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         pinctrl {
  26                 /* Hog CD pins */
  27                 pinctrl-names = "default";
  28                 pinctrl-0 = <&cd_default_mode>;
  29
  30                 mmcsd-cd {
  31                         cd_default_mode: cd_default {
  32                                 cd_default_cfg1 {
  33                                         /* CD input GPIO */
  34                                         ste,pins = "GPIO111_H21";
  35                                         ste,input = <0>;
  36                                 };
  37                                 cd_default_cfg2 {
  38                                         /* CD GPIO biasing */
  39                                         ste,pins = "GPIO112_J21";
  40                                         ste,output = <0>;
  41                                 };
  42                         };
  43                 };
  44                 user-led {
  45                         user_led_default_mode: user_led_default {
  46                                 user_led_default_cfg {
  47                                         ste,pins = "GPIO2_C5";
  48                                         ste,output = <1>;
  49                                 };
  50                         };
  51                 };
  52                 user-button {
  53                         user_button_default_mode: user_button_default {
  54                                 user_button_default_cfg {
  55                                         ste,pins = "GPIO3_A4";
  56                                         ste,input = <0>;
  57                                 };
  58                         };
  59                 };
  60         };
  61
  62         /* Custom board node with GPIO pins to active etc */
  63         usb-s8815 {
  64                 /* The S8815 is using this very GPIO pin for the SMSC91x IRQs */
  65                 ethernet-gpio {
  66                         gpios = <&gpio3 8 0x1>;
  67                 };
  68                 /* This will bias the MMC/SD card detect line */
  69                 mmcsd-gpio {
  70                         gpios = <&gpio3 16 0x1>;
  71                 };
  72         };
  73
  74         /* The user LED on the board is set up to be used for heartbeat */
  75         leds {
  76                 compatible = "gpio-leds";
  77                 user-led {
  78                         label = "user_led";
  79                         gpios = <&gpio0 2 0x1>;
  80                         default-state = "off";
  81                         linux,default-trigger = "heartbeat";
  82                         pinctrl-names = "default";
  83                         pinctrl-0 = <&user_led_default_mode>;
  84                 };
  85         };
  86
  87         /* User key mapped in as "escape" */
  88         gpio-keys {
  89                 compatible = "gpio-keys";
  90                 user-button {
  91                         label = "user_button";
  92                         gpios = <&gpio0 3 0x1>;
  93                         linux,code = <1>; /* KEY_ESC */
  94                         gpio-key,wakeup;
  95                         pinctrl-names = "default";
  96                         pinctrl-0 = <&user_button_default_mode>;
  97                 };
  98         };
  99 };