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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AFE4C433FE for ; Fri, 18 Nov 2022 08:11:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241222AbiKRILV (ORCPT ); Fri, 18 Nov 2022 03:11:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231534AbiKRILT (ORCPT ); Fri, 18 Nov 2022 03:11:19 -0500 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1A258C090 for ; Fri, 18 Nov 2022 00:11:17 -0800 (PST) Received: by mail-lf1-x136.google.com with SMTP id r12so7022155lfp.1 for ; Fri, 18 Nov 2022 00:11:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=uk8Hyaw66Lh0EQoKmCbXZrgTZOcFS461ofb/wQEqSx8=; b=i9lzQ84vQdwIOiaSFmVmnsJRHuG13nZQ1WygheFMDsknEb4b9vHQduR/I8K3PR3Llc IH6BMH8o9niHuqLrRVHjH2+hrxCTYimUBQDVBqdWCh1bDTVHkdRUdXmKvTRSxGHmkQp4 H1Ro3OoFGGNPMyMEhG40gKc8YhZVdubcgMFfh9ant2yl6FRx2tmZ0LTii8K6bodDcRAe n5MY/rv0Aj3muiIZldG0BeNcSeJLY6waKcuSt4/kGzg73XThUbUKUQzQTPRWE0rQPc8t apotQ1HSrN0Aw90D9wxvkujVE5ejqRgx+T/dN73dbl71+ixFowAtn2d8LRvfQjwOIL1X /Pmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=uk8Hyaw66Lh0EQoKmCbXZrgTZOcFS461ofb/wQEqSx8=; b=Og9qLxDo/08Fpq3qf86ZSA8YPXyrWLCNH4OpToYR7SZ7ISlCv6SzXlCvxgJOiKl+sH 7iKafJQiFtJelWagYAhFyyKdqbgOr/HN8QN6Ce1RYGFy+M6sKu6eMnbRm7JaWDL2RDL7 VSzJbgSaX9Qzr/u61XvKmrJIld5kadMGl9PK8gpmQ6Jwl4WRdHmxPfwGmN5Ln2dEbsfj GZ1QO+ETgnCKsaVRk5gEMyXLDGwsLtbGTrRU7vf6wCdub+R2hu17jJylk1qxneBz5h/e RfwaftPpa6NfIGFid0y0xMB1zt/pjlqmEpt6J9sxuiGsxBa3EGV+qORVfHG15Mh1D2Bc qs+A== X-Gm-Message-State: ANoB5pkZHvUNGOL6sSTtACGnEhYPirPcOrlThpj/EBBHAJDwCis8+K+Z d3qOHoTrKx327NA4tTGbv5ArRw== X-Google-Smtp-Source: AA0mqf57339cwoKXz4hVlcWCZW0RLOxxlTPkrDIxtkcvmTjXjBK9/UBKacKshoAppkr1WSCamHUK+A== X-Received: by 2002:a05:6512:689:b0:494:78cc:f153 with SMTP id t9-20020a056512068900b0049478ccf153mr1931155lfe.644.1668759076198; Fri, 18 Nov 2022 00:11:16 -0800 (PST) Received: from [192.168.0.20] (088156142067.dynamic-2-waw-k-3-2-0.vectranet.pl. [88.156.142.67]) by smtp.gmail.com with ESMTPSA id f24-20020a193818000000b00492ceda336fsm555057lfa.278.2022.11.18.00.11.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Nov 2022 00:11:15 -0800 (PST) Message-ID: <66005714-ce1e-1968-ae5a-881ddac756d8@linaro.org> Date: Fri, 18 Nov 2022 09:11:14 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH 1/2] dt-bindings: input: cyttsp5: document vddio-supply Content-Language: en-US To: "Lin, Meng-Bo" , linux-input@vger.kernel.org Cc: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Linus Walleij , Alistair Francis , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20221117190507.87535-1-linmengbo0689@protonmail.com> <20221117190507.87535-2-linmengbo0689@protonmail.com> From: Krzysztof Kozlowski In-Reply-To: <20221117190507.87535-2-linmengbo0689@protonmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17/11/2022 20:05, Lin, Meng-Bo wrote: > The Samsung touchscreen controllers are often used with external pull-up Samsung or Cypress? > 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 cyttsp5 > driver so that the regulator gets enabled when needed. > Acked-by: Krzysztof Kozlowski Best regards, Krzysztof