1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright (c) 2021 MediaTek Inc.
4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
5 
6 #include "clk-gate.h"
7 #include "clk-mtk.h"
8 
9 #include <dt-bindings/clock/mt8195-clk.h>
10 #include <linux/clk-provider.h>
11 #include <linux/platform_device.h>
12 
13 static const struct mtk_gate_regs peri_ao_cg_regs = {
14 	.set_ofs = 0x10,
15 	.clr_ofs = 0x14,
16 	.sta_ofs = 0x18,
17 };
18 
19 #define GATE_PERI_AO(_id, _name, _parent, _shift)			\
20 	GATE_MTK(_id, _name, _parent, &peri_ao_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
21 
22 static const struct mtk_gate peri_ao_clks[] = {
23 	GATE_PERI_AO(CLK_PERI_AO_ETHERNET, "peri_ao_ethernet", "top_axi", 0),
24 	GATE_PERI_AO(CLK_PERI_AO_ETHERNET_BUS, "peri_ao_ethernet_bus", "top_axi", 1),
25 	GATE_PERI_AO(CLK_PERI_AO_FLASHIF_BUS, "peri_ao_flashif_bus", "top_axi", 3),
26 	GATE_PERI_AO(CLK_PERI_AO_FLASHIF_FLASH, "peri_ao_flashif_flash", "top_spinor", 5),
27 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_1P_BUS, "peri_ao_ssusb_1p_bus", "top_usb_top_1p", 7),
28 	GATE_PERI_AO(CLK_PERI_AO_SSUSB_1P_XHCI, "peri_ao_ssusb_1p_xhci", "top_ssusb_xhci_1p", 8),
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_SPINFI, "peri_ao_spinfi", "top_spinfi_bclk", 15),
34 	GATE_PERI_AO(CLK_PERI_AO_ETHERNET_MAC, "peri_ao_ethernet_mac", "top_snps_eth_250m", 16),
35 	GATE_PERI_AO(CLK_PERI_AO_NFI_H, "peri_ao_nfi_h", "top_axi", 19),
36 	GATE_PERI_AO(CLK_PERI_AO_FNFI1X, "peri_ao_fnfi1x", "top_nfi1x", 20),
37 	GATE_PERI_AO(CLK_PERI_AO_PCIE_P0_MEM, "peri_ao_pcie_p0_mem", "mem_466m", 24),
38 	GATE_PERI_AO(CLK_PERI_AO_PCIE_P1_MEM, "peri_ao_pcie_p1_mem", "mem_466m", 25),
39 };
40 
41 static const struct mtk_clk_desc peri_ao_desc = {
42 	.clks = peri_ao_clks,
43 	.num_clks = ARRAY_SIZE(peri_ao_clks),
44 };
45 
46 static const struct of_device_id of_match_clk_mt8195_peri_ao[] = {
47 	{
48 		.compatible = "mediatek,mt8195-pericfg_ao",
49 		.data = &peri_ao_desc,
50 	}, {
51 		/* sentinel */
52 	}
53 };
54 MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_peri_ao);
55 
56 static struct platform_driver clk_mt8195_peri_ao_drv = {
57 	.probe = mtk_clk_simple_probe,
58 	.remove = mtk_clk_simple_remove,
59 	.driver = {
60 		.name = "clk-mt8195-peri_ao",
61 		.of_match_table = of_match_clk_mt8195_peri_ao,
62 	},
63 };
64 module_platform_driver(clk_mt8195_peri_ao_drv);
65 MODULE_LICENSE("GPL");
66