From nobody Thu Oct 2 17:02:09 2025 Received: from TWMBX01.aspeed.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 A56462D7388; Mon, 15 Sep 2025 07:39:36 +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=1757921983; cv=none; b=I+RABGEjq8gZFmr/M9uEhERVANqxhUJzmly627hnjU7lyh65Np7HmZU7XGYw93lhYlLOd/XuMgI6YhJJQ3Uhy0ei16Gd8Q1IYr/lAvMhyjqkULQy6axKeq4UpU7lfj1lj/jEjragARZJnx44NHmeinQ+T3VIKpEmOxJFHg0d83A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757921983; c=relaxed/simple; bh=qSuz+bKGDq7k+juHcdsrwoGO+rS155RqVm52v5DFmnA=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kyLCumzl3jhttXiU1loaQnW98N4HNqFq7D4x6HTUhMrQ9iWeTJ9ErJJldA50CN02vYk9N1xkI+99oHJCCxJw9Za7U3EJH/BQR3DgqzocqUQEKesAKQUEfjKOZpJ1LQQyrVClNNp21MCnMG/8PYVwVdktgjyzJIqlYig9R8wtuYQ= 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; Mon, 15 Sep 2025 15:39:26 +0800 Received: from twmbx02.aspeed.com (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Mon, 15 Sep 2025 15:39:26 +0800 From: Ryan Chen To: ryan_chen , Greg Kroah-Hartman , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Alan Stern" , Philipp Zabel , , , Subject: [PATCH 1/4] dt-bindings: usb: uhci: Add reset property Date: Mon, 15 Sep 2025 15:39:23 +0800 Message-ID: <20250915073926.3057368-2-ryan_chen@aspeedtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250915073926.3057368-1-ryan_chen@aspeedtech.com> References: <20250915073926.3057368-1-ryan_chen@aspeedtech.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The UHCI controller on Aspeed SoCs (including AST2700) requires its reset line to be deasserted before the controller can be used. Add an optional "resets" property to the UHCI device tree bindings to describe the phandle to the reset controller. This property is optional for platforms which do not require explicit reset handling. Signed-off-by: Ryan Chen --- Documentation/devicetree/bindings/usb/usb-uhci.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/usb-uhci.yaml b/Document= ation/devicetree/bindings/usb/usb-uhci.yaml index d8336f72dc1f..b1f2b9bd7921 100644 --- a/Documentation/devicetree/bindings/usb/usb-uhci.yaml +++ b/Documentation/devicetree/bindings/usb/usb-uhci.yaml @@ -28,6 +28,9 @@ properties: interrupts: maxItems: 1 =20 + resets: + maxItems: 1 + '#ports': $ref: /schemas/types.yaml#/definitions/uint32 =20 --=20 2.34.1