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Commit a5fcc652 authored by Alban Bedel's avatar Alban Bedel Committed by Ralf Baechle
Browse files

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: default avatarAlban Bedel <albeu@free.fr>
Cc: linux-mips@linux-mips.org
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 9db8e9bc

arch/mips/ath79/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -71,6 +71,18 @@ config ATH79_MACH_UBNT_XM 
	  Say 'Y' here if you want your kernel to support the

	  Ubiquiti Networks XM (rev 1.0) board.



choice

	prompt "Build a DTB in the kernel"

	optional

	help

	  Select a devicetree that should be built into the kernel.



	config DTB_TL_WR1043ND_V1

		bool "TL-WR1043ND Version 1"

		select BUILTIN_DTB

		select SOC_AR913X

endchoice



endmenu



config SOC_AR71XX

arch/mips/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ dts-dirs += ingenic 
dts-dirs	+= lantiq

dts-dirs	+= mti

dts-dirs	+= netlogic

dts-dirs	+= qca

dts-dirs	+= ralink



obj-y		:= $(addsuffix /, $(dts-dirs))

arch/mips/boot/dts/qca/Makefile

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# All DTBs

dtb-$(CONFIG_ATH79)			+= ar9132_tl_wr1043nd_v1.dtb



# Select a DTB to build in the kernel

obj-$(CONFIG_DTB_TL_WR1043ND_V1)	+= ar9132_tl_wr1043nd_v1.dtb.o



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

obj-				+= dummy.o



always				:= $(dtb-y)

clean-files			:= *.dtb *.dtb.S

arch/mips/boot/dts/qca/ar9132.dtsi

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/ {

	compatible = "qca,ar9132";



	#address-cells = <1>;

	#size-cells = <1>;



	cpus {

		#address-cells = <1>;

		#size-cells = <0>;



		cpu@0 {

			device_type = "cpu";

			compatible = "mips,mips24Kc";

			reg = <0>;

		};

	};



	cpuintc: interrupt-controller {

		compatible = "qca,ar9132-cpu-intc", "qca,ar7100-cpu-intc";



		interrupt-controller;

		#interrupt-cells = <1>;



		qca,ddr-wb-channel-interrupts = <2>, <3>, <4>, <5>;

		qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>,

					<&ddr_ctrl 0>, <&ddr_ctrl 1>;

	};



	ahb {

		compatible = "simple-bus";

		ranges;



		#address-cells = <1>;

		#size-cells = <1>;



		interrupt-parent = <&cpuintc>;



		apb {

			compatible = "simple-bus";

			ranges;



			#address-cells = <1>;

			#size-cells = <1>;



			interrupt-parent = <&miscintc>;



			ddr_ctrl: memory-controller@18000000 {

				compatible = "qca,ar9132-ddr-controller",

						"qca,ar7240-ddr-controller";

				reg = <0x18000000 0x100>;



				#qca,ddr-wb-channel-cells = <1>;

			};



			uart@18020000 {

				compatible = "ns8250";

				reg = <0x18020000 0x20>;

				interrupts = <3>;



				clocks = <&pll 2>;

				clock-names = "uart";



				reg-io-width = <4>;

				reg-shift = <2>;

				no-loopback-test;



				status = "disabled";

			};



			gpio: gpio@18040000 {

				compatible = "qca,ar9132-gpio",

						"qca,ar7100-gpio";

				reg = <0x18040000 0x30>;

				interrupts = <2>;



				ngpios = <22>;



				gpio-controller;

				#gpio-cells = <2>;



				interrupt-controller;

				#interrupt-cells = <2>;

			};



			pll: pll-controller@18050000 {

				compatible = "qca,ar9132-ppl",

						"qca,ar9130-pll";

				reg = <0x18050000 0x20>;



				clock-names = "ref";

				/* The board must provides the ref clock */



				#clock-cells = <1>;

				clock-output-names = "cpu", "ddr", "ahb";

			};



			wdt@18060008 {

				compatible = "qca,ar7130-wdt";

				reg = <0x18060008 0x8>;



				interrupts = <4>;



				clocks = <&pll 2>;

				clock-names = "wdt";

			};



			miscintc: interrupt-controller@18060010 {

				compatible = "qca,ar9132-misc-intc",

					   "qca,ar7100-misc-intc";

				reg = <0x18060010 0x4>;



				interrupt-parent = <&cpuintc>;

				interrupts = <6>;



				interrupt-controller;

				#interrupt-cells = <1>;

			};

		};



		spi@1f000000 {

			compatible = "qca,ar9132-spi", "qca,ar7100-spi";

			reg = <0x1f000000 0x10>;



			clocks = <&pll 2>;

			clock-names = "ahb";



			status = "disabled";



			#address-cells = <1>;

			#size-cells = <0>;

		};

	};

};

arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts

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/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>;

		};

	};

};