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                 slow_xtal {
  23                         clock-frequency = <32768>;
  24                 };
  25
  26                 main_xtal {
  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                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 100                                 mtd_dataflash@0 {
 101                                         compatible = "atmel,at45", "atmel,dataflash";
 102                                         spi-max-frequency = <50000000>;
 103                                         reg = <1>;
 104                                 };
 105                         };
 106
 107                         shdwc@fffffd10 {
 108                                 atmel,wakeup-counter = <10>;
 109                                 atmel,wakeup-rtt-timer;
 110                         };
 111
 112                         rtc@fffffd20 {
 113                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 114                                 status = "okay";
 115                         };
 116
 117                         watchdog@fffffd40 {
 118                                 status = "okay";
 119                         };
 120
 121                         gpbr: syscon@fffffd50 {
 122                                 status = "okay";
 123                         };
 124                 };
 125
 126                 nand0: nand@40000000 {
 127                         nand-bus-width = <8>;
 128                         nand-ecc-mode = "soft";
 129                         nand-on-flash-bbt;
 130                         status = "okay";
 131
 132                         at91bootstrap@0 {
 133                                 label = "at91bootstrap";
 134                                 reg = <0x0 0x20000>;
 135                         };
 136
 137                         barebox@20000 {
 138                                 label = "barebox";
 139                                 reg = <0x20000 0x40000>;
 140                         };
 141
 142                         bareboxenv@60000 {
 143                                 label = "bareboxenv";
 144                                 reg = <0x60000 0x20000>;
 145                         };
 146
 147                         bareboxenv2@80000 {
 148                                 label = "bareboxenv2";
 149                                 reg = <0x80000 0x20000>;
 150                         };
 151
 152                         oftree@80000 {
 153                                 label = "oftree";
 154                                 reg = <0xa0000 0x20000>;
 155                         };
 156
 157                         kernel@a0000 {
 158                                 label = "kernel";
 159                                 reg = <0xc0000 0x400000>;
 160                         };
 161
 162                         rootfs@4a0000 {
 163                                 label = "rootfs";
 164                                 reg = <0x4c0000 0x7800000>;
 165                         };
 166
 167                         data@7ca0000 {
 168                                 label = "data";
 169                                 reg = <0x7cc0000 0x8340000>;
 170                         };
 171                 };
 172
 173                 usb0: ohci@00500000 {
 174                         num-ports = <2>;
 175                         status = "okay";
 176                 };
 177         };
 178
 179         i2c@0 {
 180                 status = "okay";
 181
 182                 24c512@50 {
 183                         compatible = "24c512";
 184                         reg = <0x50>;
 185                 };
 186
 187                 wm8731: wm8731@1b {
 188                         compatible = "wm8731";
 189                         reg = <0x1b>;
 190                 };
 191         };
 192
 193         gpio_keys {
 194                 compatible = "gpio-keys";
 195
 196                 btn3 {
 197                         label = "Button 3";
 198                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 199                         linux,code = <0x103>;
 200                         wakeup-source;
 201                 };
 202
 203                 btn4 {
 204                         label = "Button 4";
 205                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 206                         linux,code = <0x104>;
 207                         wakeup-source;
 208                 };
 209         };
 210
 211         sound {
 212                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 213                 pinctrl-names = "default";
 214                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 215
 216                 atmel,model = "wm8731 @ AT91SAMG20EK";
 217
 218                 atmel,audio-routing =
 219                         "Ext Spk", "LHPOUT",
 220                         "Int Mic", "MICIN";
 221
 222                 atmel,ssc-controller = <&ssc0>;
 223                 atmel,audio-codec = <&wm8731>;
 224         };
 225 };