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Sat, 20 Sep 2025 19:52:18 +0000 (UTC) From: Bryan Hinton To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Cc: angelogioacchino.delregno@collabora.com, conor+dt@kernel.org, krzk+dt@kernel.org, matthias.bgg@gmail.com, robh@kernel.org, daniel@makrotopia.org, Bryan Hinton Subject: [PATCH v2 1/2] arm64: dts: mediatek: mt7981b: add labels for UART0/1/2 nodes Date: Sat, 20 Sep 2025 14:50:50 -0500 Message-ID: <20250920195102.2733949-2-bryan@bryanhinton.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250920195102.2733949-1-bryan@bryanhinton.com> References: <20250920195102.2733949-1-bryan@bryanhinton.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: mBhngQ9sjVFgcqTigtoistV_k-tujIkB X-Proofpoint-ORIG-GUID: mBhngQ9sjVFgcqTigtoistV_k-tujIkB X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIwMDE5NCBTYWx0ZWRfXxFPJSD5OGktG UeLPBUNIy/S47Jzetf6J/BjxXzzzabI64GJPlhbXknJYYGl0J9fTCS0BFPBYYGtpGGTnOs6EXEr 2ejUaLPloAWxnkVAs+0GjAmVg+LVc5aadIwKyFbr+xPaicpeXHMdyVuyMo8howBJs0g6FWndv7U vemQRI37sNJJS3kfG4pjmW9yu3EBlYGTZyFbLDbK3YnZ6hnffKb1JJEQuqm88o7yX5tqyDKCO+U /xiXVSh/LJkIh9HMZ5pONdulImxak/wo/C2jNXzDNscEJijaClG5bACFSWYjoLzXYkCvp9enI= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-20_07,2025-09-19_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxlogscore=913 clxscore=1030 bulkscore=0 mlxscore=0 suspectscore=0 phishscore=0 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.22.0-2506270000 definitions=main-2509200194 X-JNJ: AAAAAAABU7elWgdKEGifIUerGrdz3AuEfJ8Sw9y2TUnmm3megRUveYhBf2WD2d1Lr06lEVapCSAcM6eEaaP8gfzAgb11lIDXu/aIyrr5WLmFQPDW/r0UocqP//VEbmxAveqC9de2SWEcUwxCZnrsl++7BiOiA0LwqEsyictdElbeJFZbGILSpDbFwmaV/sz8awy/dXUeG4V2LWvvXZO5IdphIJe4/nYTwV9AVXTVqEmiic51a7NE8HZENkwjppfE7Z5BF37EoATzGnhvxCAg9yAtrIhg+J4T/yzGDreA61wW3a23VGpHZUaZBCS8mB6MIwQJVxUGET4+Hu/3X0LfuCkowb6TVOrzlrxMdQJUPNUbCLHniHteYd5vqBlYOrUbxBKFTaSZQqL1R3CmVRvVUpmqbaZ/VMSyQbhDofKA1Ai6RxIFSPdvai6TG3JhezBylKInVX5GrgMQexUU42v1W+vU+9z2zurcpfzOOnTQ+ytY9UxqH0oj6t9rqbn68J3F5b2k0eAN9PVZPERUmmE+wUrN8WX7Z8gpPVb6iW8hS6/HuFRoLEMnnjfph3C8OVYNsD5Lh6Fi8IKsUMEZDvNzNwhJew7LrIPOvAYlIWi3fdZ+v7PBCICT2jy8RcJ+IFHu+A8nePdE80A4P9pZ94l1kvJ/amhePwQVCpB1Mb+ap/7JOq/1Ags1cSCqf/u5OYWhqUnL+FpOj6y5JcTVjO76xIQIOLnYe78DcZPbuLJEIaMuIqcaJQ== 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 --- arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi index 5cbea9cd411f..4ee7fb83000d 100644 --- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi @@ -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 = ; @@ -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 = ; @@ -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 = ; -- 2.51.0