From nobody Sat Feb 7 20:44:02 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2DE0C3090DC; Mon, 15 Dec 2025 21:25:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765833922; cv=none; b=GNYBpgKVSBkZNch63sIr//PQS33gWNrUAOdOhDkuWQUbNSeAORZ6cZcjSWc9/Xh5FnSqvjQOTya3Zn9Cfu+dAMT7ZrOVoQAOMkQnny4PfglxZ0PouWDEIJNLRJBu9HIaaXHhBoXqrjc3sZplpICrIWwbHbJdL4qq2enR4mUwmLg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765833922; c=relaxed/simple; bh=O5xOuOer/BKVANynXgkmYNDM7fkR0s6xfvoMucdEqpA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Gq/GwZezpA/PaeZMmm/S9HzKfXQpBq4nI5YpfFLWtnCCIJG7ibptaylgNpiIFI8FBTpOcHblycI+svHK8wpjxwDP3sVnn6aT2AmLXSsw8XC3z3tocAaff+JwamyQm67XUQdCoQy5o6WYb+RozYFMuEnoDKUy6X+d6UZLpqUBtmc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MVImDoQh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MVImDoQh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59605C4CEF5; Mon, 15 Dec 2025 21:25:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765833921; bh=O5xOuOer/BKVANynXgkmYNDM7fkR0s6xfvoMucdEqpA=; h=From:To:Cc:Subject:Date:From; b=MVImDoQhnmuQxL3hJb+vg5rvuTik/NbexeeOq53iqIUPCQloCsUVP8HHu9+hvfYUn o5mj8vI1GnyscgSO26LOUBN5L79/mcd9JhzG16CNlaV8BIwadFlYqb3Bv5eblCVp+T Sn01zdbWjA10bd92UkdReP721ztCsEQouYNX4G903S+hKfWbtvDATevBDROQ48huC5 3+ZMK9aOLeXIkUHHD6sk+W9vbUpyw5jPqZ3yUPLhx/z+Oe753OWho8hbl0p+j0iFqX 3TzjgOjm3cIC4ANOtNrWI/AfCOT4t8hqoY1wtGjHK8EU8qnZhjvbFpX2OlRV4AqU3P LDHIf15fRCvvw== From: "Rob Herring (Arm)" To: Greg Kroah-Hartman , Krzysztof Kozlowski , Conor Dooley Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] dt-bindings: usb: ehci/ohci: Allow "dma-coherent" Date: Mon, 15 Dec 2025 15:25:14 -0600 Message-ID: <20251215212515.3318052-1-robh@kernel.org> X-Mailer: git-send-email 2.51.0 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" EHCI and OHCI controllers can be DMA coherent on some platforms, so allow the "dma-coherent" property. Signed-off-by: Rob Herring (Arm) Reviewed-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/usb/generic-ehci.yaml | 2 ++ Documentation/devicetree/bindings/usb/generic-ohci.yaml | 2 ++ 2 files changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Docu= mentation/devicetree/bindings/usb/generic-ehci.yaml index 4e84bead0232..601f097c09a6 100644 --- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml +++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml @@ -93,6 +93,8 @@ properties: minItems: 1 maxItems: 2 =20 + dma-coherent: true + interrupts: maxItems: 1 =20 diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Docu= mentation/devicetree/bindings/usb/generic-ohci.yaml index 3ee1586fc8b9..961cbf85eeb5 100644 --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml @@ -64,6 +64,8 @@ properties: reg: maxItems: 1 =20 + dma-coherent: true + interrupts: maxItems: 1 =20 --=20 2.51.0