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                 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 };