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Commit b9a35d70 authored by Linus Walleij's avatar Linus Walleij
Browse files

ARM: dts: Add some initial IXP4xx device trees 



This adds a device tree for the IXP4xx-based Linksys
NSLU2 and Gateworks GW2358 which encompass the Gateworks
Cambria family.

These will be the first IXP4xx device tree platforms.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 9540724c

arch/arm/boot/dts/Makefile

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@@ -229,6 +229,9 @@ dtb-$(CONFIG_ARCH_HIX5HD2) += \ 
dtb-$(CONFIG_ARCH_INTEGRATOR) += \

	integratorap.dtb \

	integratorcp.dtb

dtb-$(CONFIG_ARCH_IXP4XX) += \

	intel-ixp42x-linksys-nslu2.dtb \

	intel-ixp43x-gateworks-gw2358.dtb

dtb-$(CONFIG_ARCH_KEYSTONE) += \

	keystone-k2hk-evm.dtb \

	keystone-k2l-evm.dtb \

arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts

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// SPDX-License-Identifier: ISC

/*

 * Device Tree file for Linksys NSLU2

 */



/dts-v1/;



#include "intel-ixp42x.dtsi"

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



/ {

	model = "Linksys NSLU2 (Network Storage Link for USB 2.0 Disk Drives)";

	compatible = "linksys,nslu2", "intel,ixp42x";

	#address-cells = <1>;

	#size-cells = <1>;



	memory@0 {

		/* 32 MB SDRAM */

		device_type = "memory";

		reg = <0x00000000 0x2000000>;

	};



	chosen {

		bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";

		stdout-path = "uart0:115200n8";

	};



	aliases {

		serial0 = &uart0;

	};



	leds {

		compatible = "gpio-leds";

		led-status {

			label = "nslu2:red:status";

			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;

			default-state = "on";

			linux,default-trigger = "heartbeat";

		};

		led-ready {

			label = "nslu2:green:ready";

			gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;

			default-state = "on";

		};

		led-disk-1 {

			label = "nslu2:green:disk-1";

			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};

		led-disk-2 {

			label = "nslu2:green:disk-2";

			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};

	};



	gpio_keys {

		compatible = "gpio-keys";



		button-power {

			wakeup-source;

			linux,code = <KEY_POWER>;

			label = "power";

			gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;

		};

		button-reset {

			wakeup-source;

			linux,code = <KEY_ESC>;

			label = "reset";

			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;

		};

	};



	i2c {

		compatible = "i2c-gpio";

		sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;

		scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;

		#address-cells = <1>;

		#size-cells = <0>;



		rtc@6f {

			compatible = "xicor,x1205";

			reg = <0x6f>;

		};

	};



	gpio-poweroff {

		compatible = "gpio-poweroff";

		gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;

		timeout-ms = <5000>;

	};



	/* The first 16MB region on the expansion bus */

	flash@50000000 {

		compatible = "intel,ixp4xx-flash", "cfi-flash";

		bank-width = <2>;

		/*

		 * 8 MB of Flash in 0x20000 byte blocks

		 * mapped in at 0x50000000

		 */

		reg = <0x50000000 0x800000>;



		partitions {

			compatible = "redboot-fis";

			/* Eraseblock at 0x7e0000 */

			fis-index-block = <0x3f>;

		};

	};

};

arch/arm/boot/dts/intel-ixp42x.dtsi

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// SPDX-License-Identifier: ISC

/*

 * Device Tree file for Intel XScale Network Processors

 * in the IXP 42x series. This series has 32 interrupts.

 */

#include "intel-ixp4xx.dtsi"



/ {

	soc {

		interrupt-controller@c8003000 {

			compatible = "intel,ixp42x-interrupt";

		};



		/*

		 * This is the USB Device Mode (UDC) controller, which is used

		 * to present the IXP4xx as a device on a USB bus.

		 */

		usb@c800b000 {

			compatible = "intel,ixp4xx-udc";

			reg = <0xc800b000 0x1000>;

			interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;

			status = "disabled";

		};

	};

};

arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts

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// SPDX-License-Identifier: ISC

/*

 * Device Tree file for Gateworks IXP43x-based Cambria GW2358

 */



/dts-v1/;



#include "intel-ixp43x.dtsi"



/ {

	model = "Gateworks Cambria GW2358";

	compatible = "gateworks,gw2358", "intel,ixp43x";

	#address-cells = <1>;

	#size-cells = <1>;



	memory@0 {

		/* 128 MB SDRAM */

		device_type = "memory";

		reg = <0x00000000 0x8000000>;

	};



	chosen {

		bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";

		stdout-path = "uart0:115200n8";

	};



	aliases {

		serial0 = &uart0;

	};



	leds {

		compatible = "gpio-leds";

		led-user {

			label = "gw2358:green:LED";

			gpios = <&pld1 0 GPIO_ACTIVE_LOW>;

			default-state = "on";

			linux,default-trigger = "heartbeat";

		};

	};





	i2c {

		compatible = "i2c-gpio";

		sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;

		scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;

		#address-cells = <1>;

		#size-cells = <0>;



		hwmon@28 {

			compatible = "adi,ad7418";

			reg = <0x28>;

		};

		rtc: ds1672@68 {

			compatible = "dallas,ds1672";

			reg = <0x68>;

		};

		eeprom@51 {

			compatible = "atmel,24c08";

			reg = <0x51>;

			pagesize = <16>;

			size = <1024>;

			read-only;

		};

		pld0: pld@56 {

			compatible = "gateworks,pld-gpio";

			reg = <0x56>;

			gpio-controller;

			#gpio-cells = <2>;

		};

		/* This PLD just handles the LED and user button */

		pld1: pld@57 {

			compatible = "gateworks,pld-gpio";

			reg = <0x57>;

			gpio-controller;

			#gpio-cells = <2>;

		};

	};



	flash@50000000 {

		compatible = "intel,ixp4xx-flash", "cfi-flash";

		bank-width = <2>;

		/*

		 * 32 MB of Flash in 0x20000 byte blocks

		 * mapped in at 0x50000000

		 */

		reg = <0x50000000 0x2000000>;



		partitions {

			compatible = "redboot-fis";

			/* Eraseblock at 0x1fe0000 */

			fis-index-block = <0xff>;

		};

	};

};

arch/arm/boot/dts/intel-ixp43x.dtsi

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// SPDX-License-Identifier: ISC

/*

 * Device Tree file for Intel XScale Network Processors

 * in the IXP 43x series. This series has 64 interrupts and adds a few more

 * peripherals over the 42x series.

 */

#include "intel-ixp4xx.dtsi"



/ {

	soc {

		interrupt-controller@c8003000 {

			compatible = "intel,ixp43x-interrupt";

		};

	};

};