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                 serial0 = &uart0;
  20                 serial1 = &uart1;
  21         };
  22
  23         gpio3: gpio@101e7000 {
  24                 /* This hog will bias the MMC/SD card detect line */
  25                 mmcsd-gpio {
  26                         gpio-hog;
  27                         gpios = <16 0x0>;
  28                         output-low;
  29                         line-name = "card detect bias";
  30                 };
  31         };
  32
  33         src@101e0000 {
  34                 /* These chrystal drivers are not used on this board */
  35                 disable-sxtalo;
  36                 disable-mxtalo;
  37         };
  38
  39         pinctrl {
  40                 /* Hog CD pins */
  41                 pinctrl-names = "default";
  42                 pinctrl-0 = <&cd_default_mode>;
  43
  44                 uart0 {
  45                         /* Only use RX/TX pins */
  46                         uart0_s8815_mode: uart0_mux {
  47                                 u0_default_mux {
  48                                         function = "u0";
  49                                         groups = "u0txrx_a_1";
  50                                 };
  51                         };
  52                 };
  53                 mmcsd-cd {
  54                         cd_default_mode: cd_default {
  55                                 cd_default_cfg1 {
  56                                         /* CD input GPIO */
  57                                         pins = "GPIO111_H21";
  58                                         ste,input = <0>;
  59                                 };
  60                                 cd_default_cfg2 {
  61                                         /* CD GPIO biasing */
  62                                         pins = "GPIO112_J21";
  63                                         ste,output = <0>;
  64                                 };
  65                         };
  66                 };
  67                 gpioi2c {
  68                         gpioi2c_default_mode: gpioi2c_default {
  69                                 gpioi2c_default_cfg {
  70                                         pins = "GPIO73_C21", "GPIO74_C20";
  71                                         ste,input = <0>;
  72                                 };
  73                         };
  74                 };
  75                 user-led {
  76                         user_led_default_mode: user_led_default {
  77                                 user_led_default_cfg {
  78                                         pins = "GPIO2_C5";
  79                                         ste,output = <1>;
  80                                 };
  81                         };
  82                 };
  83                 user-button {
  84                         user_button_default_mode: user_button_default {
  85                                 user_button_default_cfg {
  86                                         pins = "GPIO3_A4";
  87                                         ste,input = <0>;
  88                                 };
  89                         };
  90                 };
  91         };
  92
  93         /* Ethernet */
  94         external-bus@34000000 {
  95                 compatible = "simple-bus";
  96                 reg = <0x34000000 0x1000000>;
  97                 #address-cells = <1>;
  98                 #size-cells = <1>;
  99                 ranges = <0 0x34000000 0x1000000>;
 100                 ethernet@300 {
 101                         compatible = "smsc,lan91c111";
 102                         reg = <0x300 0x0fd00>;
 103                         interrupt-parent = <&gpio3>;
 104                         interrupts = <8 IRQ_TYPE_EDGE_RISING>;
 105                 };
 106         };
 107
 108         i2c1 {
 109                 lis3lv02dl@1d {
 110                         /* Accelerometer */
 111                         compatible = "st,lis3lv02dl-accel";
 112                         reg = <0x1d>;
 113                 };
 114         };
 115
 116         /* GPIO I2C connected to the USB portions of the STw4811 only */
 117         gpio-i2c {
 118                 compatible = "i2c-gpio";
 119                 gpios = <&gpio2 10 0>, /* sda */
 120                         <&gpio2 9 0>; /* scl */
 121                 #address-cells = <1>;
 122                 #size-cells = <0>;
 123                 pinctrl-names = "default";
 124                 pinctrl-0 = <&gpioi2c_default_mode>;
 125
 126                 stw4811@2d {
 127                            compatible = "st,stw4811-usb";
 128                            reg = <0x2d>;
 129                 };
 130         };
 131
 132
 133         amba {
 134                 /* Activate RXTX on UART 0 */
 135                 uart0: uart@101fd000 {
 136                         pinctrl-names = "default";
 137                         pinctrl-0 = <&uart0_s8815_mode>;
 138                         status = "okay";
 139                 };
 140                 /* Configure card detect for the uSD slot */
 141                 mmcsd: sdi@101f6000 {
 142                         cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
 143                 };
 144         };
 145
 146         /* The user LED on the board is set up to be used for heartbeat */
 147         leds {
 148                 compatible = "gpio-leds";
 149                 user-led {
 150                         label = "user_led";
 151                         gpios = <&gpio0 2 0x1>;
 152                         default-state = "off";
 153                         linux,default-trigger = "heartbeat";
 154                         pinctrl-names = "default";
 155                         pinctrl-0 = <&user_led_default_mode>;
 156                 };
 157         };
 158
 159         /* User key mapped in as "escape" */
 160         gpio-keys {
 161                 compatible = "gpio-keys";
 162                 user-button {
 163                         label = "user_button";
 164                         gpios = <&gpio0 3 0x1>;
 165                         linux,code = <1>; /* KEY_ESC */
 166                         gpio-key,wakeup;
 167                         pinctrl-names = "default";
 168                         pinctrl-0 = <&user_button_default_mode>;
 169                 };
 170         };
 171 };