ramips: create common DTSI for TP-Link Archer C20i/C20 v1/C50 v1

The TP-Link Archer C20i/C20 v1/C50 v1 seem to be almost the same,
so creating a common DTSI will reduce duplicate code.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 124 insertions, 0 deletions

diff --git a/target/linux/ramips/dts/mt7620a_tplink_archer.dtsi b/target/linux/ramips/dts/mt7620a_tplink_archer.dtsi
new file mode 100644
index 0000000000..dd213ad219
--- /dev/null
+++ b/target/linux/ramips/dts/mt7620a_tplink_archer.dtsi
@@ -0,0 +1,124 @@
+#include "mt7620a.dtsi"
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		rfkill {
+			label = "rfkill";
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RFKILL>;
+		};
+	};
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x20000>;
+				read-only;
+			};
+
+			partition@20000 {
+				compatible = "tplink,firmware";
+				label = "firmware";
+				reg = <0x20000 0x7a0000>;
+			};
+
+			partition@7c0000 {
+				label = "config";
+				reg = <0x7c0000 0x10000>;
+				read-only;
+			};
+
+			rom: partition@7d0000 {
+				label = "rom";
+				reg = <0x7d0000 0x10000>;
+				read-only;
+			};
+
+			partition@7e0000 {
+				label = "romfile";
+				reg = <0x7e0000 0x10000>;
+				read-only;
+			};
+
+			radio: partition@7f0000 {
+				label = "radio";
+				reg = <0x7f0000 0x10000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&ethernet {
+	pinctrl-names = "default";
+	mtd-mac-address = <&rom 0xf100>;
+	mediatek,portmap = "wllll";
+};
+
+&ehci {
+	status = "okay";
+};
+
+&ohci {
+	status = "okay";
+};
+
+&gsw {
+	mediatek,port4 = "ephy";
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&radio 0x0>;
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi: mt76@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&radio 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};