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 7A30DCA0FED for ; Tue, 9 Sep 2025 08:39:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=He+M1AWH7LptBKK77tITWBQ2UW3f7vtD14QgbeDAK84=; b=tgwdREbQ4Y3sjYz+pchYOwqOj6 vkKGZFZEdFfTFTLOP5uTvuudIboiLE74CKdty4gkEvrxNVivg9lpFiqhTtIWsdcGiWhQi7aQcG1Kv wWlmK4tnmqIKS5zkRQ47nPkPDkD6sNS5s4vf4+Wy640KMHYgs/l3dyAIiE9/45AkXxHH+ZqSy7l7d z0kGVIl+hFw3g9uudW6X35ir0Chbg/yzfLUPdk6A/sXyArSV8tUQMrfA6D0QdeuBCjwSDoLROK3On k9YywhTaS4tWInAl8qkbz/XOHARaEZVjPyMg6q/tO2GpDivo20oXLj5TB5f7xo5v5xDW6ONA7wORA N8UjLOTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uvtsk-00000005cwP-3SIv; Tue, 09 Sep 2025 08:39:18 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uvsYu-000000055gy-0njQ for linux-arm-kernel@lists.infradead.org; Tue, 09 Sep 2025 07:14:45 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id A926943667; Tue, 9 Sep 2025 07:14:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0328C4CEF4; Tue, 9 Sep 2025 07:14:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757402083; bh=9eG5fnaSGiqXsw4eiPV/yIEg2n0/EzNdL6QuKQ4J0G4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PyuPtYAwzhNuKU4CSjN/l5NrjK4jQlq9+Gd6w3rSIGppeuJ0CPZX6VeWqDtHL4h65 RPH4fFhyVl7Dh0ieAdIQZbCjO5GMIckLfwxIZrzUVa9RdVZB3IOQkZFrdEbMdvmobG GZOgJb3ByAtgslNt9n6hMSayDcghNkFv9NbfbDyA1ePzq4ZqnsZ4dqiGdQ1tpArVy8 PfdTXAuLyA6+jiPGJG6XjNEmrkQpwBiBILIhyYjhVhaTgRTWiUKGI9AJ/H7NbjLHB9 MdhAX5tTLBe9r/FHQBAHLTl6KgqZH1IZTlhwM4hgonvAzGZDXtuuK+sBNZjRXi3hiD VS+HP22zctCDA== Date: Tue, 9 Sep 2025 09:14:41 +0200 From: Krzysztof Kozlowski To: Prabhakar Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Richard Cochran , Philipp Zabel , Russell King , Geert Uytterhoeven , Magnus Damm , Vladimir Oltean , Giuseppe Cavallaro , Jose Abreu , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Biju Das , Fabrizio Castro , Lad Prabhakar Subject: Re: [PATCH net-next v3 1/3] dt-bindings: net: renesas,rzv2h-gbeth: Document Renesas RZ/T2H and RZ/N2H SoCs Message-ID: <20250909-charming-tuscan-mouse-abc1e0@kuoka> References: <20250908105901.3198975-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20250908105901.3198975-2-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20250908105901.3198975-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250909_001444_275949_8465B21B X-CRM114-Status: GOOD ( 14.61 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Sep 08, 2025 at 11:58:59AM +0100, Prabhakar wrote: > From: Lad Prabhakar > > Add device tree binding support for the Gigabit Ethernet MAC (GMAC) IP > on Renesas RZ/T2H and RZ/N2H SoCs. While these SoCs use the same > Synopsys DesignWare MAC version 5.20 as RZ/V2H, they are synthesized > with different hardware configurations. > > Add new compatible strings "renesas,r9a09g077-gbeth" for RZ/T2H and > "renesas,r9a09g087-gbeth" for RZ/N2H, with the latter using RZ/T2H as > fallback since they share identical GMAC IP. > > Update the schema to handle hardware differences between SoC variants. > RZ/T2H requires only 3 clocks compared to 7 on RZ/V2H, supports 8 RX/TX > queue pairs instead of 4, and needs 2 reset controls with reset-names > property versus a single unnamed reset. RZ/T2H also has the split header > feature enabled which is disabled on RZ/V2H. > > Add support for an optional pcs-handle property to connect the GMAC to > the MIIC PCS converter on RZ/T2H. Use conditional schema validation to > enforce the correct clock, reset, and interrupt configurations per SoC > variant. > > Extend the base snps,dwmac.yaml schema to accommodate the increased > interrupt count, supporting up to 19 interrupts and extending the > rx-queue and tx-queue interrupt name patterns to cover queues 0-7. > > Signed-off-by: Lad Prabhakar Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof