From nobody Tue Feb 10 04:57:38 2026 Received: from mail-pl1-f193.google.com (mail-pl1-f193.google.com [209.85.214.193]) (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 4AAC0314B72 for ; Mon, 22 Dec 2025 11:26:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.193 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766402768; cv=none; b=K5jtGZQdy/TingeVYejZsfj7UEgv3hosctSC0lWbwLR6KN7EU0cWQjhNE3KSWJ1V35j+DeCVgGp9vSZT0dXUR+Ymbl+NFrnYzenkRXV2FLj/v5wj1DOYPJinxAwkokEKxEBYgqvYBolCRLdj/lP4PsnZCqeUwK1gKsi9TPs8K1s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766402768; c=relaxed/simple; bh=AYuzuGSC2KyBdpb8hlYBY4+KTfc8mfuG0hrKUlWN6X0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=dECdRk7bs9PhvgKu1qNDLMteemLd1lhFnsjXjeLUTP2Y6bpKJh005Izo4KHBzBljngKVpYeV6cT2h9qcoc/qoBOiDeU2DQtnVdFzZdAEhu6eEWJviO7mf7FK8M9DbSLT8yLpWWcg4WyGq+AIa5aVTjEAwNcavhEgFwkQZlrXc3k= 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=Z+UPvSma; arc=none smtp.client-ip=209.85.214.193 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="Z+UPvSma" Received: by mail-pl1-f193.google.com with SMTP id d9443c01a7336-2a0f3f74587so53424215ad.2 for ; Mon, 22 Dec 2025 03:26:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1766402766; x=1767007566; darn=vger.kernel.org; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:from:to:cc:subject:date:message-id:reply-to; bh=YPgDvOrc6Z6FI66bGWH7nZrKKPg18xmDLr/yqLIfNcs=; b=Z+UPvSmaRevTmhsU4azvQzcn9khRl6gWEyzCUM3Uzjy7jCJsXQijltxOyjfcmV3wtG iphHKFP90g/7Pncfsb9kZBgo4P3TBx/hj2rA2xcH7urr5S3a3jc5xFv0DgtKuH4hqoXf cRcmy9ebnysroKRlLPc4l2dlRvi9f2ezyJDyg95HVe87tTY4KN3FNtoQkigBeMkIt3JY upowqW+pTBLll4pMmmlclysjcoYyJst5TS6HQ4OORqSEEz7q3XcrYuJDRp0VW/WFCVY5 YkjMO+Tmz9Kr/Eil+8uEdw71+batePxi4ekwXoKrxpTW84I3tZ1suZA/a7P0yPjuG0tE PcGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766402766; x=1767007566; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=YPgDvOrc6Z6FI66bGWH7nZrKKPg18xmDLr/yqLIfNcs=; b=GO/T3q1F+VX6XpX0RTGviMzaZ6clCcWsLrWp9b/AWVOVy1zg68CFTXUZnBZxB5UjKr wRWR+BoG5fRzrmDHa72Sk616WSsXYfudoh6O8IRHACPSxjmEX5UyS1wC1V+1iVhhnVV9 rKREbmB40F/wxglKdUA5Cla7eZs12tyZz4Y8OItS0cd8S9DQF6v7lZBfknlJu7qK7fmP skcOBuk/4oSlMZ4J4onLrhvbyrKCBwagRODdQWolwdkV9PVG/n2eK73tnFHtimF1eTTB kTq/3MrucRIicKJ81C9n1GFX9iYHqqwQt5qxs2HpRsfqhLsQhVSUOzp6JeSvWgi3KqPX Hzsg== X-Forwarded-Encrypted: i=1; AJvYcCWeNNd8FJ+G7rOFX+oL64t5rdUs7K/2d4K6oaOWeQU3W4MWGXarzJAJGAf9IOf5ywtjhZEN8B0CM12MeK8=@vger.kernel.org X-Gm-Message-State: AOJu0Yw539oW5eV1PW0vXObl8hutYotmtRXMTZrPnCg7uE9LLzgr5DPz VBtymlFtBmg/hioGoxpNwN4LWXRMVePNDv/DEiaYI9qKcqL6o/E9kG1C2tXaoj9H35U= X-Gm-Gg: AY/fxX5Yan/Sid5vbld+Eggskkuqy7VTFd6lmRKWG7lCRQyo3avdC+b8GbEWYrfMtTm f2VvMcjj5kE7qKdQXMCKUQ9+oT3YDpY/LUlnpIcZ4hyFbwI4d/Xmq/4TR2AgJ6GNshO7HElIZej oUtAnqxmTnggMi7Nhkkawsq3cDK0cvARwVMNo5OA/tsDpqpfo6aZG4TDdZ89rmwBpOEzYU4Bcj1 yBpUV56HnUPGAzmbQXrpHyFqXpeqfmZ+t54qnAV/45T395xYZ0eP9poqDvJmHarKlcuBnB0QKY7 WgPePJKtjUj1G2ZA2fIVLaUqJ2R0xE1yZsOs4PEoEfmwl297N4Xmi7xoAbwilFk6EUWMhSx7FXg 3OmLGVejqlIAEIBBxY6g0zket6MxbjwFGJ+PWKmrFu+d3jZyeN3gxvRBRTZg6PwjuLv0UE7LRbD ME0qf2XvsPln0E7a6Qedpg9TztsVrcZn+az1mcWnnytomRLjluCsI/sfB7znxldGq1IdDH3eydL 