From patchwork Thu Apr 20 16:10:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13218959 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 95704C77B72 for ; Thu, 20 Apr 2023 16:11:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232758AbjDTQLD (ORCPT ); Thu, 20 Apr 2023 12:11:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232636AbjDTQLC (ORCPT ); Thu, 20 Apr 2023 12:11:02 -0400 Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B480F1FE3; Thu, 20 Apr 2023 09:11:00 -0700 (PDT) Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 57C261C000F; Thu, 20 Apr 2023 16:10:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1682007059; 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=ZpadVS75bKUorNR3CkEw5c26Pn7J32Ucphbz5XTTYA0=; b=XdvY60R9dLDfDTmbQ1zSr5MUjaTn3tcatVKxX7vc2a6mjgzZF0v5UkzJaYZCggYimeqaQR x/J5hXOWht0PgAM1ej3X9/GFk+p6Sf7UBTfVuW+aWu9iCdTvgB35JZRpgGVZHizzagiEzR wXYd5GVSTzumFs+zM1hm+IT1JZiUyHxb7KB7BPhCEh6cJlOFaINb6Ubrt47Fb+DQEiCG5E zMoVCP3Fp/4XTezsiXYp2BSuUFlGTLxNyVBbA9eaV3ilDI/Gzgb5B2/fNR0JH28RiMYjsG Xd1NC5TL+QblvP5ylmiIUZpKLjD2OlWjGKfh5+bQ8DP6uHz50kjNFtSeeopHIg== 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 v2 1/3] dt-bindings: iio: potentiometer: Add the Renesas X9250 potentiometers Date: Thu, 20 Apr 2023 18:10:50 +0200 Message-Id: <20230420161052.270366-2-herve.codina@bootlin.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230420161052.270366-1-herve.codina@bootlin.com> References: <20230420161052.270366-1-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 --- .../iio/potentiometer/renesas,x9250.yaml | 56 +++++++++++++++++++ 1 file changed, 56 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..e0433cd522aa --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml @@ -0,0 +1,56 @@ +# 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: + description: + SPI device address. + 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>; + x9250@0 { + compatible = "renesas,x9250t"; + reg = <0>; + spi-max-frequency = <2000000>; + #io-channel-cells = <1>; + }; + };