openwrt/target/linux/bcm53xx/patches-5.4/033-v5.10-0002-ARM-dts-BCM5301X-Specify-uart2-in-the-DT.patch

From 5e396bb05b89e23e98e6d75749b77502e68210a4 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@gmail.com>
Date: Sat, 22 Aug 2020 18:19:20 +0200
Subject: [PATCH] ARM: dts: BCM5301X: Specify uart2 in the DT

The BCM53016 in the Meraki MR32 utilizes the third "uart2"
to connect to a on-board Bluetooth-LE 4.0 BCM20732 chip.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -394,6 +394,15 @@
 		reg = <0x18105000 0x1000>;
 	};
 
+	uart2: serial@18008000 {
+		compatible = "ns16550a";
+		reg = <0x18008000 0x20>;
+		clocks = <&iprocslow>;
+		interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+		reg-shift = <2>;
+		status = "disabled";
+	};
+
 	i2c0: i2c@18009000 {
 		compatible = "brcm,iproc-i2c";
 		reg = <0x18009000 0x50>;