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                         shdwc@fffffd10 {
 116                                 atmel,wakeup-counter = <10>;
 117                                 atmel,wakeup-rtt-timer;
 118                         };
 119
 120                         rtc@fffffd20 {
 121                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 122                                 status = "okay";
 123                         };
 124
 125                         watchdog@fffffd40 {
 126                                 status = "okay";
 127                         };
 128
 129                         gpbr: syscon@fffffd50 {
 130                                 status = "okay";
 131                         };
 132                 };
 133
 134                 nand0: nand@40000000 {
 135                         nand-bus-width = <8>;
 136                         nand-ecc-mode = "soft";
 137                         nand-on-flash-bbt;
 138                         status = "okay";
 139
 140                         at91bootstrap@0 {
 141                                 label = "at91bootstrap";
 142                                 reg = <0x0 0x20000>;
 143                         };
 144
 145                         barebox@20000 {
 146                                 label = "barebox";
 147                                 reg = <0x20000 0x40000>;
 148                         };
 149
 150                         bareboxenv@60000 {
 151                                 label = "bareboxenv";
 152                                 reg = <0x60000 0x20000>;
 153                         };
 154
 155                         bareboxenv2@80000 {
 156                                 label = "bareboxenv2";
 157                                 reg = <0x80000 0x20000>;
 158                         };
 159
 160                         oftree@80000 {
 161                                 label = "oftree";
 162                                 reg = <0xa0000 0x20000>;
 163                         };
 164
 165                         kernel@a0000 {
 166                                 label = "kernel";
 167                                 reg = <0xc0000 0x400000>;
 168                         };
 169
 170                         rootfs@4a0000 {
 171                                 label = "rootfs";
 172                                 reg = <0x4c0000 0x7800000>;
 173                         };
 174
 175                         data@7ca0000 {
 176                                 label = "data";
 177                                 reg = <0x7cc0000 0x8340000>;
 178                         };
 179                 };
 180
 181                 usb0: ohci@00500000 {
 182                         num-ports = <2>;
 183                         status = "okay";
 184                 };
 185         };
 186
 187         i2c@0 {
 188                 status = "okay";
 189
 190                 24c512@50 {
 191                         compatible = "24c512";
 192                         reg = <0x50>;
 193                 };
 194
 195                 wm8731: wm8731@1b {
 196                         compatible = "wm8731";
 197                         reg = <0x1b>;
 198                 };
 199         };
 200
 201         gpio_keys {
 202                 compatible = "gpio-keys";
 203
 204                 btn3 {
 205                         label = "Button 3";
 206                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 207                         linux,code = <0x103>;
 208                         gpio-key,wakeup;
 209                 };
 210
 211                 btn4 {
 212                         label = "Button 4";
 213                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 214                         linux,code = <0x104>;
 215                         gpio-key,wakeup;
 216                 };
 217         };
 218
 219         sound {
 220                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 221                 pinctrl-names = "default";
 222                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 223
 224                 atmel,model = "wm8731 @ AT91SAMG20EK";
 225
 226                 atmel,audio-routing =
 227                         "Ext Spk", "LHPOUT",
 228                         "Int Mic", "MICIN";
 229
 230                 atmel,ssc-controller = <&ssc0>;
 231                 atmel,audio-codec = <&wm8731>;
 232         };
 233 };