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1/*
2 * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
3 *
4 * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
5 *
6 * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>
7 *
8 * Licensed under GPLv2 or later.
9 */
10/dts-v1/;
11#include "at91sam9g20.dtsi"
12
13/ {
14	model = "Acme Systems FoxG20";
15	compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
16
17	chosen {
18		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
19	};
20
21	memory {
22		reg = <0x20000000 0x4000000>;
23	};
24
25	clocks {
26		slow_xtal {
27			clock-frequency = <32768>;
28		};
29
30		main_xtal {
31			clock-frequency = <18432000>;
32		};
33	};
34
35	ahb {
36		apb {
37			usb1: gadget@fffa4000 {
38				atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
39				status = "okay";
40			};
41
42			mmc0: mmc@fffa8000 {
43				pinctrl-0 = <
44					&pinctrl_mmc0_clk
45					&pinctrl_mmc0_slot1_cmd_dat0
46					&pinctrl_mmc0_slot1_dat1_3>;
47				status = "okay";
48
49				slot@1 {
50					reg = <1>;
51					bus-width = <4>;
52				};
53			};
54
55			usart0: serial@fffb0000 {
56				pinctrl-0 =
57					<&pinctrl_usart0
58					 &pinctrl_usart0_rts
59					 &pinctrl_usart0_cts
60					>;
61				status = "okay";
62			};
63
64			usart1: serial@fffb4000 {
65				status = "okay";
66			};
67
68			usart2: serial@fffb8000 {
69				status = "okay";
70			};
71
72			macb0: ethernet@fffc4000 {
73				phy-mode = "rmii";
74				status = "okay";
75			};
76
77			usart3: serial@fffd0000 {
78				status = "okay";
79			};
80
81			uart0: serial@fffd4000 {
82				status = "okay";
83			};
84
85			uart1: serial@fffd8000 {
86				status = "okay";
87			};
88
89			dbgu: serial@fffff200 {
90				status = "okay";
91			};
92
93			pinctrl@fffff400 {
94				board {
95					pinctrl_pck0_as_mck: pck0_as_mck {
96						atmel,pins =
97							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
98					};
99				};
100
101				mmc0_slot1 {
102					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
103						atmel,pins =
104							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* CD pin */
105					};
106				};
107
108				i2c0 {
109					pinctrl_i2c0: i2c0-0 {
110						atmel,pins =
111							<AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE	/* TWD (SDA), open drain */
112							 AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>;	/* TWCK (SCL), open drain */
113					};
114				};
115			};
116
117			watchdog@fffffd40 {
118				status = "okay";
119			};
120		};
121
122		usb0: ohci@500000 {
123			num-ports = <2>;
124			status = "okay";
125		};
126	};
127
128	i2c-gpio-0 {
129		pinctrl-names = "default";
130		pinctrl-0 = <&pinctrl_i2c0>;
131		i2c-gpio,delay-us = <5>;	/* ~85 kHz */
132		status = "okay";
133	};
134
135	leds {
136		compatible = "gpio-leds";
137
138		/* red LED marked "PC7" near mini USB (device) receptacle */
139		user_led {
140			label = "user_led";
141			gpios = <&pioC 7 GPIO_ACTIVE_HIGH>;	/* PC7 */
142			linux,default-trigger = "heartbeat";
143		};
144	};
145
146	gpio_keys {
147		compatible = "gpio-keys";
148
149		btn {
150			label = "Button";
151			gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
152			linux,code = <0x103>;
153			wakeup-source;
154		};
155	};
156};
157