From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53ED7C4361B for ; Sat, 5 Dec 2020 23:10:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D74923127 for ; Sat, 5 Dec 2020 23:10:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726056AbgLEXKn (ORCPT ); Sat, 5 Dec 2020 18:10:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726011AbgLEXKn (ORCPT ); Sat, 5 Dec 2020 18:10:43 -0500 Received: from mail-lf1-x144.google.com (mail-lf1-x144.google.com [IPv6:2a00:1450:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D737EC0613D1 for ; Sat, 5 Dec 2020 15:10:02 -0800 (PST) Received: by mail-lf1-x144.google.com with SMTP id v14so12788920lfo.3 for ; Sat, 05 Dec 2020 15:10:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=L4dh8REGOcY3mSsdjWtW61gFhpeRq7e/rh4UNS/HtWs=; b=kWFaTEtG7vzSIUnVscs0yrMiGM74TzDtNz5KZB8Zp8eMiW38SCyLlPXQC0Yz/Mn8DJ YwLmcUu2VRDStp5VnkBJQFfO3+hgJkzJc3LBxV49djXdfPPvXAcbtUfl8kYNd4UK1Zs6 P4x2bIuLbYrAEQ/1rSeAPVa5qHwVDqIiuo1FBET6sIU53NEisWFOlSdzDIWESRlKjkg0 eFcj3RiDttwq/oqovE0VH6EJ7zVDEgjZDAhx63oD6GSe8KBDYrYndVWy3eUQ+omCXqSl 9kd9/XeyxCYbw2TQ3yi2PiR5WYbie5eE43LqaeduKWitriLH0FSeWF0rxEwM+l3V+08K P6Xg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=L4dh8REGOcY3mSsdjWtW61gFhpeRq7e/rh4UNS/HtWs=; b=hxDkiYbHrjhGJSLxvl1atR4vfkCRu7LphxwR9kOZi520bBb5EoEXK0tEsjh7kmP5T9 1vRapEYjlgNl+H/8yxjvZ5tRNrORwSQJEYwq9ns7jcGKJhGJ109aVpyHBVCqqqAlHVY9 bzzKWUde6m3LHfxqP5jHuFHCok4jtIZemEcCEOOcEOkR3yGwe/1bDJlo4o1uKM2vtkR2 j/PZe1LimiQsREsyH9gykCoWI8Tg7DWVDq2XzoBZADrVoorzHOFaFEgKYubZgWqdpy4n LkPcm05um/ap4C8k+ydDC2wFU/URu1OlRrhsL1xUNSAH/mjUe1JosfPWnqypCRcmcTPM OA+Q== X-Gm-Message-State: AOAM531mS3SRquNUgS3lbPbzgSmOJ42oZVRXPAfazMqQ+xzCzqCbz4PB 8veKgnCSn0/5CJ+42d4Ygrvn0p9MOYid31jJ1/h1OA== X-Google-Smtp-Source: ABdhPJy233SEVPqebAfOtTTGE/Erqfl6WucP3n7epmMvF3mdGMv8xEZT98JCM2Pf4IlavisqYdqQ5QYbqRr47p+yhB8= X-Received: by 2002:a05:6512:3e7:: with SMTP id n7mr5417111lfq.585.1607209801250; Sat, 05 Dec 2020 15:10:01 -0800 (PST) MIME-Version: 1.0 References: <20201203131242.44397-1-stephan@gerhold.net> <20201203131242.44397-2-stephan@gerhold.net> In-Reply-To: <20201203131242.44397-2-stephan@gerhold.net> From: Linus Walleij Date: Sun, 6 Dec 2020 00:09:50 +0100 Message-ID: Subject: Re: [PATCH 2/3] dt-bindings: Input: tm2-touchkey - document vddio-supply To: Stephan Gerhold Cc: Dmitry Torokhov , Linux Input , Rob Herring , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Thu, Dec 3, 2020 at 2:13 PM Stephan Gerhold wrote: > The Samsung touchkey controllers are often used with external pull-up > for the interrupt line and the I2C lines, so we might need to enable > a regulator to bring the lines into usable state. Otherwise, this might > cause spurious interrupts and reading from I2C will fail. > > Document support for a "vddio-supply" that is enabled by the tm2-touchkey > driver so that the regulator gets enabled when needed. > > Cc: Linus Walleij > Signed-off-by: Stephan Gerhold Reviewed-by: Linus Walleij > + vddio-supply: > + description: | > + Optional regulator that provides digital I/O voltage, > + e.g. for pulling up the interrupt line or the I2C pins. I think the funny pipe | us only needed when you want something to be fixed-width like ASCII art or ASCII tables. But no big deal I suppose. Yours, Linus Walleij