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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 C8EC9C433DB for ; Wed, 13 Jan 2021 15:26:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A99523383 for ; Wed, 13 Jan 2021 15:26:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725949AbhAMP0B (ORCPT ); Wed, 13 Jan 2021 10:26:01 -0500 Received: from mail-oi1-f178.google.com ([209.85.167.178]:39405 "EHLO mail-oi1-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725870AbhAMP0B (ORCPT ); Wed, 13 Jan 2021 10:26:01 -0500 Received: by mail-oi1-f178.google.com with SMTP id w124so2479479oia.6; Wed, 13 Jan 2021 07:25:45 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=b3870hR1XSDLI0lW/i97u3qoIBY+naXPh0eoGMPyvqM=; b=OBTnBQcWmaeKsBst+r1qGmiOhLBXIEBIgV50ihTBkfwkkadWkDxCHql6CXRc/PP0Wb SbcvmJgpEG2gHHia4p0G2rc0l0G8UhGK7rH85Evswf6aYvkVGOM8UZI3GWEwYx0qs+uF axwRRjUujwWeOwkrn8x8r4VVR8aEj0c/7/M63FKGLRT081p5ZkXof3KE3Yi7EgYsxNSa c9QBo4/7NJWtvAD/7u++fH6TivxNr9bfxXQyAVBnmFI7cqdLuWo11NUI34KKz3DxjoRC 6VcjrGg+TIlVpFdPJFXFGgTDI6sMlQVfgyvlAofIYOyhTp0cKuejudksn/IFzlqzPi5E gj+w== X-Gm-Message-State: AOAM531zfPYHRP1dm/PtGuZJC9bgd/lSyr8yaDivNyoELulwn7v/6rGC wAfmtoC/7LCNQzgz86IMPw== X-Google-Smtp-Source: ABdhPJzIzAYH4lcuxU0hZPlKcwvH7suPUrE/oE44707VblY8cCBk5RMQr7VCRMjF/tMLFRTjwk03Xw== X-Received: by 2002:aca:1102:: with SMTP id 2mr1562978oir.100.1610551520596; Wed, 13 Jan 2021 07:25:20 -0800 (PST) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id w129sm443340oig.23.2021.01.13.07.25.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Jan 2021 07:25:19 -0800 (PST) Received: (nullmailer pid 2475035 invoked by uid 1000); Wed, 13 Jan 2021 15:25:18 -0000 Date: Wed, 13 Jan 2021 09:25:18 -0600 From: Rob Herring To: Stephan Gerhold Cc: Ondrej Jirman , Marco Felsch , Andy Shevchenko , Dmitry Torokhov , Simon Budig , Rob Herring , devicetree@vger.kernel.org, linux-input@vger.kernel.org Subject: Re: [PATCH 1/2] dt-bindings: input: touchscreen: edt-ft5x06: add iovcc-supply Message-ID: <20210113152518.GA2475006@robh.at.kernel.org> References: <20210108192337.563679-1-stephan@gerhold.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210108192337.563679-1-stephan@gerhold.net> Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Fri, 08 Jan 2021 20:23:36 +0100, Stephan Gerhold wrote: > At the moment, the edt-ft5x06 driver can control a single regulator > ("vcc"). However, some FocalTech touch controllers have an additional > IOVCC pin that should be supplied with the digital I/O voltage. > > The I/O voltage might be provided by another regulator that should also > be kept on. Otherwise, the touchscreen can randomly stop functioning if > the regulator is turned off because no other components still require it. > > Document (optional) support for controlling the regulator for IOVCC > using "iovcc-supply". > > Cc: Ondrej Jirman > Cc: Marco Felsch > Signed-off-by: Stephan Gerhold > --- > .../devicetree/bindings/input/touchscreen/edt-ft5x06.yaml | 1 + > 1 file changed, 1 insertion(+) > Acked-by: Rob Herring