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                                 pinctrl-0 =
  49                                         <&pinctrl_usart0
  50                                          &pinctrl_usart0_rts
  51                                          &pinctrl_usart0_cts
  52                                          &pinctrl_usart0_dtr_dsr
  53                                          &pinctrl_usart0_dcd
  54                                          &pinctrl_usart0_ri>;
  55                                 status = "okay";
  56                         };
  57
  58                         usart1: serial@fffb4000 {
  59                                 status = "okay";
  60                         };
  61
  62                         macb0: ethernet@fffc4000 {
  63                                 phy-mode = "rmii";
  64                                 status = "okay";
  65                         };
  66
  67                         usb1: gadget@fffa4000 {
  68                                 atmel,vbus-gpio = <&pioC 5 0>;
  69                                 status = "okay";
  70                         };
  71
  72                         mmc0: mmc@fffa8000 {
  73                                 pinctrl-0 = <
  74                                         &pinctrl_board_mmc0_slot1
  75                                         &pinctrl_mmc0_clk
  76                                         &pinctrl_mmc0_slot1_cmd_dat0
  77                                         &pinctrl_mmc0_slot1_dat1_3>;
  78                                 status = "okay";
  79                                 slot@1 {
  80                                         reg = <1>;
  81                                         bus-width = <4>;
  82                                         cd-gpios = <&pioC 9 0>;
  83                                 };
  84                         };
  85
  86                         pinctrl@fffff400 {
  87                                 mmc0_slot1 {
  88                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  89                                                 atmel,pins =
  90                                                         <2 9 0x0 0x5>;  /* PC9 gpio CD pin pull up and deglitch */
  91                                         };
  92                                 };
  93                         };
  94
  95                         ssc0: ssc@fffbc000 {
  96                                 status = "okay";
  97                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
  98                         };
  99
 100                         spi0: spi@fffc8000 {
 101                                 status = "okay";
 102                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 103                                 mtd_dataflash@0 {
 104                                         compatible = "atmel,at45", "atmel,dataflash";
 105                                         spi-max-frequency = <50000000>;
 106                                         reg = <1>;
 107                                 };
 108                         };
 109                 };
 110
 111                 nand0: nand@40000000 {
 112                         nand-bus-width = <8>;
 113                         nand-ecc-mode = "soft";
 114                         nand-on-flash-bbt;
 115                         status = "okay";
 116
 117                         at91bootstrap@0 {
 118                                 label = "at91bootstrap";
 119                                 reg = <0x0 0x20000>;
 120                         };
 121
 122                         barebox@20000 {
 123                                 label = "barebox";
 124                                 reg = <0x20000 0x40000>;
 125                         };
 126
 127                         bareboxenv@60000 {
 128                                 label = "bareboxenv";
 129                                 reg = <0x60000 0x20000>;
 130                         };
 131
 132                         bareboxenv2@80000 {
 133                                 label = "bareboxenv2";
 134                                 reg = <0x80000 0x20000>;
 135                         };
 136
 137                         oftree@80000 {
 138                                 label = "oftree";
 139                                 reg = <0xa0000 0x20000>;
 140                         };
 141
 142                         kernel@a0000 {
 143                                 label = "kernel";
 144                                 reg = <0xc0000 0x400000>;
 145                         };
 146
 147                         rootfs@4a0000 {
 148                                 label = "rootfs";
 149                                 reg = <0x4c0000 0x7800000>;
 150                         };
 151
 152                         data@7ca0000 {
 153                                 label = "data";
 154                                 reg = <0x7cc0000 0x8340000>;
 155                         };
 156                 };
 157
 158                 usb0: ohci@00500000 {
 159                         num-ports = <2>;
 160                         status = "okay";
 161                 };
 162         };
 163
 164         i2c@0 {
 165                 status = "okay";
 166
 167                 24c512@50 {
 168                         compatible = "24c512";
 169                         reg = <0x50>;
 170                 };
 171
 172                 wm8731: wm8731@1b {
 173                         compatible = "wm8731";
 174                         reg = <0x1b>;
 175                 };
 176         };
 177
 178         gpio_keys {
 179                 compatible = "gpio-keys";
 180
 181                 btn3 {
 182                         label = "Button 3";
 183                         gpios = <&pioA 30 1>;
 184                         linux,code = <0x103>;
 185                         gpio-key,wakeup;
 186                 };
 187
 188                 btn4 {
 189                         label = "Button 4";
 190                         gpios = <&pioA 31 1>;
 191                         linux,code = <0x104>;
 192                         gpio-key,wakeup;
 193                 };
 194         };
 195
 196         sound {
 197                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 198                 pinctrl-names = "default";
 199                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 200
 201                 atmel,model = "wm8731 @ AT91SAMG20EK";
 202
 203                 atmel,audio-routing =
 204                         "Ext Spk", "LHPOUT",
 205                         "Int Mic", "MICIN";
 206
 207                 atmel,ssc-controller = <&ssc0>;
 208                 atmel,audio-codec = <&wm8731>;
 209         };
 210 };