From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E5C8B470454; Wed, 5 Aug 2026 13:03:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785934991; cv=none; b=vDnGJHpJd9gQmnU/JIEEMwADFXRosLeJuSVJskBZ0EacRYG8iNFCiTE3S2sXL+efDx5hkIZ3xEmfbHAyQXUgW9rmI5b/SZfB4I/pa+hfuF5rvcRMhhIP0ufmP9oWLW+UQvXwSQ3V1OmRBMqIJPHrYEJnd+K8+eSEv3k3SDpbHiU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785934991; c=relaxed/simple; bh=LdloDJM8DI8AB4ZLQsP/+vZzjiWKgFCiLWLBMA7iRMU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=esI07Y0wRLtDqMx5ky8rJDZMyab6NXXW7XSyPdfnu0QjqjyQWPDcQf+VPdnFkyz7jawBV0N/0mUh/ac4qSbl5P5HGoctmtCr/hFwe+DrW8dSIKehFjJdzAzUUqpTK6CexTllfwFwYhvr7VOYjQOa9zfc4bq6H/Lfid0ltOhdmHU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eWqxjPCj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eWqxjPCj" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1E649C2BD04; Wed, 5 Aug 2026 13:03:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1785934989; bh=LdloDJM8DI8AB4ZLQsP/+vZzjiWKgFCiLWLBMA7iRMU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=eWqxjPCjwCfgR/epli6oVNNb/qBgurRKnG61rPed6+cNt7L/dr9Z8+pnPQD5UJL6E 01SNxuHOmj5fxEGa9Ip2EVYLTUvCvBSCit4R4tJKXKRyex+1Un7VH2P1HdD/T/FfU/ h2V5/hP3C/CkCm61TvoAJa1rUllapXYRKgtHGUzlTVm4avFViBo9KbdshM8WwKk3PR pT49Xa6XkhP8984wDU8lWYaqCPKFiLBXPLRaRfrH1fU5Bek/Puy/BNanNC4ujzj6gc jwoRF1BDuWCGs6R8c/6WEdZ6hlz+xNt/DUF9LLUuVbPQw2k7Qn6HfrlGoq8WqzaE6F dggNI0Ky+oATQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09059C56207; Wed, 5 Aug 2026 13:03:09 +0000 (UTC) From: Colin Huang via B4 Relay Date: Wed, 05 Aug 2026 21:02:33 +0800 Subject: [PATCH v4 05/12] ARM: dts: aspeed: anacapa: Add additional EEPROM node for SCM Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260805-anacapa-devlop-phase-devicetree-v4-5-5d67e0efa6c5@gmail.com> References: <20260805-anacapa-devlop-phase-devicetree-v4-0-5d67e0efa6c5@gmail.com> In-Reply-To: <20260805-anacapa-devlop-phase-devicetree-v4-0-5d67e0efa6c5@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, colin.huang2@amd.com, Colin Huang X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1785934963; l=1250; i=u8813345@gmail.com; s=20260202; h=from:subject:message-id; bh=NAF+xcmhfBdWvCk+Ea9KmPCdarcFxDgMq2cQBYIvfaY=; b=wpqf0DC+1LYoo74qwFuJLHClCkzNFOqzu9etJpRAXMv19z6UtEFsANYU7piTdC53+d2rvOpU9 ELG5mCU+j7QAQmdgL6n//ZCOtfQ4pb/yTyh9KNGmWK8vfT0Xu05wZ9k X-Developer-Key: i=u8813345@gmail.com; a=ed25519; pk=Zlg0WqpCw4qbswOqamTBTXIchwR/3SnYZpy7rjaGMdQ= X-Endpoint-Received: by B4 Relay for u8813345@gmail.com/20260202 with auth_id=761 X-Original-From: Colin Huang Reply-To: u8813345@gmail.com From: Colin Huang The SCM FRU EEPROM I2C address differs between SCM revisions: - Rev B uses address 0x50 - Rev C/D/E/F and later use address 0x51 Add an additional AT24C128 EEPROM node at 0x51 on i2c9 so the same device tree can support multiple SCM revisions. Signed-off-by: Colin Huang --- .../boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts index 4a6ae7c6cbf8..1901a325c72c 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts @@ -8,6 +8,20 @@ / { compatible = "facebook,anacapa-bmc-evt2", "aspeed,ast2600"; }; +// SCM +&i2c9 { + + // SCM FRU + // | DC-SCM Rev | Slave address of eeprom | + // |-------------------|--------------------------| + // | Rev B | 0x50 | + // | Rev C/D/E/F/above | 0x51 | + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; +}; + &sgpiom0 { ngpios = <128>; bus-frequency = <2000000>; -- 2.34.1