1 // SPDX-License-Identifier: GPL-2.0
3 * Device tree for EFM32GG-DK3750 development board.
5 * Documentation available from
6 * http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf
10 #include "efm32gg.dtsi"
13 model = "Energy Micro Giant Gecko Development Kit";
14 compatible = "efm32,dk3750";
17 bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0";
21 device_type = "memory";
22 reg = <0x88000000 0x400000>;
31 energymicro,location = <3>;
35 compatible = "st,stds75";
40 compatible = "microchip,24c02", "atmel,24c02";
46 spi0: spi@4000c000 { /* USART0 */
47 cs-gpios = <&gpio 68 1>; // E4
48 energymicro,location = <1>;
52 compatible = "mmc-spi-slot";
53 spi-max-frequency = <100000>;
54 voltage-ranges = <3200 3400>;
60 spi1: spi@4000c400 { /* USART1 */
61 cs-gpios = <&gpio 51 1>; // D3
62 energymicro,location = <1>;
66 compatible = "ks8851";
67 spi-max-frequency = <6000000>;
69 interrupt-parent = <&boardfpga>;
74 uart4: uart@4000e400 { /* UART1 */
75 energymicro,location = <2>;
79 boardfpga: boardfpga@80000000 {
80 compatible = "efm32board";
81 reg = <0x80000000 0x400>;
82 irq-gpios = <&gpio 64 1>;
84 #interrupt-cells = <1>;