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 53AB5CAC5AC for ; Tue, 23 Sep 2025 19:38:19 +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=4eTs5wJ1guhCwsPPIuBHJ8ae9tZLOEFUp47Da5gc7a8=; b=kNXxgN+UCl0xXo 02al9xhbUlaryiJIz2z8aquKaqB51hlTMKq7cnkJaeksQbUmwLlnJxXso47ty7bPxsfzrjz65vZPq x+roa+R+H0e0sKvsaCVEhmuKCi1fmXxColqXt6TUlZLAyAdzhBkphW6vWIlWlkJdPy8/U+ch1/VgJ BKlfpkMSxlCRCxatnHQXy0pVAIB2/llwuw16XI7GOyZIxb/Kxs7Dhlydl44AcfkdsfaThrdCSXULi NoWIB6ZXu7bHmGhCxq34LpwIVNZOp7nEfstCI4gNhJhuEriX08VZwyf9nb9m35vGzcYelWZ9nlymP kjmdcJdpyPfgLIdwZYiw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v18q4-0000000EgZe-2yAw; Tue, 23 Sep 2025 19:38:12 +0000 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v18q2-0000000EgZG-2rsa for linux-riscv@lists.infradead.org; Tue, 23 Sep 2025 19:38:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=In-Reply-To:Content-Type:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Content-Transfer-Encoding:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=N/nltPOP/QTmAWmBxseflmrts3lUXytkbtm/LXWfigA=; b=FxCoqPOaqRZ2R8Aur6im7m1zHc kq0hECdk+rLeSLs6UNViB1WNIiGTwLu3YfOC4vLjWZn7L05LcE2M23DyVERkIabZYZz9rW2+fF/m/ +xUtDVn6VzFvKxNPo3VFOQmaFYnzhWe3jWHJOWm9qDBT29YheMTLZ2bXYhekRIFnwRR8CvHZehiSv Y9XtxbiBcuzeta3zqFMvj5aon4sNSDaFgXhnTPUqTP4MOllot9kNbaTfz5Cdi0ATdS/is9O8g4bSY ltF4F4247GUGlMHnLIW+MOAL4iHVLCV5uJGOF+O3lpV/Homxbg9fy1KS3M9s8v0xq4BjLJjJDkEiM uSpI0+Tg==; Received: from [2a01:e34:ec5d:a741:1ee1:92ff:feb4:5ec0] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1v18pu-00CB5i-20; Tue, 23 Sep 2025 21:38:02 +0200 Date: Tue, 23 Sep 2025 21:38:02 +0200 From: Aurelien Jarno To: Troy Mitchell Cc: Yixun Lan , linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:RISC-V ARCHITECTURE" , "open list:RISC-V SPACEMIT SoC Support" Subject: Re: [PATCH 2/3] riscv: dts: spacemit: add 24c02 eeprom on BPI-F3 Message-ID: Mail-Followup-To: Troy Mitchell , Yixun Lan , linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:RISC-V ARCHITECTURE" , "open list:RISC-V SPACEMIT SoC Support" References: <20250921210237.943370-1-aurelien@aurel32.net> <20250921210237.943370-3-aurelien@aurel32.net> <20250922032158-GYA1291757@gentoo.org> <2A310AE601C62BAA+aNH7IfsDeD7-Vrxf@LT-Guozexi> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2A310AE601C62BAA+aNH7IfsDeD7-Vrxf@LT-Guozexi> User-Agent: Mutt/2.2.13 (2024-03-09) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250923_123810_720586_EE3514E6 X-CRM114-Status: GOOD ( 12.78 ) 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 Hi Troy, On 2025-09-23 09:42, Troy Mitchell wrote: > On Mon, Sep 22, 2025 at 06:49:35AM +0200, Aurelien Jarno wrote: > > On 2025-09-22 11:21, Yixun Lan wrote: > > It seems to only contains board infos (mac addresses), but if there are > > other use cases, that can indeed be dropped. > Then you can split the EEPROM into different parts. > Each part can be described as an individual nvmem cell in the device tree. > Some of them can be marked as read-only, while others remain writable. > > Documentation/devicetree/bindings/eeprom/at24.yaml +15: > ``` > - $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml > ``` As pointed by Vivian the best for that is to use "onie,tlv-layout". I'll do that in the V2. Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurelien@aurel32.net http://aurel32.net _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv