clk-mt2701-img.c

 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_DUMMY(CLK_DUMMY, "img_dummy"),
26	GATE_IMG(CLK_IMG_SMI_COMM, "img_smi_comm", "mm_sel", 0),
27	GATE_IMG(CLK_IMG_RESZ, "img_resz", "mm_sel", 1),
28	GATE_IMG(CLK_IMG_JPGDEC_SMI, "img_jpgdec_smi", "mm_sel", 5),
29	GATE_IMG(CLK_IMG_JPGDEC, "img_jpgdec", "mm_sel", 6),
30	GATE_IMG(CLK_IMG_VENC_LT, "img_venc_lt", "mm_sel", 8),
31	GATE_IMG(CLK_IMG_VENC, "img_venc", "mm_sel", 9),
32};
33
34static const struct mtk_clk_desc img_desc = {
35	.clks = img_clks,
36	.num_clks = ARRAY_SIZE(img_clks),
37};
38
39static const struct of_device_id of_match_clk_mt2701_img[] = {
40	{
41		.compatible = "mediatek,mt2701-imgsys",
42		.data = &img_desc,
43	}, {
44		/* sentinel */
45	}
46};
47MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_img);
48
49static struct platform_driver clk_mt2701_img_drv = {
50	.probe = mtk_clk_simple_probe,
51	.remove = mtk_clk_simple_remove,
52	.driver = {
53		.name = "clk-mt2701-img",
54		.of_match_table = of_match_clk_mt2701_img,
55	},
56};
57module_platform_driver(clk_mt2701_img_drv);
58
59MODULE_DESCRIPTION("MediaTek MT2701 imgsys clocks driver");
60MODULE_LICENSE("GPL");