// 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_RESTART>;
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>;
};
gpio_pwm: pwm {
#pwm-cells = <3>;
compatible = "pwm-gpio";
gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
};
beeper {
compatible = "pwm-beeper";
pwms = <&gpio_pwm 0 1 0>;
beeper-hz = <1000>;
};
soc {
bus@c4000000 {
/* The first 16MB region at CS0 on the expansion bus */
flash@0,0 {
compatible = "intel,ixp4xx-flash", "cfi-flash";
bank-width = <2>;
/* Enable writes on the expansion bus */
intel,ixp4xx-eb-write-enable = <1>;
/*
* 8 MB of Flash in 0x20000 byte blocks
* mapped in at CS0.
*/
reg = <0 0x00000000 0x800000>;
partitions {
compatible = "redboot-fis";
/* Eraseblock at 0x7e0000 */
fis-index-block = <0x3f>;
};
};
};
pci@c0000000 {
status = "okay";
/*
* Taken from NSLU2 PCI boardfile, INT A, B, C swizzled D constant
* We have slots (IDSEL) 1, 2 and 3.
*/
#interrupt-cells = <1>;
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map =
/* IDSEL 1 */
<0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
<0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 10 */
<0x0800 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 9 */
<0x0800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */
/* IDSEL 2 */
<0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
<0x1000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */
<0x1000 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 11 */
<0x1000 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 2 is irq 8 */
/* IDSEL 3 */
<0x1800 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
<0x1800 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 11 */
<0x1800 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 10 */
<0x1800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 3 is irq 8 */
};
ethernet@c8009000 {
status = "okay";
queue-rx = <&qmgr 3>;
queue-txready = <&qmgr 20>;
phy-mode = "rgmii";
phy-handle = <&phy1>;
mdio {
#address-cells = <1>;
#size-cells = <0>;
phy1: ethernet-phy@1 {
reg = <1>;
};
};
};
};
};
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