From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f181.google.com (mail-qk1-f181.google.com [209.85.222.181]) (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 01FBE15B135; Thu, 10 Apr 2025 00:59:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744246772; cv=none; b=op5XwhivrwfDPYSy/tEOQuNZqYK+A80U7XWMEIrae2ia0/FPBhHfJr+RtZQFyNb4Xxxzj7ZMpI3mQGRSbfmIxCYxtWmoF6wJfIcxynrVzNskELbipfmoGtjudvL5/tP3JZQe0osPu9zz25s8NW7oWZPgSVisc6Yy9PPbIC+ijCw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744246772; c=relaxed/simple; bh=SWhM1Y9cbsDX3DmoQkxqoydODQzVCEIE8uwUZP2DfSQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Wk4qHUy0rHImJQhJjmqMDP4RmANk7qw4u3tOnqgButOURVv+qCT/ZG58ooDXzpav5EVtBvQHTXKe270AxEmwdVrifTo3jZFR9PFkHvscVqz8E+3s6fVFqwKQKAKYB3zIfOBkc4RpFpm7ITYuVPfEIhsU5YQiJ9rNtFQLvBFpi2E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=EZoMQdrO; arc=none smtp.client-ip=209.85.222.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EZoMQdrO" Received: by mail-qk1-f181.google.com with SMTP id af79cd13be357-7c5a88b34a6so31083785a.3; Wed, 09 Apr 2025 17:59:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1744246770; x=1744851570; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=DWzUEf6VPqNr8t6mjQWXtWJZNm2EpdCNeJxperBpJB8=; b=EZoMQdrOjdPfNpUP99pdIifiyZQqX0eOutUKtuVq0GJPfC7dtEeiJVHYY/2EGocw7D x+rmRRqSrMoiJREBF4TF3zwGnSWHKXa7K9upN4PsC9+iSydN5J+MB3nhZCQuMAmSNJCN WCNUoP75OitPwmjlcG6ITJttgnMOefdUuZDQ9ALWVbqdGU+GaC5E28PqqE1m75ZvQQHG 8cT1GUn15VgdfYlJDy0V6WhV2SgLVk5jY7ncRT8DbRbzJUcNXn7yW6zbouZ/6/FspMrT JKF4d1UX3n/3/vgJAxYlscpNXRpRj87cf5Rukuk2CqXRo3f4gbWHU8LznaubDLEEaKis ro/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744246770; x=1744851570; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DWzUEf6VPqNr8t6mjQWXtWJZNm2EpdCNeJxperBpJB8=; b=fpFAxOLrOVa+Z72MxktbZvXI1RCYSNkfkV/YhjqJ/IN/Amo1o1Ej0OZs/k37/EuLng iSD5P472kMleVMl4sR1eJbedQckJIaKu5IXJ2I8T6ygqMD6QayMq0yZw3u/o/Uls6LR/ fcam9NjOaEWrTYjZt5h44gHcjYeozbniC++OtcsnJUEGRn/HidPpT//HgoUa9vjeVD2J kyOUmV1Zkvug7v5RnCX/q8NORzSc+v9ZNuPZtimS7OCdajJ5YQJ/ipLRvsyfikC4CcLG NjhBYZ1poGX8QJmWk+2mqjNDYBKF9+b9NmxNr+lQhzeMOr/ZLHWuOZOstOGfUU8UL710 06+g== X-Forwarded-Encrypted: i=1; AJvYcCUg6ehZujgNamb1Kwhnd45ccEYGmc99nvSPE/AwZXBDvSyM9xd7XNIj8H+AUx1Ef/JKoFaf6TUzbn9ZB0D0@vger.kernel.org, AJvYcCUtbUjHQlBXO/BTCM9r1W1M/4H/LfC60LvYEaWbvIRej8/hCkzIQpddpOBpEkeInXcip7CWDa6iMn4I@vger.kernel.org X-Gm-Message-State: AOJu0YzhHX9Sb5wZ85T1rB/ESR4yl5lSg8PAUDtlEm5lHXcfTldhkPVS zKJxmnudK6Mk3V/HM9hLenRSoNJPfPfdQBWhmCW8Azn+tEfsj1h3 X-Gm-Gg: ASbGncuFK3obWaDGQbrQOoVRsUHeKt6++r0PvhHFeyrsvyPSrTiETEOvPdnYXRPMRqh sbZYbALmaS3+VW/6HpYweSPKyF4qzYCBHxYYn/tl+58wFHMaUmkXIJ1ppf5fgP/UaRwBO2Rzpmd Z0U9S1j+4VuQL00LgGAWtzyEfbOOjNCE0IuSaed5lrwDUtC2pZ/OX6hPHSNnNJcOMKD1b+80AMg 9WhN2AbIy72oRHlsC9qjaIqf0Saa1DitwuVlZNNwgCzrPBHFi+n9DBWOMArDvsmqOhtlOtf/cu1 cnbWpsvQB4uLMvE5FLpyuBMUL/9uo7pZkYtWkqrCm7UzyQGQaPhaDYFw/WpzxSLtSvPrRTA8Mhv kQMKOV4s7m9u4+o4= X-Google-Smtp-Source: AGHT+IEOUsk3UgJ2ZjGZnVGL3oNGyliUXyIV9Ti6Sx7NFXjHWz4LHaoRQc2J2+koxguq/sC09DyYdQ== X-Received: by 2002:a05:620a:3944:b0:7c0:b523:e1b6 with SMTP id af79cd13be357-7c7a765becbmr144726185a.11.1744246769928; Wed, 09 Apr 2025 17:59:29 -0700 (PDT) Received: from aford-System-Version.. (c-75-72-162-184.hsd1.mn.comcast.net. [75.72.162.184]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c7a895180esm9590685a.46.2025.04.09.17.59.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Apr 2025 17:59:29 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 3/9] arm64: dts: imx8mp-beacon: Fix RTC capacitive load Date: Wed, 9 Apr 2025 19:58:57 -0500 Message-ID: <20250410005912.118732-3-aford173@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250410005912.118732-1-aford173@gmail.com> References: <20250410005912.118732-1-aford173@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Although not noticeable when used every day, the RTC appears to drift when left to sit over time. This is due to the capacitive load default being 7000, when the hardware is really using 12500. Fixing this setting to fix the drift. Fixes: 25a5ccdce767 ("arm64: dts: freescale: Introduce imx8mp-beacon-kit") Signed-off-by: Adam Ford --- arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi index 15f7ab58db36..88561df70d03 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi @@ -257,6 +257,7 @@ eeprom@50 { rtc: rtc@51 { compatible = "nxp,pcf85263"; reg = <0x51>; + quartz-load-femtofarads = <12500>; }; }; -- 2.48.1