1/* 2 * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board 3 * 4 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 5 * 6 * Licensed under GPLv2. 7 */ 8#include "at91sam9g20.dtsi" 9 10/ { 11 12 chosen { 13 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs"; 14 stdout-path = "serial0:115200n8"; 15 }; 16 17 memory { 18 reg = <0x20000000 0x4000000>; 19 }; 20 21 clocks { 22 slow_xtal { 23 clock-frequency = <32768>; 24 }; 25 26 main_xtal { 27 clock-frequency = <18432000>; 28 }; 29 }; 30 31 ahb { 32 apb { 33 pinctrl@fffff400 { 34 board { 35 pinctrl_pck0_as_mck: pck0_as_mck { 36 atmel,pins = 37 <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */ 38 }; 39 40 }; 41 42 mmc0_slot1 { 43 pinctrl_board_mmc0_slot1: mmc0_slot1-board { 44 atmel,pins = 45 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */ 46 }; 47 }; 48 }; 49 50 dbgu: serial@fffff200 { 51 status = "okay"; 52 }; 53 54 usart0: serial@fffb0000 { 55 pinctrl-0 = 56 <&pinctrl_usart0 57 &pinctrl_usart0_rts 58 &pinctrl_usart0_cts 59 &pinctrl_usart0_dtr_dsr 60 &pinctrl_usart0_dcd 61 &pinctrl_usart0_ri>; 62 status = "okay"; 63 }; 64 65 usart1: serial@fffb4000 { 66 status = "okay"; 67 }; 68 69 macb0: ethernet@fffc4000 { 70 phy-mode = "rmii"; 71 status = "okay"; 72 }; 73 74 usb1: gadget@fffa4000 { 75 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>; 76 status = "okay"; 77 }; 78 79 mmc0: mmc@fffa8000 { 80 pinctrl-0 = < 81 &pinctrl_board_mmc0_slot1 82 &pinctrl_mmc0_clk 83 &pinctrl_mmc0_slot1_cmd_dat0 84 &pinctrl_mmc0_slot1_dat1_3>; 85 status = "okay"; 86 slot@1 { 87 reg = <1>; 88 bus-width = <4>; 89 cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>; 90 }; 91 }; 92 93 ssc0: ssc@fffbc000 { 94 status = "okay"; 95 pinctrl-0 = <&pinctrl_ssc0_tx>; 96 }; 97 98 spi0: spi@fffc8000 { 99 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>; 100 mtd_dataflash@0 { 101 compatible = "atmel,at45", "atmel,dataflash"; 102 spi-max-frequency = <50000000>; 103 reg = <1>; 104 }; 105 }; 106 107 shdwc@fffffd10 { 108 atmel,wakeup-counter = <10>; 109 atmel,wakeup-rtt-timer; 110 }; 111 112 rtc@fffffd20 { 113 atmel,rtt-rtc-time-reg = <&gpbr 0x0>; 114 status = "okay"; 115 }; 116 117 watchdog@fffffd40 { 118 status = "okay"; 119 }; 120 121 gpbr: syscon@fffffd50 { 122 status = "okay"; 123 }; 124 }; 125 126 nand0: nand@40000000 { 127 nand-bus-width = <8>; 128 nand-ecc-mode = "soft"; 129 nand-on-flash-bbt; 130 status = "okay"; 131 132 at91bootstrap@0 { 133 label = "at91bootstrap"; 134 reg = <0x0 0x20000>; 135 }; 136 137 barebox@20000 { 138 label = "barebox"; 139 reg = <0x20000 0x40000>; 140 }; 141 142 bareboxenv@60000 { 143 label = "bareboxenv"; 144 reg = <0x60000 0x20000>; 145 }; 146 147 bareboxenv2@80000 { 148 label = "bareboxenv2"; 149 reg = <0x80000 0x20000>; 150 }; 151 152 oftree@80000 { 153 label = "oftree"; 154 reg = <0xa0000 0x20000>; 155 }; 156 157 kernel@a0000 { 158 label = "kernel"; 159 reg = <0xc0000 0x400000>; 160 }; 161 162 rootfs@4a0000 { 163 label = "rootfs"; 164 reg = <0x4c0000 0x7800000>; 165 }; 166 167 data@7ca0000 { 168 label = "data"; 169 reg = <0x7cc0000 0x8340000>; 170 }; 171 }; 172 173 usb0: ohci@00500000 { 174 num-ports = <2>; 175 status = "okay"; 176 }; 177 }; 178 179 i2c@0 { 180 status = "okay"; 181 182 24c512@50 { 183 compatible = "24c512"; 184 reg = <0x50>; 185 }; 186 187 wm8731: wm8731@1b { 188 compatible = "wm8731"; 189 reg = <0x1b>; 190 }; 191 }; 192 193 gpio_keys { 194 compatible = "gpio-keys"; 195 196 btn3 { 197 label = "Button 3"; 198 gpios = <&pioA 30 GPIO_ACTIVE_LOW>; 199 linux,code = <0x103>; 200 wakeup-source; 201 }; 202 203 btn4 { 204 label = "Button 4"; 205 gpios = <&pioA 31 GPIO_ACTIVE_LOW>; 206 linux,code = <0x104>; 207 wakeup-source; 208 }; 209 }; 210 211 sound { 212 compatible = "atmel,at91sam9g20ek-wm8731-audio"; 213 pinctrl-names = "default"; 214 pinctrl-0 = <&pinctrl_pck0_as_mck>; 215 216 atmel,model = "wm8731 @ AT91SAMG20EK"; 217 218 atmel,audio-routing = 219 "Ext Spk", "LHPOUT", 220 "Int Mic", "MICIN"; 221 222 atmel,ssc-controller = <&ssc0>; 223 atmel,audio-codec = <&wm8731>; 224 }; 225}; 226