at91-foxg20.dts revision 262569 
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		#address-cells = <1>;
27		#size-cells = <1>;
28		ranges;
29
30		main_clock: clock@0 {
31			compatible = "atmel,osc", "fixed-clock";
32			clock-frequency = <18432000>;
33		};
34	};
35
36	ahb {
37		apb {
38			usb1: gadget@fffa4000 {
39				atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
40				status = "okay";
41			};
42
43			mmc0: mmc@fffa8000 {
44				pinctrl-0 = <
45					&pinctrl_mmc0_clk
46					&pinctrl_mmc0_slot1_cmd_dat0
47					&pinctrl_mmc0_slot1_dat1_3>;
48				status = "okay";
49
50				slot@1 {
51					reg = <1>;
52					bus-width = <4>;
53				};
54			};
55
56			usart0: serial@fffb0000 {
57				pinctrl-0 =
58					<&pinctrl_usart0
59					 &pinctrl_usart0_rts
60					 &pinctrl_usart0_cts
61					>;
62				status = "okay";
63			};
64
65			usart1: serial@fffb4000 {
66				status = "okay";
67			};
68
69			usart2: serial@fffb8000 {
70				status = "okay";
71			};
72
73			macb0: ethernet@fffc4000 {
74				phy-mode = "rmii";
75				status = "okay";
76			};
77
78			usart3: serial@fffd0000 {
79				status = "okay";
80			};
81
82			uart0: serial@fffd4000 {
83				status = "okay";
84			};
85
86			uart1: serial@fffd8000 {
87				status = "okay";
88			};
89
90			dbgu: serial@fffff200 {
91				status = "okay";
92			};
93
94			pinctrl@fffff400 {
95				board {
96					pinctrl_pck0_as_mck: pck0_as_mck {
97						atmel,pins =
98							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
99					};
100				};
101
102				mmc0_slot1 {
103					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
104						atmel,pins =
105							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* CD pin */
106					};
107				};
108
109				i2c0 {
110					pinctrl_i2c0: i2c0-0 {
111						atmel,pins =
112							<AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE	/* TWD (SDA), open drain */
113							 AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>;	/* TWCK (SCL), open drain */
114					};
115				};
116			};
117
118			watchdog@fffffd40 {
119				status = "okay";
120			};
121		};
122
123		usb0: ohci@00500000 {
124			num-ports = <2>;
125			status = "okay";
126		};
127	};
128
129	i2c@0 {
130		pinctrl-names = "default";
131		pinctrl-0 = <&pinctrl_i2c0>;
132		i2c-gpio,delay-us = <5>;	/* ~85 kHz */
133		status = "okay";
134	};
135
136	leds {
137		compatible = "gpio-leds";
138
139		/* red LED marked "PC7" near mini USB (device) receptacle */
140		user_led {
141			label = "user_led";
142			gpios = <&pioC 7 GPIO_ACTIVE_HIGH>;	/* PC7 */
143			linux,default-trigger = "heartbeat";
144		};
145	};
146
147	gpio_keys {
148		compatible = "gpio-keys";
149
150		btn {
151			label = "Button";
152			gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
153			linux,code = <0x103>;
154			gpio-key,wakeup;
155		};
156	};
157};
158