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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device tree for EFM32GG-DK3750 development board.
   4  *
   5  * Documentation available from
   6  * http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf
   7  */
   8
   9 /dts-v1/;
  10 #include "efm32gg.dtsi"
  11
  12 / {
  13         model = "Energy Micro Giant Gecko Development Kit";
  14         compatible = "efm32,dk3750";
  15
  16         chosen {
  17                 bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0";
  18         };
  19
  20         memory@88000000 {
  21                 device_type = "memory";
  22                 reg = <0x88000000 0x400000>;
  23         };
  24
  25         soc {
  26                 adc@40002000 {
  27                         status = "ok";
  28                 };
  29
  30                 i2c@4000a000 {
  31                         energymicro,location = <3>;
  32                         status = "ok";
  33
  34                         temp@48 {
  35                                 compatible = "st,stds75";
  36                                 reg = <0x48>;
  37                         };
  38
  39                         eeprom@50 {
  40                                 compatible = "microchip,24c02";
  41                                 reg = <0x50>;
  42                                 pagesize = <16>;
  43                         };
  44                 };
  45
  46                 spi0: spi@4000c000 { /* USART0 */
  47                         cs-gpios = <&gpio 68 1>; // E4
  48                         energymicro,location = <1>;
  49                         status = "ok";
  50
  51                         microsd@0 {
  52                                 compatible = "mmc-spi-slot";
  53                                 spi-max-frequency = <100000>;
  54                                 voltage-ranges = <3200 3400>;
  55                                 broken-cd;
  56                                 reg = <0>;
  57                         };
  58                 };
  59
  60                 spi1: spi@4000c400 { /* USART1 */
  61                         cs-gpios = <&gpio 51 1>; // D3
  62                         energymicro,location = <1>;
  63                         status = "ok";
  64
  65                         ks8851@0 {
  66                                 compatible = "ks8851";
  67                                 spi-max-frequency = <6000000>;
  68                                 reg = <0>;
  69                                 interrupt-parent = <&boardfpga>;
  70                                 interrupts = <4>;
  71                         };
  72                 };
  73
  74                 uart4: uart@4000e400 { /* UART1 */
  75                         energymicro,location = <2>;
  76                         status = "ok";
  77                 };
  78
  79                 boardfpga: boardfpga@80000000 {
  80                         compatible = "efm32board";
  81                         reg = <0x80000000 0x400>;
  82                         irq-gpios = <&gpio 64 1>;
  83                         interrupt-controller;
  84                         #interrupt-cells = <1>;
  85                         status = "ok";
  86                 };
  87         };
  88 };