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 DEE7FFD063E for ; Wed, 11 Mar 2026 07:02:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=eERcjOUgySyBKMQnncOzzf6mAFm8UN0rOTL7nD/ZHzs=; b=ymagPMecIcLmc7 nwxyK6n4QRi+LxfSfqzW7UGqDn8ku/dDacgQS1oM9nkcXvxx5JnvlmXuus9zT86u59V/jzJ+jNvaz VvTaubKlIGHwyyAju1NRodSx6waC4asta3mYMQpXamdD7/3wvvdJDDdIeIOOqlRSWZLmpGvS37iss Xuax0evADsYnwl/WAKe1lDPtvSGt5Puf6esMjufkwJs/nsi48hR86YJxG3oMp5h46il2wIkJf5VVr 9+iip8BU/qwhNf+2F/3z4fz2Kfdh6EOamPK7TqYUJkS19QSsndsQ/JZXGfS1wB+3BERIKQzLW/aQl ou0W4S6so2ezM0g9qXaw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0DaM-0000000Axw6-12d8; Wed, 11 Mar 2026 07:02:26 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0DaK-0000000Axvs-39Cq for linux-riscv@lists.infradead.org; Wed, 11 Mar 2026 07:02:24 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 8C12B6012A; Wed, 11 Mar 2026 07:02:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B533EC4CEF7; Wed, 11 Mar 2026 07:02:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773212543; bh=oEp0zagVz/EKP3oxg1isMpE3fIGisB1T3dXsWTVrdpo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=icwXk+JQMwQUrKJOn6jtJCSJkbG/Y3cGfZTlZJh6uzdoYw+WWSE6ZeMJd3UamP8uc JK4WOJw+3i4pNSkCcTB6L1EujwAhmvMQQC58vuR9aCiDvdbCB5buitTXA90WICPnQw WaA0O5VLCtPRTWDPgfIbzzXXNWLl73U7KMeBfrPnr8QbYhSaMCwpcSkKsj427MkKGb TUDvITYa28rpmTrWEvAS8dCT2P73+87rEPHBhr3xhgymWDSn3azdTsJWR4gd/HVCwD g3Qm78MEyXKPvUA/QLL1T1ojsKTzydSe8rILiD4zGRUolu819EmLdeAGMJFa1EIBjG PqURs1aPe9B4A== Date: Wed, 11 Mar 2026 08:02:20 +0100 From: Krzysztof Kozlowski To: Conor Dooley Cc: netdev@vger.kernel.org, Conor Dooley , Valentina.FernandezAlanis@microchip.com, Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Daire McNamara , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Nicolas Ferre , Claudiu Beznea , Richard Cochran , Samuel Holland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Dave Stevenson , Sean Anderson , Vineeth Karumanchi , Abin Joseph , =?utf-8?B?VGjDqW8=?= Lebrun , Ryan.Wanner@microchip.com Subject: Re: [PATCH net-next v3 09/10] dt-bindings: net: macb: add property indicating timer adjust mode Message-ID: <20260311-uncovered-paper-hog-e32fcb@quoll> References: <20260310-moneyless-dispense-7bce14b16388@spud> <20260310-aviator-upswing-80e8543a2300@spud> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260310-aviator-upswing-80e8543a2300@spud> X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Tue, Mar 10, 2026 at 05:17:16PM +0000, Conor Dooley wrote: > From: Conor Dooley > > The GEM IP has two methods for modifying the ptp timer. The first of > these, named "increment mode", relies on software controlling the timer > by setting tsu_timer_incr and tsu_timer_incr_sub_nsec and performing > once-off adjustments via the tsu_timer_adjust register. This is what the > macb driver uses. The second mechanism, "timer adjust mode" uses the > gem_tsu_inc_ctrl and gem_tsu_ms signals to control the timer. These > modes are not intended to be used in parallel, but both can be possible > on the same device and which mode is used cannot be determined from the > compatible on all devices, because some users of the GEM IP are SoC > FPGAs that permit configuring how the IP is wired up. > > Add a property to indicate that gem_tsu_inc_ctrl and gem_tsu_ms are wired > up for timer adjust mode. > > Signed-off-by: Conor Dooley > --- > .../devicetree/bindings/net/cdns,macb.yaml | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv