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                         tcb0: timer@fffa0000 {
  55                                 timer@0 {
  56                                         compatible = "atmel,tcb-timer";
  57                                         reg = <0>, <1>;
  58                                 };
  59
  60                                 timer@2 {
  61                                         compatible = "atmel,tcb-timer";
  62                                         reg = <2>;
  63                                 };
  64                         };
  65
  66                         usart0: serial@fffb0000 {
  67                                 pinctrl-0 =
  68                                         <&pinctrl_usart0
  69                                          &pinctrl_usart0_rts
  70                                          &pinctrl_usart0_cts
  71                                          &pinctrl_usart0_dtr_dsr
  72                                          &pinctrl_usart0_dcd
  73                                          &pinctrl_usart0_ri>;
  74                                 status = "okay";
  75                         };
  76
  77                         usart1: serial@fffb4000 {
  78                                 status = "okay";
  79                         };
  80
  81                         macb0: ethernet@fffc4000 {
  82                                 phy-mode = "rmii";
  83                                 status = "okay";
  84                         };
  85
  86                         usb1: gadget@fffa4000 {
  87                                 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
  88                                 status = "okay";
  89                         };
  90
  91                         mmc0: mmc@fffa8000 {
  92                                 pinctrl-0 = <
  93                                         &pinctrl_board_mmc0_slot1
  94                                         &pinctrl_mmc0_clk
  95                                         &pinctrl_mmc0_slot1_cmd_dat0
  96                                         &pinctrl_mmc0_slot1_dat1_3>;
  97                                 status = "okay";
  98                                 slot@1 {
  99                                         reg = <1>;
 100                                         bus-width = <4>;
 101                                         cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
 102                                 };
 103                         };
 104
 105                         ssc0: ssc@fffbc000 {
 106                                 status = "okay";
 107                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
 108                         };
 109
 110                         spi0: spi@fffc8000 {
 111                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 112                                 mtd_dataflash@1 {
 113                                         compatible = "atmel,at45", "atmel,dataflash";
 114                                         spi-max-frequency = <50000000>;
 115                                         reg = <1>;
 116                                 };
 117                         };
 118
 119                         shdwc@fffffd10 {
 120                                 atmel,wakeup-counter = <10>;
 121                                 atmel,wakeup-rtt-timer;
 122                         };
 123
 124                         rtc@fffffd20 {
 125                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 126                                 status = "okay";
 127                         };
 128
 129                         watchdog@fffffd40 {
 130                                 status = "okay";
 131                         };
 132
 133                         gpbr: syscon@fffffd50 {
 134                                 status = "okay";
 135                         };
 136                 };
 137
 138                 ebi: ebi@10000000 {
 139                         status = "okay";
 140
 141                         nand_controller: nand-controller {
 142                                 status = "okay";
 143                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 144                                 pinctrl-names = "default";
 145
 146                                 nand@3 {
 147                                         reg = <0x3 0x0 0x800000>;
 148                                         rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
 149                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 150                                         nand-bus-width = <8>;
 151                                         nand-ecc-mode = "soft";
 152                                         nand-on-flash-bbt;
 153                                         label = "atmel_nand";
 154
 155                                         partitions {
 156                                                 compatible = "fixed-partitions";
 157                                                 #address-cells = <1>;
 158                                                 #size-cells = <1>;
 159
 160                                                 at91bootstrap@0 {
 161                                                         label = "at91bootstrap";
 162                                                         reg = <0x0 0x20000>;
 163                                                 };
 164
 165                                                 barebox@20000 {
 166                                                         label = "barebox";
 167                                                         reg = <0x20000 0x40000>;
 168                                                 };
 169
 170                                                 bareboxenv@60000 {
 171                                                         label = "bareboxenv";
 172                                                         reg = <0x60000 0x20000>;
 173                                                 };
 174
 175                                                 bareboxenv2@80000 {
 176                                                         label = "bareboxenv2";
 177                                                         reg = <0x80000 0x20000>;
 178                                                 };
 179
 180                                                 oftree@80000 {
 181                                                         label = "oftree";
 182                                                         reg = <0xa0000 0x20000>;
 183                                                 };
 184
 185                                                 kernel@a0000 {
 186                                                         label = "kernel";
 187                                                         reg = <0xc0000 0x400000>;
 188                                                 };
 189
 190                                                 rootfs@4a0000 {
 191                                                         label = "rootfs";
 192                                                         reg = <0x4c0000 0x7800000>;
 193                                                 };
 194
 195                                                 data@7ca0000 {
 196                                                         label = "data";
 197                                                         reg = <0x7cc0000 0x8340000>;
 198                                                 };
 199                                         };
 200                                 };
 201                         };
 202                 };
 203
 204                 usb0: ohci@500000 {
 205                         num-ports = <2>;
 206                         status = "okay";
 207                 };
 208         };
 209
 210         i2c-gpio-0 {
 211                 status = "okay";
 212
 213                 24c512@50 {
 214                         compatible = "atmel,24c512";
 215                         reg = <0x50>;
 216                 };
 217
 218                 wm8731: wm8731@1b {
 219                         compatible = "wm8731";
 220                         reg = <0x1b>;
 221                 };
 222         };
 223
 224         gpio_keys {
 225                 compatible = "gpio-keys";
 226
 227                 btn3 {
 228                         label = "Button 3";
 229                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 230                         linux,code = <0x103>;
 231                         wakeup-source;
 232                 };
 233
 234                 btn4 {
 235                         label = "Button 4";
 236                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 237                         linux,code = <0x104>;
 238                         wakeup-source;
 239                 };
 240         };
 241
 242         sound {
 243                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 244                 pinctrl-names = "default";
 245                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 246
 247                 atmel,model = "wm8731 @ AT91SAMG20EK";
 248
 249                 atmel,audio-routing =
 250                         "Ext Spk", "LHPOUT",
 251                         "Int Mic", "MICIN";
 252
 253                 atmel,ssc-controller = <&ssc0>;
 254                 atmel,audio-codec = <&wm8731>;
 255         };
 256 };