From patchwork Mon Apr 6 15:58:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamel BOUHARA X-Patchwork-Id: 11475745 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7B34D15AB for ; Mon, 6 Apr 2020 15:58:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 648EF248ED for ; Mon, 6 Apr 2020 15:58:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728817AbgDFP6a (ORCPT ); Mon, 6 Apr 2020 11:58:30 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:36043 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729174AbgDFP63 (ORCPT ); Mon, 6 Apr 2020 11:58:29 -0400 Received: from localhost (unknown [78.193.40.249]) (Authenticated sender: kamel.bouhara@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id D216B20000E; Mon, 6 Apr 2020 15:58:26 +0000 (UTC) From: Kamel Bouhara To: Dmitry Torokhov , William Breathitt Gray , Rob Herring , Mark Rutland Cc: Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, Kamel Bouhara Subject: [PATCH 2/3] Input: rotary-encoder-counter: add DT bindings Date: Mon, 6 Apr 2020 17:58:05 +0200 Message-Id: <20200406155806.1295169-3-kamel.bouhara@bootlin.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200406155806.1295169-1-kamel.bouhara@bootlin.com> References: <20200406155806.1295169-1-kamel.bouhara@bootlin.com> MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add dt binding for the counter variant of the rotary encoder driver. Signed-off-by: Kamel Bouhara --- .../input/rotary-encoder-counter.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/rotary-encoder-counter.yaml diff --git a/Documentation/devicetree/bindings/input/rotary-encoder-counter.yaml b/Documentation/devicetree/bindings/input/rotary-encoder-counter.yaml new file mode 100644 index 000000000000..a59f7c1faf0c --- /dev/null +++ b/Documentation/devicetree/bindings/input/rotary-encoder-counter.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/rotary-encoder-counter.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rotary Encoder Counter + +maintainers: + - Kamel Bouhara + +description: + Registers a Rotary encoder connected through a counter device. + +properties: + compatible: + const: rotary-encoder-counter + + counter: + description: Phandle for the counter device providing rotary position. + + linux-axis: + description: The input subsystem axis to map to this rotary encoder. + type: boolean + + qdec-mode: + description: | + Quadrature decoder function to set in the counter device. + 3: x1-PHA + 4: x1-PHB + 5: x2-PHA + 6: x2-PHB + 7: x4-PHA and PHB + + steps: + description: Number of steps in a full turnaround of the encoder. + Only relevant for absolute axis. Defaults to 24 which is a typical + value for such devices. + + relative-axis: + description: Register a relative axis rather than an absolute one. + type: boolean + + rollover: + description: Automatic rollover when the rotary value becomes greater + than the specified steps or smaller than 0. For absolute axis only. + type: boolean + + poll-interval: + description: Poll interval at which the position is read from the counter + device (default 500ms). + +required: + - compatible + - counter + - qdec-mode + +examples: + - | + rotary@0 { + compatible = "rotary-encoder-counter"; + + counter =<&qdec>; + qdec-mode = <7>; + relative-axis; + }; +...