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