arch/arm/boot/dts/efm32gg-dk3750.dts

   1 /*
   2  * Device tree for EFM32GG-DK3750 development board.
   3  *
   4  * Documentation available from
   5  * http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf
   6  */
   7
   8 /dts-v1/;
   9 #include "efm32gg.dtsi"
  10
  11 / {
  12         model = "Energy Micro Giant Gecko Development Kit";
  13         compatible = "efm32,dk3750";
  14
  15         chosen {
  16                 bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0";
  17         };
  18
  19         memory@88000000 {
  20                 device_type = "memory";
  21                 reg = <0x88000000 0x400000>;
  22         };
  23
  24         soc {
  25                 adc@40002000 {
  26                         status = "ok";
  27                 };
  28
  29                 i2c@4000a000 {
  30                         energymicro,location = <3>;
  31                         status = "ok";
  32
  33                         temp@48 {
  34                                 compatible = "st,stds75";
  35                                 reg = <0x48>;
  36                         };
  37
  38                         eeprom@50 {
  39                                 compatible = "microchip,24c02";
  40                                 reg = <0x50>;
  41                                 pagesize = <16>;
  42                         };
  43                 };
  44
  45                 spi0: spi@4000c000 { /* USART0 */
  46                         cs-gpios = <&gpio 68 1>; // E4
  47                         energymicro,location = <1>;
  48                         status = "ok";
  49
  50                         microsd@0 {
  51                                 compatible = "mmc-spi-slot";
  52                                 spi-max-frequency = <100000>;
  53                                 voltage-ranges = <3200 3400>;
  54                                 broken-cd;
  55                                 reg = <0>;
  56                         };
  57                 };
  58
  59                 spi1: spi@4000c400 { /* USART1 */
  60                         cs-gpios = <&gpio 51 1>; // D3
  61                         energymicro,location = <1>;
  62                         status = "ok";
  63
  64                         ks8851@0 {
  65                                 compatible = "ks8851";
  66                                 spi-max-frequency = <6000000>;
  67                                 reg = <0>;
  68                                 interrupt-parent = <&boardfpga>;
  69                                 interrupts = <4>;
  70                         };
  71                 };
  72
  73                 uart4: uart@4000e400 { /* UART1 */
  74                         energymicro,location = <2>;
  75                         status = "ok";
  76                 };
  77
  78                 boardfpga: boardfpga@80000000 {
  79                         compatible = "efm32board";
  80                         reg = <0x80000000 0x400>;
  81                         irq-gpios = <&gpio 64 1>;
  82                         interrupt-controller;
  83                         #interrupt-cells = <1>;
  84                         status = "ok";
  85                 };
  86         };
  87 };