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 
13 static 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 
22 static 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 
29 static const struct mtk_clk_desc wpe_desc = {
30 	.clks = wpe_clks,
31 	.num_clks = ARRAY_SIZE(wpe_clks),
32 };
33 
34 static 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 };
42 MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_wpe);
43 
44 static struct platform_driver clk_mt8186_wpe_drv = {
45 	.probe = mtk_clk_simple_probe,
46 	.remove = mtk_clk_simple_remove,
47 	.driver = {
48 		.name = "clk-mt8186-wpe",
49 		.of_match_table = of_match_clk_mt8186_wpe,
50 	},
51 };
52 module_platform_driver(clk_mt8186_wpe_drv);
53 MODULE_LICENSE("GPL");
54