Commit 3b9ec1b3 authored by Antony Pavlov's avatar Antony Pavlov Committed by Ralf Baechle
Browse files

MIPS: ath79: add initial support for Dragino MS14 (Dragino 2) 

The following features are supported:

  * UART;
  * SPI-flash;
  * USB host;
  * GPIO keys and LEDs.

Links:

    * http://www.dragino.com/products/mother-board/item/71-ms14-p.html
    * https://wiki.openwrt.org/toh/dragino/ms14



Signed-off-by: default avatarAntony Pavlov <antonynpavlov@gmail.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: Alban Bedel <albeu@free.fr>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12882/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 4d536731

arch/mips/boot/dts/qca/Makefile

+1 −0
Original line number Diff line number Diff line 
# All DTBs

dtb-$(CONFIG_ATH79)			+= ar9132_tl_wr1043nd_v1.dtb

dtb-$(CONFIG_ATH79)			+= ar9331_dragino_ms14.dtb

dtb-$(CONFIG_ATH79)			+= ar9331_tl_mr3020.dtb



# Force kbuild to make empty built-in.o if necessary

arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts

0 → 100644
+102 −0
Original line number Diff line number Diff line 
/dts-v1/;



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>



#include "ar9331.dtsi"



/ {

	model = "Dragino MS14 (Dragino 2)";

	compatible = "dragino,ms14";



	aliases {

		serial0 = &uart;

	};



	memory@0 {

		device_type = "memory";

		reg = <0x0 0x4000000>;

	};



	leds {

		compatible = "gpio-leds";



		wlan {

			label = "dragino2:red:wlan";

			gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;

			default-state = "off";

		};



		lan {

			label = "dragino2:red:lan";

			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};



		wan {

			label = "dragino2:red:wan";

			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};



		system {

			label = "dragino2:red:system";

			gpios = <&gpio 28 GPIO_ACTIVE_HIGH>;

			default-state = "off";

		};

	};



	gpio-keys-polled {

		compatible = "gpio-keys-polled";

		#address-cells = <1>;

		#size-cells = <0>;

		poll-interval = <100>;



		button@0 {

			label = "jumpstart";

			linux,code = <KEY_WPS_BUTTON>;

			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;

		};



		button@1 {

			label = "reset";

			linux,code = <KEY_RESTART>;

			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;

		};

	};

};



&ref {

	clock-frequency = <25000000>;

};



&uart {

	status = "okay";

};



&gpio {

	status = "okay";

};



&usb {

	dr_mode = "host";

	status = "okay";

};



&usb_phy {

	status = "okay";

};



&spi {

	num-chipselects = <1>;

	status = "okay";



	/* Winbond 25Q128BVFG SPI flash */

	spiflash: w25q128@0 {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "winbond,w25q128", "jedec,spi-nor";

		spi-max-frequency = <104000000>;

		reg = <0>;

	};

};

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