tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-only
2/* Copyright (c) 2017 MediaTek Inc.
3 * Author: Kevin Chen <kevin-cw.chen@mediatek.com>
4 */
5
6#include <linux/clk-provider.h>
7#include <linux/platform_device.h>
8#include <dt-bindings/clock/mt6797-clk.h>
9
10#include "clk-mtk.h"
11#include "clk-gate.h"
12
13static const struct mtk_gate_regs img_cg_regs = {
14 .set_ofs = 0x0004,
15 .clr_ofs = 0x0008,
16 .sta_ofs = 0x0000,
17};
18
19#define GATE_IMG(_id, _name, _parent, _shift) { \
20 .id = _id, \
21 .name = _name, \
22 .parent_name = _parent, \
23 .regs = &img_cg_regs, \
24 .shift = _shift, \
25 .ops = &mtk_clk_gate_ops_setclr, \
26 }
27
28static const struct mtk_gate img_clks[] = {
29 GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "mm_sel", 11),
30 GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_sel", 10),
31 GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_sel", 6),
32 GATE_IMG(CLK_IMG_LARB6, "img_larb6", "mm_sel", 0),
33};
34
35static const struct mtk_clk_desc img_desc = {
36 .clks = img_clks,
37 .num_clks = ARRAY_SIZE(img_clks),
38};
39
40static const struct of_device_id of_match_clk_mt6797_img[] = {
41 {
42 .compatible = "mediatek,mt6797-imgsys",
43 .data = &img_desc,
44 }, {
45 /* sentinel */
46 }
47};
48
49static struct platform_driver clk_mt6797_img_drv = {
50 .probe = mtk_clk_simple_probe,
51 .remove = mtk_clk_simple_remove,
52 .driver = {
53 .name = "clk-mt6797-img",
54 .of_match_table = of_match_clk_mt6797_img,
55 },
56};
57
58builtin_platform_driver(clk_mt6797_img_drv);