1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2014 MediaTek Inc.
4  * Author: Shunli Wang <shunli.wang@mediatek.com>
5  */
6 
7 #include <linux/clk-provider.h>
8 #include <linux/platform_device.h>
9 
10 #include "clk-mtk.h"
11 #include "clk-gate.h"
12 
13 #include <dt-bindings/clock/mt2701-clk.h>
14 
15 static const struct mtk_gate_regs img_cg_regs = {
16 	.set_ofs = 0x0004,
17 	.clr_ofs = 0x0008,
18 	.sta_ofs = 0x0000,
19 };
20 
21 #define GATE_IMG(_id, _name, _parent, _shift)			\
22 	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
23 
24 static const struct mtk_gate img_clks[] = {
25 	GATE_IMG(CLK_IMG_SMI_COMM, "img_smi_comm", "mm_sel", 0),
26 	GATE_IMG(CLK_IMG_RESZ, "img_resz", "mm_sel", 1),
27 	GATE_IMG(CLK_IMG_JPGDEC_SMI, "img_jpgdec_smi", "mm_sel", 5),
28 	GATE_IMG(CLK_IMG_JPGDEC, "img_jpgdec", "mm_sel", 6),
29 	GATE_IMG(CLK_IMG_VENC_LT, "img_venc_lt", "mm_sel", 8),
30 	GATE_IMG(CLK_IMG_VENC, "img_venc", "mm_sel", 9),
31 };
32 
33 static const struct mtk_clk_desc img_desc = {
34 	.clks = img_clks,
35 	.num_clks = ARRAY_SIZE(img_clks),
36 };
37 
38 static const struct of_device_id of_match_clk_mt2701_img[] = {
39 	{
40 		.compatible = "mediatek,mt2701-imgsys",
41 		.data = &img_desc,
42 	}, {
43 		/* sentinel */
44 	}
45 };
46 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_img);
47 
48 static struct platform_driver clk_mt2701_img_drv = {
49 	.probe = mtk_clk_simple_probe,
50 	.remove = mtk_clk_simple_remove,
51 	.driver = {
52 		.name = "clk-mt2701-img",
53 		.of_match_table = of_match_clk_mt2701_img,
54 	},
55 };
56 module_platform_driver(clk_mt2701_img_drv);
57 MODULE_LICENSE("GPL");
58