ARM: dts: rmobile: Sync Gen2 DTs with Linux 4.19.6

Synchronize DTs with mainline Linux 4.19.6 ,
commit 96db90800c06d3fe3fa08eb6222fe201286bb778

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
V2: Rebase on u-boot/master
diff --git a/arch/arm/dts/r8a7791-porter.dts b/arch/arm/dts/r8a7791-porter.dts
index f2d5723..f02036e 100644
--- a/arch/arm/dts/r8a7791-porter.dts
+++ b/arch/arm/dts/r8a7791-porter.dts
@@ -372,10 +372,43 @@
 	clock-frequency = <400000>;
 };
 
+&i2c6 {
+	status = "okay";
+	clock-frequency = <100000>;
+
+	pmic@5a {
+		compatible = "dlg,da9063l";
+		reg = <0x5a>;
+		interrupt-parent = <&irqc0>;
+		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+
+		wdt {
+			compatible = "dlg,da9063-watchdog";
+		};
+	};
+
+	vdd_dvfs: regulator@68 {
+		compatible = "dlg,da9210";
+		reg = <0x68>;
+		interrupt-parent = <&irqc0>;
+		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+
+		regulator-min-microvolt = <1000000>;
+		regulator-max-microvolt = <1000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
 &sata0 {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu0-supply = <&vdd_dvfs>;
+};
+
 /* composite video input */
 &vin0 {
 	status = "okay";
@@ -383,9 +416,6 @@
 	pinctrl-names = "default";
 
 	port {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		vin0ep: endpoint {
 			remote-endpoint = <&adv7180>;
 			bus-width = <8>;
@@ -478,6 +508,11 @@
 	};
 };
 
+&rwdt {
+	timeout-sec = <60>;
+	status = "okay";
+};
+
 &ssi1 {
 	shared-pin;
 };