arch/arm/boot/dts/ste-nomadik-s8815.dts

   1 /*
   2  * Device Tree for the ST-Ericsson Nomadik S8815 board
   3  * Produced by Calao Systems
   4  */
   5
   6 /dts-v1/;
   7 /include/ "ste-nomadik-stn8815.dtsi"
   8
   9 / {
  10         model = "Calao Systems USB-S8815";
  11         compatible = "calaosystems,usb-s8815";
  12
  13         chosen {
  14                 bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
  15         };
  16
  17         /* This is where the interrupt is routed on the S8815 board */
  18         external-bus@34000000 {
  19                 ethernet@300 {
  20                         interrupt-parent = <&gpio3>;
  21                         interrupts = <8 0x1>;
  22                 };
  23         };
  24
  25         src@101e0000 {
  26                 /* These chrystal drivers are not used on this board */
  27                 disable-sxtalo;
  28                 disable-mxtalo;
  29         };
  30
  31         pinctrl {
  32                 /* Hog CD pins */
  33                 pinctrl-names = "default";
  34                 pinctrl-0 = <&cd_default_mode>;
  35
  36                 mmcsd-cd {
  37                         cd_default_mode: cd_default {
  38                                 cd_default_cfg1 {
  39                                         /* CD input GPIO */
  40                                         ste,pins = "GPIO111_H21";
  41                                         ste,input = <0>;
  42                                 };
  43                                 cd_default_cfg2 {
  44                                         /* CD GPIO biasing */
  45                                         ste,pins = "GPIO112_J21";
  46                                         ste,output = <0>;
  47                                 };
  48                         };
  49                 };
  50                 user-led {
  51                         user_led_default_mode: user_led_default {
  52                                 user_led_default_cfg {
  53                                         ste,pins = "GPIO2_C5";
  54                                         ste,output = <1>;
  55                                 };
  56                         };
  57                 };
  58                 user-button {
  59                         user_button_default_mode: user_button_default {
  60                                 user_button_default_cfg {
  61                                         ste,pins = "GPIO3_A4";
  62                                         ste,input = <0>;
  63                                 };
  64                         };
  65                 };
  66         };
  67
  68         /* Custom board node with GPIO pins to active etc */
  69         usb-s8815 {
  70                 /* This will bias the MMC/SD card detect line */
  71                 mmcsd-gpio {
  72                         gpios = <&gpio3 16 0x1>;
  73                 };
  74         };
  75
  76         /* The user LED on the board is set up to be used for heartbeat */
  77         leds {
  78                 compatible = "gpio-leds";
  79                 user-led {
  80                         label = "user_led";
  81                         gpios = <&gpio0 2 0x1>;
  82                         default-state = "off";
  83                         linux,default-trigger = "heartbeat";
  84                         pinctrl-names = "default";
  85                         pinctrl-0 = <&user_led_default_mode>;
  86                 };
  87         };
  88
  89         /* User key mapped in as "escape" */
  90         gpio-keys {
  91                 compatible = "gpio-keys";
  92                 user-button {
  93                         label = "user_button";
  94                         gpios = <&gpio0 3 0x1>;
  95                         linux,code = <1>; /* KEY_ESC */
  96                         gpio-key,wakeup;
  97                         pinctrl-names = "default";
  98                         pinctrl-0 = <&user_button_default_mode>;
  99                 };
 100         };
 101 };