From nobody Mon Apr 6 16:26:31 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 7C0EC3A4502; Thu, 19 Mar 2026 07:51:28 +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=1773906688; cv=none; b=PXLInAvZIRdf9S1rGjA/QvCXX9bxnqYSOR4hKHoKAp5PNzDCmRhM7wvkcOq0R9pFKF+CPQpXdQf2RVZUc2foALI0UwdT4DvJ/q2Hz0tL5afVPMKqZ2vh0yqDIDGMLZRTwRThzd1LYxTL56TCnlGn7RA4Rrtl/I1r9NfEI2sToYE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773906688; c=relaxed/simple; bh=QzplnWO/QSNqIdcoI7K9vtWTSXhLAqnLRdXO2MNz0Wo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IhdrXOEX6l7+722MEY4j+yiW9pcnIMHL6WUSonw6++EV4QGUCjhbkTYb6PAuXYEG+ANDNHwcLPBf1MGboQ/wfykEW4jnQZdTw7ZPSJpOH6PsyZ4McG2elaLbbtb/aFfU0OhRDNjblsY0kq+VFMQd6GhFnyQbQMsXni/6WJedxHw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gg4yX6fI; 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="gg4yX6fI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC7E9C19425; Thu, 19 Mar 2026 07:51:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773906688; bh=QzplnWO/QSNqIdcoI7K9vtWTSXhLAqnLRdXO2MNz0Wo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gg4yX6fIqMskZle8RdRIZvK1N/AA1MmL+zwhC2UxsEZmRnGBcn5RzKqp32tLSMqSr AJ7a66Hc6J1eUYt+Tnwmp5uI1yoAJBYCmstnpCQ6QWUQlmi1P3Xjjl32U+vc9ZQUOH UpbWLMURXoyB+h3XJcZe1Frd1WskC4uij2Ggj102+fqOxP1KQx7qaWGF1QcX16wFNN tS3OliP8XYbfXoQefRV+Vnp4fACdRAnKxWFihFzqQl5KMJmlk2TNodALMPOpYSRIHB NkjAmDSg+f2Uorvcb0+SaSSwrVWYZxDT0wAqrcJ/bxY4894PdTlaQNi/7cBJRb569L JbSbkZQBiurrg== From: Yixun Lan Date: Thu, 19 Mar 2026 07:51:03 +0000 Subject: [PATCH v2 1/2] dt-bindings: usb: Add support for Terminus FE1.1s USB2.0 Hub controller 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: <20260319-03-usb-hub-fe1-v2-1-e4e26809dd7d@kernel.org> References: <20260319-03-usb-hub-fe1-v2-0-e4e26809dd7d@kernel.org> In-Reply-To: <20260319-03-usb-hub-fe1-v2-0-e4e26809dd7d@kernel.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Matthias Kaehlcke Cc: Junzhong Pan , Inochi Amaoto , spacemit@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Yixun Lan X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2171; i=dlan@kernel.org; h=from:subject:message-id; bh=QzplnWO/QSNqIdcoI7K9vtWTSXhLAqnLRdXO2MNz0Wo=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBpu6rxM3JnSJFOj0CdqyrpG3PFZzHenKaW04Inz F1LrIMuB96JAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCabuq8RsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+0EIQ/+KEuksSegBg6BFrWBo9FNf1mrrWlMFE+5h1VRkGl4m7sCmIvIHIEet bpE1rRrlvzN6mIyJ1I8PQUz4np0cyjZMd5ucLLk8KwxunDcne6yDamKfT5IH+oAHgjDhgsNWm/y HvW3gElDv+M6pHODOPcS4ZcjmJ0uipPctyHG4PvnPuoIBSb6rhySMr3F3MjtHC+ayJQxZYhRdaf pXbINOvSMwDaB1S+64wiOnEX+SOom2kyf0fzyXQFwUN4AkCpEAYkQdUgca6ouH/oCwpFFqv3HoL jVNK8kS3hWuJ5vPNsLYHsnh1GTnjImh5L8uDFsOyr1YAY6VlSsRVsmx4qUVauL6LBRX98iDf2zQ ID/17AA2M+d/2C2gb8ipsxxV7+GtungMdvqHDEAEuwN+kvJ+kabhHmtr0Skm42KsBN/bkzbu6rP dPoTDCyTWErC2aJT4jn48Yknj4tfOD8xLCyAq+oAj/pKtMAMbEqKszQ26yAvwtbfqtNo5Thm1F7 VlYhWs7GKfhNcy61okNPkmSflLCbTZdSoEw/BPptdCFwD1XEq57qDSu51DEDMMIqw8wWA/w/GOg jSt5SzMTSSPn/mLC8dK1UJ6yeVKh8o2tABL73zfoGUzQvvUdS6A6cq3qHoFe7n3+I0+jxbczSAV 820RcAdX1xDGsQHI2Cwytoq0tGa8Fw= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 Terminus FE1.1s is USB2.0 protocol compliant 4-port USB HUB, It support MTT (Multiple Transaction Translator) mode, the upstream port supports high-speed 480MHz and full-speed 12MHz modes, also has integrated 5V to 3.3V, 1.8V regulator and Power-On-Reset circuit. Introduce the DT binding for it. Link: https://terminus-usa.com/wp-content/uploads/2024/06/FE1.1s-Product-Br= ief-Rev.-2.0-2023.pdf [1] Signed-off-by: Yixun Lan Reviewed-by: Rob Herring (Arm) --- .../devicetree/bindings/usb/terminus,fe11.yaml | 62 ++++++++++++++++++= ++++ 1 file changed, 62 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/terminus,fe11.yaml b/Doc= umentation/devicetree/bindings/usb/terminus,fe11.yaml new file mode 100644 index 000000000000..645f97d73807 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/terminus,fe11.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/terminus,fe11.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Terminus FE1.1/1.1S USB 2.0 Hub Controller + +maintainers: + - Yixun Lan + +allOf: + - $ref: usb-hub.yaml# + +properties: + compatible: + enum: + - usb1a40,0101 + + reg: true + + reset-gpios: + description: + GPIO controlling the RESET#. + + vdd-supply: + description: + Regulator supply to the hub, one of 3.3V or 5V can be chosen. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + patternProperties: + '^port@': + $ref: /schemas/graph.yaml#/properties/port + + properties: + reg: + minimum: 1 + maximum: 4 + +required: + - compatible + - reg + - vdd-supply + +unevaluatedProperties: false + +examples: + - | + #include + usb { + #address-cells =3D <1>; + #size-cells =3D <0>; + + hub@1 { + compatible =3D "usb1a40,0101"; + reg =3D <1>; + reset-gpios =3D <&gpio0 1 GPIO_ACTIVE_LOW>; + vdd-supply =3D <&vcc_5v>; + }; + }; --=20 2.53.0