1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2022 MediaTek Inc.
4  */
5 
6 #include <dt-bindings/clock/mediatek,mt8365-clk.h>
7 #include <linux/clk-provider.h>
8 #include <linux/platform_device.h>
9 
10 #include "clk-gate.h"
11 #include "clk-mtk.h"
12 
13 static const struct mtk_gate_regs vdec0_cg_regs = {
14 	.set_ofs = 0x0,
15 	.clr_ofs = 0x4,
16 	.sta_ofs = 0x0,
17 };
18 
19 static const struct mtk_gate_regs vdec1_cg_regs = {
20 	.set_ofs = 0x8,
21 	.clr_ofs = 0xc,
22 	.sta_ofs = 0x8,
23 };
24 
25 #define GATE_VDEC0(_id, _name, _parent, _shift) \
26 		GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, \
27 			 &mtk_clk_gate_ops_setclr_inv)
28 
29 #define GATE_VDEC1(_id, _name, _parent, _shift) \
30 		GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, \
31 			 &mtk_clk_gate_ops_setclr_inv)
32 
33 static const struct mtk_gate vdec_clks[] = {
34 	/* VDEC0 */
35 	GATE_VDEC0(CLK_VDEC_VDEC, "vdec_fvdec_ck", "mm_sel", 0),
36 	/* VDEC1 */
37 	GATE_VDEC1(CLK_VDEC_LARB1, "vdec_flarb1_ck", "mm_sel", 0),
38 };
39 
40 static const struct mtk_clk_desc vdec_desc = {
41 	.clks = vdec_clks,
42 	.num_clks = ARRAY_SIZE(vdec_clks),
43 };
44 
45 static const struct of_device_id of_match_clk_mt8365_vdec[] = {
46 	{
47 		.compatible = "mediatek,mt8365-vdecsys",
48 		.data = &vdec_desc,
49 	}, {
50 		/* sentinel */
51 	}
52 };
53 MODULE_DEVICE_TABLE(of, of_match_clk_mt8365_vdec);
54 
55 static struct platform_driver clk_mt8365_vdec_drv = {
56 	.probe = mtk_clk_simple_probe,
57 	.remove = mtk_clk_simple_remove,
58 	.driver = {
59 		.name = "clk-mt8365-vdec",
60 		.of_match_table = of_match_clk_mt8365_vdec,
61 	},
62 };
63 module_platform_driver(clk_mt8365_vdec_drv);
64 MODULE_LICENSE("GPL");
65