1/* 2 * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board 3 * 4 * Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com> 5 * 6 * Licensed under GPLv2 only. 7 */ 8/dts-v1/; 9#include "at91sam9261.dtsi" 10 11/ { 12 model = "Atmel at91sam9261ek"; 13 compatible = "atmel,at91sam9261ek", "atmel,at91sam9261", "atmel,at91sam9"; 14 15 chosen { 16 bootargs = "rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw"; 17 stdout-path = "serial0:115200n8"; 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 usb0: ohci@00500000 { 36 status = "okay"; 37 }; 38 39 fb0: fb@0x00600000 { 40 display = <&display0>; 41 atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>; 42 status = "okay"; 43 44 display0: display { 45 bits-per-pixel = <16>; 46 atmel,lcdcon-backlight; 47 atmel,dmacon = <0x1>; 48 atmel,lcdcon2 = <0x80008002>; 49 atmel,guard-time = <1>; 50 atmel,lcd-wiring-mode = "BRG"; 51 52 display-timings { 53 native-mode = <&timing0>; 54 timing0: timing0 { 55 clock-frequency = <4965000>; 56 hactive = <240>; 57 vactive = <320>; 58 hback-porch = <1>; 59 hfront-porch = <33>; 60 vback-porch = <1>; 61 vfront-porch = <0>; 62 hsync-len = <5>; 63 vsync-len = <1>; 64 hsync-active = <1>; 65 vsync-active = <1>; 66 }; 67 }; 68 }; 69 }; 70 71 nand0: nand@40000000 { 72 nand-bus-width = <8>; 73 nand-ecc-mode = "soft"; 74 nand-on-flash-bbt; 75 status = "okay"; 76 77 at91bootstrap@0 { 78 label = "at91bootstrap"; 79 reg = <0x0 0x40000>; 80 }; 81 82 bootloader@40000 { 83 label = "bootloader"; 84 reg = <0x40000 0x80000>; 85 }; 86 87 bootloaderenv@c0000 { 88 label = "bootloader env"; 89 reg = <0xc0000 0xc0000>; 90 }; 91 92 dtb@180000 { 93 label = "device tree"; 94 reg = <0x180000 0x80000>; 95 }; 96 97 kernel@200000 { 98 label = "kernel"; 99 reg = <0x200000 0x600000>; 100 }; 101 102 rootfs@800000 { 103 label = "rootfs"; 104 reg = <0x800000 0x0f800000>; 105 }; 106 }; 107 108 apb { 109 usb1: gadget@fffa4000 { 110 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>; 111 status = "okay"; 112 }; 113 114 spi0: spi@fffc8000 { 115 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>; 116 status = "okay"; 117 118 mtd_dataflash@0 { 119 compatible = "atmel,at45", "atmel,dataflash"; 120 reg = <0>; 121 spi-max-frequency = <15000000>; 122 }; 123 124 tsc2046@2 { 125 reg = <2>; 126 compatible = "ti,ads7843"; 127 interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>; 128 spi-max-frequency = <3000000>; 129 pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>; 130 131 ti,x-min = /bits/ 16 <150>; 132 ti,x-max = /bits/ 16 <3830>; 133 ti,y-min = /bits/ 16 <190>; 134 ti,y-max = /bits/ 16 <3830>; 135 ti,vref-delay-usecs = /bits/ 16 <450>; 136 ti,x-plate-ohms = /bits/ 16 <450>; 137 ti,y-plate-ohms = /bits/ 16 <250>; 138 ti,pressure-max = /bits/ 16 <15000>; 139 ti,debounce-rep = /bits/ 16 <0>; 140 ti,debounce-tol = /bits/ 16 <65535>; 141 ti,debounce-max = /bits/ 16 <1>; 142 143 wakeup-source; 144 }; 145 }; 146 147 dbgu: serial@fffff200 { 148 status = "okay"; 149 }; 150 151 watchdog@fffffd40 { 152 status = "okay"; 153 }; 154 155 }; 156 }; 157 158 leds { 159 compatible = "gpio-leds"; 160 161 ds8 { 162 label = "ds8"; 163 gpios = <&pioA 13 GPIO_ACTIVE_LOW>; 164 linux,default-trigger = "none"; 165 }; 166 167 ds7 { 168 label = "ds7"; 169 gpios = <&pioA 14 GPIO_ACTIVE_LOW>; 170 linux,default-trigger = "nand-disk"; 171 }; 172 173 ds1 { 174 label = "ds1"; 175 gpios = <&pioA 23 GPIO_ACTIVE_LOW>; 176 linux,default-trigger = "heartbeat"; 177 }; 178 }; 179 180 gpio_keys { 181 compatible = "gpio-keys"; 182 183 button_0 { 184 label = "button_0"; 185 gpios = <&pioA 27 GPIO_ACTIVE_LOW>; 186 linux,code = <256>; 187 wakeup-source; 188 }; 189 190 button_1 { 191 label = "button_1"; 192 gpios = <&pioA 26 GPIO_ACTIVE_LOW>; 193 linux,code = <257>; 194 wakeup-source; 195 }; 196 197 button_2 { 198 label = "button_2"; 199 gpios = <&pioA 25 GPIO_ACTIVE_LOW>; 200 linux,code = <258>; 201 wakeup-source; 202 }; 203 204 button_3 { 205 label = "button_3"; 206 gpios = <&pioA 24 GPIO_ACTIVE_LOW>; 207 linux,code = <259>; 208 wakeup-source; 209 }; 210 }; 211}; 212