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 {
  20                 reg = <0x88000000 0x400000>;
  21         };
  22
  23         soc {
  24                 adc@40002000 {
  25                         status = "ok";
  26                 };
  27
  28                 i2c@4000a000 {
  29                         energymicro,location = <3>;
  30                         status = "ok";
  31
  32                         temp@48 {
  33                                 compatible = "st,stds75";
  34                                 reg = <0x48>;
  35                         };
  36
  37                         eeprom@50 {
  38                                 compatible = "microchip,24c02";
  39                                 reg = <0x50>;
  40                                 pagesize = <16>;
  41                         };
  42                 };
  43
  44                 spi0: spi@4000c000 { /* USART0 */
  45                         cs-gpios = <&gpio 68 1>; // E4
  46                         energymicro,location = <1>;
  47                         status = "ok";
  48
  49                         microsd@0 {
  50                                 compatible = "mmc-spi-slot";
  51                                 spi-max-frequency = <100000>;
  52                                 voltage-ranges = <3200 3400>;
  53                                 broken-cd;
  54                                 reg = <0>;
  55                         };
  56                 };
  57
  58                 spi1: spi@4000c400 { /* USART1 */
  59                         cs-gpios = <&gpio 51 1>; // D3
  60                         energymicro,location = <1>;
  61                         status = "ok";
  62
  63                         ks8851@0 {
  64                                 compatible = "ks8851";
  65                                 spi-max-frequency = <6000000>;
  66                                 reg = <0>;
  67                                 interrupt-parent = <&boardfpga>;
  68                                 interrupts = <4>;
  69                         };
  70                 };
  71
  72                 uart4: uart@4000e400 { /* UART1 */
  73                         energymicro,location = <2>;
  74                         status = "ok";
  75                 };
  76
  77                 boardfpga: boardfpga {
  78                         compatible = "efm32board";
  79                         reg = <0x80000000 0x400>;
  80                         irq-gpios = <&gpio 64 1>;
  81                         interrupt-controller;
  82                         #interrupt-cells = <1>;
  83                         status = "ok";
  84                 };
  85         };
  86 };