arm64: dts: renesas: hihope-rzg2-ex: Separate out lvds specific nodes into common file

Separate out LVDS specific nodes into common file
hihope-rzg2-ex-lvds.dtsi so that this can be re-used by RZ/G2M[N]
variants.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1593004330-5039-8-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/hihope-rzg2-ex-lvds.dtsi

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the RZ/G2[MN] HiHope sub board LVDS common parts
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+/ {
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 0 50000>;
+
+		brightness-levels = <0 2 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+	};
+};
+
+&gpio1 {
+	/*
+	 * When GP1_20 is LOW LVDS0 is connected to the LVDS connector
+	 * When GP1_20 is HIGH LVDS0 is connected to the LT8918L
+	 */
+	lvds-connector-en-gpio {
+		gpio-hog;
+		gpios = <20 GPIO_ACTIVE_HIGH>;
+		output-low;
+		line-name = "lvds-connector-en-gpio";
+	};
+};
+
+&lvds0 {
+	ports {
+		port@1 {
+			lvds_connector: endpoint {
+			};
+		};
+	};
+};
+
+&pfc {
+	pwm0_pins: pwm0 {
+		groups = "pwm0";
+		function = "pwm0";
+	};
+};
+
+&pwm0 {
+	pinctrl-0 = <&pwm0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};

arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi

@@ -13,14 +13,6 @@ aliases {
 	chosen {
 		bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
 	};
-
-	backlight {
-		compatible = "pwm-backlight";
-		pwms = <&pwm0 0 50000>;
-
-		brightness-levels = <0 2 8 16 32 64 128 255>;
-		default-brightness-level = <6>;
-	};
 };
 
 &avb {
@@ -51,35 +43,6 @@ &can1 {
 	status = "okay";
 };
 
-&gpio1 {
-	/*
-	 * When GP1_20 is LOW LVDS0 is connected to the LVDS connector
-	 * When GP1_20 is HIGH LVDS0 is connected to the LT8918L
-	 */
-	lvds-connector-en-gpio {
-		gpio-hog;
-		gpios = <20 GPIO_ACTIVE_HIGH>;
-		output-low;
-		line-name = "lvds-connector-en-gpio";
-	};
-};
-
-&lvds0 {
-	/*
-	 * Please include the LVDS panel .dtsi file and uncomment the below line
-	 * to enable LVDS panel connected to RZ/G2[MN] boards.
-	 */
-
-	/* status = "okay"; */
-
-	ports {
-		port@1 {
-			lvds_connector: endpoint {
-			};
-		};
-	};
-};
-
 &pciec0 {
 	status = "okay";
 };

arch/arm64/boot/dts/renesas/r8a774a1-hihope-rzg2m-rev2-ex-idk-1110wr.dts

@@ -7,46 +7,9 @@
  */
 
 #include "r8a774a1-hihope-rzg2m-rev2-ex.dts"
+#include "hihope-rzg2-ex-lvds.dtsi"
 #include "rzg2-advantech-idk-1110wr-panel.dtsi"
 
-/ {
-	backlight {
-		compatible = "pwm-backlight";
-		pwms = <&pwm0 0 50000>;
-
-		brightness-levels = <0 2 8 16 32 64 128 255>;
-		default-brightness-level = <6>;
-	};
-
-};
-
-&gpio1 {
-	/*
-	 * When GP1_20 is LOW LVDS0 is connected to the LVDS connector
-	 * When GP1_20 is HIGH LVDS0 is connected to the LT8918L
-	 */
-	lvds-connector-en-gpio {
-		gpio-hog;
-		gpios = <20 GPIO_ACTIVE_HIGH>;
-		output-low;
-		line-name = "lvds-connector-en-gpio";
-	};
-};
-
 &lvds0 {
 	status = "okay";
 };
-
-&pfc {
-	pwm0_pins: pwm0 {
-		groups = "pwm0";
-		function = "pwm0";
-	};
-};
-
-&pwm0 {
-	pinctrl-0 = <&pwm0_pins>;
-	pinctrl-names = "default";
-
-	status = "okay";
-};