From nobody Sat Jul 25 01:37:25 2026 Received: from twmbx01.aspeedtech.com (mail.aspeedtech.com [211.20.114.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5FEC03F99FA; Tue, 21 Jul 2026 01:50:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.20.114.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784598631; cv=none; b=dUNPp7vbuEDupDPUP9ZTFgB7JIw1uaf82kMNIqmujmTKCYxY21mywlzI0k1rCzZpbgC3ni3kXAfs5xDgaY1ucf+q7ruWjt1PG04Ec6AennNVhD1k+wLaniqw6ItnZqDDiQLtLAn6hG7oTz61WEFjZOkGBtp+As+w4yyh8h2YYyE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784598631; c=relaxed/simple; bh=lTntWyTl6avbCN1RfulOTEOhcKWdMhAjrbYEkpJBN2M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:To:CC; b=jSZCioLcg7r9FYO46da14FtzPEeFibqnFC6IIl9Wq6/alkWNR8ohHaIAUROgpf/QyOVV9RmWU3cl9sENzx7WD5BVmt+Oj5isdDcMrhfuq0bFySXpPkLNriTZY8Fe6dDjT3HmMBFeSvvVjfkLyS6o4IxRUQAGs4NZRZ5FqOYklrU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com; spf=pass smtp.mailfrom=aspeedtech.com; arc=none smtp.client-ip=211.20.114.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aspeedtech.com Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Tue, 21 Jul 2026 09:45:19 +0800 Received: from [127.0.1.1] (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Tue, 21 Jul 2026 09:45:19 +0800 From: Yu-Che Hsieh Date: Tue, 21 Jul 2026 09:44:23 +0800 Subject: [PATCH] dt-bindings: serial: 8250: Add Aspeed AST2600 and AST2700 uart compatible Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20260721-upstream-ast2700-vuart-support-v1-1-b4ed612b1aa2@aspeedtech.com> X-B4-Tracking: v=1; b=H4sIAPbOXmoC/x2NQQqDQAwAvyI5N7AbsCv9Sukh1bTNQV2SXSmIf 3fxNMxlZgcXU3F4dDuYbOq6Lk3irYPxx8tXUKfmQIHuIcWENXsx4RnZC6UQcKtsBb3mvDZOFN9 DP0rknqBFsslH/9fg+TqOE7Xg3llwAAAA X-Change-ID: 20260717-upstream-ast2700-vuart-support-d21b85ce1a52 To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lubomir Rintel , CC: , , "Yu-Che Hsieh" X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1784598319; l=1472; i=yc_hsieh@aspeedtech.com; s=20260717; h=from:subject:message-id; bh=lTntWyTl6avbCN1RfulOTEOhcKWdMhAjrbYEkpJBN2M=; b=tbmLQWpUhjRarAtgM+ML7C86yZBUi7RA1ZVfBGexzqaDBlyXr8hdg5vfogkWPUJ0fcLEGlFR4 qVtJV3JQ7S8CWWfFphwMkOiyVup+0UMeNgyYP5atazA42Tvy42e/IVm X-Developer-Key: i=yc_hsieh@aspeedtech.com; a=ed25519; pk=ah7wJd9O1yEvNiwJM+jX3RKAaMjb4uwyNPwYUIgEkRg= The AST2600 and AST2700 VUART controllers are identical to the AST2500 VUART controller. Add the "aspeed,ast2600-vuart" and "aspeed,ast2700-vuart" compatible strings and fall back to "aspeed,ast2500-vuart" for compatibility with the existing driver. Signed-off-by: Yu-Che Hsieh --- Documentation/devicetree/bindings/serial/8250.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documenta= tion/devicetree/bindings/serial/8250.yaml index bb7b9c87a807..8c2c177faf89 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -23,7 +23,8 @@ allOf: then: properties: compatible: - const: aspeed,ast2500-vuart + contains: + const: aspeed,ast2500-vuart - if: properties: compatible: @@ -188,6 +189,11 @@ properties: - loongson,ls2k2000-uart - const: loongson,ls2k1500-uart - const: ns16550a + - items: + - enum: + - aspeed,ast2600-vuart + - aspeed,ast2700-vuart + - const: aspeed,ast2500-vuart =20 reg: maxItems: 1 --- base-commit: da7b5fd4e17f8e44c5590f2d603c01d499f056e6 change-id: 20260717-upstream-ast2700-vuart-support-d21b85ce1a52 Best regards, --=20 Yu-Che Hsieh