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