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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>;
- };
- gpio-beeper {
- compatible = "gpio-beeper";
- gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
- };
- 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>;
- /*
- * 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 = "ok";
- /*
- * 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 = "ok";
- 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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