Commit 2c3694d2 authored by Antony Pavlov's avatar Antony Pavlov Committed by Ralf Baechle
Browse files

MIPS: ath79: add initial support for TP-LINK MR3020 

The following features are supported:

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

Links:

  * http://www.tp-link.com/en/products/details/?model=TL-MR3020
  * http://wiki.openwrt.org/toh/tp-link/tl-mr3020
  * https://wikidevi.com/wiki/TP-LINK_TL-MR3020



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/12880/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 5ae5c452

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_tl_mr3020.dtb



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

obj-				+= dummy.o

arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts

0 → 100644
+118 −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 = "TP-Link TL-MR3020";

	compatible = "tplink,tl-mr3020";



	aliases {

		serial0 = &uart;

	};



	memory@0 {

		device_type = "memory";

		reg = <0x0 0x2000000>;

	};



	leds {

		compatible = "gpio-leds";



		wlan {

			label = "tp-link:green:wlan";

			gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;

			default-state = "off";

		};



		lan {

			label = "tp-link:green:lan";

			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};



		wps {

			label = "tp-link:green:wps";

			gpios = <&gpio 26 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};



		led3g {

			label = "tp-link:green:3g";

			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};

	};



	gpio-keys-polled {

		compatible = "gpio-keys-polled";

		#address-cells = <1>;

		#size-cells = <0>;

		poll-interval = <100>;



		button@0 {

			label = "wps";

			linux,code = <KEY_WPS_BUTTON>;

			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;

		};



		button@1 {

			label = "sw1";

			linux,code = <BTN_0>;

			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;

		};



		button@2 {

			label = "sw2";

			linux,code = <BTN_1>;

			gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;

		};

	};



	reg_usb_vbus: reg_usb_vbus {

		compatible = "regulator-fixed";

		regulator-name = "usb_vbus";

		regulator-min-microvolt = <5000000>;

		regulator-max-microvolt = <5000000>;

		gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};

};



&ref {

	clock-frequency = <25000000>;

};



&uart {

	status = "okay";

};



&gpio {

	status = "okay";

};



&usb {

	dr_mode = "host";

	vbus-supply = <&reg_usb_vbus>;

	status = "okay";

};



&usb_phy {

	status = "okay";

};



&spi {

	num-chipselects = <1>;

	status = "okay";



	/* Spansion S25FL032PIF SPI flash */

	spiflash: s25sl032p@0 {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "spansion,s25sl032p", "jedec,spi-nor";

		spi-max-frequency = <104000000>;

		reg = <0>;

	};

};

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