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                         dbgu: serial@fffff200 {
  34                                 status = "okay";
  35                         };
  36
  37                         usart0: serial@fffb0000 {
  38                                 pinctrl-0 =
  39                                         <&pinctrl_usart0
  40                                          &pinctrl_usart0_rts
  41                                          &pinctrl_usart0_cts
  42                                          &pinctrl_usart0_dtr_dsr
  43                                          &pinctrl_usart0_dcd
  44                                          &pinctrl_usart0_ri>;
  45                                 status = "okay";
  46                         };
  47
  48                         usart1: serial@fffb4000 {
  49                                 status = "okay";
  50                         };
  51
  52                         macb0: ethernet@fffc4000 {
  53                                 phy-mode = "rmii";
  54                                 status = "okay";
  55                         };
  56
  57                         usb1: gadget@fffa4000 {
  58                                 atmel,vbus-gpio = <&pioC 5 0>;
  59                                 status = "okay";
  60                         };
  61
  62                         mmc0: mmc@fffa8000 {
  63                                 pinctrl-0 = <
  64                                         &pinctrl_board_mmc0_slot1
  65                                         &pinctrl_mmc0_clk
  66                                         &pinctrl_mmc0_slot1_cmd_dat0
  67                                         &pinctrl_mmc0_slot1_dat1_3>;
  68                                 status = "okay";
  69                                 slot@1 {
  70                                         reg = <1>;
  71                                         bus-width = <4>;
  72                                         cd-gpios = <&pioC 9 0>;
  73                                 };
  74                         };
  75
  76                         pinctrl@fffff400 {
  77                                 mmc0_slot1 {
  78                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  79                                                 atmel,pins =
  80                                                         <2 9 0x0 0x5>;  /* PC9 gpio CD pin pull up and deglitch */
  81                                         };
  82                                 };
  83                         };
  84                 };
  85
  86                 nand0: nand@40000000 {
  87                         nand-bus-width = <8>;
  88                         nand-ecc-mode = "soft";
  89                         nand-on-flash-bbt;
  90                         status = "okay";
  91
  92                         at91bootstrap@0 {
  93                                 label = "at91bootstrap";
  94                                 reg = <0x0 0x20000>;
  95                         };
  96
  97                         barebox@20000 {
  98                                 label = "barebox";
  99                                 reg = <0x20000 0x40000>;
 100                         };
 101
 102                         bareboxenv@60000 {
 103                                 label = "bareboxenv";
 104                                 reg = <0x60000 0x20000>;
 105                         };
 106
 107                         bareboxenv2@80000 {
 108                                 label = "bareboxenv2";
 109                                 reg = <0x80000 0x20000>;
 110                         };
 111
 112                         oftree@80000 {
 113                                 label = "oftree";
 114                                 reg = <0xa0000 0x20000>;
 115                         };
 116
 117                         kernel@a0000 {
 118                                 label = "kernel";
 119                                 reg = <0xc0000 0x400000>;
 120                         };
 121
 122                         rootfs@4a0000 {
 123                                 label = "rootfs";
 124                                 reg = <0x4c0000 0x7800000>;
 125                         };
 126
 127                         data@7ca0000 {
 128                                 label = "data";
 129                                 reg = <0x7cc0000 0x8340000>;
 130                         };
 131                 };
 132
 133                 usb0: ohci@00500000 {
 134                         num-ports = <2>;
 135                         status = "okay";
 136                 };
 137         };
 138
 139         i2c@0 {
 140                 status = "okay";
 141
 142                 24c512@50 {
 143                         compatible = "24c512";
 144                         reg = <0x50>;
 145                 };
 146
 147                 wm8731@1b {
 148                         compatible = "wm8731";
 149                         reg = <0x1b>;
 150                 };
 151         };
 152
 153         gpio_keys {
 154                 compatible = "gpio-keys";
 155                 #address-cells = <1>;
 156                 #size-cells = <0>;
 157
 158                 btn3 {
 159                         label = "Button 3";
 160                         gpios = <&pioA 30 1>;
 161                         linux,code = <0x103>;
 162                         gpio-key,wakeup;
 163                 };
 164
 165                 btn4 {
 166                         label = "Button 4";
 167                         gpios = <&pioA 31 1>;
 168                         linux,code = <0x104>;
 169                         gpio-key,wakeup;
 170                 };
 171         };
 172 };