From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3B301805E for ; Mon, 29 Apr 2024 09:54:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714384453; cv=none; b=GJJZqSyg7SCC+W3KTsXBWKeGesDCHXcT99h3QJ67ymeWDmWvLizQOFSpV6QezYmBwnlTYFTLPjQDZId+t5lvSgrdSLJJusU+pR39kSEK6ndmwzAxvcXpky6ql3mORCL45CRwi5CiFsqBiut37UpbrJTDgKjwAMFIGm0Ngt11RPE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714384453; c=relaxed/simple; bh=6Vcg0heBQTZuMAZV/90OJ42YzsBiIRDDFrShHiCidxE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=IH1Ca7zroIcUQf8gIjfDpAn08CAX0UjRuYZv04gOqiwly92+wvTp2qNfGO38gVwuR40a6jQovc0OhxgIZmCkp1nd6PNwbyjWbbCWDpKjJm0sF+BXF6cZcFNy7qK0/sU2vrVgrscAI2cT04xEvVxtxOJ6NGqS/fUrwf63z08HReg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=j1MObEsk; arc=none smtp.client-ip=209.85.210.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="j1MObEsk" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-6eff9dc1821so3958948b3a.3 for ; Mon, 29 Apr 2024 02:54:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1714384450; x=1714989250; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=K9Tuxkuv5GP03on1LEPNW9dEztUbP1PxdWw89MgNsZg=; b=j1MObEskRJEbSqrmPhPIRPqjnQ66ocyQLzwzFHjeqUUGmuvW83MTa6aaPnFBQhRXtP IKUiPYdQp+MZCxfg83iwRuJdHGrsz8/WI8D/24ejAVNXZ2HbltSSri5szQdbVzhSoSGj 5IjLu5n6yk5vIW4qEPDY3HOvZluTbdjKE7/hs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714384450; x=1714989250; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=K9Tuxkuv5GP03on1LEPNW9dEztUbP1PxdWw89MgNsZg=; b=YR2QaXD6Hz7yREeH9mIsUo4K3eUp75tE4vgy4ihrLkRjqUrb1zAZAD2yGFHvi5QFTz M1VJGfs0SC1uTXo+UCyFOUAtgbzNqHDbNEz9q0jWn5fgj/Hx2aXmo7T0jCti2Gb25OWH bqCucDpuVUlbORNdPB0f/AHvGJy4BQnWAp2vTlActHfAuU+kQQec8jZaBBID4zpTlubM 7nyDeLON/QD5msRSWnislskZHrwjxQB0nyAveP7p7f2OTLV7iq9Wg0VgmurC5/7/fWkK n+MFrf8FDf9VLsAgTaAPsaMZW4WM6vUP1WKZ7v7jziYZc4EjRFUXxZZYdVp6ZidkpDci vYPg== X-Forwarded-Encrypted: i=1; AJvYcCUE1Gna9txsmvbeWeBztcsmQGuu8/ZGR2LZfbounkUp5TmIBXbG7yd4o3ywThbO5+8j/C5aGHJ3sDyNA/4/s8rJfUX/jXwuANoW54nO X-Gm-Message-State: AOJu0YwCPg3m0fupvNuXXQuIp9lvGQmo66+DEZPqZzpuJvHJxEn0mqd1 MFZcfgOhntIzTOpJHuvibUlBTPU2rfwGFKhH2EEol4xGTGr1wi7L78PW+38S6Q== X-Google-Smtp-Source: AGHT+IE8IGwWKDE8w65mqrsUHZCWFhQYSBQsWdqW2ncfFU1qhQ9LU47X0Hj6sRPRPpb9Jccy3pViug== X-Received: by 2002:a05:6a20:d80f:b0:1af:3d3f:83f1 with SMTP id iv15-20020a056a20d80f00b001af3d3f83f1mr5737629pzb.44.1714384450196; Mon, 29 Apr 2024 02:54:10 -0700 (PDT) Received: from treapking.tpe.corp.google.com ([2401:fa00:1:10:38e5:4a2b:ec4a:2ec9]) by smtp.gmail.com with ESMTPSA id c7-20020a056a000ac700b006eb0027f2b8sm18932083pfl.9.2024.04.29.02.54.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Apr 2024 02:54:10 -0700 (PDT) From: Pin-yen Lin To: Matthias Brugger , AngeloGioacchino Del Regno Cc: devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Mediatek SoC support), linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek SoC support), =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , linux-kernel@vger.kernel.org (open list:ARM/Mediatek SoC support), Hsin-Te Yuan , Pin-yen Lin Subject: [PATCH] arm64: dts: mediatek: mt8192-asurada: Add off-on-delay-us for pp3300_mipibrdg