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 42014C77B7A for ; Mon, 29 May 2023 16:16:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229755AbjE2QQx (ORCPT ); Mon, 29 May 2023 12:16:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229734AbjE2QQs (ORCPT ); Mon, 29 May 2023 12:16:48 -0400 Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CB9ECD; Mon, 29 May 2023 09:16:44 -0700 (PDT) Received: by mail-wm1-x329.google.com with SMTP id 5b1f17b1804b1-3f6e13940daso36397715e9.0; Mon, 29 May 2023 09:16:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685377002; x=1687969002; 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=B6oEUPyDe6k6imC6sIUryh04ys93Tehf8o/RTmSion4=; b=ICGdINm3mLMU2/7rwAV/0Uxi8M0SM8JdOb5gppFed94uXWCvdHUrPYCrJ8BWcjHlHe zctcq0JIwa1/vkGO+PDpbS9q4f+v1BK7wP70DJpqDTv4buctUfZPm2jIW3lj4Jplzk9C +oDvhJRoPROvApnrOheaSI7bfAykBSIfG1jg9k/qo5HYWJIkfh0tYEgASKds60omE4rc GvylKXZhLyK/p/9sA+NKIfVvxMn98vDZEkQ4ptNIArNgP3fvudR20uWicFqt6A22EKOg zZvSoT83TWa7GFqfQcbKZeUsP94FZpGH8J01x1ilR94gyGbGLPke/awnY1Rlm+XjMelM TWGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685377002; x=1687969002; 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=B6oEUPyDe6k6imC6sIUryh04ys93Tehf8o/RTmSion4=; b=kL5CpLqiT4BdyNdMmOn/NLI0LqV8P+iZZv0+lk4wyB9foGS6UahU63QOop/59b5KSo zWc+w+9pqmwcKdGjG/hf8069kCWdHxcpMRcdnH301G7nCcIpwhiifBssbOKAHicXWIee E8XI+2HVguQEnzOiQOaanY6OjWuMKyeEKelnjNH/SymfFQZd7nuOuRDUv7VrrGA5bi0/ ExzTNEuc0pDBL9Q/2Qxm9wnWRi524qgNPbzPouSEjVN/iwACHhBMJEpMEjoIGnQcSjH8 SV/eIEGAWvFwOU8tmyryQ3M/Lp+MQJ6ES9bCnf+E4/caWJeZiCHHsVFOm1EkD4meCjaj +ISQ== X-Gm-Message-State: AC+VfDw+JutjIX33ND0osAyLmarp29W1fDQhwcMPVVmGhqrfNqrXESHA 5Le2qkqG+e5VERkGmtFEFpU= X-Google-Smtp-Source: ACHHUZ75AMsCYyTd9+rBATqxtSpmcQNLV+356SY+CSM0VG6B9tAy5IrbZs0dtJ5u5DjvQseiEntplw== X-Received: by 2002:a1c:4b10:0:b0:3f6:e79:3a8e with SMTP id y16-20020a1c4b10000000b003f60e793a8emr10807728wma.12.1685377002522; Mon, 29 May 2023 09:16:42 -0700 (PDT) Received: from [192.168.2.177] ([207.188.167.132]) by smtp.gmail.com with ESMTPSA id m7-20020a056000180700b003062d815fa6sm394876wrh.85.2023.05.29.09.16.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 May 2023 09:16:41 -0700 (PDT) Message-ID: Date: Mon, 29 May 2023 18:16:40 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH] arm64: dts: mt8173: Power on panel regulator on boot Content-Language: en-US, ca-ES, es-ES To: Pin-yen Lin , Rob Herring , Krzysztof Kozlowski , AngeloGioacchino Del Regno Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Doug Anderson References: <20230417123956.926266-1-treapking@chromium.org> From: Matthias Brugger In-Reply-To: <20230417123956.926266-1-treapking@chromium.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 17/04/2023 14:39, Pin-yen Lin wrote: > Add "regulator-boot-on" to "panel_fixed_3v3" to save time on powering > the regulator during boot. Also add "off-on-delay-us" to the node to > make sure the regulator never violates the panel timing requirements. > > Signed-off-by: Pin-yen Lin > Applied, thanks! > --- > > arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi > index d77f6af19065..03d1ab2ca820 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi > @@ -96,6 +96,8 @@ panel_fixed_3v3: regulator1 { > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > enable-active-high; > + regulator-boot-on; > + off-on-delay-us = <500000>; > gpio = <&pio 41 GPIO_ACTIVE_HIGH>; > pinctrl-names = "default"; > pinctrl-0 = <&panel_fixed_pins>;