mirror of https://gitee.com/openkylin/linux.git
89 lines
1.7 KiB
Plaintext
89 lines
1.7 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* Device tree for EFM32GG-DK3750 development board.
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*
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* Documentation available from
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* http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf
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*/
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/dts-v1/;
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#include "efm32gg.dtsi"
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/ {
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model = "Energy Micro Giant Gecko Development Kit";
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compatible = "efm32,dk3750";
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chosen {
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bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0";
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};
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memory@88000000 {
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device_type = "memory";
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reg = <0x88000000 0x400000>;
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};
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soc {
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adc@40002000 {
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status = "ok";
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};
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i2c@4000a000 {
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energymicro,location = <3>;
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status = "ok";
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temp@48 {
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compatible = "st,stds75";
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reg = <0x48>;
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};
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eeprom@50 {
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compatible = "microchip,24c02";
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reg = <0x50>;
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pagesize = <16>;
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};
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};
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spi0: spi@4000c000 { /* USART0 */
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cs-gpios = <&gpio 68 1>; // E4
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energymicro,location = <1>;
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status = "ok";
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microsd@0 {
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compatible = "mmc-spi-slot";
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spi-max-frequency = <100000>;
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voltage-ranges = <3200 3400>;
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broken-cd;
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reg = <0>;
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};
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};
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spi1: spi@4000c400 { /* USART1 */
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cs-gpios = <&gpio 51 1>; // D3
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energymicro,location = <1>;
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status = "ok";
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ks8851@0 {
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compatible = "ks8851";
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spi-max-frequency = <6000000>;
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reg = <0>;
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interrupt-parent = <&boardfpga>;
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interrupts = <4>;
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};
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};
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uart4: uart@4000e400 { /* UART1 */
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energymicro,location = <2>;
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status = "ok";
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};
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boardfpga: boardfpga@80000000 {
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compatible = "efm32board";
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reg = <0x80000000 0x400>;
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irq-gpios = <&gpio 64 1>;
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interrupt-controller;
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#interrupt-cells = <1>;
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status = "ok";
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};
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};
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};
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