From mboxrd@z Thu Jan 1 00:00:00 1970 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 BC6191F1302; Fri, 15 Aug 2025 03:12:52 +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=1755227572; cv=none; b=dYBArkKUrl3nVx1tGXdGyt4qZqwy1K+2SH/cCp9J3poP9kzP5NpKFwxFlPDNfNssSzK7TElzeR7b5sFtlwnjXvVtE1JCL75WWhZ64zO9+sJ1+n08tq70QqCIsOqnNmakkO9vNfJVNcXGRYtW7f605bsApb9KeRd9Aml2dJQ7/cE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755227572; c=relaxed/simple; bh=YsEDhpiQu05cFEIH2kVfWAb7P2ooH9l6nt2L+56tavM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=qhSiYKH0UIKfr7hZa1fEofc9TM6K+nc/te9533HR3yKXFeqIt6wUFtHyE04srGbTQ0PQnEj1UWW/r4EkhizLCPlbeRfZQLkpZFm/dAsCjAQ0w77uC9USVgMDYxj1iGgcP+9e2E23K17/QTcinzNu9Dk9/fQ5QERLGWOuUzbHraY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IoZWQmH+; 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="IoZWQmH+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E48DEC4CEED; Fri, 15 Aug 2025 03:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755227572; bh=YsEDhpiQu05cFEIH2kVfWAb7P2ooH9l6nt2L+56tavM=; h=From:To:Cc:Subject:Date:From; b=IoZWQmH+xAXJ4szSnsB+t4diKW7Sn7Pkpj4ga2o8MKDn2Hs4bXnHvj58ePVw5Ormf 6rGul3TCWfZX3zY1duNwjlvZxyWdKHoFsqhCdtphwHHWdE3yMtdfsYuH3r5qWPip5I iJHan41lnDXyTpfTuNN6rRJluvV1CuJbDq4x7QRLIxHPu7euG81nN+RlyOTrZhzV7F SdjQnXfo/B+eMbddMcnbaSnK87WQnBgJM9tPb509CWHOKZjilnQlgkgD+MilhrYAgb IRF/cilwpgthSv3MenIu0k70TdCNaqCe8edvZ31nCbBwBELk4Obb8+ikOaT5xhPSNc 04IopRkojfIeg== From: Jisheng Zhang To: Richard Leitner , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] usb: usb251xb: support usage case without I2C control Date: Fri, 15 Aug 2025 10:55:38 +0800 Message-ID: <20250815025540.30575-1-jszhang@kernel.org> X-Mailer: git-send-email 2.50.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Refactor so that register writes for configuration are only performed if the device has a i2c_client provided and also register as a platform driver. This allows the driver to be used to manage GPIO based control of the device. Jisheng Zhang (2): dt-bindings: usb: usb251xb: make reg optional for no I2C ctrl use case usb: usb251xb: support usage case without I2C control .../devicetree/bindings/usb/usb251xb.yaml | 1 - drivers/usb/misc/usb251xb.c | 108 +++++++++++++++--- 2 files changed, 94 insertions(+), 15 deletions(-) -- 2.50.0