1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2017 MediaTek Inc.
4  * Author: Weiyi Lu <weiyi.lu@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/mt2712-clk.h>
14 
15 static const struct mtk_gate_regs venc_cg_regs = {
16 	.set_ofs = 0x4,
17 	.clr_ofs = 0x8,
18 	.sta_ofs = 0x0,
19 };
20 
21 #define GATE_VENC(_id, _name, _parent, _shift) {	\
22 		.id = _id,				\
23 		.name = _name,				\
24 		.parent_name = _parent,			\
25 		.regs = &venc_cg_regs,			\
26 		.shift = _shift,			\
27 		.ops = &mtk_clk_gate_ops_setclr_inv,	\
28 	}
29 
30 static const struct mtk_gate venc_clks[] = {
31 	GATE_VENC(CLK_VENC_SMI_COMMON_CON, "venc_smi", "mm_sel", 0),
32 	GATE_VENC(CLK_VENC_VENC, "venc_venc", "venc_sel", 4),
33 	GATE_VENC(CLK_VENC_SMI_LARB6, "venc_smi_larb6", "jpgdec_sel", 12),
34 };
35 
36 static const struct mtk_clk_desc venc_desc = {
37 	.clks = venc_clks,
38 	.num_clks = ARRAY_SIZE(venc_clks),
39 };
40 
41 static const struct of_device_id of_match_clk_mt2712_venc[] = {
42 	{
43 		.compatible = "mediatek,mt2712-vencsys",
44 		.data = &venc_desc,
45 	}, {
46 		/* sentinel */
47 	}
48 };
49 
50 static struct platform_driver clk_mt2712_venc_drv = {
51 	.probe = mtk_clk_simple_probe,
52 	.remove = mtk_clk_simple_remove,
53 	.driver = {
54 		.name = "clk-mt2712-venc",
55 		.of_match_table = of_match_clk_mt2712_venc,
56 	},
57 };
58 
59 builtin_platform_driver(clk_mt2712_venc_drv);
60