ARM: dts: broadcom: Add BCM63138's high speed UART

It's designed for hardwiring Bluetooth devices to it.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20231122144208.21114-2-zajec5@gmail.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

Author: Rafał Miłecki

arch/arm/boot/dts/broadcom/bcm63138.dtsi

@@ -232,6 +232,12 @@
 			interrupt-names = "nand";
 		};
 
+		serial@4400 {
+			compatible = "brcm,bcm63138-hs-uart", "brcm,bcmbca-hs-uart";
+			reg = <0x4400 0x1e0>;
+			interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		bootlut: bootlut@8000 {
 			compatible = "brcm,bcm63138-bootlut";
 			reg = <0x8000 0x50>;