX, "cam_yuva_larbx", "top_cam", 0),
67 GATE_CAM(CLK_CAM_YUVA_CAM, "cam_yuva_cam", "top_cam", 1),
68 GATE_CAM(CLK_CAM_YUVA_CAMTG, "cam_yuva_camtg", "top_cam", 2),
69};
70
71static const struct mtk_gate cam_yuvb_clks[] = {
72 GATE_CAM(CLK_CAM_YUVB_LARBX, "cam_yuvb_larbx", "top_cam", 0),
73 GATE_CAM(CLK_CAM_YUVB_CAM, "cam_yuvb_cam", "top_cam", 1),
74 GATE_CAM(CLK_CAM_YUVB_CAMTG, "cam_yuvb_camtg", "top_cam", 2),
75};
76
77/* Reset for SMI larb 16a/16b/17a/17b */
78static u16 cam_sys_rst_ofs[] = {
79 CAM_SYS_SMI_LARB_RST_OFF,
80};
81
82static const struct mtk_clk_rst_desc cam_sys_rst_desc = {
83 .version = MTK_RST_SIMPLE,
84 .rst_bank_ofs = cam_sys_rst_ofs,
85 .rst_bank_nr = ARRAY_SIZE(cam_sys_rst_ofs),
86};
87
88static const struct mtk_clk_desc cam_main_desc = {
89 .clks = cam_main_clks,
90 .num_clks = ARRAY_SIZE(cam_main_clks),
91};
92
93static const struct mtk_clk_desc cam_rawa_desc = {
94 .clks = cam_rawa_clks,
95 .num_clks = ARRAY_SIZE(cam_rawa_clks),
96 .rst_desc = &cam_sys_rst_desc,
97};
98
99static const struct mtk_clk_desc cam_rawb_desc = {
100 .clks = cam_rawb_clks,
101 .num_clks = ARRAY_SIZE(cam_rawb_clks),
102 .rst_desc = &cam_sys_rst_desc,
103};
104
105static const struct mtk_clk_desc cam_yuva_desc = {
106 .clks = cam_yuva_clks,
107 .num_clks = ARRAY_SIZE(cam_yuva_clks),
108 .rst_desc = &cam_sys_rst_desc,
109};
110
111static const struct mtk_clk_desc cam_yuvb_desc = {
112 .clks = cam_yuvb_clks,
113 .num_clks = ARRAY_SIZE(cam_yuvb_clks),
114 .rst_desc = &cam_sys_rst_desc,
115};
116
117static const struct of_device_id of_match_clk_mt8188_cam[] = {
118 { .compatible = "mediatek,mt8188-camsys", .data = &cam_main_desc },
119 { .compatible = "mediatek,mt8188-camsys-rawa", .data = &cam_rawa_desc },
120 { .compatible = "mediatek,mt8188-camsys-rawb", .data = &cam_rawb_desc },
121 { .compatible = "mediatek,mt8188-camsys-yuva", .data = &cam_yuva_desc },
122 { .compatible = "mediatek,mt8188-camsys-yuvb", .data = &cam_yuvb_desc },
123 { /* sentinel */ }
124};
125MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_cam);
126
127static struct platform_driver clk_mt8188_cam_drv = {
128 .probe = mtk_clk_simple_probe,
129 .remove = mtk_clk_simple_remove,
130 .driver = {
131 .name = "clk-mt8188-cam",
132 .of_match_table = of_match_clk_mt8188_cam,
133 },
134};
135module_platform_driver(clk_mt8188_cam_drv);
136
137MODULE_DESCRIPTION("MediaTek MT8188 Camera clocks driver");
138MODULE_LICENSE("GPL");