1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2022 MediaTek Inc.
4 * Author: Garmin Chang <garmin.chang@mediatek.com>
5 */
6
7#include <dt-bindings/clock/mediatek,mt8188-clk.h>
8#include <linux/clk-provider.h>
9#include <linux/platform_device.h>
10
11#include "clk-gate.h"
12#include "clk-mtk.h"
13
14static const struct mtk_gate_regs ccu_cg_regs = {
15 .set_ofs = 0x4,
16 .clr_ofs = 0x8,
17 .sta_ofs = 0x0,
18};
19
20#define GATE_CCU(_id, _name, _parent, _shift) \
21 GATE_MTK(_id, _name, _parent, &ccu_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
22
23static const struct mtk_gate ccu_clks[] = {
24 GATE_CCU(CLK_CCU_LARB27, "ccu_larb27", "top_ccu", 0),
25 GATE_CCU(CLK_CCU_AHB, "ccu_ahb", "top_ccu", 1),
26 GATE_CCU(CLK_CCU_CCU0, "ccu_ccu0", "top_ccu", 2),
27};
28
29static const struct mtk_clk_desc ccu_desc = {
30 .clks = ccu_clks,
31 .num_clks = ARRAY_SIZE(ccu_clks),
32};
33
34static const struct of_device_id of_match_clk_mt8188_ccu[] = {
35 { .compatible = "mediatek,mt8188-ccusys", .data = &ccu_desc },
36 { /* sentinel */ }
37};
38MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ccu);
39
40static struct platform_driver clk_mt8188_ccu_drv = {
41 .probe = mtk_clk_simple_probe,
42 .remove_new = mtk_clk_simple_remove,
43 .driver = {
44 .name = "clk-mt8188-ccu",
45 .of_match_table = of_match_clk_mt8188_ccu,
46 },
47};
48
49module_platform_driver(clk_mt8188_ccu_drv);
50MODULE_LICENSE("GPL");
51

source code of linux/drivers/clk/mediatek/clk-mt8188-ccu.c