1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2022 MediaTek Inc.
4  */
5 
6 #include <dt-bindings/clock/mediatek,mt8365-clk.h>
7 #include <linux/clk-provider.h>
8 #include <linux/platform_device.h>
9 
10 #include "clk-gate.h"
11 #include "clk-mtk.h"
12 
13 static const struct mtk_gate_regs apu_cg_regs = {
14 	.set_ofs = 0x4,
15 	.clr_ofs = 0x8,
16 	.sta_ofs = 0x0,
17 };
18 
19 #define GATE_APU(_id, _name, _parent, _shift) \
20 		GATE_MTK(_id, _name, _parent, &apu_cg_regs, _shift, \
21 			 &mtk_clk_gate_ops_setclr)
22 
23 static const struct mtk_gate apu_clks[] = {
24 	GATE_APU(CLK_APU_AHB, "apu_ahb", "ifr_apu_axi", 5),
25 	GATE_APU(CLK_APU_EDMA, "apu_edma", "apu_sel", 4),
26 	GATE_APU(CLK_APU_IF_CK, "apu_if_ck", "apu_if_sel", 3),
27 	GATE_APU(CLK_APU_JTAG, "apu_jtag", "clk26m", 2),
28 	GATE_APU(CLK_APU_AXI, "apu_axi", "apu_sel", 1),
29 	GATE_APU(CLK_APU_IPU_CK, "apu_ck", "apu_sel", 0),
30 };
31 
32 static const struct mtk_clk_desc apu_desc = {
33 	.clks = apu_clks,
34 	.num_clks = ARRAY_SIZE(apu_clks),
35 };
36 
37 static const struct of_device_id of_match_clk_mt8365_apu[] = {
38 	{
39 		.compatible = "mediatek,mt8365-apu",
40 		.data = &apu_desc,
41 	}, {
42 		/* sentinel */
43 	}
44 };
45 MODULE_DEVICE_TABLE(of, of_match_clk_mt8365_apu);
46 
47 static struct platform_driver clk_mt8365_apu_drv = {
48 	.probe = mtk_clk_simple_probe,
49 	.remove_new = mtk_clk_simple_remove,
50 	.driver = {
51 		.name = "clk-mt8365-apu",
52 		.of_match_table = of_match_clk_mt8365_apu,
53 	},
54 };
55 module_platform_driver(clk_mt8365_apu_drv);
56 MODULE_LICENSE("GPL");
57