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