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 
14 static const struct mtk_gate_regs peri_ao_cg_regs = {
15 	.set_ofs = 0x10,
16 	.clr_ofs = 0x14,
17 	.sta_ofs = 0x18,
18 };
19 
20 #define GATE_PERI_AO(_id, _name, _parent, _shift)			\
21 	GATE_MTK(_id, _name, _parent, &peri_ao_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
22 
23 static const struct mtk_gate peri_ao_clks[] = {
24 	GATE_PERI_AO(CLK_PERI_AO_ETHERNET, "peri_ao_ethernet", "top_axi", 0),
25 	GATE_PERI_AO(CLK_PERI_AO_ETHERNET_BUS, "peri_ao_ethernet_bus", "top_axi", 1),
26 	GATE_PERI_AO(CLK_PERI_AO_FLASHIF_BUS, "peri_ao_flashif_bus", "top_axi", 3),
27 	GATE_PERI_AO(CLK_PERI_AO_FLASHIF_26M, "peri_ao_flashif_26m", "clk26m", 4),
28 	GATE_PERI_AO(CLK_PERI_AO_FLASHIFLASHCK, "peri_ao_flashiflashck", "top_spinor", 5),
29 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_BUS, "peri_ao_ssusb_2p_bus", "top_usb_top_2p", 9),
30 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_XHCI, "peri_ao_ssusb_2p_xhci", "top_ssusb_xhci_2p", 10),
31 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_BUS, "peri_ao_ssusb_3p_bus", "top_usb_top_3p", 11),
32 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_XHCI, "peri_ao_ssusb_3p_xhci", "top_ssusb_xhci_3p", 12),
33 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_BUS, "peri_ao_ssusb_bus", "top_usb_top", 13),
34 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_XHCI, "peri_ao_ssusb_xhci", "top_ssusb_xhci", 14),
35 	GATE_PERI_AO(CLK_PERI_AO_ETHERNET_MAC, "peri_ao_ethernet_mac_clk", "top_snps_eth_250m", 16),
36 	GATE_PERI_AO(CLK_PERI_AO_PCIE_P0_FMEM, "peri_ao_pcie_p0_fmem", "hd_466m_fmem_ck", 24),
37 };
38 
39 static const struct mtk_clk_desc peri_ao_desc = {
40 	.clks = peri_ao_clks,
41 	.num_clks = ARRAY_SIZE(peri_ao_clks),
42 };
43 
44 static const struct of_device_id of_match_clk_mt8188_peri_ao[] = {
45 	{ .compatible = "mediatek,mt8188-pericfg-ao", .data = &peri_ao_desc },
46 	{ /* sentinel */ }
47 };
48 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_peri_ao);
49 
50 static struct platform_driver clk_mt8188_peri_ao_drv = {
51 	.probe = mtk_clk_simple_probe,
52 	.remove_new = mtk_clk_simple_remove,
53 	.driver = {
54 		.name = "clk-mt8188-peri_ao",
55 		.of_match_table = of_match_clk_mt8188_peri_ao,
56 	},
57 };
58 module_platform_driver(clk_mt8188_peri_ao_drv);
59 MODULE_LICENSE("GPL");
60