From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx08-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3F4A194AE2; Tue, 29 Oct 2024 15:31:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.207.212.93 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730215874; cv=none; b=Bjyg2CaGYMfk3cGsqabD5JLZcGBHstiJ48QxvK6cETKVzAdBWwqJ9/JSWg3xYbFl6OxMhdjwMzK0I4oaHwQXVWn42Lj+XeHYYfzmW19QxJP3W1aaFDyqlqXJtoh9YPrlWBARLSGwwWSCDp2xdelOV6AXPvJOrid9994mEavooe0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730215874; c=relaxed/simple; bh=u0a3xitznGjPe3Siy+gZjTTUWi1lTkXvONBb6XAU1Cw=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=ApOSu4Od8oqB/vxFbiiX8TiVxHqxsjUMYVCWwHoDpdgVCSF1LX2me6299WfCD9MG1dAs5RI0ZLxpRMQykv1VlBlhichEUCnZamUxNmst7TIchi7OjDJA91HYoWSJ3Afa7JtlsKQw7mxAxe/3vkgS6xYnQZoGQ9Xs0LspFy4ARss= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=OVNmKCRk; arc=none smtp.client-ip=91.207.212.93 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="OVNmKCRk" Received: from pps.filterd (m0369457.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 49TCRjnj014244; Tue, 29 Oct 2024 16:30:44 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=selector1; bh= R+/H3pqYnfyIgN4uUTX5uKa1/8V4zVKPQSaYRI/UZRA=; b=OVNmKCRko1YzY2kL 5Z4zEd9acvr9AXfrhBP3j4XJ3vOlg+SkFkMqjbC+p1GB9ZRKKothnz5GqlN3nfJn t/lqY+G/f7lpgiWsV7KBtugZaU3rM+eUeqqNA1IOLhTo9WNP+SEgCADKeHTPuR16 5soEjoVxw5N7CB9ARbgnYVP+md1s4/N6hgsNbCsVHRT32l2l5kfTCXzZGEHgxm75 tQgg4K3mfTDS1mReIuphJvwgxKfEUKSPcwLNzBONVDEx+dboffGGBRrFnRTZq2qe Py9bM3Ptf6tXUgobwCmE7/kDZEgvdWca6f3nqIMMdxRubBEIqEv3jd6Y0a6SLUXB aPdH5A== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 42hbchmh24-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Oct 2024 16:30:44 +0100 (CET) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 10C8540044; Tue, 29 Oct 2024 16:29:33 +0100 (CET) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 2CB95263877; Tue, 29 Oct 2024 16:28:47 +0100 (CET) Received: from [10.48.86.79] (10.48.86.79) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.37; Tue, 29 Oct 2024 16:28:46 +0100 Message-ID: Date: Tue, 29 Oct 2024 16:28:45 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] ARM: dts: stm32: Describe M24256E write-lockable page in DH STM32MP13xx DHCOR SoM DT To: Marek Vasut , CC: Christoph Niedermaier , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , , , , References: <20241017190933.131441-1-marex@denx.de> Content-Language: en-US From: Alexandre TORGUE In-Reply-To: <20241017190933.131441-1-marex@denx.de> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: EQNCAS1NODE3.st.com (10.75.129.80) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 Hi Marek On 10/17/24 21:09, Marek Vasut wrote: > The STM32MP13xx DHCOR SoM is populated with M24256E EEPROM which has > Additional Write lockable page at separate I2C address. Describe the > page in DT to make it available. > > Note that the WLP page on this device is hardware write-protected by > R37 which pulls the nWC signal high to VDD_3V3_1V8 power rail. > > Signed-off-by: Marek Vasut > --- > Cc: Alexandre Torgue > Cc: Christoph Niedermaier > Cc: Conor Dooley > Cc: Krzysztof Kozlowski > Cc: Maxime Coquelin > Cc: Rob Herring > Cc: devicetree@vger.kernel.org > Cc: kernel@dh-electronics.com > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-stm32@st-md-mailman.stormreply.com > --- > V2: Fix up the M25256E in Subject > --- > DEPENDS: > - https://lore.kernel.org/linux-i2c/20241017184152.128395-1-marex@denx.de/ > - https://lore.kernel.org/linux-i2c/20241017184152.128395-2-marex@denx.de/ > --- > arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi > index 5c633ed548f37..07133bd82efa6 100644 > --- a/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi > +++ b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi > @@ -202,6 +202,12 @@ eeprom0: eeprom@50 { > pagesize = <64>; > }; > > + eeprom0wl: eeprom@58 { > + compatible = "st,24256e-wl"; /* ST M24256E WL page of 0x50 */ > + pagesize = <64>; > + reg = <0x58>; > + }; > + You could have sorted nodes by I2C addresses. Anyway, applied on stm32-next (as dependencies have been applied by Bartosz). Cheers Alex > rv3032: rtc@51 { > compatible = "microcrystal,rv3032"; > reg = <0x51>;