MIPS: Add basic support for the TL-WR1043ND version 1

Add a DTS for TL-WR1043ND version 1 and allow to have it built in the
kernel to circumvent the broken u-boot found on these boards.
Currently only the UART, LEDs and buttons are supported.

Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 112 insertions, 0 deletions

diff --git a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
new file mode 100644
index 000000000000..003015ab34e7
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
@@ -0,0 +1,112 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9132.dtsi"
+
+/ {
+	compatible = "tplink,tl-wr1043nd-v1", "qca,ar9132";
+	model = "TP-Link TL-WR1043ND Version 1";
+
+	alias {
+		serial0 = "/ahb/apb/uart@18020000";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x2000000>;
+	};
+
+	extosc: oscillator {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <40000000>;
+	};
+
+	ahb {
+		apb {
+			uart@18020000 {
+				status = "okay";
+			};
+
+			pll-controller@18050000 {
+				clocks = <&extosc>;
+			};
+		};
+
+		spi@1f000000 {
+			status = "okay";
+			num-cs = <1>;
+
+			flash@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "s25sl064a";
+				reg = <0>;
+				spi-max-frequency = <25000000>;
+
+				partition@0 {
+					label = "u-boot";
+					reg = <0x000000 0x020000>;
+				};
+
+				partition@1 {
+					label = "firmware";
+					reg = <0x020000 0x7D0000>;
+				};
+
+				partition@2 {
+					label = "art";
+					reg = <0x7F0000 0x010000>;
+					read-only;
+				};
+			};
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		poll-interval = <20>;
+		button@0 {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+
+		button@1 {
+			label = "qss";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&gpio 7 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led@0 {
+			label = "tp-link:green:usb";
+			gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+		};
+
+		led@1 {
+			label = "tp-link:green:system";
+			gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+		};
+
+		led@2 {
+			label = "tp-link:green:qss";
+			gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+		};
+
+		led@3 {
+			label = "tp-link:green:wlan";
+			gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
+		};
+	};
+};