From patchwork Tue Mar 18 19:45:54 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: 14021486 Received: from p00-icloudmta-asmtp-us-central-1k-100-percent-9.p00-icloudmta-asmtp-vip.icloud-mail-production.svc.kube.us-central-1k.k8s.cloud.apple.com (p-east1-cluster4-host4-snip4-9.eps.apple.com [57.103.89.42]) (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 4ECC81A9B52 for ; Tue, 18 Mar 2025 19:47:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=57.103.89.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742327235; cv=none; b=b9a15iPmDepR5XmKGqIvIXkjdU0y3Ng0XqLJdl7oBmAFazlveT/4PBNZ4Npg79de6AIQYC/+XAYUjRz+nzABTAcip21KeRu9hJzkgOgYoE6Vnb/p4WO7pKu3b24moOlGib5rZwiU5YOZGdy0O06WtTZa114MHnrCpklf8wyEbrU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742327235; c=relaxed/simple; bh=jSYigw9RHd5MXqnBsNMF/i/zXhiUyoQtQhVRk7JevBk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=W9IM+sAqxviAwQZrn4JZ0Ow/YbXU2ISUHYM9rVYvFYAmM1sGNilcjHoCbdv7bgvMzFhfJyJuXdoP30VMydQ6/YgdeNaNsFMAryT7zcmrSI8bBbnQvMt9Cp8EDpr6+7Mh7Y6Om0+1RNyxVyOxMhTgy/VHjmzlLFTgc6vDtZozduo= 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=AGyn0Wpg; arc=none smtp.client-ip=57.103.89.42 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="AGyn0Wpg" 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=AGyn0WpgjVxL7J4hRqXjxy59wKpX0U0r0OXBYOqSIc05JbGG2Y+8ziuY7TtsAyxzn iSs18sLM4WxdjQfJ9W/uzUsP2P0AeibWuNZ4iwAk48vs+6EgNPfZqtciSBa8wiKq72 KybS2Re4m21jyF4wcWZbbfYDIyPYKENI+YljKqqLYBbzYvx3ZAe6cCAolVcvETbPSF V760Vz6FXM+OJ476qXHo5+oBuOCcnhPTPJ8/ooGMNHDxv+Ls73qqddQFYeT8QSoLB1 waWXEjhBftOQjamgMP0hBgn95f5mxLXC4LAwH9+Qa09SgPfFTAKs7L7rUp2OUTTDBC fvBfHf5+aA3Mg== Received: from localhost.localdomain (ci-asmtp-me-k8s.p00.prod.me.com [17.57.156.36]) by p00-icloudmta-asmtp-us-central-1k-100-percent-9.p00-icloudmta-asmtp-vip.icloud-mail-production.svc.kube.us-central-1k.k8s.cloud.apple.com (Postfix) with ESMTPSA id 527D318001CA; Tue, 18 Mar 2025 19:47:04 +0000 (UTC) From: Sergio Perez To: linux-iio@vger.kernel.org Cc: devicetree@vger.kernel.org, Sergio Perez , Tomasz Duszynski , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v4 1/2] dt-bindings: iio: light: bh1750: Add reset-gpios property Date: Tue, 18 Mar 2025 20:45:54 +0100 Message-ID: <20250318194624.7626-1-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-GUID: qs5RND1TH8wMqItkiprUYf94-BngdX8M X-Proofpoint-ORIG-GUID: qs5RND1TH8wMqItkiprUYf94-BngdX8M 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=2025-03-18_09,2025-03-17_03,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 spamscore=0 clxscore=1030 phishscore=0 mlxscore=0 adultscore=0 bulkscore=0 suspectscore=0 mlxlogscore=899 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2503180143 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>; }; };