1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2014 MediaTek Inc.
4  * Copyright (c) 2022 Collabora Ltd.
5  * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
6  */
7 
8 #include <dt-bindings/clock/mt8173-clk.h>
9 #include <linux/module.h>
10 #include <linux/platform_device.h>
11 #include "clk-gate.h"
12 #include "clk-mtk.h"
13 
14 static const struct mtk_gate_regs img_cg_regs = {
15 	.set_ofs = 0x0004,
16 	.clr_ofs = 0x0008,
17 	.sta_ofs = 0x0000,
18 };
19 
20 #define GATE_IMG(_id, _name, _parent, _shift)			\
21 	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
22 
23 static const struct mtk_gate img_clks[] = {
24 	GATE_DUMMY(CLK_DUMMY, "img_dummy"),
25 	GATE_IMG(CLK_IMG_LARB2_SMI, "img_larb2_smi", "mm_sel", 0),
26 	GATE_IMG(CLK_IMG_CAM_SMI, "img_cam_smi", "mm_sel", 5),
27 	GATE_IMG(CLK_IMG_CAM_CAM, "img_cam_cam", "mm_sel", 6),
28 	GATE_IMG(CLK_IMG_SEN_TG, "img_sen_tg", "camtg_sel", 7),
29 	GATE_IMG(CLK_IMG_SEN_CAM, "img_sen_cam", "mm_sel", 8),
30 	GATE_IMG(CLK_IMG_CAM_SV, "img_cam_sv", "mm_sel", 9),
31 	GATE_IMG(CLK_IMG_FD, "img_fd", "mm_sel", 11),
32 };
33 
34 static const struct mtk_clk_desc img_desc = {
35 	.clks = img_clks,
36 	.num_clks = ARRAY_SIZE(img_clks),
37 };
38 
39 static const struct of_device_id of_match_clk_mt8173_imgsys[] = {
40 	{ .compatible = "mediatek,mt8173-imgsys", .data = &img_desc },
41 	{ /* sentinel */ }
42 };
43 
44 static struct platform_driver clk_mt8173_vdecsys_drv = {
45 	.probe = mtk_clk_simple_probe,
46 	.remove = mtk_clk_simple_remove,
47 	.driver = {
48 		.name = "clk-mt8173-imgsys",
49 		.of_match_table = of_match_clk_mt8173_imgsys,
50 	},
51 };
52 module_platform_driver(clk_mt8173_vdecsys_drv);
53 
54 MODULE_DESCRIPTION("MediaTek MT8173 vdecsys clocks driver");
55 MODULE_LICENSE("GPL");
56