From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 73D3C3BE542 for ; Tue, 16 Dec 2025 13:33:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765892033; cv=none; b=G2yZUbETLVwhABuGdgZqOdW8ZVw/670wVdAsY2oDNkZ89e7cGnnUGemZYJtSTmY1hXigJLE1Sab8Qa8t+NFdUVjAvoZ9d/yHhxc7QwRFE2eiz4nKefn6cds9AAiDuXAHLNkDMfGanbI9TlcbmpK+cib9OlALr78CiDu769sapvc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765892033; c=relaxed/simple; bh=Zbrgxl7/8K5204RAl20OAm5sZDIuaXEuvin7xFtImFs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QCRZrXGP070neHcSl3qWLJxRJPA10K7Th5FU0e7/gIIpjLxfj3i/DmfjPe4gYgKb8Z+ebGKgoakDObFTERzcc98i5se/NJqr5//JEq0Roq+klwWVes8jN8sAcD/qMerVXpoxWxTSmVWVYxksh7aN3vRoLDPUpoDlf++GEJJa7Mo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riscstar.com; spf=pass smtp.mailfrom=riscstar.com; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b=XZSyn5+6; arc=none smtp.client-ip=209.85.214.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riscstar.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=riscstar.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b="XZSyn5+6" Received: by mail-pl1-f172.google.com with SMTP id d9443c01a7336-2a0d52768ccso28558755ad.1 for ; Tue, 16 Dec 2025 05:33:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=riscstar-com.20230601.gappssmtp.com; s=20230601; t=1765892029; x=1766496829; darn=lists.linux.dev; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=L+gFWCwRiawMnBncXcTO/PvxprCNgSOeAOdslKE2EFs=; b=XZSyn5+6G7VVnXBuwXhnmXDgLBWVlQ3Wf9Y/Mw/4fmT++DWeU1pi2h2g+1Q9Vv8hJL 1yTgpslszlzxT9ZkZ394SEfqYea04ajRdwjiG/zeaXPlxp0gI4M3lWfkf0ENBk/PhQSH vVOvoxiuL4QjkRZHUDgV/DvSNdW8+COLd0t05bO5BEniEpZyhhhuegVBH6y5bqC1CLPo tYuZvDF+4K5RAGlxY0WFSCiQByUVeo0E1e1hPSkgi7CQThTC8m0bt+DTFzuiutdfQXtw Uc4Ng2eaRiP/LSrl5iA/DIpB2/YRrQ6r+M4NLQYtSJdDucHMGiIBxkJpgeX4CGwltmfo kgxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765892029; x=1766496829; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=L+gFWCwRiawMnBncXcTO/PvxprCNgSOeAOdslKE2EFs=; b=hex7ui/eOXb22NrZy72tjUK68jEKs/TZtFReETgwqT9deTGB42rMCzmZ5A0aq6Q3aX sD7BED2J92Ls9L8rtTqVD8sJkpyHMjMZ3j5+On6twGXJCT2Rydog5w/cJY/45gjBRg5M PODZ9sVoBS6mgZieOWHQkV1YNMCSpPV+WvPZiFbdHanQdXQdtvdorpL7A0XN4gsQctBW 8mSrxCbR6iDmBPXTP0rYHj29g6wYaIlHzggrXrl0PP90hsc0SUYKWEO/Zaz8OdUnQbWt DiuL25xjglIDbwH34F9XXRPHFSp4BTaok/Jv+y2rKSHd6ZNc8c7mcs7rHQUDssABIjCN qRuQ== X-Forwarded-Encrypted: i=1; AJvYcCWCaghBNnC+xxFNlEQlpIQUQZaeIQaPpviiVFJ2NtFc4L5mrjTyqCxSK2aJslvSfNCW+eWkvu1rLA==@lists.linux.dev X-Gm-Message-State: AOJu0YxAszqMQbgNuSf4m+QwGPUOL2sp3JLZ3bmUxKY96oxJVujJXwrb sJsB36fZjIT6Ju4U7AAXOMxe5gqj3rKWwn+jnMxZOmxaUii2UVPcdsyGuTPMNhaJYEY= X-Gm-Gg: AY/fxX763sG9BQt/CyOQjGGQD1yP06if9pUQm5zETPrn49ric8ewuvKw+ZV6+VyXROV 2pd7ktgfOWEKMNChYsV0wfssM894nSqGX8qrMpDAeKD0WpIKWFNnvOsYdJL30b3BACSrCW1S+jg b6f61nx3DnP4mJMw4vC3COi1wGEj1aM1Wrp8Og5qntoKHTILh2xHOcIHcYB2k8aOZxB+MIdQ2Y8 zPzxPm21Yq9i/scikkE51rI43wRn86tvIqQd8sBlfbBC5I2CWG9Ga7tS+DGUqv2sMJFzAWk+L+k Sv6T5rnLOmARWftZECNJmdvNIsCCaru1Yjuh/mWRURj1+uC3A3HJG4ZvyfPfEqVOziiCzvxNw1d x9Nc7Vcd/cxEZE1NUJvqnDzRlu0ZtLS9WxwMxug6irVwwqCq8u++2kIHXdTyE6xi2eOocMnr658 CzD72enM9OnTtVk/Ux1mGOalU9A+mG9lU= X-Google-Smtp-Source: AGHT+IH555BYg0W02DfoN/1AYodPyeJqWymKTxAH7DEgGh7AGGSGr1M1vruhKc7CF1NGnjMT2M0bUg== X-Received: by 2002:a17:903:48b:b0:297:d697:41e with SMTP id d9443c01a7336-29f241515b7mr111102665ad.37.1765892028806; Tue, 16 Dec 2025 05:33:48 -0800 (PST) Received: from [127.0.1.1] ([2a12:a305:4::4029]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a14625add8sm15829525ad.61.2025.12.16.05.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Dec 2025 05:33:48 -0800 (PST) From: Guodong Xu Date: Tue, 16 Dec 2025 21:32:29 +0800 Subject: [PATCH 5/8] dt-bindings: serial: 8250: add SpacemiT K3 UART compatible Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251216-k3-basic-dt-v1-5-a0d256c9dc92@riscstar.com> References: <20251216-k3-basic-dt-v1-0-a0d256c9dc92@riscstar.com> In-Reply-To: <20251216-k3-basic-dt-v1-0-a0d256c9dc92@riscstar.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Daniel Lezcano , Thomas Gleixner , Samuel Holland , Anup Patel , Greg Kroah-Hartman , Jiri Slaby , Lubomir Rintel , Yangyu Chen Cc: Paul Walmsley , Palmer Dabbelt , Conor Dooley , Heinrich Schuchardt , Kevin Meng Zhang , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, spacemit@lists.linux.dev, linux-serial@vger.kernel.org, Guodong Xu X-Mailer: b4 0.14.2 The SpacemiT K3 UART controller is compatible with the Intel XScale UART. Add K3 UART binding and allow describing it with a fixed clock-frequency for now. The clocks and clock-names properties will be made mandatory in a future patch, once the K3 clock driver and device tree are merged. Signed-off-by: Guodong Xu --- Documentation/devicetree/bindings/serial/8250.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml index 167ddcbd880058b6dcea9ce33bd814ff8ba6b0f6..73851f19330d7f9fc254efcd32b5977feada0b07 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -160,6 +160,7 @@ properties: - enum: - mrvl,mmp-uart - spacemit,k1-uart + - spacemit,k3-uart - const: intel,xscale-uart - items: - enum: -- 2.43.0