--- zzzz-none-000/linux-3.10.107/arch/arm/boot/dts/emev2-kzm9d.dts	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/boot/dts/emev2-kzm9d.dts	2021-02-04 17:41:59.000000000 +0000
@@ -1,7 +1,7 @@
 /*
  * Device Tree Source for the KZM9D board
  *
- * Copyright (C) 2012 Renesas Solutions Corp.
+ * Copyright (C) 2013 Renesas Solutions Corp.
  *
  * This file is licensed under the terms of the GNU General Public License
  * version 2.  This program is licensed "as is" without any warranty of any
@@ -9,7 +9,10 @@
  */
 /dts-v1/;
 
-/include/ "emev2.dtsi"
+#include "emev2.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	model = "EMEV2 KZM9D Board";
@@ -21,6 +24,94 @@
 	};
 
 	chosen {
-		bootargs = "console=tty0 console=ttyS1,115200n81 earlyprintk=serial8250-em.1,115200n81 mem=128M@0x40000000 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096";
+		bootargs = "console=ttyS1,115200n81 ignore_loglevel root=/dev/nfs ip=dhcp";
+		stdout-path = &uart1;
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		button@1 {
+			debounce_interval = <50>;
+			wakeup-source;
+			label = "DSW2-1";
+			linux,code = <KEY_1>;
+			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+		};
+		button@2 {
+			debounce_interval = <50>;
+			wakeup-source;
+			label = "DSW2-2";
+			linux,code = <KEY_2>;
+			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+		};
+		button@3 {
+			debounce_interval = <50>;
+			wakeup-source;
+			label = "DSW2-3";
+			linux,code = <KEY_3>;
+			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+		};
+		button@4 {
+			debounce_interval = <50>;
+			wakeup-source;
+			label = "DSW2-4";
+			linux,code = <KEY_4>;
+			gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	reg_1p8v: regulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	reg_3p3v: regulator@1 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	ethernet@20000000 {
+		compatible = "smsc,lan9220", "smsc,lan9115";
+		reg = <0x20000000 0x10000>;
+		phy-mode = "mii";
+		interrupt-parent = <&gpio0>;
+		interrupts = <1 IRQ_TYPE_EDGE_RISING>;
+		reg-io-width = <4>;
+		smsc,irq-active-high;
+		smsc,irq-push-pull;
+		vddvario-supply = <&reg_1p8v>;
+		vdd33a-supply = <&reg_3p3v>;
+	};
+};
+
+&iic0 {
+	status = "okay";
+};
+
+&iic1 {
+	status = "okay";
+};
+
+&pfc {
+	uart1_pins: serial@e1030000 {
+		renesas,groups = "uart1_ctrl", "uart1_data";
+		renesas,function = "uart1";
+	};
+};
+
+&uart1 {
+	pinctrl-0 = <&uart1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
 };