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Commit c98cea9f authored by Michael Heimpold's avatar Michael Heimpold Committed by Shawn Guo
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ARM: dts: add support for I2SE Duckbill 2 boards 



This machine is an USB pen drive sized development board,
based on NXP's i.MX28 CPU. In contrast to the previous
model "Duckbill", the "Duckbill 2" series has internal
eMMC storage.

Signed-off-by: default avatarMichael Heimpold <mhei@heimpold.de>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 132a7444

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -488,6 +488,7 @@ dtb-$(CONFIG_ARCH_MXS) += \ 
	imx28-cfa10056.dtb \

	imx28-cfa10057.dtb \

	imx28-cfa10058.dtb \

	imx28-duckbill-2.dtb \

	imx28-duckbill.dtb \

	imx28-eukrea-mbmx283lc.dtb \

	imx28-eukrea-mbmx287lc.dtb \

arch/arm/boot/dts/imx28-duckbill-2.dts

0 → 100644
+183 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>

 * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>

 *

 * The code contained herein is licensed under the GNU General Public

 * License. You may obtain a copy of the GNU General Public License

 * Version 2 or later at the following locations:

 *

 * http://www.opensource.org/licenses/gpl-license.html

 * http://www.gnu.org/copyleft/gpl.html

 */



/dts-v1/;

#include <dt-bindings/interrupt-controller/irq.h>

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

#include "imx28.dtsi"



/ {

	model = "I2SE Duckbill 2";

	compatible = "i2se,duckbill-2", "fsl,imx28";



	memory {

		reg = <0x40000000 0x08000000>;

	};



	apb@80000000 {

		apbh@80000000 {

			ssp0: ssp@80010000 {

				compatible = "fsl,imx28-mmc";

				pinctrl-names = "default";

				pinctrl-0 = <&mmc0_8bit_pins_a

					&mmc0_cd_cfg &mmc0_sck_cfg>;

				bus-width = <8>;

				vmmc-supply = <&reg_3p3v>;

				status = "okay";

				non-removable;

			};



			ssp2: ssp@80014000 {

				compatible = "fsl,imx28-mmc";

				pinctrl-names = "default";

				pinctrl-0 = <&mmc2_4bit_pins_b

					&mmc2_cd_cfg &mmc2_sck_cfg_b>;

				bus-width = <4>;

				vmmc-supply = <&reg_3p3v>;

				status = "okay";

			};



			pinctrl@80018000 {

				pinctrl-names = "default";

				pinctrl-0 = <&hog_pins_a>;



				hog_pins_a: hog@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */

					>;

					fsl,drive-strength = <MXS_DRIVE_4mA>;

					fsl,voltage = <MXS_VOLTAGE_HIGH>;

					fsl,pull-up = <MXS_PULL_DISABLE>;

				};



				mac0_phy_reset_pin: mac0-phy-reset@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */

					>;

					fsl,drive-strength = <MXS_DRIVE_4mA>;

					fsl,voltage = <MXS_VOLTAGE_HIGH>;

					fsl,pull-up = <MXS_PULL_DISABLE>;

				};



				mac0_phy_int_pin: mac0-phy-int@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */

					>;

					fsl,drive-strength = <MXS_DRIVE_4mA>;

					fsl,voltage = <MXS_VOLTAGE_HIGH>;

					fsl,pull-up = <MXS_PULL_DISABLE>;

				};



				led_pins: leds@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						MX28_PAD_SAIF0_MCLK__GPIO_3_20

						MX28_PAD_SAIF0_LRCLK__GPIO_3_21

					>;

					fsl,drive-strength = <MXS_DRIVE_4mA>;

					fsl,voltage = <MXS_VOLTAGE_HIGH>;

					fsl,pull-up = <MXS_PULL_DISABLE>;

				};

			};

		};



		apbx@80040000 {

			lradc@80050000 {

				status = "okay";

			};



			i2c0: i2c@80058000 {

				pinctrl-names = "default";

				pinctrl-0 = <&i2c0_pins_a>;

				status = "okay";

			};



			auart0: serial@8006a000 {

				pinctrl-names = "default";

				pinctrl-0 = <&auart0_2pins_a>;

				status = "okay";

			};



			duart: serial@80074000 {

				pinctrl-names = "default";

				pinctrl-0 = <&duart_pins_a>;

				status = "okay";

			};



			usbphy0: usbphy@8007c000 {

				status = "okay";

			};

		};

	};



	ahb@80080000 {

		usb0: usb@80080000 {

			status = "okay";

			dr_mode = "peripheral";

		};



		mac0: ethernet@800f0000 {

			phy-mode = "rmii";

			pinctrl-names = "default";

			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;

			phy-supply = <&reg_3p3v>;

			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;

			phy-reset-duration = <25>;

			phy-handle = <&ethphy>;

			status = "okay";



			mdio {

				#address-cells = <1>;

				#size-cells = <0>;



				ethphy: ethernet-phy@0 {

					compatible = "ethernet-phy-ieee802.3-c22";

					reg = <0>;

					pinctrl-names = "default";

					pinctrl-0 = <&mac0_phy_int_pin>;

					interrupt-parent = <&gpio0>;

					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;

					max-speed = <100>;

				};

			};

		};

	};



	reg_3p3v: regulator-3p3v {

		compatible = "regulator-fixed";

		regulator-name = "3P3V";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	leds {

		compatible = "gpio-leds";

		pinctrl-names = "default";

		pinctrl-0 = <&led_pins>;



		status-red {

			label = "duckbill:red:status";

			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "default-on";

		};



		status-green {

			label = "duckbill:green:status";

			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "heartbeat";

		};

	};

};