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 6C805CAC5A5 for ; Tue, 23 Sep 2025 19:21:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: 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=8Ext74KJgCqP68uVQpi8ENfikAabBXBBRtHtTpy6ihI=; b=dmGhE0v20rHCKJ y65ZNO/1iJKUWzmusahvPSj3YcLyo74Mu8ZkoYqTzc/uTM3MemWqDwLVVETZSRZO3mF5iIgp+CV02 ptYgGSyreYytu+S4CJsl7/ajL6CfnFYXLFAVT5YiEf+yg+pNN5I/Z2EMvBpPREc6oT5toYMrg9jfK tpFK/yjL8HJI/cn16PLV1wXVSBVdd/dgpS9IDtQ4FW4jrXx5lRmjtTYazjKOC+FJmfs7E5kY2adyh Fk44QCvTqiAobg7YY16h4aWJPfRPI14tNme4I9vCb46DWqOozCNIJzwVwXNyroenanJ88T+t7K5sY /XdBio8rKd7I9qcbHrUw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v18aE-0000000Eekn-2g9e; Tue, 23 Sep 2025 19:21:50 +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 1v18aC-0000000EejP-1kLQ for linux-riscv@lists.infradead.org; Tue, 23 Sep 2025 19:21:49 +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=a0W6UucVZcsa4tEXRuLEbZNgWX1QiAjb2QntoHbMXRc=; b=zHdsdxEx2uI1cGM05OkrzBseCO HNDD0VDiCRNkI1wUbGSRJL5+FgH1tEeR2tp/jwBH1qflQ2bBipj5MOM+OInRHAfT6EmFwg0qeSktT tb06SQQQmKOBXpWpqatQYHZqkamzrx2wu4P3zMjG8z6CYSwJckgT2HRFgXD4+dHYFwGcahoKXWMUV vFKPtCFEBsuFslYXnpxsW2RcMY8w6OA1jovT5yFOjtS+zb3CWEa5eSTQmfq1M8wZ2bvVrCLynBPGn gEy3cOMsmvq6egCE4wNDldIuib8Y79IzUUbBulXz5SmxlQ5Kv2g5oF/6R2owlr8CTQguXuDDhGBUA JREGooIw==; 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 1v18a5-00CA8A-0F; Tue, 23 Sep 2025 21:21:41 +0200 Date: Tue, 23 Sep 2025 21:21:40 +0200 From: Aurelien Jarno To: Troy Mitchell Cc: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , "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 , linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , "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> <6CF6078CFA2EB2F4+aNH_RmNkM_hnsAYu@LT-Guozexi> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <6CF6078CFA2EB2F4+aNH_RmNkM_hnsAYu@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_122148_457294_FBCC3642 X-CRM114-Status: GOOD ( 16.80 ) 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, On 2025-09-23 10:00, Troy Mitchell wrote: > On Sun, Sep 21, 2025 at 11:01:42PM +0200, Aurelien Jarno wrote: > > The BPI-F3 contains a 24c02 eeprom, that contains among other things the > > MAC addresses of the two network interfaces. For this reason, mark it as > > read-only. > > > > Signed-off-by: Aurelien Jarno > > --- > > arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 11 ++++++++++- > > 1 file changed, 10 insertions(+), 1 deletion(-) > > > > diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts > > index 3b6e4f52e9aad..574d10fdf9b82 100644 > > --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts > > +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts > > @@ -115,6 +115,15 @@ &i2c2 { > > pinctrl-0 = <&i2c2_0_cfg>; > > pinctrl-names = "default"; > > status = "okay"; > > + > > + eeprom@50 { > > + compatible = "atmel,24c02"; > > + reg = <0x50>; > > + vcc-supply = <&vcc1v8_sys>; > > + pagesize = <16>; > I'm not sure this is 16.. > Could you double check it? Yes, this matches the datasheet: https://www.giantec-semi.com/juchen1123/uploads/pdf/GT24C02_DS_Au.pdf It says "Page Size: 16 bytes" 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