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 47632C83005 for ; Fri, 9 Jun 2023 15:53:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241968AbjFIPxm (ORCPT ); Fri, 9 Jun 2023 11:53:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241962AbjFIPxk (ORCPT ); Fri, 9 Jun 2023 11:53:40 -0400 Received: from mail-lj1-x22a.google.com (mail-lj1-x22a.google.com [IPv6:2a00:1450:4864:20::22a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1530A359C for ; Fri, 9 Jun 2023 08:53:38 -0700 (PDT) Received: by mail-lj1-x22a.google.com with SMTP id 38308e7fff4ca-2b1b66a8fd5so21604141fa.0 for ; Fri, 09 Jun 2023 08:53:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686326016; x=1688918016; 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=DMFU7gvOxv0Laf+NqNgw9EhezlbxvSrT/pgc5FmWwXw=; b=PjJpV43ObmBJdXY9mVzLFJgcKDTFzy7Xvu8J9jCCUrOFGRg/NVVze/aga7w+qOupti /NreS0vuK4r7YdoENnIOCpP8SqsU2g1qqPxoECWyQp/AJNP/WtZrdVWpnyvnShQ5MJSl JjGIEJzMeP+k/jObZmfhjq8vFp8NiLDwKvEidoaQGOLhwFvFwRcX+z1cPu6xsDiKcOyn J+6mJDcOs9syb0JxKuotiavaI0ISaA99Jmabk6wfyBlE2CewK6cKFntghCNd6KPZi4zs yhJn4n7NB4WuV7u2j9HjsyEVAPpEqSL0Je9B72ZSWq9BCFaVvrEClA+TQPok5iVtjNP7 tECQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686326016; x=1688918016; 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=DMFU7gvOxv0Laf+NqNgw9EhezlbxvSrT/pgc5FmWwXw=; b=Yl+FZIfCrN7RSQzmtMZvda4k+8hWoIhimMGfVRlQpzUxW2CA6xErLBKb6ALVDCQMGY lJEQYkRP1Mf8wWZN4zIgKElWxIhoC3haMUz3naMT+ldcw2EXAuWd8H8L/KNnzMkY6I0f p/MrpLE/8Q/TQCE7RhN/+CmaA/YtX1B5AWctuGR4kwwFsaWzoZ/FlRZCi4nSPBbpshk3 xT6IeRAuM3MrBpERPmC31Edg8b4sdPKu1slLJm7iuaMgJWEQ5mOKZ6v26IQMA04nNs8I Y4PUMedNSvpZ/OOd5Tb5uAlf0nlw9mQeVh/eZvur/tkTYncDbAEYhSm95ndssL+J8coB tCsw== X-Gm-Message-State: AC+VfDyQ91HnTiQaJWbH7IAYh8/D9Na8gmwEn/Ner9E+ceqvEzexYNev nP+h/1CJxYa9Bmlow+V/OxI38Q== X-Google-Smtp-Source: ACHHUZ4e7h2+3Yc1DxCts8RfOHM+dn3h/OabUHaXGBivkFeLqK63t4mxMQYCl4yBs68bnTzwhE9k9g== X-Received: by 2002:a2e:8256:0:b0:2b1:c0d3:72cb with SMTP id j22-20020a2e8256000000b002b1c0d372cbmr1304978ljh.23.1686326016262; Fri, 09 Jun 2023 08:53:36 -0700 (PDT) Received: from [192.168.1.20] ([178.197.219.26]) by smtp.gmail.com with ESMTPSA id r2-20020a170906548200b0096f5b48fe43sm1434344ejo.47.2023.06.09.08.53.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Jun 2023 08:53:35 -0700 (PDT) Message-ID: <218bad0d-483a-5338-c140-2d0fcf280f20@linaro.org> Date: Fri, 9 Jun 2023 17:53:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH v2 01/10] dt-bindings: HID: i2c-hid: Add "panel" property to i2c-hid backed touchscreens Content-Language: en-US To: Douglas Anderson , Jiri Kosina , Benjamin Tissoires , Bjorn Andersson , Konrad Dybcio , Rob Herring , Frank Rowand , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann Cc: dri-devel@lists.freedesktop.org, Dmitry Torokhov , linux-input@vger.kernel.org, Daniel Vetter , linux-kernel@vger.kernel.org, hsinyi@google.com, cros-qcom-dts-watchers@chromium.org, devicetree@vger.kernel.org, yangcong5@huaqin.corp-partner.google.com, linux-arm-msm@vger.kernel.org, Chris Morgan References: <20230607215224.2067679-1-dianders@chromium.org> <20230607144931.v2.1.Id68e30343bb1e11470582a9078b086176cfec46b@changeid> From: Krzysztof Kozlowski In-Reply-To: <20230607144931.v2.1.Id68e30343bb1e11470582a9078b086176cfec46b@changeid> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/06/2023 23:49, Douglas Anderson wrote: > As talked about in the patch ("drm/panel: Add a way for other devices > to follow panel state"), touchscreens that are connected to panels are > generally expected to be power sequenced together with the panel > they're attached to. Today, nothing provides information allowing you > to find out that a touchscreen is connected to a panel. Let's add a > phandle for this. > > The proerty is added to the generic touchscreen bindings and then > enabled in the bindings for the i2c-hid backed devices. This can and > should be added for other touchscreens in the future, but for now > let's start small. > > Signed-off-by: Douglas Anderson > --- > > Changes in v2: > - Move the description to the generic touchscreen.yaml. > - Update the desc to make it clearer it's only for integrated devices. Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof