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 wpe_cg_regs = {
14 .set_ofs = 0x0,
15 .clr_ofs = 0x0,
16 .sta_ofs = 0x0,
17};
18
19#define GATE_WPE(_id, _name, _parent, _shift) \
20 GATE_MTK(_id, _name, _parent, &wpe_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
21
22static const struct mtk_gate wpe_clks[] = {
23 GATE_WPE(CLK_WPE_CK_EN, "wpe", "top_wpe", 17),
24 GATE_WPE(CLK_WPE_SMI_LARB8_CK_EN, "wpe_smi_larb8", "top_wpe", 19),
25 GATE_WPE(CLK_WPE_SYS_EVENT_TX_CK_EN, "wpe_sys_event_tx", "top_wpe", 20),
26 GATE_WPE(CLK_WPE_SMI_LARB8_PCLK_EN, "wpe_smi_larb8_p_en", "top_wpe", 25),
27};
28
29static const struct mtk_clk_desc wpe_desc = {
30 .clks = wpe_clks,
31 .num_clks = ARRAY_SIZE(wpe_clks),
32};
33
34static const struct of_device_id of_match_clk_mt8186_wpe[] = {
35 {
36 .compatible = "mediatek,mt8186-wpesys",
37 .data = &wpe_desc,
38 }, {
39 /* sentinel */
40 }
41};
42MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_wpe);
43
44static struct platform_driver clk_mt8186_wpe_drv = {
45 .probe = mtk_clk_simple_probe,
46 .remove_new = mtk_clk_simple_remove,
47 .driver = {
48 .name = "clk-mt8186-wpe",
49 .of_match_table = of_match_clk_mt8186_wpe,
50 },
51};
52module_platform_driver(clk_mt8186_wpe_drv);
53MODULE_LICENSE("GPL");
54

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