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// SPDX-License-Identifier: ISC
/*
* Device Tree file for Linksys NSLU2
*/
/dts-v1/;
#include "intel-ixp42x.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "Linksys NSLU2 (Network Storage Link for USB 2.0 Disk Drives)";
compatible = "linksys,nslu2", "intel,ixp42x";
#address-cells = <1>;
#size-cells = <1>;
memory@0 {
/* 32 MB SDRAM */
device_type = "memory";
reg = <0x00000000 0x2000000>;
};
chosen {
bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
stdout-path = "uart0:115200n8";
};
aliases {
serial0 = &uart0;
};
leds {
compatible = "gpio-leds";
led-status {
label = "nslu2:red:status";
gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
default-state = "on";
linux,default-trigger = "heartbeat";
};
led-ready {
label = "nslu2:green:ready";
gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
led-disk-1 {
label = "nslu2:green:disk-1";
gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
default-state = "off";
};
led-disk-2 {
label = "nslu2:green:disk-2";
gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
default-state = "off";
};
};
gpio_keys {
compatible = "gpio-keys";
button-power {
wakeup-source;
linux,code = <KEY_POWER>;
label = "power";
gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
};
button-reset {
wakeup-source;
linux,code = <KEY_ESC>;
label = "reset";
gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
};
};
i2c {
compatible = "i2c-gpio";
sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
#address-cells = <1>;
#size-cells = <0>;
rtc@6f {
compatible = "xicor,x1205";
reg = <0x6f>;
};
};
gpio-poweroff {
compatible = "gpio-poweroff";
gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
timeout-ms = <5000>;
};
/* The first 16MB region on the expansion bus */
flash@50000000 {
compatible = "intel,ixp4xx-flash", "cfi-flash";
bank-width = <2>;
/*
* 8 MB of Flash in 0x20000 byte blocks
* mapped in at 0x50000000
*/
reg = <0x50000000 0x800000>;
partitions {
compatible = "redboot-fis";
/* Eraseblock at 0x7e0000 */
fis-index-block = <0x3f>;
};
};
};
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