arm64: dts: renesas: Factor out White Hawk Single board support

Move the common parts for the Renesas White Hawk Single board to
white-hawk-single.dtsi, to enable future reuse.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/1661743b18a9ff9fac716f98a663b39fc8488d7e.1733156661.git.geert+renesas@glider.be
(cherry picked from commit d43c077)

Author: geertu

arch/arm64/boot/dts/renesas/r8a779g2-white-hawk-single.dts

@@ -7,70 +7,10 @@
 
 /dts-v1/;
 #include "r8a779g2.dtsi"
-#include "white-hawk-cpu-common.dtsi"
-#include "white-hawk-common.dtsi"
+#include "white-hawk-single.dtsi"
 
 / {
 	model = "Renesas White Hawk Single board based on r8a779g2";
 	compatible = "renesas,white-hawk-single", "renesas,r8a779g2",
 		     "renesas,r8a779g0";
 };
-
-&hscif0 {
-	uart-has-rtscts;
-};
-
-&hscif0_pins {
-	groups = "hscif0_data", "hscif0_ctrl";
-	function = "hscif0";
-};
-
-&pfc {
-	tsn0_pins: tsn0 {
-		mux {
-			groups = "tsn0_link", "tsn0_mdio", "tsn0_rgmii",
-				 "tsn0_txcrefclk";
-			function = "tsn0";
-		};
-
-		link {
-			groups = "tsn0_link";
-			bias-disable;
-		};
-
-		mdio {
-			groups = "tsn0_mdio";
-			drive-strength = <24>;
-			bias-disable;
-		};
-
-		rgmii {
-			groups = "tsn0_rgmii";
-			drive-strength = <24>;
-			bias-disable;
-		};
-	};
-};
-
-&tsn0 {
-	pinctrl-0 = <&tsn0_pins>;
-	pinctrl-names = "default";
-	phy-mode = "rgmii";
-	phy-handle = <&phy3>;
-	status = "okay";
-
-	mdio {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		reset-gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
-		reset-post-delay-us = <4000>;
-
-		phy3: ethernet-phy@0 {
-			compatible = "ethernet-phy-id002b.0980",
-				     "ethernet-phy-ieee802.3-c22";
-			reg = <0>;
-			interrupts-extended = <&gpio4 3 IRQ_TYPE_LEVEL_LOW>;
-		};
-	};
-};

arch/arm64/boot/dts/renesas/white-hawk-single.dtsi

@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the White Hawk Single board
+ *
+ * Copyright (C) 2023-2024 Glider bv
+ */
+
+#include "white-hawk-cpu-common.dtsi"
+#include "white-hawk-common.dtsi"
+
+/ {
+	model = "Renesas White Hawk Single board";
+	compatible = "renesas,white-hawk-single";
+};
+
+&hscif0 {
+	uart-has-rtscts;
+};
+
+&hscif0_pins {
+	groups = "hscif0_data", "hscif0_ctrl";
+	function = "hscif0";
+};
+
+&pfc {
+	tsn0_pins: tsn0 {
+		mux {
+			groups = "tsn0_link", "tsn0_mdio", "tsn0_rgmii",
+				 "tsn0_txcrefclk";
+			function = "tsn0";
+		};
+
+		link {
+			groups = "tsn0_link";
+			bias-disable;
+		};
+
+		mdio {
+			groups = "tsn0_mdio";
+			drive-strength = <24>;
+			bias-disable;
+		};
+
+		rgmii {
+			groups = "tsn0_rgmii";
+			drive-strength = <24>;
+			bias-disable;
+		};
+	};
+};
+
+&tsn0 {
+	pinctrl-0 = <&tsn0_pins>;
+	pinctrl-names = "default";
+	phy-mode = "rgmii";
+	phy-handle = <&phy3>;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reset-gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
+		reset-post-delay-us = <4000>;
+
+		phy3: ethernet-phy@0 {
+			compatible = "ethernet-phy-id002b.0980",
+				     "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+			interrupts-extended = <&gpio4 3 IRQ_TYPE_LEVEL_LOW>;
+		};
+	};
+};