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 img_cg_regs = {
19 .set_ofs = 0x4,
20 .clr_ofs = 0x8,
21 .sta_ofs = 0x0,
22};
23
24#define GATE_IMG(_id, _name, _parent, _shift) \
25 GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
26
27static const struct mtk_gate img_clks[] = {
28 GATE_IMG(CLK_IMG_LARB1_SMI, "img_larb1_smi", "smi_mm", 0),
29 GATE_IMG(CLK_IMG_CAM_SMI, "img_cam_smi", "smi_mm", 5),
30 GATE_IMG(CLK_IMG_CAM_CAM, "img_cam_cam", "smi_mm", 6),
31 GATE_IMG(CLK_IMG_SEN_TG, "img_sen_tg", "cam_mm", 7),
32 GATE_IMG(CLK_IMG_SEN_CAM, "img_sen_cam", "smi_mm", 8),
33 GATE_IMG(CLK_IMG_VENC, "img_venc", "smi_mm", 9),
34};
35
36static const struct mtk_clk_desc img_desc = {
37 .clks = img_clks,
38 .num_clks = ARRAY_SIZE(img_clks),
39};
40
41static const struct of_device_id of_match_clk_mt8167_imgsys[] = {
42 { .compatible = "mediatek,mt8167-imgsys", .data = &img_desc },
43 { /* sentinel */ }
44};
45MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_imgsys);
46
47static struct platform_driver clk_mt8167_imgsys_drv = {
48 .probe = mtk_clk_simple_probe,
49 .remove_new = mtk_clk_simple_remove,
50 .driver = {
51 .name = "clk-mt8167-imgsys",
52 .of_match_table = of_match_clk_mt8167_imgsys,
53 },
54};
55module_platform_driver(clk_mt8167_imgsys_drv);
56MODULE_LICENSE("GPL");
57

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