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 root=/dev/mtdblock5 rw rootfstype=ubifs";
  14                 stdout-path = "serial0:115200n8";
  15         };
  16
  17         memory {
  18                 reg = <0x20000000 0x4000000>;
  19         };
  20
  21         clocks {
  22                 #address-cells = <1>;
  23                 #size-cells = <1>;
  24                 ranges;
  25
  26                 main_clock: clock@0 {
  27                         compatible = "atmel,osc", "fixed-clock";
  28                         clock-frequency = <18432000>;
  29                 };
  30
  31                 slow_xtal {
  32                         clock-frequency = <32768>;
  33                 };
  34
  35                 main_xtal {
  36                         clock-frequency = <18432000>;
  37                 };
  38         };
  39
  40         ahb {
  41                 apb {
  42                         pinctrl@fffff400 {
  43                                 board {
  44                                         pinctrl_pck0_as_mck: pck0_as_mck {
  45                                                 atmel,pins =
  46                                                         <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;  /* PC1 periph B */
  47                                         };
  48
  49                                 };
  50
  51                                 mmc0_slot1 {
  52                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  53                                                 atmel,pins =
  54                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PC9 gpio CD pin pull up and deglitch */
  55                                         };
  56                                 };
  57                         };
  58
  59                         dbgu: serial@fffff200 {
  60                                 status = "okay";
  61                         };
  62
  63                         usart0: serial@fffb0000 {
  64                                 pinctrl-0 =
  65                                         <&pinctrl_usart0
  66                                          &pinctrl_usart0_rts
  67                                          &pinctrl_usart0_cts
  68                                          &pinctrl_usart0_dtr_dsr
  69                                          &pinctrl_usart0_dcd
  70                                          &pinctrl_usart0_ri>;
  71                                 status = "okay";
  72                         };
  73
  74                         usart1: serial@fffb4000 {
  75                                 status = "okay";
  76                         };
  77
  78                         macb0: ethernet@fffc4000 {
  79                                 phy-mode = "rmii";
  80                                 status = "okay";
  81                         };
  82
  83                         usb1: gadget@fffa4000 {
  84                                 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
  85                                 status = "okay";
  86                         };
  87
  88                         mmc0: mmc@fffa8000 {
  89                                 pinctrl-0 = <
  90                                         &pinctrl_board_mmc0_slot1
  91                                         &pinctrl_mmc0_clk
  92                                         &pinctrl_mmc0_slot1_cmd_dat0
  93                                         &pinctrl_mmc0_slot1_dat1_3>;
  94                                 status = "okay";
  95                                 slot@1 {
  96                                         reg = <1>;
  97                                         bus-width = <4>;
  98                                         cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
  99                                 };
 100                         };
 101
 102                         ssc0: ssc@fffbc000 {
 103                                 status = "okay";
 104                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
 105                         };
 106
 107                         spi0: spi@fffc8000 {
 108                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 109                                 mtd_dataflash@0 {
 110                                         compatible = "atmel,at45", "atmel,dataflash";
 111                                         spi-max-frequency = <50000000>;
 112                                         reg = <1>;
 113                                 };
 114                         };
 115
 116                         shdwc@fffffd10 {
 117                                 atmel,wakeup-counter = <10>;
 118                                 atmel,wakeup-rtt-timer;
 119                         };
 120
 121                         rtc@fffffd20 {
 122                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 123                                 status = "okay";
 124                         };
 125
 126                         watchdog@fffffd40 {
 127                                 status = "okay";
 128                         };
 129
 130                         gpbr: syscon@fffffd50 {
 131                                 status = "okay";
 132                         };
 133                 };
 134
 135                 nand0: nand@40000000 {
 136                         nand-bus-width = <8>;
 137                         nand-ecc-mode = "soft";
 138                         nand-on-flash-bbt;
 139                         status = "okay";
 140
 141                         at91bootstrap@0 {
 142                                 label = "at91bootstrap";
 143                                 reg = <0x0 0x20000>;
 144                         };
 145
 146                         barebox@20000 {
 147                                 label = "barebox";
 148                                 reg = <0x20000 0x40000>;
 149                         };
 150
 151                         bareboxenv@60000 {
 152                                 label = "bareboxenv";
 153                                 reg = <0x60000 0x20000>;
 154                         };
 155
 156                         bareboxenv2@80000 {
 157                                 label = "bareboxenv2";
 158                                 reg = <0x80000 0x20000>;
 159                         };
 160
 161                         oftree@80000 {
 162                                 label = "oftree";
 163                                 reg = <0xa0000 0x20000>;
 164                         };
 165
 166                         kernel@a0000 {
 167                                 label = "kernel";
 168                                 reg = <0xc0000 0x400000>;
 169                         };
 170
 171                         rootfs@4a0000 {
 172                                 label = "rootfs";
 173                                 reg = <0x4c0000 0x7800000>;
 174                         };
 175
 176                         data@7ca0000 {
 177                                 label = "data";
 178                                 reg = <0x7cc0000 0x8340000>;
 179                         };
 180                 };
 181
 182                 usb0: ohci@00500000 {
 183                         num-ports = <2>;
 184                         status = "okay";
 185                 };
 186         };
 187
 188         i2c@0 {
 189                 status = "okay";
 190
 191                 24c512@50 {
 192                         compatible = "24c512";
 193                         reg = <0x50>;
 194                 };
 195
 196                 wm8731: wm8731@1b {
 197                         compatible = "wm8731";
 198                         reg = <0x1b>;
 199                 };
 200         };
 201
 202         gpio_keys {
 203                 compatible = "gpio-keys";
 204
 205                 btn3 {
 206                         label = "Button 3";
 207                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 208                         linux,code = <0x103>;
 209                         gpio-key,wakeup;
 210                 };
 211
 212                 btn4 {
 213                         label = "Button 4";
 214                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 215                         linux,code = <0x104>;
 216                         gpio-key,wakeup;
 217                 };
 218         };
 219
 220         sound {
 221                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 222                 pinctrl-names = "default";
 223                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 224
 225                 atmel,model = "wm8731 @ AT91SAMG20EK";
 226
 227                 atmel,audio-routing =
 228                         "Ext Spk", "LHPOUT",
 229                         "Int Mic", "MICIN";
 230
 231                 atmel,ssc-controller = <&ssc0>;
 232                 atmel,audio-codec = <&wm8731>;
 233         };
 234 };