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authorLinus Walleij <linus.walleij@linaro.org>2019-01-27 16:11:41 +0300
committerLinus Walleij <linus.walleij@linaro.org>2019-04-23 17:02:15 +0300
commitb9a35d705a6780b5b89121e685c3e43c9ffa34f8 (patch)
tree694131153e11cb407dd6f27015a5b37a30c9caa4 /arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
parent9540724ca29d54b65aaea120072166ebc2d5f4a1 (diff)
downloadlinux-b9a35d705a6780b5b89121e685c3e43c9ffa34f8.tar.xz
ARM: dts: Add some initial IXP4xx device trees
This adds a device tree for the IXP4xx-based Linksys NSLU2 and Gateworks GW2358 which encompass the Gateworks Cambria family. These will be the first IXP4xx device tree platforms. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts')
-rw-r--r--arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts109
1 files changed, 109 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 000000000000..8fcd95805ff4
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
@@ -0,0 +1,109 @@
+// 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>;
+ };
+
+ /* The first 16MB region on the expansion bus */
+ flash@50000000 {
+ compatible = "intel,ixp4xx-flash", "cfi-flash";
+ bank-width = <2>;
+ /*
+ * 8 MB of Flash in 0x20000 byte blocks
+ * mapped in at 0x50000000
+ */
+ reg = <0x50000000 0x800000>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* Eraseblock at 0x7e0000 */
+ fis-index-block = <0x3f>;
+ };
+ };
+};