ramips: Add support for Xiaomi MiWiFi Nano

Xiaomi MiWiFi Nano is based on Mediatek MT7628 with 64MB ram 16MB flash

Signed-off-by: Noble Pepper <openwrtmail@noblepepper.com>

v3  includes changes suggested by L. D. Pinney & Karl Palsson-
Eliminate en25q64 (4MB) flash chip
Alphabetization
Remove hyphen in model
Rename profile from miwifinano.mk to xiaomi.mk
Add gpios that are attached to leds

SVN-Revision: 49024

1 files changed, 99 insertions, 0 deletions

diff --git a/target/linux/ramips/dts/MIWIFI-NANO.dts b/target/linux/ramips/dts/MIWIFI-NANO.dts
new file mode 100644
index 0000000000..ea7b27035a
--- /dev/null
+++ b/target/linux/ramips/dts/MIWIFI-NANO.dts
@@ -0,0 +1,99 @@
+/dts-v1/;
+
+/include/ "mt7628an.dtsi"
+
+/ {
+	compatible = "xiaomi,MiWifi Nano", "mediatek,mt7628an-soc";
+	model = "MiWiFi Nano";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "gpio";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-export {
+		compatible = "gpio-export";
+		#size-cells = <0>;
+
+		gpio11 {
+			/* blue led */
+			gpio-export,name = "gpio11";
+			gpio-export,direction_may_change = <1>;
+			gpio-export,output = <1>;
+			gpios = <&gpio0 11 0>;
+		};
+
+		gpio37 {
+			/* red led */
+			gpio-export,name = "gpio37";
+			gpio-export,direction_may_change = <1>;
+			gpio-export,output = <1>;
+			gpios = <&gpio1 5 0>;
+		};
+
+		gpio44 {
+			/* yellow led */
+			gpio-export,name = "gpio44";
+			gpio-export,direction_may_change = <1>;
+			gpio-export,output = <1>;
+			gpios = <&gpio1 12 0>;
+		};
+	};
+
+
+	wmac@10300000 {
+		status = "okay";
+	};
+
+	palmbus@10000000 {
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "jedec,spi-nor";
+				reg = <0 0>;
+				linux,modalias = "m25p80";
+				spi-max-frequency = <10000000>;
+				m25p,chunked-io = <32>;
+
+				partition@0 {
+					label = "u-boot";
+					reg = <0x0 0x30000>;
+					read-only;
+				};
+
+				partition@30000 {
+					label = "u-boot-env";
+					reg = <0x30000 0x10000>;
+					read-only;
+				};
+
+				factory: partition@40000 {
+					label = "factory";
+					reg = <0x40000 0x10000>;
+					read-only;
+				};
+
+				partition@50000 {
+					label = "firmware";
+					reg = <0x50000 0x7b0000>;
+				};
+			};
+		};
+	};
+};