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>

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 8a320d9da4439fd683a477c41cd491f700d22ffa..9037f35857a9c30cda6961ed624efe7c5631655a 100644 (file)
--- 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";
 };

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 74c75d5149d78e1e430cbbf117e5e9f1b8a73c5c..59a1ffc2edfc6a8cc3b2f0f055c973676fd1dbb6 100644 (file)
--- 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>;