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 1F11BCA0FF2 for ; Wed, 3 Sep 2025 10:27:56 +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:Content-Type:Cc:To:Subject: Message-ID:Date:From:In-Reply-To:References:MIME-Version: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=oj9gesqCWEZX1N1hZgTvpmSqcv2Iw8bLBhaQ9r1RKbk=; b=YhIyMYnadLWNFqyrGRrzgMFQKX IQ/pvCZg2B9lOR05cmYqEfsfyk0M2tOUZpXfS0BJKfSAT3g5l9/RzbdMj2mXnTbCXFmH6PwToATfF lKThkQFS90m0E4WSrDTg9uTc7dBSos0WbpJDH3kPpDRGIBijN2uLEHAxzdaf8G05Ir5a+XcvQU56G J4DPElcAfHYzfs4rg5W86WmVNPceeXhlq5shmEZp4iJKjgM4SrSngWJRUQrnwe/dlSgv4bkUORohv 89fcx7P7XXhI2lly6U9yu28m2kSENXHUSt1ZRNIxQo/N63/S3r02qcLoboHFwVPVU41aKVPhoE/Q8 dh+LWHew==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1utkiT-00000006640-00aL; Wed, 03 Sep 2025 10:27:49 +0000 Received: from mail-ua1-f52.google.com ([209.85.222.52]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1utjUk-00000005t8U-3lUM for linux-arm-kernel@lists.infradead.org; Wed, 03 Sep 2025 09:09:35 +0000 Received: by mail-ua1-f52.google.com with SMTP id a1e0cc1a2514c-8921eb4bf1fso4105206241.2 for ; Wed, 03 Sep 2025 02:09:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756890573; x=1757495373; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=oj9gesqCWEZX1N1hZgTvpmSqcv2Iw8bLBhaQ9r1RKbk=; b=mG3oIXtZpaaKaVqJHihCzZob5rTAJ1ZUpTtOqw3ksHK9tTvaxUqalvYXJ7k9+xpG1t 7kDRPImv1paLa5ww2C7YdcCiQBxQxGu36Geg5gbFFOir+9RKNuZkRAo+20Tzt62Yk6Gq qsb2crsBmUmHI33+0zme2wBXhsAxDMRuRWTgkmro9nUTfAyXtyr8LoRuOVtJAvt9U9oc 9zRADKrLTD1zfEqyfjqH8TwFBANoFCnFYRKBIF4l+KY/OhcyapEAFs4KwsiJy7I5Tqsr XoSB2SLj8nm+msf/MYGOWh4KexhC+akVNYDtknSmsBvW1/9HuXwNhQ8YogjWixhKLFf5 O26A== X-Forwarded-Encrypted: i=1; AJvYcCWMFxuyxt8b0rwJhpobEd8YRtlKRKP9SD2kwxG/HKjy0b6Gwbbos5fHvigR5at/4Iu5vXa5VP2jRWxLH3sm2KWp@lists.infradead.org X-Gm-Message-State: AOJu0YxqzUdWV21plY6f2W23eMKhwm4FceVYLopUeKCJXkU3CwBFhWIb sY/zryAZxgc4KacqXTejZ4SRGUOde7k35HSbD092lniM51VkhfpfOw2v70lGRFpM X-Gm-Gg: ASbGncsDO07KV1oVXsDz+qIgeSmoWos2L9C/XlJrALZBNIU8UUHWa3MRZsnn+ES6efb Iizs/B9Q1XmXU4qiQ6SYTVnhIFj6quX5kKAIBnlvHl/i+jo568bNaDTImDVuAGRLUi4qtJf13r2 YK3PqRlbq9FtMgG8YWOZJ+An1nauFmO2Wp0/5V8wNK/bAfSOXx7BlW6fTHCL1fBqqAVrbeGK+et kKpx36SyWILTI9xe+oA7+Iw+l2P8O8uMrftseD+T22sfaMcyKtcGmKlhik3QhiqthJUWe9P2MGM +ZVQBc3moaOZaQbqNi66cR2OcDpkUU3nHzdm5rmLl1QLKJx/8+SWen38pJtTX21H5B8hEiETB+J 28/H9zqhycoSO0AEmfCdabUDrCkNIVyyw1iH7hy7rrKQUj7JZcfjtEAk/c29C X-Google-Smtp-Source: AGHT+IHo+2KFVInyckfB/dl0xY/3PtCKp1ZP2NiBroE4l+8bErPI0PIOw3GycgaLCvWgLppKVDIz5w== X-Received: by 2002:a05:6102:4b8a:b0:4e6:d94f:c197 with SMTP id ada2fe7eead31-52b1bf3bf2dmr5308103137.23.1756890573412; Wed, 03 Sep 2025 02:09:33 -0700 (PDT) Received: from mail-ua1-f41.google.com (mail-ua1-f41.google.com. [209.85.222.41]) by smtp.gmail.com with ESMTPSA id ada2fe7eead31-52af19156ecsm5397296137.12.2025.09.03.02.09.33 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Sep 