From patchwork Wed Mar 19 16:11:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Sergio_P=C3=A9rez?= X-Patchwork-Id: 14022812 Received: from p00-icloudmta-asmtp-us-central-1k-60-percent-6.p00-icloudmta-asmtp-vip.icloud-mail-production.svc.kube.us-central-1k.k8s.cloud.apple.com (p-east1-cluster5-host5-snip4-6.eps.apple.com [57.103.89.177]) (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 8284514A09E for ; Wed, 19 Mar 2025 16:14:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=57.103.89.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742400881; cv=none; b=cxNJeilLhPUspjNWBoaUOUY1VdjnF4+K+ng0rI7DXL5rgNyrEkDW8EMxPf2UTbq9SHisyUrwtLbbgrnC0x/OKWYgjoHAhQUg5VDdxpiPLMnCc6pB/9+mIFiTnNMIaMqbsW1zHYiD/9dO0LzarkvjdocP9iARlOKczrj7Gf3YcqY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742400881; c=relaxed/simple; bh=jSYigw9RHd5MXqnBsNMF/i/zXhiUyoQtQhVRk7JevBk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=mPuHhHriwKbPCuzoMHPenkVvgj/4MhvjLhuJl63d4L3i6xkJgYN4RqnGA0GRmGTWBqmD27f1zgt3UianzrD/DsOmmQjS0OVnvlnc4UGfByAbNt9eIMfCvhssE+jguiq6kjEduHmGebnb9ElEQz4VIoKd2iVfEWD4FiUuvvXzI4w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pereznus.es; spf=pass smtp.mailfrom=pereznus.es; dkim=pass (2048-bit key) header.d=pereznus.es header.i=@pereznus.es header.b=hy+E5DHK; arc=none smtp.client-ip=57.103.89.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pereznus.es Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pereznus.es Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=pereznus.es header.i=@pereznus.es header.b="hy+E5DHK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pereznus.es; s=sig1; bh=0YAbwE3jUJmjtAF1aTc+Ih0zOeBMB4K71DOpq7By6Pg=; h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme; b=hy+E5DHKdpH56Dy8LdHmdrfXV9j489Vrw73m77JWLDD4TVO9imr3y//mEgFsoyxJx 3R9E491+vct35wKGFXO41bGC9x1XZJNMnac5aDd4HSN8bhQJuM5pL+UWMImsuuNCGv QGSeYM6jgtmaRZX+VBSWs0asrGZHWiuNayV6ryocIu0Eb35SPlX6yUIcsFHDXV+nTi JNKeAA38bngWHcwmbTt0aBsrwlCN2Mkw1rhhL9dnna8AuKzknJ2b2Mq8F5hPzMD36a SxOpEu1rIDM33Z8nDSFjE7WUxEEEZw9C7Nb48+uVxWx+i79Ipmf8SIZ4HXhZwRkG6i iF1+J/gMRemjw== Received: from localhost.localdomain (ci-asmtp-me-k8s.p00.prod.me.com [17.57.156.36]) by p00-icloudmta-asmtp-us-central-1k-60-percent-6.p00-icloudmta-asmtp-vip.icloud-mail-production.svc.kube.us-central-1k.k8s.cloud.apple.com (Postfix) with ESMTPSA id 20D9E1800851; Wed, 19 Mar 2025 16:14:33 +0000 (UTC) From: Sergio Perez To: Tomasz Duszynski , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Sergio Perez Subject: [PATCH v3 1/2] dt-bindings: iio: light: bh1750: Add reset-gpios property Date: Wed, 19 Mar 2025 17:11:16 +0100 Message-ID: <20250319161117.1780-1-sergio@pereznus.es> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: wiQP3Y_JUpN-3SSrwOY1O2K4CbhoPWpX X-Proofpoint-GUID: wiQP3Y_JUpN-3SSrwOY1O2K4CbhoPWpX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-19_06,2025-03-19_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 clxscore=1030 spamscore=0 malwarescore=0 bulkscore=0 mlxscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2503190110 Some BH1750 sensors require a hardware reset via GPIO before they can be properly detected on the I2C bus. Add a new reset-gpios property to the binding to support this functionality. The reset-gpios property allows specifying a GPIO that will be toggled during driver initialization to reset the sensor. Signed-off-by: Sergio Perez --- Documentation/devicetree/bindings/iio/light/bh1750.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/light/bh1750.yaml b/Documentation/devicetree/bindings/iio/light/bh1750.yaml index 1a88b3c253d5..f7a8dcd7d2a1 100644 --- a/Documentation/devicetree/bindings/iio/light/bh1750.yaml +++ b/Documentation/devicetree/bindings/iio/light/bh1750.yaml @@ -24,6 +24,10 @@ properties: reg: maxItems: 1 + reset-gpios: + description: GPIO connected to the sensor's reset line (active low) + maxItems: 1 + required: - compatible - reg @@ -39,6 +43,7 @@ examples: light-sensor@23 { compatible = "rohm,bh1750"; reg = <0x23>; + reset-gpios = <&gpio2 17 0>; }; };