From patchwork Thu Feb 22 01:13:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ond=C5=99ej_Jirman?= X-Patchwork-Id: 13566651 Received: from vps.xff.cz (vps.xff.cz [195.181.215.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0FCB8111AC; Thu, 22 Feb 2024 01:13:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.181.215.36 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708564435; cv=none; b=ckoDNbDvClBshKxqQ0rC6ySpd5H2ytpJiBF6KqG75eM81wpBO0NQEE2KewfmHWgsXrPasKxCYyHPiy38oJP0MKm2UT4mSraWHy8aEpLbUPsJmVkTXLRAb69Gzuu8Mswm0vE5kaIdEy0ayUvfAI6pX+3O+j8Ql25v8uZnf/XFxRs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708564435; c=relaxed/simple; bh=MzFWAiynKIMfBbcmFyJFSn3s5kPBd8miZrCSWWhxnWw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=dmuQFeOuikvbfYXgUWRfPUOc1pdP/tfiDYug/L7bjyX9c9h5iQ1mlNlT+Bokj6GvAgZ9X0zJ2i0F96fG26JVLKdjPrvKpobTWgF7gvjDrhFLHTufeAP/Esczi5kaJZe345k2R4I7ZUb5c1MwUpIpqp4uUDr4+cye/FeTR9WNH6Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=xff.cz; spf=pass smtp.mailfrom=xff.cz; dkim=pass (1024-bit key) header.d=xff.cz header.i=@xff.cz header.b=dhMGQMOA; arc=none smtp.client-ip=195.181.215.36 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=xff.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=xff.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=xff.cz header.i=@xff.cz header.b="dhMGQMOA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xff.cz; s=mail; t=1708564424; bh=MzFWAiynKIMfBbcmFyJFSn3s5kPBd8miZrCSWWhxnWw=; h=From:To:Cc:Subject:Date:References:From; b=dhMGQMOA2FK4mh9vjgz7pkGx2PXSrLmgK+AC0RpdVMO828BaO9KvHWSw1n8BiBUmW JaNsidtFsjm6d+LHuPVGWd2piXWtdIs8h7Uhmt22m4tl+VnNWQpat+zk6KgtkEi14G KZLU1f7zbVbLLbbE852xq3eOnzczOExM/O302bDM= From: =?utf-8?q?Ond=C5=99ej_Jirman?= To: linux-kernel@vger.kernel.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrey Skvortsov Cc: Icenowy Zheng , Dalton Durst , Shoji Keita , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, =?utf-8?q?Ond=C5=99ej_Jirman?= , Conor Dooley Subject: [PATCH v4 2/4] dt-bindings: iio: magnetometer: Add Voltafield AF8133J Date: Thu, 22 Feb 2024 02:13:36 +0100 Message-ID: <20240222011341.3232645-3-megi@xff.cz> In-Reply-To: <20240222011341.3232645-1-megi@xff.cz> References: <20240222011341.3232645-1-megi@xff.cz> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Icenowy Zheng Voltafield AF8133J is a simple magnetometer sensor produced by Voltafield Technology Corp, with dual power supplies (one for core and one for I/O) and active-low reset pin. The sensor has configurable range 1.2 - 2.2 mT and a software controlled standby mode. Add a device tree binding for it. Signed-off-by: Icenowy Zheng Signed-off-by: Ondřej Jirman Reviewed-by: Conor Dooley --- .../iio/magnetometer/voltafield,af8133j.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml diff --git a/Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml b/Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml new file mode 100644 index 000000000000..b6ab01a6914a --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/magnetometer/voltafield,af8133j.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Voltafield AF8133J magnetometer sensor + +maintainers: + - Ondřej Jirman + +properties: + compatible: + const: voltafield,af8133j + + reg: + maxItems: 1 + + reset-gpios: + description: + A signal for active low reset input of the sensor. (optional; if not + used, software reset over I2C will be used instead) + + avdd-supply: + description: + A regulator that provides AVDD power (Working power, usually 3.3V) to + the sensor. + + dvdd-supply: + description: + A regulator that provides DVDD power (Digital IO power, 1.8V - AVDD) + to the sensor. + + mount-matrix: + description: An optional 3x3 mounting rotation matrix. + +required: + - compatible + - reg + - avdd-supply + - dvdd-supply + +additionalProperties: false + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + magnetometer@1c { + compatible = "voltafield,af8133j"; + reg = <0x1c>; + avdd-supply = <®_dldo1>; + dvdd-supply = <®_dldo1>; + reset-gpios = <&pio 1 1 GPIO_ACTIVE_LOW>; + }; + };