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 7E2D1C282DE for ; Mon, 10 Mar 2025 07:20:41 +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=kd2fPcVm5IBbyvlRqelD6BKeUqVBV6LqAVTsXt7/gMo=; b=d4pGwf38lYwCnYs5reXFzpHKd+ HBMy6GeFvUU+gVN2Br18NsX+OmBPjfJiA20XXroORh6Kb2z3QYi1xNwsNzjGg/GjxZcULMHLj+pHd DfjPRiIUmpnft+Z8FQviOmIWceo0VdtZgiIKCS2CZfeJ9AgbhDefTNmrAtTjA1qrTKjUUeN2vGTQj sifCNClvfExawhGBfSlVYkE/uCJ/PaV91mfWIVQihtcQvS8bkQyqCrz3ksxD4zOHmjYiToHqGRQil 4VfOs+dKX/J75Ak6gwKneGLWvW8FbUHt8z18Hg5xAPhmaG3i0tvaEOfs3NC5GTBGItnodl2tTdmf3 VGPajK6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1trXRA-00000001jHc-0eSU; Mon, 10 Mar 2025 07:20:32 +0000 Received: from layka.disroot.org ([178.21.23.139]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1trXN9-00000001ioc-3JJf; Mon, 10 Mar 2025 07:16:25 +0000 Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id A9FC82591A; Mon, 10 Mar 2025 08:16:18 +0100 (CET) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id 0QO2kUGrrvhG; Mon, 10 Mar 2025 08:16:18 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1741590978; bh=ZSuThKs4RRRiIQBWC7D0j8baNXGHTK3a7S1ckfF9qdA=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=iCfdHmgtbmqK8KQ3CKJXUznYpU7FQEJMgb78NWQR2d/qNTzzWwFfgdofObg9+B41p LhZlu+K9VHzifZnDVyKdO/xKBRnl+xAU4s4pA4zaQ43aqHj+5N+4M6glv7M4ISRWVA pCl9LPavMwU022eFNBiY7EgPRMCRkmPdT2dN2/yw93HLUaIFYF+/81NzB2ykfQrmMg ABQNBBa4sgKYyoKPyu0cxjPNnNy5cDWLgH7T0czc/YvzGlmoQN6X4a8aO9BbitRkBM dgaH/z7CjJ8qu7bAcXRtSFCWh2Btc1c23VlM4ZJjGlIbsGcjNgrvopi3JMirl4xfpd m66kMTlO7QTmQ== Date: Mon, 10 Mar 2025 07:15:58 +0000 From: Yao Zi To: Chukun Pan Cc: andi.shyti@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, heiko@sntech.de, jonas@kwiboo.se, krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH 3/3] arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C Message-ID: References: <20250309070603.35254-4-ziyao@disroot.org> <20250310070023.52290-1-amadeus@jmu.edu.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250310070023.52290-1-amadeus@jmu.edu.cn> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250310_001624_243585_C422E29A X-CRM114-Status: GOOD ( 10.65 ) 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, Mar 10, 2025 at 03:00:23PM +0800, Chukun Pan wrote: > Hi, > > > +&i2c1 { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&i2c1m0_xfer>; > > + status = "okay"; > > + > > + eeprom@50 { > > + compatible = "belling,bl24c16a", "atmel,24c16"; > > + reg = <0x50>; > > + pagesize = <16>; > > + vcc-supply = <&vcc_3v3>; > > + }; > > +}; > > This eeprom stores the device information written by the manufacturer, > such as mac address and sn. So it should be marked as read-only. Thanks, this makes sense. > Thanks, > Chukun > > -- > 2.25.1 > Best regards, Yao Zi