From a9df5ed2333b01546b4f906e2f6fd21dd5b146aa Mon Sep 17 00:00:00 2001
From: Frank Wunderlich <frank-w@public-files.de>
Date: Tue, 17 Dec 2024 10:12:29 +0100
Subject: [PATCH 17/32] arm64: dts: mediatek: mt7988a-bpi-r4: Enable serial0
 debug uart

Enable the debug uart on Bananapi R4 board.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241217091238.16032-16-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts | 4 ++++
 arch/arm64/boot/dts/mediatek/mt7988a.dtsi                | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
@@ -245,6 +245,10 @@
 	};
 };
 
+&serial0 {
+	status = "okay";
+};
+
 &watchdog {
 	status = "okay";
 };
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -236,7 +236,7 @@
 			#clock-cells = <1>;
 		};
 
-		serial@11000000 {
+		serial0: serial@11000000 {
 			compatible = "mediatek,mt7988-uart", "mediatek,mt6577-uart";
 			reg = <0 0x11000000 0 0x100>;
 			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
