From patchwork Fri Apr 21 08:52:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13219642 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2ABACC77B75 for ; Fri, 21 Apr 2023 08:53:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230414AbjDUIxH (ORCPT ); Fri, 21 Apr 2023 04:53:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231653AbjDUIw5 (ORCPT ); Fri, 21 Apr 2023 04:52:57 -0400 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DE3F93E4; Fri, 21 Apr 2023 01:52:53 -0700 (PDT) Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 44F2A1BF209; Fri, 21 Apr 2023 08:52:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1682067172; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uf38X61eh5A/xDBb52sQbA/hpuTv3mViEcnHyYk1qZU=; b=LDceoR3O7N+PXaD/tpqHc1XUJNqVA5lYU8ayDZ/6tKom/Yw5CEpowPhTzg6wu9CKXgHVpw NcL5f3cmPVALpHSvgUVVvVYn4Tz9tAZG1POtN9NkPWjUXaqGZ1K5+eLQ4Ej9CBL9+SbJS8 RLs6EFpsvHzgkwZ+ltUXBaS0cdV4oCTUY7oAHz4zTvJ6nlmpf5d/tZG4z4J506ePoaFynY n6ZctmpFm423ZIq+AkIzD6VyorBNy59gjpXe7nTYM0P1yxrD8nfpmrB9cjLTWuhYNW4Ust pnE/HCfH0nWxOj9rc8zQY/NGwdPUn9qHVwiizj9aiR8sZ9aw1CEL7mRXZWO0Vw== From: Herve Codina To: Herve Codina , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Christophe Leroy , Thomas Petazzoni Subject: [PATCH v3 1/3] dt-bindings: iio: potentiometer: Add the Renesas X9250 potentiometers Date: Fri, 21 Apr 2023 10:52:43 +0200 Message-Id: <20230421085245.302169-2-herve.codina@bootlin.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230421085245.302169-1-herve.codina@bootlin.com> References: <20230421085245.302169-1-herve.codina@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The Renesas X9250 is a quad digitally controlled potentiometers. Signed-off-by: Herve Codina Reviewed-by: Krzysztof Kozlowski --- .../iio/potentiometer/renesas,x9250.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml diff --git a/Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml b/Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml new file mode 100644 index 000000000000..dfa36b23eb0d --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/potentiometer/renesas,x9250.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas X9250 quad potentiometers + +maintainers: + - Herve Codina + +description: + The Renesas X9250 integrates four digitally controlled potentiometers. + On each potentiometer, the X9250T has a 100 kOhms total resistance and the + X9250U has a 50 kOhms total resistance. + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml + - $ref: /schemas/iio/iio.yaml + +properties: + compatible: + enum: + - renesas,x9250t + - renesas,x9250u + + reg: + maxItems: 1 + + '#io-channel-cells': + const: 1 + + spi-max-frequency: + maximum: 2000000 + +required: + - compatible + - reg + - '#io-channel-cells' + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + potentiometer@0 { + compatible = "renesas,x9250t"; + reg = <0>; + spi-max-frequency = <2000000>; + #io-channel-cells = <1>; + }; + };