arch/arm/boot/dts/at91sam9g20ek_common.dtsi

   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
  31         ahb {
  32                 apb {
  33                         pinctrl@fffff400 {
  34                                 board {
  35                                         pinctrl_pck0_as_mck: pck0_as_mck {
  36                                                 atmel,pins =
  37                                                         <2 1 0x2 0x0>;  /* PC1 periph B */
  38                                         };
  39
  40                                 };
  41                         };
  42
  43                         dbgu: serial@fffff200 {
  44                                 status = "okay";
  45                         };
  46
  47                         usart0: serial@fffb0000 {
  48                                 status = "okay";
  49                         };
  50
  51                         usart1: serial@fffb4000 {
  52                                 status = "okay";
  53                         };
  54
  55                         macb0: ethernet@fffc4000 {
  56                                 phy-mode = "rmii";
  57                                 status = "okay";
  58                         };
  59
  60                         usb1: gadget@fffa4000 {
  61                                 atmel,vbus-gpio = <&pioC 5 0>;
  62                                 status = "okay";
  63                         };
  64
  65                         ssc0: ssc@fffbc000 {
  66                                 status = "okay";
  67                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
  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 0x20000>;
  80                         };
  81
  82                         barebox@20000 {
  83                                 label = "barebox";
  84                                 reg = <0x20000 0x40000>;
  85                         };
  86
  87                         bareboxenv@60000 {
  88                                 label = "bareboxenv";
  89                                 reg = <0x60000 0x20000>;
  90                         };
  91
  92                         bareboxenv2@80000 {
  93                                 label = "bareboxenv2";
  94                                 reg = <0x80000 0x20000>;
  95                         };
  96
  97                         oftree@80000 {
  98                                 label = "oftree";
  99                                 reg = <0xa0000 0x20000>;
 100                         };
 101
 102                         kernel@a0000 {
 103                                 label = "kernel";
 104                                 reg = <0xc0000 0x400000>;
 105                         };
 106
 107                         rootfs@4a0000 {
 108                                 label = "rootfs";
 109                                 reg = <0x4c0000 0x7800000>;
 110                         };
 111
 112                         data@7ca0000 {
 113                                 label = "data";
 114                                 reg = <0x7cc0000 0x8340000>;
 115                         };
 116                 };
 117
 118                 usb0: ohci@00500000 {
 119                         num-ports = <2>;
 120                         status = "okay";
 121                 };
 122         };
 123
 124         i2c@0 {
 125                 status = "okay";
 126
 127                 24c512@50 {
 128                         compatible = "24c512";
 129                         reg = <0x50>;
 130                 };
 131
 132                 wm8731: wm8731@1b {
 133                         compatible = "wm8731";
 134                         reg = <0x1b>;
 135                 };
 136         };
 137
 138         gpio_keys {
 139                 compatible = "gpio-keys";
 140                 #address-cells = <1>;
 141                 #size-cells = <0>;
 142
 143                 btn3 {
 144                         label = "Button 3";
 145                         gpios = <&pioA 30 1>;
 146                         linux,code = <0x103>;
 147                         gpio-key,wakeup;
 148                 };
 149
 150                 btn4 {
 151                         label = "Button 4";
 152                         gpios = <&pioA 31 1>;
 153                         linux,code = <0x104>;
 154                         gpio-key,wakeup;
 155                 };
 156         };
 157
 158         sound {
 159                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 160                 pinctrl-names = "default";
 161                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 162
 163                 atmel,model = "wm8731 @ AT91SAMG20EK";
 164
 165                 atmel,audio-routing =
 166                         "Ext Spk", "LHPOUT",
 167                         "Int Mic", "MICIN";
 168
 169                 atmel,ssc-controller = <&ssc0>;
 170                 atmel,audio-codec = <&wm8731>;
 171         };
 172 };