at91sam9g20ek_common.dtsi revision 270864
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 console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs"; 14 }; 15 16 memory { 17 reg = <0x20000000 0x4000000>; 18 }; 19 20 clocks { 21 #address-cells = <1>; 22 #size-cells = <1>; 23 ranges; 24 25 main_clock: clock@0 { 26 compatible = "atmel,osc", "fixed-clock"; 27 clock-frequency = <18432000>; 28 }; 29 30 slow_xtal { 31 clock-frequency = <32768>; 32 }; 33 34 main_xtal { 35 clock-frequency = <18432000>; 36 }; 37 }; 38 39 ahb { 40 apb { 41 pinctrl@fffff400 { 42 board { 43 pinctrl_pck0_as_mck: pck0_as_mck { 44 atmel,pins = 45 <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */ 46 }; 47 48 }; 49 50 mmc0_slot1 { 51 pinctrl_board_mmc0_slot1: mmc0_slot1-board { 52 atmel,pins = 53 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */ 54 }; 55 }; 56 }; 57 58 dbgu: serial@fffff200 { 59 status = "okay"; 60 }; 61 62 usart0: serial@fffb0000 { 63 pinctrl-0 = 64 <&pinctrl_usart0 65 &pinctrl_usart0_rts 66 &pinctrl_usart0_cts 67 &pinctrl_usart0_dtr_dsr 68 &pinctrl_usart0_dcd 69 &pinctrl_usart0_ri>; 70 status = "okay"; 71 }; 72 73 usart1: serial@fffb4000 { 74 status = "okay"; 75 }; 76 77 macb0: ethernet@fffc4000 { 78 phy-mode = "rmii"; 79 status = "okay"; 80 }; 81 82 usb1: gadget@fffa4000 { 83 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>; 84 status = "okay"; 85 }; 86 87 mmc0: mmc@fffa8000 { 88 pinctrl-0 = < 89 &pinctrl_board_mmc0_slot1 90 &pinctrl_mmc0_clk 91 &pinctrl_mmc0_slot1_cmd_dat0 92 &pinctrl_mmc0_slot1_dat1_3>; 93 status = "okay"; 94 slot@1 { 95 reg = <1>; 96 bus-width = <4>; 97 cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>; 98 }; 99 }; 100 101 ssc0: ssc@fffbc000 { 102 status = "okay"; 103 pinctrl-0 = <&pinctrl_ssc0_tx>; 104 }; 105 106 spi0: spi@fffc8000 { 107 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>; 108 mtd_dataflash@0 { 109 compatible = "atmel,at45", "atmel,dataflash"; 110 spi-max-frequency = <50000000>; 111 reg = <1>; 112 }; 113 }; 114 115 watchdog@fffffd40 { 116 status = "okay"; 117 }; 118 }; 119 120 nand0: nand@40000000 { 121 nand-bus-width = <8>; 122 nand-ecc-mode = "soft"; 123 nand-on-flash-bbt; 124 status = "okay"; 125 126 at91bootstrap@0 { 127 label = "at91bootstrap"; 128 reg = <0x0 0x20000>; 129 }; 130 131 barebox@20000 { 132 label = "barebox"; 133 reg = <0x20000 0x40000>; 134 }; 135 136 bareboxenv@60000 { 137 label = "bareboxenv"; 138 reg = <0x60000 0x20000>; 139 }; 140 141 bareboxenv2@80000 { 142 label = "bareboxenv2"; 143 reg = <0x80000 0x20000>; 144 }; 145 146 oftree@80000 { 147 label = "oftree"; 148 reg = <0xa0000 0x20000>; 149 }; 150 151 kernel@a0000 { 152 label = "kernel"; 153 reg = <0xc0000 0x400000>; 154 }; 155 156 rootfs@4a0000 { 157 label = "rootfs"; 158 reg = <0x4c0000 0x7800000>; 159 }; 160 161 data@7ca0000 { 162 label = "data"; 163 reg = <0x7cc0000 0x8340000>; 164 }; 165 }; 166 167 usb0: ohci@00500000 { 168 num-ports = <2>; 169 status = "okay"; 170 }; 171 }; 172 173 i2c@0 { 174 status = "okay"; 175 176 24c512@50 { 177 compatible = "24c512"; 178 reg = <0x50>; 179 }; 180 181 wm8731: wm8731@1b { 182 compatible = "wm8731"; 183 reg = <0x1b>; 184 }; 185 }; 186 187 gpio_keys { 188 compatible = "gpio-keys"; 189 190 btn3 { 191 label = "Button 3"; 192 gpios = <&pioA 30 GPIO_ACTIVE_LOW>; 193 linux,code = <0x103>; 194 gpio-key,wakeup; 195 }; 196 197 btn4 { 198 label = "Button 4"; 199 gpios = <&pioA 31 GPIO_ACTIVE_LOW>; 200 linux,code = <0x104>; 201 gpio-key,wakeup; 202 }; 203 }; 204 205 sound { 206 compatible = "atmel,at91sam9g20ek-wm8731-audio"; 207 pinctrl-names = "default"; 208 pinctrl-0 = <&pinctrl_pck0_as_mck>; 209 210 atmel,model = "wm8731 @ AT91SAMG20EK"; 211 212 atmel,audio-routing = 213 "Ext Spk", "LHPOUT", 214 "Int Mic", "MICIN"; 215 216 atmel,ssc-controller = <&ssc0>; 217 atmel,audio-codec = <&wm8731>; 218 }; 219}; 220