From nobody Wed Oct 1 23:35:32 2025 Received: from mail-pf1-f176.google.com (mail-pf1-f176.google.com [209.85.210.176]) (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 5E222125B2 for ; Fri, 26 Sep 2025 03:02:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.176 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758855752; cv=none; b=DgU2b91LbFsA/xyRQC5CHERTl45uvHru7ZnCJuNsxN4NoEs68171coK7dAjbGcI2ynQwjqGfgo15tg2G0ubioBkKdNCbZZRHuys7Rul/7pX4q5tLK+UXohq2VgpsslQaJAYSblOl9aaFgZiOK95tsaoL8adaxHz4+tD6c3KfTOM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758855752; c=relaxed/simple; bh=/i1PUEL7a+XYHJACeYGuykMAQoVl91tAtO2Y8t/8+ak=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=CmJoGiPRbvSdZXRkN1T9yJEa/mPKxd8iLPXDdSWJD0E+as1dEuULMXiNkM2nHeR926mw8Vd3vRS1O3XpodrtKL8yxQnZACujxQaqTHwJaYd9BQRErFhMxGyKIW5X8nAHOD/aKOBfHbZXr/wfanLeuZB+KSELX5sW2O87/O5HewU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZoPJTP0w; arc=none smtp.client-ip=209.85.210.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZoPJTP0w" Received: by mail-pf1-f176.google.com with SMTP id d2e1a72fcca58-7811a02316bso24243b3a.3 for ; Thu, 25 Sep 2025 20:02:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1758855749; x=1759460549; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=oAJYYsubH767ZAAG6Ssy/u0Z9S4icmj/JgueQ+Oc+lI=; b=ZoPJTP0wEwBCWqid0UFVgybhaGcOYCP6OEsKhXE6gknyUR0q4WjkD98jg0YN5jrPvs XuzzJdYJ8CIvN0/nRJe1cG1bqtREjaT3nMgrS858tFpph3xrlocb8BcwVZY8o8PlaQ6D jvAUzJS4XQxxJCuRI/IVVj0d1R0rQqkP0h/7x4860RSDalZyFlRIoLbseEiaSEaZ2IzB +Gb4dd9HtEo24TzwSYRjg1nqcLvPkEkIZzDLYqCoUsSxEvSdLgZQhDX76bARCBt4pr99 b0edDC2fFjuCO/Q6K+589bkC6Vrf8Ef7XXyRJof3L4fZAAFPaL1f3lbhPqBHeaRBDOIp mwXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758855749; x=1759460549; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=oAJYYsubH767ZAAG6Ssy/u0Z9S4icmj/JgueQ+Oc+lI=; b=Y5loXXMTQiTlVxDLSWfrKLxGjBIyzyndE509fTqaN3nZklsk9u5o7goiqcexhq3kJn fM37yTrUIaeDCil2mbVszVx5vsMGzC2NFiKjKdQH4U825LoxhrpMWGhREWu8mqq7DZh+ Cphc4oFzpjmBwIMPGTwznWI53CI7tuzxPdQE35UgAet1Yfj8ovDdoTTT2i6iX0jGEAnt uCVc5v+V+NsORYqmPIWS5RyBP61n4gzOmRWmPmokWvexXK/AvCEjwQoIEy9xq6ysIX8E wiDDQD/+rZ52OSlm2ytoJhwc288Jzh6P6nzK2rhAbGeTf6LUDNmOZoiW2x0eSXur9rke HOPQ== X-Forwarded-Encrypted: i=1; AJvYcCUcepDHgI1ocPjjK1zY1zmlzDXcHMSij9iH/p8zOjznQkV53LMHsRIgNP3uSOIQ4vehAWmYVqYwWi5Lv9E=@vger.kernel.org X-Gm-Message-State: AOJu0Yyo0TBmbylTg8awCooyQJTes1lzus1RRZ442u2+km7x5qQzniAC 2HrMTPPIT0xdTLGcjBYqqQorpnrtopShBRGkh7RFDvrVwL9psNZxXogj X-Gm-Gg: ASbGnctqMaVakgI0WFCOLVHKoLwc8gDUB3G30lk2oqAzGgJQzQuqEa822wgmxBmfHl6 JMam2I80vMrY3je7FsMf8pleFrzdT8L8mfwUuoQP9ofCErmntWBgs5plzZyJUFU20H6VJsF9lEW bimgsJGx0HjV8G2atIxzXrWwt/gj5bTQDLLzTKeEPVQABtzzRxT8wbSrid/+SLG2Jm7+/KSsA96 fLs0PnGEPMDKVxLm+ZwIBUxXPAAeW54rZkZkR+fw6tIhR6yruZb+Un5BIiOtGr2Qgpd09mwn37i W4xAPXQu2WFa0eD5yXpquvIBpBuFDVu0IrFdl4y6V5ZD4hSJwb20ncmJ23hyiq7BQVRNdm4qp57 1jl3WqieqL5cHV1yuX55u0uqUtb6AEg78W9DZ0niVAgn9/ACPMgWR1FHVFdtcWpiMaLkUpxFgY+ GyxJFUhgmU8sBWIX42eA== X-Google-Smtp-Source: AGHT+IGVVE0b3+ap6KgQf8MQgQkYuBpIvq9eSH0KSUWAfnMr6DmONE0rdbX167dWHQYcpP6jeWd61w== X-Received: by 2002:a05:6a00:1ac6:b0:781:15d0:8848 with SMTP id d2e1a72fcca58-78115d09690mr1084933b3a.13.1758855749399; Thu, 25 Sep 2025 20:02:29 -0700 (PDT) Received: from bu9-daniel.dhcpserver.bu9bmc.local (61-220-246-151.hinet-ip.hinet.net. [61.220.246.151]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7810238c1e8sm3225384b3a.12.2025.09.25.20.02.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Sep 2025 20:02:28 -0700 (PDT) From: Daniel Hsu X-Google-Original-From: Daniel Hsu To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joel@jms.id.au, andrew@codeconstruct.com.au Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Daniel Hsu Subject: [PATCH v1] ARM: dts: aspeed: harma: Add MCTP I2C controller node Date: Fri, 26 Sep 2025 10:59:52 +0800 Message-ID: <20250926025952.3098933-1-Daniel-Hsu@quantatw.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The Facebook Harma BMC uses I2C1 as an MCTP (Management Component Transport Protocol) bus. This patch enables the controller by adding the `mctp-i2c-controller` node under I2C1, with multi-master support. Signed-off-by: Daniel Hsu --- arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts b/arch/= arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts index b9a93f23bd0a..2b7019c55eb6 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts @@ -242,6 +242,14 @@ gpio@12 { &i2c1 { status =3D "okay"; =20 + mctp-controller; + multi-master; + + mctp@10 { + compatible =3D "mctp-i2c-controller"; + reg =3D <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + }; + temperature-sensor@4b { compatible =3D "ti,tmp75"; reg =3D <0x4b>; --=20 2.43.0