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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
4 *
5 * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
6 *
7 * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>
8 */
9/dts-v1/;
10#include "at91sam9g20.dtsi"
11
12/ {
13	model = "Acme Systems FoxG20";
14	compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
15
16	chosen {
17		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
18	};
19
20	memory {
21		reg = <0x20000000 0x4000000>;
22	};
23
24	clocks {
25		slow_xtal {
26			clock-frequency = <32768>;
27		};
28
29		main_xtal {
30			clock-frequency = <18432000>;
31		};
32	};
33
34	ahb {
35		apb {
36			tcb0: timer@fffa0000 {
37				timer@0 {
38					compatible = "atmel,tcb-timer";
39					reg = <0>, <1>;
40				};
41
42				timer@2 {
43					compatible = "atmel,tcb-timer";
44					reg = <2>;
45				};
46			};
47
48			usb1: gadget@fffa4000 {
49				atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
50				status = "okay";
51			};
52
53			mmc0: mmc@fffa8000 {
54				pinctrl-0 = <
55					&pinctrl_mmc0_clk
56					&pinctrl_mmc0_slot1_cmd_dat0
57					&pinctrl_mmc0_slot1_dat1_3>;
58				status = "okay";
59
60				slot@1 {
61					reg = <1>;
62					bus-width = <4>;
63				};
64			};
65
66			usart0: serial@fffb0000 {
67				pinctrl-0 =
68					<&pinctrl_usart0
69					 &pinctrl_usart0_rts
70					 &pinctrl_usart0_cts
71					>;
72				status = "okay";
73			};
74
75			usart1: serial@fffb4000 {
76				status = "okay";
77			};
78
79			usart2: serial@fffb8000 {
80				status = "okay";
81			};
82
83			macb0: ethernet@fffc4000 {
84				phy-mode = "rmii";
85				status = "okay";
86			};
87
88			usart3: serial@fffd0000 {
89				status = "okay";
90			};
91
92			uart0: serial@fffd4000 {
93				status = "okay";
94			};
95
96			uart1: serial@fffd8000 {
97				status = "okay";
98			};
99
100			dbgu: serial@fffff200 {
101				status = "okay";
102			};
103
104			pinctrl@fffff400 {
105				board {
106					pinctrl_pck0_as_mck: pck0_as_mck {
107						atmel,pins =
108							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
109					};
110				};
111
112				mmc0_slot1 {
113					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
114						atmel,pins =
115							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* CD pin */
116					};
117				};
118
119				i2c0 {
120					pinctrl_i2c0: i2c0-0 {
121						atmel,pins =
122							<AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE	/* TWD (SDA), open drain */
123							 AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>;	/* TWCK (SCL), open drain */
124					};
125				};
126			};
127
128			watchdog@fffffd40 {
129				status = "okay";
130			};
131		};
132
133		usb0: ohci@500000 {
134			num-ports = <2>;
135			status = "okay";
136		};
137	};
138
139	i2c-gpio-0 {
140		pinctrl-names = "default";
141		pinctrl-0 = <&pinctrl_i2c0>;
142		i2c-gpio,delay-us = <5>;	/* ~85 kHz */
143		status = "okay";
144	};
145
146	leds {
147		compatible = "gpio-leds";
148
149		/* red LED marked "PC7" near mini USB (device) receptacle */
150		user_led {
151			label = "user_led";
152			gpios = <&pioC 7 GPIO_ACTIVE_HIGH>;	/* PC7 */
153			linux,default-trigger = "heartbeat";
154		};
155	};
156
157	gpio_keys {
158		compatible = "gpio-keys";
159
160		btn {
161			label = "Button";
162			gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
163			linux,code = <0x103>;
164			wakeup-source;
165		};
166	};
167};
168