From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ua1-f53.google.com (mail-ua1-f53.google.com [209.85.222.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DC42223DCE; Wed, 3 Sep 2025 09:09:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756890577; cv=none; b=ksgTJ2xkOrwy2XjGfrqV1Ay1b3+gQTPCKuMol7m6kSSqQ4WbM0iKAXlkBy6XwIA04gnEeq9qXYRH9nkqK3Jq1Hy63dN3mw7rj+2YthY6I+HYAkYSlWGt8w3mCVH4KR6FKDtDNF/NMrnp0NFcdHuo34NNewxhUh4Ovt/KYfHvmNg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756890577; c=relaxed/simple; bh=JG3kU4+IKhOimswTwjTS5/L31x/mRfFyh3IRcpw1f1g=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=T4jm95162Z3OZufoNmXDhRGrwDDxxQi+H9LdSpnmH8En8tZy8tzfQHeKCh0hea37Rqv9HK1eSHQrxwxRaXWyEaeeBtJitLNJ7PGT6Z9zJKcFST8WUtPtBmLm2x9o14yL2rPP2oEXTzkE3ag+CCzPo1jK+EOgDPpp20zQBXI/okc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.222.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ua1-f53.google.com with SMTP id a1e0cc1a2514c-895fc1c8f05so2286497241.3; Wed, 03 Sep 2025 02:09:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756890574; x=1757495374; 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=ZyV2MsJBKAkAyfBdpRGU0l/Ep72oQXoBQLmYFhgrC/WAPIVRYYM37EY6IN8s4xxJ0S 1T/sTocUKwmV8U8CTkxyXMzHtqaYO43HclQF6nKCXQJEuIyiECuBJdbpcYQbRS+62vfA NIVUj4AOTPtUuXBPcUSTFWfyDtJPxgRGEGKfEgmGBFTM/M1DuoDUyF1997QGCygCu0DY Rs6RwrxE883wX2m+66njc8qf0H1UT5cPZk36Y3xkzL3eXbBD1cy/tf/MNFSLydPneRkd tlRmerUVcRCqWFPtzIY8wy6Y7qdSWAt1q5HMqVIpa6yi7F3Z7cMoznds7h4uCif7bsI2 0FWA== X-Forwarded-Encrypted: i=1; AJvYcCVc6MBbmeyI8uDvKpa+YwuL8bp48fJyGzATb7FZOsZs7GglmpCyDvtIjy2+OrJbrKqiWG68znAZ@vger.kernel.org, AJvYcCWo6K4GEYpMI0Mjl8J8b63ELU8r/9t9d8ilzoXmTxfyIS+uOSuGNqKwjEdzTf6p+vBVE79R5sxx5YMbu7hh@vger.kernel.org, AJvYcCWwzgfhljFPnDCHx88F+EvjsLNEsSn2/uciSnKSE1qMVpVqF3dlOBUfsM0wMW1CGyAh4DFCSODX9e4m@vger.kernel.org, AJvYcCXqa3nbrp7Jr/vXFDzOzfxPwUYvdmSUNSzEqVQ+DMRQHuiGPJiD8sJrNcZs8+2uj7UY74/ZPpV0aILtGxzqm6FXacQ=@vger.kernel.org X-Gm-Message-State: AOJu0Yy2IVfDyx9FYoXIZh7/fr+fPvihbHtoT095DC5oZCwv253GHBaH rW8P0ynHmDBaZiXpFxoG3DaZSnrhP2JoVAozZCAi+QuwhKhnIvJRavuMJcwLdBtE X-Gm-Gg: ASbGnctHorCvdPJTIf0y7iEUUBfudsQrvB27OjFb2NzCVaZCEq48m/x9UDvtWUebBEK W8uXnqQIayCBtJBzbjKK7wArnGzVmWL3sqmYXwmCMxwMVt0oFxzYZKP+Y+rmLOddnjHLFNUNSUv oWgjLs+iVn94i8Xf4vATo8mZE5dz2NdllE4EihZcJxZQczShg/4EA4jGVEmMcCwk6Z7D1Irt6TP lXUp9VxHvS5cMX+S9LpwMozCXfcql5wZitr1SBMaXTBZocnHiFg7vYz1u+js08QQpR/MKssKmxf dRyGhDpWxe1rX5fBmOGS6oAQS8hk8jGdXOmtMGSVG0VlTOU4LaUTXtfYljKQRsSUgzfxQWaS0Tf 8hrEp+xrJVTxQFtBhMbglPMj9sg1QdGReYJ11CIrkW/jHhm8rUGoyDiNbzNrWY4HlFA10zJk= X-Google-Smtp-Source: AGHT+IGRVMbUsk9ZqVbooWta6KzBj6dA9KPYDQKwxh6UCti7AU/1R8vw0+D7CeAFEWuaR8GByFGHWQ== X-Received: by 2002:a05:6102:6897:b0:527:4113:6aef with SMTP id ada2fe7eead31-52b1ba1ac44mr5595055137.17.1756890574341; Wed, 03 Sep 2025 02:09:34 -0700 (PDT) Received: from mail-vs1-f42.google.com (mail-vs1-f42.google.com. [209.85.217.42]) by smtp.gmail.com with ESMTPSA id a1e0cc1a2514c-89607330273sm3302672241.18.2025.09.03.02.09.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Sep 2025 02:09:33 -0700 (PDT) Received: by mail-vs1-f42.google.com with SMTP id ada2fe7eead31-531fe8d4619so621408137.2; Wed, 03 Sep 2025 02:09:33 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCVhIrSJ8Ckyo0dh+yDimegcT9BJxpcL9KTpy7lJ/atYjT1tNwN7wghibXdIrNJeWgdR3ZCNh1VVJmhn@vger.kernel.org, AJvYcCVlnLIuEfMYc/cZjv8K96CIYBPZB+zkRiLHH8fldS+4e42NAgdZjR7TVgAGjotjoQDBcWHbb2oaKRK7NUbD@vger.kernel.org, AJvYcCVmTeQOqv7c+e/qRrKul9AhPbXOYX1FhGK8XfGGpg5mUXkU/9rwWmecrXe2WS86kI2cNF0jvu/Dkyytd7EvP02UzCg=@vger.kernel.org, AJvYcCW2qyXGxPvEbK5gRzxB40/VR5xIM51VRWeGDqaM5TrLW576BO6W9OF984IA3dOyWqVTMcj+JvEy@vger.kernel.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) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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" 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