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 ebi: ebi@10000000 { 72 status = "okay"; 73 74 nand_controller: nand-controller { 75 status = "okay"; 76 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>; 77 pinctrl-names = "default"; 78 79 nand@3 { 80 reg = <0x3 0x0 0x800000>; 81 rb-gpios = <&pioC 15 GPIO_ACTIVE_HIGH>; 82 cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>; 83 nand-bus-width = <8>; 84 nand-ecc-mode = "soft"; 85 nand-on-flash-bbt; 86 label = "atmel_nand"; 87 88 partitions { 89 compatible = "fixed-partitions"; 90 #address-cells = <1>; 91 #size-cells = <1>; 92 93 at91bootstrap@0 { 94 label = "at91bootstrap"; 95 reg = <0x0 0x40000>; 96 }; 97 98 bootloader@40000 { 99 label = "bootloader"; 100 reg = <0x40000 0x80000>; 101 }; 102 103 bootloaderenv@c0000 { 104 label = "bootloader env"; 105 reg = <0xc0000 0xc0000>; 106 }; 107 108 dtb@180000 { 109 label = "device tree"; 110 reg = <0x180000 0x80000>; 111 }; 112 113 kernel@200000 { 114 label = "kernel"; 115 reg = <0x200000 0x600000>; 116 }; 117 118 rootfs@800000 { 119 label = "rootfs"; 120 reg = <0x800000 0x0f800000>; 121 }; 122 }; 123 }; 124 }; 125 }; 126 127 apb { 128 usb1: gadget@fffa4000 { 129 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>; 130 status = "okay"; 131 }; 132 133 spi0: spi@fffc8000 { 134 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>; 135 status = "okay"; 136 137 mtd_dataflash@0 { 138 compatible = "atmel,at45", "atmel,dataflash"; 139 reg = <0>; 140 spi-max-frequency = <15000000>; 141 }; 142 143 tsc2046@0 { 144 reg = <2>; 145 compatible = "ti,ads7843"; 146 interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>; 147 spi-max-frequency = <3000000>; 148 pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>; 149 150 ti,x-min = /bits/ 16 <150>; 151 ti,x-max = /bits/ 16 <3830>; 152 ti,y-min = /bits/ 16 <190>; 153 ti,y-max = /bits/ 16 <3830>; 154 ti,vref-delay-usecs = /bits/ 16 <450>; 155 ti,x-plate-ohms = /bits/ 16 <450>; 156 ti,y-plate-ohms = /bits/ 16 <250>; 157 ti,pressure-max = /bits/ 16 <15000>; 158 ti,debounce-rep = /bits/ 16 <0>; 159 ti,debounce-tol = /bits/ 16 <65535>; 160 ti,debounce-max = /bits/ 16 <1>; 161 162 wakeup-source; 163 }; 164 }; 165 166 dbgu: serial@fffff200 { 167 status = "okay"; 168 }; 169 170 watchdog@fffffd40 { 171 status = "okay"; 172 }; 173 174 }; 175 }; 176 177 leds { 178 compatible = "gpio-leds"; 179 180 ds8 { 181 label = "ds8"; 182 gpios = <&pioA 13 GPIO_ACTIVE_LOW>; 183 linux,default-trigger = "none"; 184 }; 185 186 ds7 { 187 label = "ds7"; 188 gpios = <&pioA 14 GPIO_ACTIVE_LOW>; 189 linux,default-trigger = "nand-disk"; 190 }; 191 192 ds1 { 193 label = "ds1"; 194 gpios = <&pioA 23 GPIO_ACTIVE_LOW>; 195 linux,default-trigger = "heartbeat"; 196 }; 197 }; 198 199 gpio_keys { 200 compatible = "gpio-keys"; 201 202 button_0 { 203 label = "button_0"; 204 gpios = <&pioA 27 GPIO_ACTIVE_LOW>; 205 linux,code = <256>; 206 wakeup-source; 207 }; 208 209 button_1 { 210 label = "button_1"; 211 gpios = <&pioA 26 GPIO_ACTIVE_LOW>; 212 linux,code = <257>; 213 wakeup-source; 214 }; 215 216 button_2 { 217 label = "button_2"; 218 gpios = <&pioA 25 GPIO_ACTIVE_LOW>; 219 linux,code = <258>; 220 wakeup-source; 221 }; 222 223 button_3 { 224 label = "button_3"; 225 gpios = <&pioA 24 GPIO_ACTIVE_LOW>; 226 linux,code = <259>; 227 wakeup-source; 228 }; 229 }; 230}; 231