[PATCH v2 5/9] ARM: dts: add support for I2SE Duckbill 2 boards

[Michael Heimpold]

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: Michael Heimpold <mhei at heimpold.de>
Cc: Stefan Wahren <stefan.wahren at i2se.com>
---
 arch/arm/boot/dts/Makefile             |   1 +
 arch/arm/boot/dts/imx28-duckbill-2.dts | 183 +++++++++++++++++++++++++++++++++
 2 files changed, 184 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx28-duckbill-2.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f10fe85..fa4664b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -475,6 +475,7 @@ 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 \
diff --git a/arch/arm/boot/dts/imx28-duckbill-2.dts b/arch/arm/boot/dts/imx28-duckbill-2.dts
new file mode 100644
index 0000000..2510b20
--- /dev/null
+++ b/arch/arm/boot/dts/imx28-duckbill-2.dts
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2015-2017 I2SE GmbH <info at i2se.com>
+ * Copyright (C) 2016 Michael Heimpold <mhei at 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", "fsl,imx28";
+
+	memory {
+		reg = <0x40000000 0x08000000>;
+	};
+
+	apb at 80000000 {
+		apbh at 80000000 {
+			ssp0: ssp at 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 at 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 at 80018000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&hog_pins_a>;
+
+				hog_pins_a: hog at 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 at 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 at 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 at 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 at 80040000 {
+			lradc at 80050000 {
+				status = "okay";
+			};
+
+			i2c0: i2c at 80058000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&i2c0_pins_a>;
+				status = "okay";
+			};
+
+			auart0: serial at 8006a000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&auart0_2pins_a>;
+				status = "okay";
+			};
+
+			duart: serial at 80074000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&duart_pins_a>;
+				status = "okay";
+			};
+
+			usbphy0: usbphy at 8007c000 {
+				status = "okay";
+			};
+		};
+	};
+
+	ahb at 80080000 {
+		usb0: usb at 80080000 {
+			status = "okay";
+			dr_mode = "peripheral";
+		};
+
+		mac0: ethernet at 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 at 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";
+		};
+	};
+};
-- 
2.7.4