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			tcb0: timer@fffa0000 {
 38				timer@0 {
 39					compatible = "atmel,tcb-timer";
 40					reg = <0>, <1>;
 41				};
 42
 43				timer@2 {
 44					compatible = "atmel,tcb-timer";
 45					reg = <2>;
 46				};
 47			};
 48
 49			usb1: gadget@fffa4000 {
 50				atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
 51				status = "okay";
 52			};
 53
 54			mmc0: mmc@fffa8000 {
 55				pinctrl-0 = <
 56					&pinctrl_mmc0_clk
 57					&pinctrl_mmc0_slot1_cmd_dat0
 58					&pinctrl_mmc0_slot1_dat1_3>;
 59				status = "okay";
 60
 61				slot@1 {
 62					reg = <1>;
 63					bus-width = <4>;
 64				};
 65			};
 66
 67			usart0: serial@fffb0000 {
 68				pinctrl-0 =
 69					<&pinctrl_usart0
 70					 &pinctrl_usart0_rts
 71					 &pinctrl_usart0_cts
 72					>;
 73				status = "okay";
 74			};
 75
 76			usart1: serial@fffb4000 {
 77				status = "okay";
 78			};
 79
 80			usart2: serial@fffb8000 {
 81				status = "okay";
 82			};
 83
 84			macb0: ethernet@fffc4000 {
 85				phy-mode = "rmii";
 86				status = "okay";
 87			};
 88
 89			usart3: serial@fffd0000 {
 90				status = "okay";
 91			};
 92
 93			uart0: serial@fffd4000 {
 94				status = "okay";
 95			};
 96
 97			uart1: serial@fffd8000 {
 98				status = "okay";
 99			};
100
101			dbgu: serial@fffff200 {
102				status = "okay";
103			};
104
105			pinctrl@fffff400 {
106				board {
107					pinctrl_pck0_as_mck: pck0_as_mck {
108						atmel,pins =
109							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
110					};
111				};
112
113				mmc0_slot1 {
114					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
115						atmel,pins =
116							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* CD pin */
117					};
118				};
119
120				i2c0 {
121					pinctrl_i2c0: i2c0-0 {
122						atmel,pins =
123							<AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE	/* TWD (SDA), open drain */
124							 AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>;	/* TWCK (SCL), open drain */
125					};
126				};
127			};
128
129			watchdog@fffffd40 {
130				status = "okay";
131			};
132		};
133
134		usb0: ohci@500000 {
135			num-ports = <2>;
136			status = "okay";
137		};
138	};
139
140	i2c-gpio-0 {
141		pinctrl-names = "default";
142		pinctrl-0 = <&pinctrl_i2c0>;
143		i2c-gpio,delay-us = <5>;	/* ~85 kHz */
144		status = "okay";
145	};
146
147	leds {
148		compatible = "gpio-leds";
149
150		/* red LED marked "PC7" near mini USB (device) receptacle */
151		user_led {
152			label = "user_led";
153			gpios = <&pioC 7 GPIO_ACTIVE_HIGH>;	/* PC7 */
154			linux,default-trigger = "heartbeat";
155		};
156	};
157
158	gpio_keys {
159		compatible = "gpio-keys";
160
161		btn {
162			label = "Button";
163			gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
164			linux,code = <0x103>;
165			wakeup-source;
166		};
167	};
168};