From patchwork Mon Oct 4 15:36:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincent Whitchurch X-Patchwork-Id: 1536179 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=axis.com header.i=@axis.com header.a=rsa-sha256 header.s=axis-central1 header.b=oeakFufN; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4HNPvy577Kz9t54 for ; Tue, 5 Oct 2021 02:36:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235627AbhJDPic (ORCPT ); Mon, 4 Oct 2021 11:38:32 -0400 Received: from smtp1.axis.com ([195.60.68.17]:45236 "EHLO smtp1.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233700AbhJDPic (ORCPT ); Mon, 4 Oct 2021 11:38:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; q=dns/txt; s=axis-central1; t=1633361803; x=1664897803; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=L2Gat4M8MiKu4O6dro5tmxzcNp9424jTmLuiAVMgiM0=; b=oeakFufNcGTSGPOcZlau+NOS0XBtyt68ayqdjSq9HwQ2hGnaufmFB797 hrR4d210C6azuj5SXiijw6TKNoiambdXokSjqO6thnAX0QoK73MLenr5t Xo6A8A5HdopQ5iA3dXGV5sfIifbT8Qw8EGBfNIOGEPB6foWwLDKfGoypG X7LlL6GxpNLe25qO1kOLrdFxFOWKSIp2eIiDJOsIvy+2UDN2ojnkJj8Yx gMLmDt9YA6OZYcot6TcF827Zfzqpg2+jF/qNAxF0EgLtUPAFOdukjBaaY 9qJo1JyuQTHMUMBWO7N7NAYFtrGoDebWLnDOGK4v9UrcKVUrbhuWA1s3D w==; From: Vincent Whitchurch To: , CC: , , , Vincent Whitchurch Subject: [PATCH 0/2] Add settle time support to mux-gpio Date: Mon, 4 Oct 2021 17:36:38 +0200 Message-ID: <20211004153640.20650-1-vincent.whitchurch@axis.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On one of our boards we use gpio-mux with iio-mux to read voltages using an ADC from a few different channels, and on this board the input voltage needs some time to stabilize after a switch of the mux. This series add devicetree and driver support for this kind of hardware which requries a settle time after muxing. Vincent Whitchurch (2): dt-bindings: mux: gpio-mux: Add property for settle time mux: gpio: Support settle-time-us property Documentation/devicetree/bindings/mux/gpio-mux.yaml | 5 +++++ drivers/mux/gpio.c | 9 +++++++++ 2 files changed, 14 insertions(+)