From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (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 A5D441B4153; Mon, 10 Mar 2025 07:16:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741590989; cv=none; b=Xd5Q9hDc0CNw/XV5S0IN/M1bcIWcRvPkuiW1tkk68kMz0wX86fhbXpi1CiNp9W2B+EvWq06RNfGOb+jPzCa2p2ZBxDrFH4CU0XCweRrncuCZNIsUe7unB3FDNriSW+xlInfYR84pbC88i+SaF9QueliD/FWQ5P2atOOm/nruSY0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741590989; c=relaxed/simple; bh=ZSuThKs4RRRiIQBWC7D0j8baNXGHTK3a7S1ckfF9qdA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ch9TwQxIGgFLysx1DW/A+cTq7O4w/OJnORmfNIXz7BuxwV8Qz3OGmoTHwp9y467B4ctU3Z6pw1XI2rYVNR6527CbM/0p14NoYOeU4Se/5LAHrIDSjMiycktHHShYwA+YDOqV2bPqhUsWjoYLVqb0DnD/dbwOANiUtJFl1UQ75RU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=iCfdHmgt; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="iCfdHmgt" 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250310070023.52290-1-amadeus@jmu.edu.cn> 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