1 // SPDX-License-Identifier: ISC
3 * Device Tree file for Linksys NSLU2
8 #include "intel-ixp42x.dtsi"
9 #include <dt-bindings/input/input.h>
12 model = "Linksys NSLU2 (Network Storage Link for USB 2.0 Disk Drives)";
13 compatible = "linksys,nslu2", "intel,ixp42x";
19 device_type = "memory";
20 reg = <0x00000000 0x2000000>;
24 bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
25 stdout-path = "uart0:115200n8";
33 compatible = "gpio-leds";
35 label = "nslu2:red:status";
36 gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
38 linux,default-trigger = "heartbeat";
41 label = "nslu2:green:ready";
42 gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
46 label = "nslu2:green:disk-1";
47 gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
48 default-state = "off";
51 label = "nslu2:green:disk-2";
52 gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
53 default-state = "off";
58 compatible = "gpio-keys";
62 linux,code = <KEY_POWER>;
64 gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
68 linux,code = <KEY_ESC>;
70 gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
75 compatible = "i2c-gpio";
76 sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
77 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
82 compatible = "xicor,x1205";
88 compatible = "gpio-poweroff";
89 gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
94 compatible = "gpio-beeper";
95 gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
100 /* The first 16MB region at CS0 on the expansion bus */
102 compatible = "intel,ixp4xx-flash", "cfi-flash";
105 * 8 MB of Flash in 0x20000 byte blocks
108 reg = <0 0x00000000 0x800000>;
111 compatible = "redboot-fis";
112 /* Eraseblock at 0x7e0000 */
113 fis-index-block = <0x3f>;
122 * Taken from NSLU2 PCI boardfile, INT A, B, C swizzled D constant
123 * We have slots (IDSEL) 1, 2 and 3.
127 <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
128 <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 10 */
129 <0x0800 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 9 */
130 <0x0800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */
132 <0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
133 <0x1000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */
134 <0x1000 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 11 */
135 <0x1000 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 2 is irq 8 */
137 <0x1800 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
138 <0x1800 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 11 */
139 <0x1800 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 10 */
140 <0x1800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 3 is irq 8 */
145 queue-rx = <&qmgr 3>;
146 queue-txready = <&qmgr 20>;
148 phy-handle = <&phy1>;
151 #address-cells = <1>;
154 phy1: ethernet-phy@1 {