1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2022 Collabora Ltd.
4  * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
5  */
6 
7 #include <dt-bindings/clock/mediatek,mt6795-clk.h>
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include "clk-gate.h"
11 #include "clk-mtk.h"
12 
13 #define GATE_VDEC(_id, _name, _parent, _regs)			\
14 		GATE_MTK(_id, _name, _parent, _regs, 0,		\
15 			 &mtk_clk_gate_ops_setclr_inv)
16 
17 static const struct mtk_gate_regs vdec0_cg_regs = {
18 	.set_ofs = 0x0000,
19 	.clr_ofs = 0x0004,
20 	.sta_ofs = 0x0000,
21 };
22 
23 static const struct mtk_gate_regs vdec1_cg_regs = {
24 	.set_ofs = 0x0008,
25 	.clr_ofs = 0x000c,
26 	.sta_ofs = 0x0008,
27 };
28 
29 static const struct mtk_gate vdec_clks[] = {
30 	GATE_VDEC(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", &vdec0_cg_regs),
31 	GATE_VDEC(CLK_VDEC_LARB_CKEN, "vdec_larb_cken", "mm_sel", &vdec1_cg_regs),
32 };
33 
34 static const struct mtk_clk_desc vdec_desc = {
35 	.clks = vdec_clks,
36 	.num_clks = ARRAY_SIZE(vdec_clks),
37 };
38 
39 static const struct of_device_id of_match_clk_mt6795_vdecsys[] = {
40 	{ .compatible = "mediatek,mt6795-vdecsys", .data = &vdec_desc },
41 	{ /* sentinel */ }
42 };
43 MODULE_DEVICE_TABLE(of, of_match_clk_mt6795_vdecsys);
44 
45 static struct platform_driver clk_mt6795_vdecsys_drv = {
46 	.probe = mtk_clk_simple_probe,
47 	.remove = mtk_clk_simple_remove,
48 	.driver = {
49 		.name = "clk-mt6795-vdecsys",
50 		.of_match_table = of_match_clk_mt6795_vdecsys,
51 	},
52 };
53 module_platform_driver(clk_mt6795_vdecsys_drv);
54 
55 MODULE_DESCRIPTION("MediaTek MT6795 vdecsys clocks driver");
56 MODULE_LICENSE("GPL");
57