1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright (c) 2022 MediaTek Inc.
4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
5
6#include <linux/clk-provider.h>
7#include <linux/module.h>
8#include <linux/platform_device.h>
9
10#include "clk-mtk.h"
11#include "clk-gate.h"
12
13#include <dt-bindings/clock/mt8186-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 = 0x190,
23 .clr_ofs = 0x190,
24 .sta_ofs = 0x190,
25};
26
27static const struct mtk_gate_regs vdec2_cg_regs = {
28 .set_ofs = 0x200,
29 .clr_ofs = 0x204,
30 .sta_ofs = 0x200,
31};
32
33static const struct mtk_gate_regs vdec3_cg_regs = {
34 .set_ofs = 0x8,
35 .clr_ofs = 0xc,
36 .sta_ofs = 0x8,
37};
38
39#define GATE_VDEC0(_id, _name, _parent, _shift) \
40 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
41
42#define GATE_VDEC1(_id, _name, _parent, _shift) \
43 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
44
45#define GATE_VDEC2(_id, _name, _parent, _shift) \
46 GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
47
48#define GATE_VDEC3(_id, _name, _parent, _shift) \
49 GATE_MTK(_id, _name, _parent, &vdec3_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
50
51static const struct mtk_gate vdec_clks[] = {
52 /* VDEC0 */
53 GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "top_vdec", 0),
54 GATE_VDEC0(CLK_VDEC_ACTIVE, "vdec_active", "top_vdec", 4),
55 GATE_VDEC0(CLK_VDEC_CKEN_ENG, "vdec_cken_eng", "top_vdec", 8),
56 /* VDEC1 */
57 GATE_VDEC1(CLK_VDEC_MINI_MDP_CKEN_CFG_RG, "vdec_mini_mdp_cken_cfg_rg", "top_vdec", 0),
58 /* VDEC2 */
59 GATE_VDEC2(CLK_VDEC_LAT_CKEN, "vdec_lat_cken", "top_vdec", 0),
60 GATE_VDEC2(CLK_VDEC_LAT_ACTIVE, "vdec_lat_active", "top_vdec", 4),
61 GATE_VDEC2(CLK_VDEC_LAT_CKEN_ENG, "vdec_lat_cken_eng", "top_vdec", 8),
62 /* VDEC3 */
63 GATE_VDEC3(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "top_vdec", 0),
64};
65
66static const struct mtk_clk_desc vdec_desc = {
67 .clks = vdec_clks,
68 .num_clks = ARRAY_SIZE(vdec_clks),
69};
70
71static const struct of_device_id of_match_clk_mt8186_vdec[] = {
72 {
73 .compatible = "mediatek,mt8186-vdecsys",
74 .data = &vdec_desc,
75 }, {
76 /* sentinel */
77 }
78};
79MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_vdec);
80
81static struct platform_driver clk_mt8186_vdec_drv = {
82 .probe = mtk_clk_simple_probe,
83 .remove_new = mtk_clk_simple_remove,
84 .driver = {
85 .name = "clk-mt8186-vdec",
86 .of_match_table = of_match_clk_mt8186_vdec,
87 },
88};
89module_platform_driver(clk_mt8186_vdec_drv);
90MODULE_LICENSE("GPL");
91

source code of linux/drivers/clk/mediatek/clk-mt8186-vdec.c