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                                 usb1 {
  43                                         pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
  44                                                 atmel,pins =
  45                                                         <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;   /* PC5 GPIO */
  46                                         };
  47                                 };
  48
  49                                 mmc0_slot1 {
  50                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  51                                                 atmel,pins =
  52                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PC9 gpio CD pin pull up and deglitch */
  53                                         };
  54                                 };
  55                         };
  56
  57                         dbgu: serial@fffff200 {
  58                                 status = "okay";
  59                         };
  60
  61                         usart0: serial@fffb0000 {
  62                                 pinctrl-0 =
  63                                         <&pinctrl_usart0
  64                                          &pinctrl_usart0_rts
  65                                          &pinctrl_usart0_cts
  66                                          &pinctrl_usart0_dtr_dsr
  67                                          &pinctrl_usart0_dcd
  68                                          &pinctrl_usart0_ri>;
  69                                 status = "okay";
  70                         };
  71
  72                         usart1: serial@fffb4000 {
  73                                 status = "okay";
  74                         };
  75
  76                         macb0: ethernet@fffc4000 {
  77                                 phy-mode = "rmii";
  78                                 status = "okay";
  79                         };
  80
  81                         usb1: gadget@fffa4000 {
  82                                 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
  83                                 pinctrl-names = "default";
  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                 ebi: ebi@10000000 {
 136                         status = "okay";
 137
 138                         nand_controller: nand-controller {
 139                                 status = "okay";
 140                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 141                                 pinctrl-names = "default";
 142
 143                                 nand@3 {
 144                                         reg = <0x3 0x0 0x800000>;
 145                                         rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
 146                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 147                                         nand-bus-width = <8>;
 148                                         nand-ecc-mode = "soft";
 149                                         nand-on-flash-bbt;
 150                                         label = "atmel_nand";
 151
 152                                         partitions {
 153                                                 compatible = "fixed-partitions";
 154                                                 #address-cells = <1>;
 155                                                 #size-cells = <1>;
 156
 157                                                 at91bootstrap@0 {
 158                                                         label = "at91bootstrap";
 159                                                         reg = <0x0 0x20000>;
 160                                                 };
 161
 162                                                 barebox@20000 {
 163                                                         label = "barebox";
 164                                                         reg = <0x20000 0x40000>;
 165                                                 };
 166
 167                                                 bareboxenv@60000 {
 168                                                         label = "bareboxenv";
 169                                                         reg = <0x60000 0x20000>;
 170                                                 };
 171
 172                                                 bareboxenv2@80000 {
 173                                                         label = "bareboxenv2";
 174                                                         reg = <0x80000 0x20000>;
 175                                                 };
 176
 177                                                 oftree@80000 {
 178                                                         label = "oftree";
 179                                                         reg = <0xa0000 0x20000>;
 180                                                 };
 181
 182                                                 kernel@a0000 {
 183                                                         label = "kernel";
 184                                                         reg = <0xc0000 0x400000>;
 185                                                 };
 186
 187                                                 rootfs@4a0000 {
 188                                                         label = "rootfs";
 189                                                         reg = <0x4c0000 0x7800000>;
 190                                                 };
 191
 192                                                 data@7ca0000 {
 193                                                         label = "data";
 194                                                         reg = <0x7cc0000 0x8340000>;
 195                                                 };
 196                                         };
 197                                 };
 198                         };
 199                 };
 200
 201                 usb0: ohci@500000 {
 202                         num-ports = <2>;
 203                         status = "okay";
 204                 };
 205         };
 206
 207         i2c-gpio-0 {
 208                 status = "okay";
 209
 210                 24c512@50 {
 211                         compatible = "24c512";
 212                         reg = <0x50>;
 213                 };
 214
 215                 wm8731: wm8731@1b {
 216                         compatible = "wm8731";
 217                         reg = <0x1b>;
 218                 };
 219         };
 220
 221         gpio_keys {
 222                 compatible = "gpio-keys";
 223
 224                 btn3 {
 225                         label = "Button 3";
 226                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 227                         linux,code = <0x103>;
 228                         wakeup-source;
 229                 };
 230
 231                 btn4 {
 232                         label = "Button 4";
 233                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 234                         linux,code = <0x104>;
 235                         wakeup-source;
 236                 };
 237         };
 238
 239         sound {
 240                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 241                 pinctrl-names = "default";
 242                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 243
 244                 atmel,model = "wm8731 @ AT91SAMG20EK";
 245
 246                 atmel,audio-routing =
 247                         "Ext Spk", "LHPOUT",
 248                         "Int Mic", "MICIN";
 249
 250                 atmel,ssc-controller = <&ssc0>;
 251                 atmel,audio-codec = <&wm8731>;
 252         };
 253 };