xref: /openbmc/linux/drivers/clk/mediatek/clk-mt8188-ipe.c (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)
1*49c9abe1SGarmin.Chang // SPDX-License-Identifier: GPL-2.0-only
2*49c9abe1SGarmin.Chang /*
3*49c9abe1SGarmin.Chang  * Copyright (c) 2022 MediaTek Inc.
4*49c9abe1SGarmin.Chang  * Author: Garmin Chang <garmin.chang@mediatek.com>
5*49c9abe1SGarmin.Chang  */
6*49c9abe1SGarmin.Chang 
7*49c9abe1SGarmin.Chang #include <dt-bindings/clock/mediatek,mt8188-clk.h>
8*49c9abe1SGarmin.Chang #include <linux/clk-provider.h>
9*49c9abe1SGarmin.Chang #include <linux/platform_device.h>
10*49c9abe1SGarmin.Chang 
11*49c9abe1SGarmin.Chang #include "clk-gate.h"
12*49c9abe1SGarmin.Chang #include "clk-mtk.h"
13*49c9abe1SGarmin.Chang 
14*49c9abe1SGarmin.Chang static const struct mtk_gate_regs ipe_cg_regs = {
15*49c9abe1SGarmin.Chang 	.set_ofs = 0x4,
16*49c9abe1SGarmin.Chang 	.clr_ofs = 0x8,
17*49c9abe1SGarmin.Chang 	.sta_ofs = 0x0,
18*49c9abe1SGarmin.Chang };
19*49c9abe1SGarmin.Chang 
20*49c9abe1SGarmin.Chang #define GATE_IPE(_id, _name, _parent, _shift)			\
21*49c9abe1SGarmin.Chang 	GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
22*49c9abe1SGarmin.Chang 
23*49c9abe1SGarmin.Chang static const struct mtk_gate ipe_clks[] = {
24*49c9abe1SGarmin.Chang 	GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "top_ipe", 0),
25*49c9abe1SGarmin.Chang 	GATE_IPE(CLK_IPE_FDVT, "ipe_fdvt", "top_ipe", 1),
26*49c9abe1SGarmin.Chang 	GATE_IPE(CLK_IPE_ME, "ipe_me", "top_ipe", 2),
27*49c9abe1SGarmin.Chang 	GATE_IPE(CLK_IPESYS_TOP, "ipesys_top", "top_ipe", 3),
28*49c9abe1SGarmin.Chang 	GATE_IPE(CLK_IPE_SMI_LARB12, "ipe_smi_larb12", "top_ipe", 4),
29*49c9abe1SGarmin.Chang };
30*49c9abe1SGarmin.Chang 
31*49c9abe1SGarmin.Chang static const struct mtk_clk_desc ipe_desc = {
32*49c9abe1SGarmin.Chang 	.clks = ipe_clks,
33*49c9abe1SGarmin.Chang 	.num_clks = ARRAY_SIZE(ipe_clks),
34*49c9abe1SGarmin.Chang };
35*49c9abe1SGarmin.Chang 
36*49c9abe1SGarmin.Chang static const struct of_device_id of_match_clk_mt8188_ipe[] = {
37*49c9abe1SGarmin.Chang 	{ .compatible = "mediatek,mt8188-ipesys", .data = &ipe_desc },
38*49c9abe1SGarmin.Chang 	{ /* sentinel */ }
39*49c9abe1SGarmin.Chang };
40*49c9abe1SGarmin.Chang MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ipe);
41*49c9abe1SGarmin.Chang 
42*49c9abe1SGarmin.Chang static struct platform_driver clk_mt8188_ipe_drv = {
43*49c9abe1SGarmin.Chang 	.probe = mtk_clk_simple_probe,
44*49c9abe1SGarmin.Chang 	.remove_new = mtk_clk_simple_remove,
45*49c9abe1SGarmin.Chang 	.driver = {
46*49c9abe1SGarmin.Chang 		.name = "clk-mt8188-ipe",
47*49c9abe1SGarmin.Chang 		.of_match_table = of_match_clk_mt8188_ipe,
48*49c9abe1SGarmin.Chang 	},
49*49c9abe1SGarmin.Chang };
50*49c9abe1SGarmin.Chang 
51*49c9abe1SGarmin.Chang module_platform_driver(clk_mt8188_ipe_drv);
52*49c9abe1SGarmin.Chang MODULE_LICENSE("GPL");
53