1// SPDX-License-Identifier: GPL-2.0
2//
3// Copyright (c) 2018 MediaTek Inc.
4// Author: Weiyi Lu <weiyi.lu@mediatek.com>
5
6#include <linux/clk-provider.h>
7#include <linux/platform_device.h>
8
9#include "clk-mtk.h"
10#include "clk-gate.h"
11
12#include <dt-bindings/clock/mt8183-clk.h>
13
14static const struct mtk_gate_regs vdec0_cg_regs = {
15 .set_ofs = 0x0,
16 .clr_ofs = 0x4,
17 .sta_ofs = 0x0,
18};
19
20static const struct mtk_gate_regs vdec1_cg_regs = {
21 .set_ofs = 0x8,
22 .clr_ofs = 0xc,
23 .sta_ofs = 0x8,
24};
25
26#define GATE_VDEC0_I(_id, _name, _parent, _shift) \
27 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, \
28 &mtk_clk_gate_ops_setclr_inv)
29
30#define GATE_VDEC1_I(_id, _name, _parent, _shift) \
31 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, \
32 &mtk_clk_gate_ops_setclr_inv)
33
34static const struct mtk_gate vdec_clks[] = {
35 /* VDEC0 */
36 GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_vdec", "mm_sel", 0),
37 /* VDEC1 */
38 GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1", "mm_sel", 0),
39};
40
41static const struct mtk_clk_desc vdec_desc = {
42 .clks = vdec_clks,
43 .num_clks = ARRAY_SIZE(vdec_clks),
44};
45
46static const struct of_device_id of_match_clk_mt8183_vdec[] = {
47 {
48 .compatible = "mediatek,mt8183-vdecsys",
49 .data = &vdec_desc,
50 }, {
51 /* sentinel */
52 }
53};
54MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_vdec);
55
56static struct platform_driver clk_mt8183_vdec_drv = {
57 .probe = mtk_clk_simple_probe,
58 .remove_new = mtk_clk_simple_remove,
59 .driver = {
60 .name = "clk-mt8183-vdec",
61 .of_match_table = of_match_clk_mt8183_vdec,
62 },
63};
64module_platform_driver(clk_mt8183_vdec_drv);
65MODULE_LICENSE("GPL");
66

source code of linux/drivers/clk/mediatek/clk-mt8183-vdec.c