1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2020 MediaTek Inc.
4  * Copyright (c) 2020 BayLibre, SAS
5  * Author: James Liao <jamesjj.liao@mediatek.com>
6  *         Fabien Parent <fparent@baylibre.com>
7  */
8 
9 #include <linux/clk-provider.h>
10 #include <linux/of.h>
11 #include <linux/of_address.h>
12 #include <linux/of_device.h>
13 #include <linux/platform_device.h>
14 
15 #include "clk-mtk.h"
16 #include "clk-gate.h"
17 
18 #include <dt-bindings/clock/mt8167-clk.h>
19 
20 static const struct mtk_gate_regs img_cg_regs = {
21 	.set_ofs = 0x4,
22 	.clr_ofs = 0x8,
23 	.sta_ofs = 0x0,
24 };
25 
26 #define GATE_IMG(_id, _name, _parent, _shift)			\
27 	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
28 
29 static const struct mtk_gate img_clks[] = {
30 	GATE_IMG(CLK_IMG_LARB1_SMI, "img_larb1_smi", "smi_mm", 0),
31 	GATE_IMG(CLK_IMG_CAM_SMI, "img_cam_smi", "smi_mm", 5),
32 	GATE_IMG(CLK_IMG_CAM_CAM, "img_cam_cam", "smi_mm", 6),
33 	GATE_IMG(CLK_IMG_SEN_TG, "img_sen_tg", "cam_mm", 7),
34 	GATE_IMG(CLK_IMG_SEN_CAM, "img_sen_cam", "smi_mm", 8),
35 	GATE_IMG(CLK_IMG_VENC, "img_venc", "smi_mm", 9),
36 };
37 
38 static const struct mtk_clk_desc img_desc = {
39 	.clks = img_clks,
40 	.num_clks = ARRAY_SIZE(img_clks),
41 };
42 
43 static const struct of_device_id of_match_clk_mt8167_imgsys[] = {
44 	{ .compatible = "mediatek,mt8167-imgsys", .data = &img_desc },
45 	{ /* sentinel */ }
46 };
47 MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_imgsys);
48 
49 static struct platform_driver clk_mt8167_imgsys_drv = {
50 	.probe = mtk_clk_simple_probe,
51 	.remove_new = mtk_clk_simple_remove,
52 	.driver = {
53 		.name = "clk-mt8167-imgsys",
54 		.of_match_table = of_match_clk_mt8167_imgsys,
55 	},
56 };
57 module_platform_driver(clk_mt8167_imgsys_drv);
58 MODULE_LICENSE("GPL");
59