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 
14 static 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 
24 static 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 
37 static const struct mtk_clk_desc cam_desc = {
38 	.clks = cam_clks,
39 	.num_clks = ARRAY_SIZE(cam_clks),
40 };
41 
42 static 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 };
50 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_cam);
51 
52 static 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 };
60 module_platform_driver(clk_mt8183_cam_drv);
61 MODULE_LICENSE("GPL");
62