clk-mt8188-cam.c

  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");