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Diffstat (limited to 'arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts')
-rw-r--r--arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts162
1 files changed, 162 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts b/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
new file mode 100644
index 000000000..0edc5928e
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
@@ -0,0 +1,162 @@
+// 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>;
+ };
+ };
+ };
+ };
+};