1// SPDX-License-Identifier: GPL-2.0
2//
3// Copyright (c) 2018 MediaTek Inc.
4// Author: Weiyi Lu <weiyi.lu@mediatek.com>
5
6#include <linux/clk-provider.h>
7#include <linux/platform_device.h>
8
9#include "clk-mtk.h"
10#include "clk-gate.h"
11
12#include <dt-bindings/clock/mt8183-clk.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, \
22 &mtk_clk_gate_ops_setclr)
23
24static const struct mtk_gate cam_clks[] = {
25 GATE_CAM(CLK_CAM_LARB6, "cam_larb6", "cam_sel", 0),
26 GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "cam_sel", 1),
27 GATE_CAM(CLK_CAM_LARB3, "cam_larb3", "cam_sel", 2),
28 GATE_CAM(CLK_CAM_CAM, "cam_cam", "cam_sel", 6),
29 GATE_CAM(CLK_CAM_CAMTG, "cam_camtg", "cam_sel", 7),
30 GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "cam_sel", 8),
31 GATE_CAM(CLK_CAM_CAMSV0, "cam_camsv0", "cam_sel", 9),
32 GATE_CAM(CLK_CAM_CAMSV1, "cam_camsv1", "cam_sel", 10),
33 GATE_CAM(CLK_CAM_CAMSV2, "cam_camsv2", "cam_sel", 11),
34 GATE_CAM(CLK_CAM_CCU, "cam_ccu", "cam_sel", 12),
35};
36
37static const struct mtk_clk_desc cam_desc = {
38 .clks = cam_clks,
39 .num_clks = ARRAY_SIZE(cam_clks),
40};
41
42static const struct of_device_id of_match_clk_mt8183_cam[] = {
43 {
44 .compatible = "mediatek,mt8183-camsys",
45 .data = &cam_desc,
46 }, {
47 /* sentinel */
48 }
49};
50MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_cam);
51
52static struct platform_driver clk_mt8183_cam_drv = {
53 .probe = mtk_clk_simple_probe,
54 .remove_new = mtk_clk_simple_remove,
55 .driver = {
56 .name = "clk-mt8183-cam",
57 .of_match_table = of_match_clk_mt8183_cam,
58 },
59};
60module_platform_driver(clk_mt8183_cam_drv);
61MODULE_LICENSE("GPL");
62

source code of linux/drivers/clk/mediatek/clk-mt8183-cam.c