5113f6f70
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kernel add
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/*
* Device tree for EFM32GG-DK3750 development board.
*
* Documentation available from
* http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf
*/
/dts-v1/;
#include "efm32gg.dtsi"
/ {
model = "Energy Micro Giant Gecko Development Kit";
compatible = "efm32,dk3750";
chosen {
bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0";
};
memory {
reg = <0x88000000 0x400000>;
};
soc {
adc@40002000 {
status = "ok";
};
i2c@4000a000 {
energymicro,location = <3>;
status = "ok";
temp@48 {
compatible = "st,stds75";
reg = <0x48>;
};
eeprom@50 {
compatible = "microchip,24c02";
reg = <0x50>;
pagesize = <16>;
};
};
spi0: spi@4000c000 { /* USART0 */
cs-gpios = <&gpio 68 1>; // E4
energymicro,location = <1>;
status = "ok";
microsd@0 {
compatible = "mmc-spi-slot";
spi-max-frequency = <100000>;
voltage-ranges = <3200 3400>;
broken-cd;
reg = <0>;
};
};
spi1: spi@4000c400 { /* USART1 */
cs-gpios = <&gpio 51 1>; // D3
energymicro,location = <1>;
status = "ok";
ks8851@0 {
compatible = "ks8851";
spi-max-frequency = <6000000>;
reg = <0>;
interrupt-parent = <&boardfpga>;
interrupts = <4>;
};
};
uart4: uart@4000e400 { /* UART1 */
energymicro,location = <2>;
status = "ok";
};
boardfpga: boardfpga {
compatible = "efm32board";
reg = <0x80000000 0x400>;
irq-gpios = <&gpio 64 1>;
interrupt-controller;
#interrupt-cells = <1>;
status = "ok";
};
};
};
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