From patchwork Sun Feb 11 20:51:58 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: 13552616 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 9BA8C5DF10; Sun, 11 Feb 2024 20:52:21 +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=1707684744; cv=none; b=EJQV9kjX1km0yQwRZUmfujIhJAU+s+KVcVOvc9KIFmav9n7PkjmAi4oXuUKWppHsWs29dOqfWLJ4NiLK7So488St0JzDXovuOQXV7NHSqNMoDwOWHtKtmqzkx7a8Lmpq0sCVe39Z4RgEp/p3L/fXR9m3thI9vCYXWMqUglTN78k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707684744; c=relaxed/simple; bh=RY4ulIBr47Q0nyCLXIK7t8729sReukS+pt9cj0YsfDA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=eVMR6SkoPK4x4Evch324+mcuj+aQFqVJuu9V1K6+N6xBznMjfsNEDnponlLi7gvLeK2x064EsNTLOonDHUxHTdS8mct4Jlydg5VXACeDlE61DjrrlrLncRyZW+ZJM3grb7R4Zt3XLIDcgGyRJft0rrcRTwCq7nLqX7JkkmEsaBs= 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=b199vNbE; 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="b199vNbE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xff.cz; s=mail; t=1707684739; bh=RY4ulIBr47Q0nyCLXIK7t8729sReukS+pt9cj0YsfDA=; h=From:To:Cc:Subject:Date:References:From; b=b199vNbE2m8c/4zJ/MMKmOL1ppqreK+7IhuqOTR0Vksbiyb+19t1OiJPkXbxPZuE7 Va+chEoMp/DkV5Sr/yGgIVYaVD9LShDAfuWhnoVmNj77mKPAefF0BKMCzbhfdl0Q6l CHva/mETNjdgcTkrfxNROhm01U1VITSFW7/zP5MY= From: =?utf-8?q?Ond=C5=99ej_Jirman?= To: Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrey Skvortsov Cc: Icenowy Zheng , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Ond?= =?utf-8?q?=C5=99ej_Jirman?= Subject: [PATCH 2/4] dt-bindings: iio: magnetometer: Add DT binding for Voltafield AF8133J Date: Sun, 11 Feb 2024 21:51:58 +0100 Message-ID: <20240211205211.2890931-3-megi@xff.cz> In-Reply-To: <20240211205211.2890931-1-megi@xff.cz> References: <20240211205211.2890931-1-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 --- .../iio/magnetometer/voltafield,af8133j.yaml | 58 +++++++++++++++++++ 1 file changed, 58 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..ab56c0f798ad --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml @@ -0,0 +1,58 @@ +# 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: + - voltafield,af8133j + + reg: + maxItems: 1 + + reset-gpios: + description: | + an pin needed for AF8133J to set the reset state. This should be usually + active low. + + avdd-supply: + description: | + an optional regulator that needs to be on to provide AVDD power (Working + power, usually 3.3V) to the sensor. + + dvdd-supply: + description: | + an optional regulator that needs to be on to provide DVDD power (Digital + IO power, 1.8V~AVDD) to the sensor. + + mount-matrix: + description: an optional 3x3 mounting rotation matrix. + +required: + - compatible + - reg + +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>; + }; + };