linux-kernel - [PATCH v3 15/22] arm64: dts: mediatek: mt7988a-bpi-r4: Enable serial0 debug uart

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Message-ID: <20241217091238.16032-16-linux@fw-web.de>
Date: Tue, 17 Dec 2024 10:12:29 +0100
From: Frank Wunderlich <linux@...web.de>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH v3 15/22] arm64: dts: mediatek: mt7988a-bpi-r4: Enable serial0 debug uart

From: Frank Wunderlich <frank-w@...lic-files.de>

Enable the debug uart on Bananapi R4 board.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.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(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
index 8a320d9da443..9037f35857a9 100644
--- 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 @@ mux {
 	};
 };
 
+&serial0 {
+	status = "okay";
+};
+
 &watchdog {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 74c75d5149d7..59a1ffc2edfc 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -236,7 +236,7 @@ mcusys: mcusys@...e0000 {
 			#clock-cells = <1>;
 		};
 
-		serial@...00000 {
+		serial0: serial@...00000 {
 			compatible = "mediatek,mt7988-uart", "mediatek,mt6577-uart";
 			reg = <0 0x11000000 0 0x100>;
 			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
-- 
2.43.0