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 <dt-bindings/interrupt-controller/irq.h>
   8 #include "ste-nomadik-stn8815.dtsi"
   9
  10 / {
  11         model = "Calao Systems USB-S8815";
  12         compatible = "calaosystems,usb-s8815";
  13
  14         chosen {
  15                 bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
  16         };
  17
  18         aliases {
  19                 serial1 = &uart1;
  20         };
  21
  22         src@101e0000 {
  23                 /* These chrystal drivers are not used on this board */
  24                 disable-sxtalo;
  25                 disable-mxtalo;
  26         };
  27
  28         pinctrl {
  29                 /* Hog CD pins */
  30                 pinctrl-names = "default";
  31                 pinctrl-0 = <&cd_default_mode>;
  32
  33                 mmcsd-cd {
  34                         cd_default_mode: cd_default {
  35                                 cd_default_cfg1 {
  36                                         /* CD input GPIO */
  37                                         pins = "GPIO111_H21";
  38                                         ste,input = <0>;
  39                                 };
  40                                 cd_default_cfg2 {
  41                                         /* CD GPIO biasing */
  42                                         pins = "GPIO112_J21";
  43                                         ste,output = <0>;
  44                                 };
  45                         };
  46                 };
  47                 gpioi2c {
  48                         gpioi2c_default_mode: gpioi2c_default {
  49                                 gpioi2c_default_cfg {
  50                                         pins = "GPIO73_C21", "GPIO74_C20";
  51                                         ste,input = <0>;
  52                                 };
  53                         };
  54                 };
  55                 user-led {
  56                         user_led_default_mode: user_led_default {
  57                                 user_led_default_cfg {
  58                                         pins = "GPIO2_C5";
  59                                         ste,output = <1>;
  60                                 };
  61                         };
  62                 };
  63                 user-button {
  64                         user_button_default_mode: user_button_default {
  65                                 user_button_default_cfg {
  66                                         pins = "GPIO3_A4";
  67                                         ste,input = <0>;
  68                                 };
  69                         };
  70                 };
  71         };
  72
  73         /* Ethernet */
  74         external-bus@34000000 {
  75                 compatible = "simple-bus";
  76                 reg = <0x34000000 0x1000000>;
  77                 #address-cells = <1>;
  78                 #size-cells = <1>;
  79                 ranges = <0 0x34000000 0x1000000>;
  80                 ethernet@300 {
  81                         compatible = "smsc,lan91c111";
  82                         reg = <0x300 0x0fd00>;
  83                         interrupt-parent = <&gpio3>;
  84                         interrupts = <8 IRQ_TYPE_EDGE_RISING>;
  85                 };
  86         };
  87
  88         /* GPIO I2C connected to the USB portions of the STw4811 only */
  89         gpio-i2c {
  90                 compatible = "i2c-gpio";
  91                 gpios = <&gpio2 10 0>, /* sda */
  92                         <&gpio2 9 0>; /* scl */
  93                 #address-cells = <1>;
  94                 #size-cells = <0>;
  95                 pinctrl-names = "default";
  96                 pinctrl-0 = <&gpioi2c_default_mode>;
  97
  98                 stw4811@2d {
  99                            compatible = "st,stw4811-usb";
 100                            reg = <0x2d>;
 101                 };
 102         };
 103
 104
 105         /* Configure card detect for the uSD slot */
 106         amba {
 107                 mmcsd: sdi@101f6000 {
 108                         cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
 109                 };
 110         };
 111
 112         /* Custom board node with GPIO pins to active etc */
 113         usb-s8815 {
 114                 /* This will bias the MMC/SD card detect line */
 115                 mmcsd-gpio {
 116                         gpios = <&gpio3 16 0x1>;
 117                 };
 118         };
 119
 120         /* The user LED on the board is set up to be used for heartbeat */
 121         leds {
 122                 compatible = "gpio-leds";
 123                 user-led {
 124                         label = "user_led";
 125                         gpios = <&gpio0 2 0x1>;
 126                         default-state = "off";
 127                         linux,default-trigger = "heartbeat";
 128                         pinctrl-names = "default";
 129                         pinctrl-0 = <&user_led_default_mode>;
 130                 };
 131         };
 132
 133         /* User key mapped in as "escape" */
 134         gpio-keys {
 135                 compatible = "gpio-keys";
 136                 user-button {
 137                         label = "user_button";
 138                         gpios = <&gpio0 3 0x1>;
 139                         linux,code = <1>; /* KEY_ESC */
 140                         gpio-key,wakeup;
 141                         pinctrl-names = "default";
 142                         pinctrl-0 = <&user_button_default_mode>;
 143                 };
 144         };
 145 };