From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BE194D0CDF for ; Mon, 21 Sep 2026 18:52:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790016725; cv=none; b=rUDteNx7UEN4xn1rD8Qe+Qb7SZUcmkQcuqtFW2AJv/MDGDIWVA57xRyYxjWWNIztRQYpkZ/hBOa2KHUMatS5fRMWGnBn/vKYSe0v3fSO5IArLO7Wr2gAeRQXaM6P4EtKb5Tn7l9NrM6z9d44+1oxctjcRwt10R21SdUSAwskB4U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790016725; c=relaxed/simple; bh=UJUqXeG/P9u5Yvv8sV22VIHKqdnIxK57penxmpwywjc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GobHpUUUlhU38c9t3LPrmUSPXp+JUWLoCJs/kBuGz2AAPKwdXMyJuwLSQOW9mVL2qZ6KoekoJZJjubfMNv3tMqqIp0H/0fID1nDMxCevTgC1Mr0ZuKXS9iBIgPydvYg41dQ4UphIYAxUK/3TO48sB9mivGq/9w0P+QjQdBAPVsc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=EQ+P/mLV; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="EQ+P/mLV" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 918164E40769 for ; Mon, 21 Sep 2026 18:52:01 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 4AFB25FFB2; Mon, 21 Sep 2026 18:52:01 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 025ED10328D5D; Mon, 21 Sep 2026 20:51:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1790016716; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=ynllzazNvLa6sdXptheLKncoSIIa92ngh94S7ablR5Q=; b=EQ+P/mLVE8/BKXKD/OxABygryvUhWzVKUliyIZQZ9zBKQIsd5cEGBgNogarz+dTxnt0cvQ n5z151+B1RU62F5ely8avEytG+VufUox8Z81DuxyAmBGTyinkg2dcidf+hAdL9MOhMg0UH l2YFQN51bAf3uxcjxHDvpzm9iqTco5GTSb8dDVU1CPc5LIeiI6AsKkRuJvSL18PHSXVvF8 HWA6LC0Z49eD3Nz9qESVkQyas9qtld+oxB7cyIf4+Hj50jkF9VTIw6NjUhRM8gMn0hp9Ii rDQ+MH+nEwDK1vcgyg+ZV4ZMW+3PEI9lPDMMl3BmvR/5Tmwdjxx7cR26AXsdow== Date: Mon, 21 Sep 2026 20:51:51 +0200 From: Alexandre Belloni To: Stefan Wahren Cc: Krzysztof Kozlowski , Sander Speetjens , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Jonathan Bell , linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 1/2] dt-bindings: rtc: Add property for Raspberry Pi 5 RTC Message-ID: <202609211851510a4eec42@mail.local> References: <20260917135841.841680-1-sander.speetjens@gmail.com> <20260917135841.841680-2-sander.speetjens@gmail.com> <20260918-steadfast-unselfish-loris-996d7d@quoll> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Last-TLS-Session-Version: TLSv1.3 On 18/09/2026 15:27:55+0200, Stefan Wahren wrote: > Am 18.09.26 um 13:44 schrieb Krzysztof Kozlowski: > > On Thu, Sep 17, 2026 at 03:58:40PM +0200, Sander Speetjens wrote: > > > Add trickle-voltage-millivolt property for the Raspberry Pi 5 RTC. > > Why? Describe the hardware, the need, not the diff. > Is this something we can avoid by making this configurable via userspace / > hw_clock --param-set=parameter=value ? I don't think so, the battery, once select is unlikely to change and so having it is the device tree is describing the HW properly. -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com