Date: Mon, 29 Apr 2024 17:53:31 +0800 Message-ID: <20240429095333.3585438-1-treapking@chromium.org> X-Mailer: git-send-email 2.44.0.769.g3c40516874-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Set off-on-delay-us to 500000 us for pp3300_mipibrdg to make sure it complies with the panel sequence. Explicit configuration on the regulator node is required because mt8192-asurada uses the same power supply for the panel and the anx7625 DP bridge. So powering on/off the DP bridge could break the power sequence requirement for the panel. Fixes: f9f00b1f6b9b ("arm64: dts: mediatek: asurada: Add display regulators") Signed-off-by: Pin-yen Lin --- arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi index 7a704246678f..08d71ddf3668 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -147,6 +147,7 @@ pp3300_mipibrdg: regulator-3v3-mipibrdg { regulator-boot-on; gpio = <&pio 127 GPIO_ACTIVE_HIGH>; vin-supply = <&pp3300_g>; + off-on-delay-us = <500000>; }; /* separately switched 3.3V power rail */ -- 2.44.0.769.g3c40516874-goog 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8AD83C04FFE for ; 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Mon, 29 Apr 2024 02:54:10 -0700 (PDT) Received: from treapking.tpe.corp.google.com ([2401:fa00:1:10:38e5:4a2b:ec4a:2ec9]) by smtp.gmail.com with ESMTPSA id c7-20020a056a000ac700b006eb0027f2b8sm18932083pfl.9.2024.04.29.02.54.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Apr 2024 02:54:10 -0700 (PDT) From: Pin-yen Lin To: Matthias Brugger , AngeloGioacchino Del Regno Cc: devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Mediatek SoC support), linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek SoC support), =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , linux-kernel@vger.kernel.org (open list:ARM/Mediatek SoC support), Hsin-Te Yuan , Pin-yen Lin Subject: [PATCH] arm64: dts: mediatek: mt8192-asurada: Add off-on-delay-us for pp3300_mipibrdg Date: Mon, 29 Apr 2024 17:53:31 +0800 Message-ID: <20240429095333.3585438-1-treapking@chromium.org> X-Mailer: git-send-email 2.44.0.769.g3c40516874-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240429_025412_639975_876D9AC4 X-CRM114-Status: GOOD ( 10.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Set off-on-delay-us to 500000 us for pp3300_mipibrdg to make sure it complies with the panel sequence. Explicit configuration on the regulator node is required because mt8192-asurada uses the same power supply for the panel and the anx7625 DP bridge. So powering on/off the DP bridge could break the power sequence requirement for the panel. Fixes: f9f00b1f6b9b ("arm64: dts: mediatek: asurada: Add display regulators") Signed-off-by: Pin-yen Lin --- arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi index 7a704246678f..08d71ddf3668 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -147,6 +147,7 @@ pp3300_mipibrdg: regulator-3v3-mipibrdg { regulator-boot-on; gpio = <&pio 127 GPIO_ACTIVE_HIGH>; vin-supply = <&pp3300_g>; + off-on-delay-us = <500000>; }; /* separately switched 3.3V power rail */ -- 2.44.0.769.g3c40516874-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel