ARM: dts: renesas: Synchronize R-Car R8A779G0 V4H DTs with Linux 6.5.3

Synchronize R-Car R8A779G0 V4H DTs with Linux 6.5.3,
commit 238589d0f7b421aae18c5704dc931595019fa6c7 .

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/arch/arm/dts/r8a779g0-white-hawk.dts b/arch/arm/dts/r8a779g0-white-hawk.dts
index 04a2b6b..eff1ef6 100644
--- a/arch/arm/dts/r8a779g0-white-hawk.dts
+++ b/arch/arm/dts/r8a779g0-white-hawk.dts
@@ -13,6 +13,33 @@
 / {
 	model = "Renesas White Hawk CPU and Breakout boards based on r8a779g0";
 	compatible = "renesas,white-hawk-breakout", "renesas,white-hawk-cpu", "renesas,r8a779g0";
+
+	can_transceiver0: can-phy0 {
+		compatible = "nxp,tjr1443";
+		#phy-cells = <0>;
+		enable-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+		max-bitrate = <5000000>;
+	};
+};
+
+&can_clk {
+	clock-frequency = <40000000>;
+};
+
+&canfd {
+	pinctrl-0 = <&canfd0_pins>, <&canfd1_pins>, <&can_clk_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	channel0 {
+		status = "okay";
+		phys = <&can_transceiver0>;
+	};
+
+	channel1 {
+		status = "okay";
+	};
 };
 
 &i2c0 {
@@ -23,3 +50,20 @@
 		pagesize = <8>;
 	};
 };
+
+&pfc {
+	can_clk_pins: can-clk {
+		groups = "can_clk";
+		function = "can_clk";
+	};
+
+	canfd0_pins: canfd0 {
+		groups = "canfd0_data";
+		function = "canfd0";
+	};
+
+	canfd1_pins: canfd1 {
+		groups = "canfd1_data";
+		function = "canfd1";
+	};
+};