xref: /linux/drivers/clk/mediatek/clk-mt2712-venc.c (revision 8e07e0e3964ca4e23ce7b68e2096fe660a888942)
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 	GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
23 
24 static const struct mtk_gate venc_clks[] = {
25 	GATE_VENC(CLK_VENC_SMI_COMMON_CON, "venc_smi", "mm_sel", 0),
26 	GATE_VENC(CLK_VENC_VENC, "venc_venc", "venc_sel", 4),
27 	GATE_VENC(CLK_VENC_SMI_LARB6, "venc_smi_larb6", "jpgdec_sel", 12),
28 };
29 
30 static const struct mtk_clk_desc venc_desc = {
31 	.clks = venc_clks,
32 	.num_clks = ARRAY_SIZE(venc_clks),
33 };
34 
35 static const struct of_device_id of_match_clk_mt2712_venc[] = {
36 	{
37 		.compatible = "mediatek,mt2712-vencsys",
38 		.data = &venc_desc,
39 	}, {
40 		/* sentinel */
41 	}
42 };
43 MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_venc);
44 
45 static struct platform_driver clk_mt2712_venc_drv = {
46 	.probe = mtk_clk_simple_probe,
47 	.remove_new = mtk_clk_simple_remove,
48 	.driver = {
49 		.name = "clk-mt2712-venc",
50 		.of_match_table = of_match_clk_mt2712_venc,
51 	},
52 };
53 module_platform_driver(clk_mt2712_venc_drv);
54 MODULE_LICENSE("GPL");
55