2025 02:09:33 -0700 (PDT) Received: by mail-ua1-f41.google.com with SMTP id a1e0cc1a2514c-895fc1c8f05so2286485241.3 for ; Wed, 03 Sep 2025 02:09:33 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCX587KSAvftuqLnLCMaGNJz9JqppKOzElPxUrPwYCht67x51FWX877WvLLzDigC3ZrV+quaGYicn3wA1gdKEcfO@lists.infradead.org X-Received: by 2002:a05:6102:3581:b0:524:5266:f74c with SMTP id ada2fe7eead31-52b1c8811fdmr4553436137.31.1756890572867; Wed, 03 Sep 2025 02:09:32 -0700 (PDT) MIME-Version: 1.0 References: <20250902001302.3823418-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20250902001302.3823418-3-prabhakar.mahadev-lad.rj@bp.renesas.com> In-Reply-To: <20250902001302.3823418-3-prabhakar.mahadev-lad.rj@bp.renesas.com> From: Geert Uytterhoeven Date: Wed, 3 Sep 2025 11:09:21 +0200 X-Gmail-Original-Message-ID: X-Gm-Features: Ac12FXxX9lgyaKAr8UpWw-SXRvkRdNef9IMOHkwD6ZbZ-DdxK6PzWj_7-XFm7Aw Message-ID: Subject: Re: [PATCH net-next 2/4] dt-bindings: net: renesas,rzv2h-gbeth: Document Renesas RZ/T2H and RZ/N2H SoCs To: Prabhakar Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Russell King , Giuseppe Cavallaro , Jose Abreu , Philipp Zabel , Magnus Damm , linux-renesas-soc@vger.kernel.org, netdev@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 Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250903_020934_941938_14FDCE11 X-CRM114-Status: GOOD ( 25.22 ) 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 Hi Prabhakar, Thanks for your patch! On Tue, 2 Sept 2025 at 02:13, Prabhakar wrote: > From: Lad Prabhakar > > Document the Ethernet MAC (GMAC) IP present on the Renesas RZ/T2H > (R9A09G077) and RZ/N2H (R9A09G087) SoCs. The GMAC IP on RZ/N2H is > identical to that found on the RZ/T2H SoC. > > While the RZ/V2H(P), RZ/T2H, and RZ/N2H SoCs all integrate the Synopsys > DesignWare MAC (version 5.20), the hardware is synthesized with different > options compared to the RZ/V2H(P): > - RZ/T2H requires only 3 clocks instead of 7 > - RZ/T2H supports 8 RX/TX queue pairs instead of 4 > - RZ/T2H needs 2 reset controls with reset-names property, vs. a single > unnamed reset > - RZ/T2H has the split header feature enabled, while it is disabled on > RZ/V2H(P) > > To accommodate these differences, introduce a new generic compatible > string `renesas,rzt2h-gbeth`, used as a fallback for both RZ/T2H and > RZ/N2H SoCs. Until now, we didn't have any family-specific "renesas,rzt2h-*" compatible values. Instead, we always used " renesas,r9a09g077-" as a fallback for "renesas,r9a09g087-". Is there any good reason to start deviating from this? > The DT schema is updated to validate the clocks, resets, reset-names, > interrupts, and interrupt-names properties accordingly. Also extend > `snps,dwmac.yaml` with the new `renesas,rzt2h-gbeth` compatible. > > Signed-off-by: Lad Prabhakar Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds