tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 .id = _id, \
29 .name = _name, \
30 .parent_name = _parent, \
31 .regs = &vdec0_cg_regs, \
32 .shift = _shift, \
33 .ops = &mtk_clk_gate_ops_setclr_inv, \
34 }
35
36#define GATE_VDEC1(_id, _name, _parent, _shift) { \
37 .id = _id, \
38 .name = _name, \
39 .parent_name = _parent, \
40 .regs = &vdec1_cg_regs, \
41 .shift = _shift, \
42 .ops = &mtk_clk_gate_ops_setclr_inv, \
43 }
44
45static const struct mtk_gate vdec_clks[] = {
46 /* VDEC0 */
47 GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0),
48 /* VDEC1 */
49 GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "vdec_sel", 0),
50 GATE_VDEC1(CLK_VDEC_IMGRZ_CKEN, "vdec_imgrz_cken", "vdec_sel", 1),
51};
52
53static const struct mtk_clk_desc vdec_desc = {
54 .clks = vdec_clks,
55 .num_clks = ARRAY_SIZE(vdec_clks),
56};
57
58static const struct of_device_id of_match_clk_mt2712_vdec[] = {
59 {
60 .compatible = "mediatek,mt2712-vdecsys",
61 .data = &vdec_desc,
62 }, {
63 /* sentinel */
64 }
65};
66
67static struct platform_driver clk_mt2712_vdec_drv = {
68 .probe = mtk_clk_simple_probe,
69 .remove = mtk_clk_simple_remove,
70 .driver = {
71 .name = "clk-mt2712-vdec",
72 .of_match_table = of_match_clk_mt2712_vdec,
73 },
74};
75
76builtin_platform_driver(clk_mt2712_vdec_drv);