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 B378B394461; Tue, 25 Aug 2026 10:48:40 +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=1787654920; cv=none; b=DRNkwBL50ie2GHwGr4abqVn+7JjXaOj+4dZO0g5j+RfJzI1J5LYsBcVfgVJP48Sw0X2Ol1ZWSjm79Uu69pJ0czeTlyUyJRo+OOcGFM5AD+h1fCGDSuDFjfbX1ZB/UVF7kvxTqqqLp1TYDh/qEUsZIFuolGAuhBmFli25EJ82Vi8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787654920; c=relaxed/simple; bh=wAwBTsf3GkIlrHwbVtRdn+g/x5eJ9jnUFDqj54HbqqY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bWjmZtgAPE/moWxItCRnNyUmGUrqpwEJd4O/BtT6qb7PLJA5AwggPK5C36FDHmeQLpBSXowz5bxyAuO+O5MJeu85ok00tqz6BT336PC0V41eY/AR+DeL155TwEE6YV8Yj2WBDEG6OghBNsAKQHnSGHYLOBWmmGSAW/QBmSh7MUs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=i9XvgZsO; 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="i9XvgZsO" Received: by smtp.kernel.org (Postfix) with ESMTPS id 535A9C2BD01; Tue, 25 Aug 2026 10:48:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1787654920; bh=wAwBTsf3GkIlrHwbVtRdn+g/x5eJ9jnUFDqj54HbqqY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=i9XvgZsOzRwVgbl4s0RN+eeMo/VatgD1nDeMLWst42HtLlcmGa8Uuz1ZJhRRX3mIm uxV7jFR+cq9TAyFGi5kxtqWYo/dSMzRshcFonTQdy36PvG238uIZ6ZcC1CnL9OkdcB h2CKADzv8jio5Q4J+lC8+WTyiVekEvnonuB8ytmA/sx5jmaEH3kQYJNpsYaNh90pXL tTrZdop9aSi+a5tX4G8q7x6BMmDtJRfQjIdiX/Ld9FznDR0EsTlRUky0XqfG6Fk1Ev ZtuI8IlF+9ab41dVgivnSqwvOIlkPGbnq48Pt0W4eqlx1xgWFQnGg7TUY0Ol3ZAtxk b/b5qA+J7s1mA== 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 40F66C61DBE; Tue, 25 Aug 2026 10:48:40 +0000 (UTC) From: Colin Huang via B4 Relay Date: Tue, 25 Aug 2026 18:47:46 +0800 Subject: [PATCH v6 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: <20260825-anacapa-devlop-phase-devicetree-v6-5-9059a2a279ce@gmail.com> References: <20260825-anacapa-devlop-phase-devicetree-v6-0-9059a2a279ce@gmail.com> In-Reply-To: <20260825-anacapa-devlop-phase-devicetree-v6-0-9059a2a279ce@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=1787654905; l=1224; i=u8813345@gmail.com; s=20260202; h=from:subject:message-id; bh=6bqaYqKHlIwRPbR4gPkyIhffT51cOaBU7ByQ/FJQMrw=; b=XMu0Lx/noo3Yw4GhiYGV3uBQBVNQwxetTW3BuNLfMxGfGVAjhSLlcpJ1GPO/6ErE0vg0SL8e+ i8f/ZdGC4EgAUpb33SHEAvvzThzQk2Ducd4TDuZjNGdmY992hmkH7GZ 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 075ac39f369f..d2b4855ff1ad 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 @@ / { model = "Facebook Anacapa BMC"; }; +// 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 { bus-frequency = <2000000>; gpio-line-names = -- 2.34.1