1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2019 MediaTek Inc.
4 * Author: Wendell Lin <wendell.lin@mediatek.com>
5 */
6
7#include <linux/module.h>
8#include <linux/clk-provider.h>
9#include <linux/platform_device.h>
10
11#include "clk-mtk.h"
12#include "clk-gate.h"
13
14#include <dt-bindings/clock/mt6779-clk.h>
15
16static const struct mtk_gate_regs vdec0_cg_regs = {
17 .set_ofs = 0x0000,
18 .clr_ofs = 0x0004,
19 .sta_ofs = 0x0000,
20};
21
22static const struct mtk_gate_regs vdec1_cg_regs = {
23 .set_ofs = 0x0008,
24 .clr_ofs = 0x000c,
25 .sta_ofs = 0x0008,
26};
27
28#define GATE_VDEC0_I(_id, _name, _parent, _shift) \
29 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, \
30 &mtk_clk_gate_ops_setclr_inv)
31#define GATE_VDEC1_I(_id, _name, _parent, _shift) \
32 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, \
33 &mtk_clk_gate_ops_setclr_inv)
34
35static const struct mtk_gate vdec_clks[] = {
36 /* VDEC0 */
37 GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_cken", "vdec_sel", 0),
38 /* VDEC1 */
39 GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1_cken", "vdec_sel", 0),
40};
41
42static const struct mtk_clk_desc vdec_desc = {
43 .clks = vdec_clks,
44 .num_clks = ARRAY_SIZE(vdec_clks),
45};
46
47static const struct of_device_id of_match_clk_mt6779_vdec[] = {
48 {
49 .compatible = "mediatek,mt6779-vdecsys",
50 .data = &vdec_desc,
51 }, {
52 /* sentinel */
53 }
54};
55MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_vdec);
56
57static struct platform_driver clk_mt6779_vdec_drv = {
58 .probe = mtk_clk_simple_probe,
59 .remove_new = mtk_clk_simple_remove,
60 .driver = {
61 .name = "clk-mt6779-vdec",
62 .of_match_table = of_match_clk_mt6779_vdec,
63 },
64};
65
66module_platform_driver(clk_mt6779_vdec_drv);
67MODULE_LICENSE("GPL");
68

source code of linux/drivers/clk/mediatek/clk-mt6779-vdec.c