ste-nomadik-s8815.dts

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    1 // SPDX-License-Identifier: GPL-2.0
    2 /*
    3  * Device Tree for the ST-Ericsson Nomadik S8815 board
    4  * Produced by Calao Systems
    5  */
    6 
    7 /dts-v1/;
    8 #include <dt-bindings/interrupt-controller/irq.h>
    9 #include "ste-nomadik-stn8815.dtsi"
   10 
   11 / {
   12         model = "Calao Systems USB-S8815";
   13         compatible = "calaosystems,usb-s8815";
   14 
   15         chosen {
   16                 bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
   17         };
   18 
   19         aliases {
   20                 serial0 = &uart0;
   21                 serial1 = &uart1;
   22         };
   23 
   24         gpio3: gpio@101e7000 {
   25                 /* This hog will bias the MMC/SD card detect line */
   26                 mmcsd-gpio {
   27                         gpio-hog;
   28                         gpios = <16 0x0>;
   29                         output-low;
   30                         line-name = "card detect bias";
   31                 };
   32         };
   33 
   34         src@101e0000 {
   35                 /* These chrystal drivers are not used on this board */
   36                 disable-sxtalo;
   37                 disable-mxtalo;
   38         };
   39 
   40         pinctrl {
   41                 /* Hog CD pins */
   42                 pinctrl-names = "default";
   43                 pinctrl-0 = <&cd_default_mode>;
   44 
   45                 uart0 {
   46                         /* Only use RX/TX pins */
   47                         uart0_s8815_mode: uart0_mux {
   48                                 u0_default_mux {
   49                                         function = "u0";
   50                                         groups = "u0txrx_a_1";
   51                                 };
   52                         };
   53                 };
   54                 mmcsd-cd {
   55                         cd_default_mode: cd_default {
   56                                 cd_default_cfg1 {
   57                                         /* CD input GPIO */
   58                                         pins = "GPIO111_H21";
   59                                         ste,input = <0>;
   60                                 };
   61                                 cd_default_cfg2 {
   62                                         /* CD GPIO biasing */
   63                                         pins = "GPIO112_J21";
   64                                         ste,output = <0>;
   65                                 };
   66                         };
   67                 };
   68                 gpioi2c {
   69                         gpioi2c_default_mode: gpioi2c_default {
   70                                 gpioi2c_default_cfg {
   71                                         pins = "GPIO73_C21", "GPIO74_C20";
   72                                         ste,input = <0>;
   73                                 };
   74                         };
   75                 };
   76                 user-led {
   77                         user_led_default_mode: user_led_default {
   78                                 user_led_default_cfg {
   79                                         pins = "GPIO2_C5";
   80                                         ste,output = <1>;
   81                                 };
   82                         };
   83                 };
   84                 user-button {
   85                         user_button_default_mode: user_button_default {
   86                                 user_button_default_cfg {
   87                                         pins = "GPIO3_A4";
   88                                         ste,input = <0>;
   89                                 };
   90                         };
   91                 };
   92         };
   93 
   94         /* Ethernet */
   95         external-bus@34000000 {
   96                 compatible = "simple-bus";
   97                 reg = <0x34000000 0x1000000>;
   98                 #address-cells = <1>;
   99                 #size-cells = <1>;
  100                 ranges = <0 0x34000000 0x1000000>;
  101                 ethernet@300 {
  102                         compatible = "smsc,lan91c111";
  103                         reg = <0x300 0x0fd00>;
  104                         interrupt-parent = <&gpio3>;
  105                         interrupts = <8 IRQ_TYPE_EDGE_RISING>;
  106                 };
  107         };
  108 
  109         i2c1 {
  110                 lis3lv02dl@1d {
  111                         /* Accelerometer */
  112                         compatible = "st,lis3lv02dl-accel";
  113                         reg = <0x1d>;
  114                 };
  115         };
  116 
  117         /* GPIO I2C connected to the USB portions of the STw4811 only */
  118         gpio-i2c {
  119                 compatible = "i2c-gpio";
  120                 gpios = <&gpio2 10 0>, /* sda */
  121                         <&gpio2 9 0>; /* scl */
  122                 #address-cells = <1>;
  123                 #size-cells = <0>;
  124                 pinctrl-names = "default";
  125                 pinctrl-0 = <&gpioi2c_default_mode>;
  126 
  127                 stw4811@2d {
  128                            compatible = "st,stw4811-usb";
  129                            reg = <0x2d>;
  130                 };
  131         };
  132 
  133 
  134         amba {
  135                 /* Activate RXTX on UART 0 */
  136                 uart0: uart@101fd000 {
  137                         pinctrl-names = "default";
  138                         pinctrl-0 = <&uart0_s8815_mode>;
  139                         status = "okay";
  140                 };
  141                 /* Configure card detect for the uSD slot */
  142                 mmc@101f6000 {
  143                         cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
  144                 };
  145         };
  146 
  147         /* The user LED on the board is set up to be used for heartbeat */
  148         leds {
  149                 compatible = "gpio-leds";
  150                 user-led {
  151                         label = "user_led";
  152                         gpios = <&gpio0 2 0x1>;
  153                         default-state = "off";
  154                         linux,default-trigger = "heartbeat";
  155                         pinctrl-names = "default";
  156                         pinctrl-0 = <&user_led_default_mode>;
  157                 };
  158         };
  159 
  160         /* User key mapped in as "escape" */
  161         gpio-keys {
  162                 compatible = "gpio-keys";
  163                 user-button {
  164                         label = "user_button";
  165                         gpios = <&gpio0 3 0x1>;
  166                         linux,code = <1>; /* KEY_ESC */
  167                         wakeup-source;
  168                         pinctrl-names = "default";
  169                         pinctrl-0 = <&user_button_default_mode>;
  170                 };
  171         };
  172 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/ste-nomadik-s8815.dts

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sys/contrib/device-tree/src/arm/ste-nomadik-s8815.dts