* use a copy and modify version of the UBNT-ERX for the UBNT-ERX-SFP
* define i2c-gpio via DTS
(Linux/Documentation/devicetree/bindings/i2c/i2c-gpio.txt)
* also define PCA9555 for PoE-switching in DTS
---
target/linux/ramips/dts/UBNT-ERX-SFP.dts | 121 +++++++++++++++++++++++++++++++
target/linux/ramips/image/mt7621.mk | 2 +-
2 files changed, 122 insertions(+), 1 deletion(-)
create mode 100644 target/linux/ramips/dts/UBNT-ERX-SFP.dts
diff --git a/target/linux/ramips/dts/UBNT-ERX-SFP.dts
b/target/linux/ramips/dts/UBNT-ERX-SFP.dts
new file mode 100644
index 0000000..808086a
--- /dev/null
+++ b/target/linux/ramips/dts/UBNT-ERX-SFP.dts
@@ -0,0 +1,121 @@
+#include <dt-bindings/input/input.h>
+
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+/ {
+ model = "UBNT-ERX-SFP";
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x10000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,57600";
+ };
+
+ gpio-keys-polled {
+ compatible = "gpio-keys-polled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ poll-interval = <20>;
+
+ reset {
+ label = "reset";
+ gpios = <&gpio0 12 1>;
+ linux,code = <KEY_RESTART>;
+ };
+ };
+
+ i2c-gpio {
+ compatible = "i2c-gpio";
+ gpios = <&gpio0 3 0 /* sda */
+ &gpio0 4 0 /* scl */
+ >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pca9555@25 {
+ compatible = "pca9555";
+ reg = <0x25>;
+ };
+ };
+};
+
+ðernet {
+ mtd-mac-address = <&factory 0x22>;
+};
+
+&nand {
+ status = "okay";
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x80000>;
+ read-only;
+ };
+
+ partition@80000 {
+ label = "u-boot-env";
+ reg = <0x80000 0x60000>;
+ read-only;
+ };
+
+ factory: partition@e0000 {
+ label = "factory";
+ reg = <0xe0000 0x60000>;
+ };
+
+ partition@140000 {
+ label = "kernel1";
+ reg = <0x140000 0x300000>;
+ };
+
+ partition@440000 {
+ label = "kernel2";
+ reg = <0x440000 0x300000>;
+ };
+
+ partition@740000 {
+ label = "ubi";
+ reg = <0x740000 0xf7c0000>;
+ };
+};
+
+&pinctrl {
+ state_default: pinctrl0 {
+ gpio {
+ ralink,group = "uart2", "uart3", "i2c", "pcie",
"rgmii2", "jtag";
+ ralink,function = "gpio";
+ };
+ };
+};
+
+&spi0 {
+ /* This board has 2Mb spi flash soldered in and visible
+ from manufacturer's firmware.
+ But this SoC shares spi and nand pins,
+ and current driver does't handle this sharing well */
+ status = "disabled";
+
+ m25p80@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <1>;
+ spi-max-frequency = <10000000>;
+ m25p,chunked-io = <32>;
+
+ partition@0 {
+ label = "spi";
+ reg = <0x0 0x200000>;
+ read-only;
+ };
+ };
+};
+
+&xhci {
+ status = "disabled";
+};
diff --git a/target/linux/ramips/image/mt7621.mk
b/target/linux/ramips/image/mt7621.mk
index 22b04d9..f65449a 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -177,7 +177,7 @@ endef
TARGET_DEVICES += ubnt-erx
define Device/ubnt-erx-sfp
- DTS := UBNT-ERX
+ DTS := UBNT-ERX-SFP
FILESYSTEMS := squashfs
KERNEL_SIZE := 3145728
KERNEL := $(KERNEL_DTB) | uImage lzma
--
2.1.4
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