ralink: add HLK-RM04 support

https://github.com/JiapengLi/OpenWrt-HiLink-HLK-RM04

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39237 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 112 insertions, 0 deletions

diff --git a/target/linux/ramips/dts/HLKRM04.dts b/target/linux/ramips/dts/HLKRM04.dts
new file mode 100644
index 0000000000..13597dc7d5
--- /dev/null
+++ b/target/linux/ramips/dts/HLKRM04.dts
@@ -0,0 +1,103 @@
+/dts-v1/;
+
+/include/ "rt5350.dtsi"
+
+/ {
+	compatible = "HLKRM04", "ralink,rt5350-soc";
+	model = "HILINK HLK-RM04";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x1000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS1,57600";
+	};
+
+	palmbus@10000000 {
+		uart@500 {
+			status = "okay";
+		};
+
+		spi@b00 {
+			status = "okay";
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "gd25q64";
+				reg = <0 0>;
+				linux,modalias = "m25p80", "s25fl064k";
+				spi-max-frequency = <10000000>;
+
+				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 0x3b0000>;
+				};
+			};
+		};
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "jtag";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	ethernet@10100000 {
+		mtd-mac-address = <&factory 0x4>;
+	};
+
+	wmac@10180000 {
+		ralink,mtd-eeprom = <&factory 0>;
+	};
+
+	ehci@101c0000 {
+		status = "okay";
+	};
+
+	ohci@101c1000 {
+		status = "okay";
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+		wps {
+			label = "reset";
+			gpios = <&gpio0 14 1>;
+			linux,code = <0x198>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		power {
+			label = "hlk-rm04:red:power";
+			gpios = <&gpio0 0 1>;
+		};
+	};
+};
diff --git a/target/linux/ramips/dts/rt5350.dtsi b/target/linux/ramips/dts/rt5350.dtsi
index cb9077f7b4..7353c82f85 100644
--- a/target/linux/ramips/dts/rt5350.dtsi
+++ b/target/linux/ramips/dts/rt5350.dtsi
@@ -89,6 +89,9 @@
 
 			reg-shift = <2>;
 
+			pinctrl-names = "default";
+			pinctrl-0 = <&uartf_pins>;
+
 			status = "disabled";
 		};
 
@@ -240,6 +243,12 @@
 				ralink,function = "uartlite";
 			};
 		};
+		uartf_pins: uartf {
+			uartf {
+				ralink,group = "uartf";
+				ralink,function = "uartf";
+			};
+		};
 	};
 
 	rstctrl: rstctrl {