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arm64: dts: mediatek: mt7981b: add labels for UART0/1/2 nodes

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Add stable labels (uart0, uart1, uart2) to the MT7981B SoC UART nodes so
board DTS files can reference them directly. This change is purely
cosmetic and introduces no functional differences.

Verification: Built dtbs and boot-tested mainline Image+DTB via U-Boot on
MT7981B hardware; decompiled DT shows the uart0 label present and the
serial0 alias (or absolute path) resolves to serial@11002000.

Signed-off-by: Bryan Hinton <bryan@bryanhinton.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
This commit is contained in:
Bryan Hinton 2025-09-21 22:58:09 -05:00 committed by AngeloGioacchino Del Regno
parent e6bd92bb20
commit c0a824edb6
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GPG Key ID: 9A3604CFAD978478
1 changed files with 3 additions and 3 deletions
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6
arch/arm64/boot/dts/mediatek/mt7981b.dtsi
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@ -94,7 +94,7 @@ pwm@10048000 {
#pwm-cells = <2>;
};
serial@11002000 {
uart0: serial@11002000 {
compatible = "mediatek,mt7981-uart", "mediatek,mt6577-uart";
reg = <0 0x11002000 0 0x100>;
interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
@ -105,7 +105,7 @@ serial@11002000 {
status = "disabled";
};
serial@11003000 {
uart1: serial@11003000 {
compatible = "mediatek,mt7981-uart", "mediatek,mt6577-uart";
reg = <0 0x11003000 0 0x100>;
interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
@ -116,7 +116,7 @@ serial@11003000 {
status = "disabled";
};
serial@11004000 {
uart2: serial@11004000 {
compatible = "mediatek,mt7981-uart", "mediatek,mt6577-uart";
reg = <0 0x11004000 0 0x100>;
interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;