1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2020 MediaTek Inc.
4 * Copyright (c) 2020 BayLibre, SAS
5 * Author: James Liao <jamesjj.liao@mediatek.com>
6 * Fabien Parent <fparent@baylibre.com>
7 */
8
9#include <linux/clk-provider.h>
10#include <linux/mod_devicetable.h>
11#include <linux/platform_device.h>
12
13#include "clk-mtk.h"
14#include "clk-gate.h"
15
16#include <dt-bindings/clock/mt8167-clk.h>
17
18static const struct mtk_gate_regs vdec0_cg_regs = {
19 .set_ofs = 0x0,
20 .clr_ofs = 0x4,
21 .sta_ofs = 0x0,
22};
23
24static const struct mtk_gate_regs vdec1_cg_regs = {
25 .set_ofs = 0x8,
26 .clr_ofs = 0xc,
27 .sta_ofs = 0x8,
28};
29
30#define GATE_VDEC0_I(_id, _name, _parent, _shift) \
31 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
32
33#define GATE_VDEC1_I(_id, _name, _parent, _shift) \
34 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
35
36static const struct mtk_gate vdec_clks[] = {
37 /* VDEC0 */
38 GATE_VDEC0_I(CLK_VDEC_CKEN, "vdec_cken", "rg_vdec", 0),
39 /* VDEC1 */
40 GATE_VDEC1_I(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "smi_mm", 0),
41};
42
43static const struct mtk_clk_desc vdec_desc = {
44 .clks = vdec_clks,
45 .num_clks = ARRAY_SIZE(vdec_clks),
46};
47
48static const struct of_device_id of_match_clk_mt8167_vdec[] = {
49 { .compatible = "mediatek,mt8167-vdecsys", .data = &vdec_desc },
50 { /* sentinel */ }
51};
52MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_vdec);
53
54static struct platform_driver clk_mt8167_vdec_drv = {
55 .probe = mtk_clk_simple_probe,
56 .remove_new = mtk_clk_simple_remove,
57 .driver = {
58 .name = "clk-mt8167-vdecsys",
59 .of_match_table = of_match_clk_mt8167_vdec,
60 },
61};
62module_platform_driver(clk_mt8167_vdec_drv);
63MODULE_LICENSE("GPL");
64

source code of linux/drivers/clk/mediatek/clk-mt8167-vdec.c