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 4CFF64252BB for ; Thu, 2 Jul 2026 08:17:09 +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=1782980233; cv=none; b=T/jeq+2XBkiM20+4go6HNEyIzsD1jIfbPb35tB8ICdsx0QkyRdWiqcOoxErIDhQ43j3/KEf66KfNGkxpE+jTOBn2yu3U4qhLRelZ/zK7wJM91TuZE47FOhSE2BaK8+lGDPZ6RVUWGqUO585zzU1vwLZkPESoIjXxooL1zNj5Kpo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782980233; c=relaxed/simple; bh=6XdmpY/pL+fHXGQV3gmPke5aow2UPDrA6F9fwFoc5OE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=vDSmPR43QpOkK9oqrU6FO9BgCmplMp3JUilMIRMGrwGdcRXXbuY4SYiaPzvMidJfr+zCqYykRnG0AmFVtNhKI93GU98WzU7+JzEx5npmG2n0/dqa5VHUogbuidGN8naWx62FgzTh71VTweEyAORJiMyH5TJa57qtGKHsLPP+0ok= 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=ERANWzcF; 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="ERANWzcF" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 0518F4E40C2A; Thu, 2 Jul 2026 08:17:07 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id B62655FF03; Thu, 2 Jul 2026 08:17:06 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 90A3F104C96A5; Thu, 2 Jul 2026 10:17:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1782980225; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=gJc2ZXFFVkna7QBtpQqQx1joA9VijE2aSoSY4AV7Vrs=; b=ERANWzcFm1uj6GQ7c2DRm/HlQFI9/dQl5lNS9uP6do/bkXXYKUsaLzW7s16mpLsWOXhgV1 gEpaCqZ/FI9OhjNAw6x14AdwKSR09BJLxabLEvPQneiA5h40NVu1QCtl4Zj4VMGA11qfZ8 a8SRokCjPigVA2B5U3fQW4Fl8Z1xs1Pn/GvxN1FWTu/B7B3LWjqivUN3RDR+nOMRRgY6AX HM6XWG467tElfQGSE68i96OLTXCd2+S8nixInDL2Sz9f8PHwdpYuA8Tyn7y/3PAdtrIG8t APMseIuMqQdwAgeqvRK8b8Jg7u4PhXh7pDlpJsWDc535X9J8b1j0734RdnWmNg== Date: Thu, 2 Jul 2026 10:17:01 +0200 From: Alexandre Belloni To: Krzysztof Kozlowski Cc: Markus Probst , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] dt-bindings: rtc: Add sii,wakealarm-output-pin property for S35390A Message-ID: <202607020817017cde494f@mail.local> References: <20260630-rtc_s35390a_int1-v1-0-1b2239e16be2@posteo.de> <20260630-rtc_s35390a_int1-v1-1-1b2239e16be2@posteo.de> <20260701-bronze-jaguar-of-perfection-028bac@quoll> <45e8157be53c3d8827fcccece7f706968bc056d3.camel@posteo.de> <7de66163-369e-4118-af51-6913b565fa4b@kernel.org> <20260701164821b7492eac@mail.local> <74b32ed0a700e3900c0f34d730b2b5b69eb2ca19.camel@posteo.de> <187099d0-5e09-49c2-b67d-8bd4366ff1a0@kernel.org> 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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <187099d0-5e09-49c2-b67d-8bd4366ff1a0@kernel.org> X-Last-TLS-Session-Version: TLSv1.3 On 02/07/2026 08:09:55+0200, Krzysztof Kozlowski wrote: > >> Then you need proper wakeup-source support > > Wouldn't that break existing devicetrees? > > How? > > > > > The current driver allows to wake up the system, even without > > having wakeup-source set. > > Anyway, wakeup-source is already there in rtc, so this would be done. I > don't get though, why there is no benefit of routing it to interrupt > controller (interrupt controllers do wake up the system). Additionally, > if you do not connect it to any interrupt, then how does it wake up the > system? > Some systems are routing the interrupt output of the RTC directly to the PMIC and the PMIC is the one responsible for waking the rest of the system, including the SoC. -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com