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/platform_device.h>
8#include <dt-bindings/clock/mt8186-clk.h>
9
10#include "clk-gate.h"
11#include "clk-mtk.h"
12
13static const struct mtk_gate_regs img_cg_regs = {
14 .set_ofs = 0x4,
15 .clr_ofs = 0x8,
16 .sta_ofs = 0x0,
17};
18
19#define GATE_IMG(_id, _name, _parent, _shift) \
20 GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
21
22static const struct mtk_gate img1_clks[] = {
23 GATE_IMG(CLK_IMG1_LARB9_IMG1, "img1_larb9_img1", "top_img1", 0),
24 GATE_IMG(CLK_IMG1_LARB10_IMG1, "img1_larb10_img1", "top_img1", 1),
25 GATE_IMG(CLK_IMG1_DIP, "img1_dip", "top_img1", 2),
26 GATE_IMG(CLK_IMG1_GALS_IMG1, "img1_gals_img1", "top_img1", 12),
27};
28
29static const struct mtk_gate img2_clks[] = {
30 GATE_IMG(CLK_IMG2_LARB9_IMG2, "img2_larb9_img2", "top_img1", 0),
31 GATE_IMG(CLK_IMG2_LARB10_IMG2, "img2_larb10_img2", "top_img1", 1),
32 GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "top_img1", 6),
33 GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "top_img1", 7),
34 GATE_IMG(CLK_IMG2_MSS, "img2_mss", "top_img1", 8),
35 GATE_IMG(CLK_IMG2_GALS_IMG2, "img2_gals_img2", "top_img1", 12),
36};
37
38static const struct mtk_clk_desc img1_desc = {
39 .clks = img1_clks,
40 .num_clks = ARRAY_SIZE(img1_clks),
41};
42
43static const struct mtk_clk_desc img2_desc = {
44 .clks = img2_clks,
45 .num_clks = ARRAY_SIZE(img2_clks),
46};
47
48static const struct of_device_id of_match_clk_mt8186_img[] = {
49 {
50 .compatible = "mediatek,mt8186-imgsys1",
51 .data = &img1_desc,
52 }, {
53 .compatible = "mediatek,mt8186-imgsys2",
54 .data = &img2_desc,
55 }, {
56 /* sentinel */
57 }
58};
59MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_img);
60
61static struct platform_driver clk_mt8186_img_drv = {
62 .probe = mtk_clk_simple_probe,
63 .remove_new = mtk_clk_simple_remove,
64 .driver = {
65 .name = "clk-mt8186-img",
66 .of_match_table = of_match_clk_mt8186_img,
67 },
68};
69module_platform_driver(clk_mt8186_img_drv);
70MODULE_LICENSE("GPL");
71

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