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 vdec0_cg_regs = {
16 	.set_ofs = 0x0000,
17 	.clr_ofs = 0x0004,
18 	.sta_ofs = 0x0000,
19 };
20 
21 static const struct mtk_gate_regs vdec1_cg_regs = {
22 	.set_ofs = 0x0008,
23 	.clr_ofs = 0x000c,
24 	.sta_ofs = 0x0008,
25 };
26 
27 #define GATE_VDEC0(_id, _name, _parent, _shift)				\
28 	GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
29 
30 #define GATE_VDEC1(_id, _name, _parent, _shift)				\
31 	GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
32 
33 static const struct mtk_gate vdec_clks[] = {
34 	GATE_VDEC0(CLK_VDEC_CKGEN, "vdec_cken", "vdec_sel", 0),
35 	GATE_VDEC1(CLK_VDEC_LARB, "vdec_larb_cken", "mm_sel", 0),
36 };
37 
38 static const struct mtk_clk_desc vdec_desc = {
39 	.clks = vdec_clks,
40 	.num_clks = ARRAY_SIZE(vdec_clks),
41 };
42 
43 static const struct of_device_id of_match_clk_mt2701_vdec[] = {
44 	{
45 		.compatible = "mediatek,mt2701-vdecsys",
46 		.data = &vdec_desc,
47 	}, {
48 		/* sentinel */
49 	}
50 };
51 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_vdec);
52 
53 static struct platform_driver clk_mt2701_vdec_drv = {
54 	.probe = mtk_clk_simple_probe,
55 	.remove = mtk_clk_simple_remove,
56 	.driver = {
57 		.name = "clk-mt2701-vdec",
58 		.of_match_table = of_match_clk_mt2701_vdec,
59 	},
60 };
61 module_platform_driver(clk_mt2701_vdec_drv);
62 MODULE_LICENSE("GPL");
63