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