1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2017 MediaTek Inc.
4 * Author: Weiyi Lu <weiyi.lu@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/mt2712-clk.h>
14
15static const struct mtk_gate_regs vdec0_cg_regs = {
16 .set_ofs = 0x0,
17 .clr_ofs = 0x4,
18 .sta_ofs = 0x0,
19};
20
21static const struct mtk_gate_regs vdec1_cg_regs = {
22 .set_ofs = 0x8,
23 .clr_ofs = 0xc,
24 .sta_ofs = 0x8,
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
33static const struct mtk_gate vdec_clks[] = {
34 /* VDEC0 */
35 GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0),
36 /* VDEC1 */
37 GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "vdec_sel", 0),
38 GATE_VDEC1(CLK_VDEC_IMGRZ_CKEN, "vdec_imgrz_cken", "vdec_sel", 1),
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_mt2712_vdec[] = {
47 {
48 .compatible = "mediatek,mt2712-vdecsys",
49 .data = &vdec_desc,
50 }, {
51 /* sentinel */
52 }
53};
54MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_vdec);
55
56static struct platform_driver clk_mt2712_vdec_drv = {
57 .probe = mtk_clk_simple_probe,
58 .remove_new = mtk_clk_simple_remove,
59 .driver = {
60 .name = "clk-mt2712-vdec",
61 .of_match_table = of_match_clk_mt2712_vdec,
62 },
63};
64module_platform_driver(clk_mt2712_vdec_drv);
65MODULE_LICENSE("GPL");
66

source code of linux/drivers/clk/mediatek/clk-mt2712-vdec.c