1dWGPFXcx3//r1/OBaIFca9SedJiUAOn0AnVozuXLuDCesDNN24jzyX30/YzyyWbCi3GVbjyz5D IY7+rum5pVbp X-Google-Smtp-Source: AGHT+IFYHl6Ami/Fr/cAqd6c4FtIqedeodym7KvXuloCEE2tyym65FcGKbybdqQRLNMA5fqUBmjjcw== X-Received: by 2002:a17:902:dac8:b0:2a0:ba6d:d0ff with SMTP id d9443c01a7336-2a2f223177dmr104463525ad.16.1766402766457; Mon, 22 Dec 2025 03:26:06 -0800 (PST) Received: from 2001-b400-e3f4-8350-2c3b-65a6-c562-3201.emome-ip6.hinet.net (2001-b400-e3f4-8350-2c3b-65a6-c562-3201.emome-ip6.hinet.net. [2001:b400:e3f4:8350:2c3b:65a6:c562:3201]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3d74bb0sm93937725ad.88.2025.12.22.03.26.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Dec 2025 03:26:06 -0800 (PST) From: Kevin Tung Date: Mon, 22 Dec 2025 19:25:29 +0800 Subject: [PATCH] ARM: dts: aspeed: yosemite5: add x4 E1.S expansion board I2C mux Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251222-yv5_add_dvt_e1s_ioexp-v1-1-25ad202d2681@gmail.com> X-B4-Tracking: v=1; b=H4sIAKgqSWkC/x3MQQqAIBBA0avIrBN0MqiuEjFETjWbEg0porsnL d/i/wcSR+EEvXogcpYkx15gKwXzNu0ra/HFgAYbi4j6zg1N3pPPJ7FNJAdfQVvX1YaNa42robQ h8iLX/x3G9/0AXWt1MGcAAAA= X-Change-ID: 20251222-yv5_add_dvt_e1s_ioexp-14930e048043 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, Amithash Prasasd , Kevin Tung , Ken Chen , Leo Yang , Jackson Liu , Kevin Tung X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1766402763; l=1757; i=kevin.tung.openbmc@gmail.com; s=20250924; h=from:subject:message-id; bh=AYuzuGSC2KyBdpb8hlYBY4+KTfc8mfuG0hrKUlWN6X0=; b=iYN6qeY3wMD3HyqlgwpbWDH1W7gTGl8fAskNUaffziqK0UPHS3mck0rJ2kDDIHYmNBvQUCArK vhpDUVX53K3BPZiIFMuykl32cWhjNLAUTP99xQQnePiTvK7hwbhJd8v X-Developer-Key: i=kevin.tung.openbmc@gmail.com; a=ed25519; pk=PjAss0agA0hiuLfIBlA9j/qBmJaPCDP+jmQIUB6SE7g= The new hardware design adds two additional E1.S devices behind an I2C mux at address 0x73 on bus 10. Add support for this mux in the DTS device tree. Signed-off-by: Kevin Tung --- Summary: Revise linux device tree entry related to Meta (Facebook) Yosemite5. Changes in v1: - Add x4 E1.S expansion board I2C mux --- .../dts/aspeed/aspeed-bmc-facebook-yosemite5.dts | 23 ++++++++++++++++++= ++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts b/a= rch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts index 2486981f3d6bd36f3fe780b21e834b85242f8aa9..87524892322c1388c146b33ac45= 4018a31dad168 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts @@ -31,6 +31,8 @@ aliases { i2c33 =3D &i2c30mux0ch1; i2c34 =3D &i2c30mux0ch2; i2c35 =3D &i2c30mux0ch3; + i2c36 =3D &i2c10mux0ch0; + i2c37 =3D &i2c10mux0ch1; serial0 =3D &uart1; serial2 =3D &uart3; serial3 =3D &uart4; @@ -702,6 +704,27 @@ eeprom@54 { compatible =3D "atmel,24c128"; reg =3D <0x54>; }; + + /* I2C MUX on E1S x4 board */ + i2c-mux@73 { + compatible =3D "nxp,pca9543"; + reg =3D <0x73>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c10mux0ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c10mux0ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + }; }; =20 &i2c11 { --- base-commit: 9448598b22c50c8a5bb77a9103e2d49f134c9578 change-id: 20251222-yv5_add_dvt_e1s_ioexp-14930e048043 Best regards, --=20 Kevin Tung