1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2014 MediaTek Inc.
4 * Author: Shunli Wang <shunli.wang@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/mt2701-clk.h>
14
15static const struct mtk_gate_regs img_cg_regs = {
16 .set_ofs = 0x0004,
17 .clr_ofs = 0x0008,
18 .sta_ofs = 0x0000,
19};
20
21#define GATE_IMG(_id, _name, _parent, _shift) \
22 GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
23
24static const struct mtk_gate img_clks[] = {
25 GATE_IMG(CLK_IMG_SMI_COMM, "img_smi_comm", "mm_sel", 0),
26 GATE_IMG(CLK_IMG_RESZ, "img_resz", "mm_sel", 1),
27 GATE_IMG(CLK_IMG_JPGDEC_SMI, "img_jpgdec_smi", "mm_sel", 5),
28 GATE_IMG(CLK_IMG_JPGDEC, "img_jpgdec", "mm_sel", 6),
29 GATE_IMG(CLK_IMG_VENC_LT, "img_venc_lt", "mm_sel", 8),
30 GATE_IMG(CLK_IMG_VENC, "img_venc", "mm_sel", 9),
31};
32
33static const struct mtk_clk_desc img_desc = {
34 .clks = img_clks,
35 .num_clks = ARRAY_SIZE(img_clks),
36};
37
38static const struct of_device_id of_match_clk_mt2701_img[] = {
39 {
40 .compatible = "mediatek,mt2701-imgsys",
41 .data = &img_desc,
42 }, {
43 /* sentinel */
44 }
45};
46MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_img);
47
48static struct platform_driver clk_mt2701_img_drv = {
49 .probe = mtk_clk_simple_probe,
50 .remove_new = mtk_clk_simple_remove,
51 .driver = {
52 .name = "clk-mt2701-img",
53 .of_match_table = of_match_clk_mt2701_img,
54 },
55};
56module_platform_driver(clk_mt2701_img_drv);
57MODULE_LICENSE("GPL");
58

source code of linux/drivers/clk/mediatek/clk-mt2701-img.c