From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 8B517449EC5 for ; Thu, 7 May 2026 15:24:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778167491; cv=none; b=hOLsp3cN8ghcOOIwGddxTjXXDI+CGpXpMATlPF3ISPrbIovtWXuOwY0LQSgoPQJd3mz3+3Le2TZNVv6NXtu80jiXrLFg5FyeJampp1oW7bccn8rjvxxhs/bjLQdkI4gpj2spBXKSWGaAIGarVRqG5wf4VKMu/aMJNOaffHAjo4M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778167491; c=relaxed/simple; bh=Yq9eZWlTIDpBT1jqRXA1YcQ7jewB4Li4nESrsfqdqxw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Aeba4KmNKjHOTeyIHJnhCpkTSTSAHzmth4WEJNO00GDfmw2zMwKNVGO2XguKiIabxIUYV9mmlIXKopXcH4ajjtSvBXNOXfD2wz63MjFdckDQd6qgLjpLtr2xBs76owE2BUyenqzC75bhDTPCTIxUPgJQX0qsdWobsNLtLCmvx/8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=PHIaw8lj; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=UqyYzGxt; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="PHIaw8lj"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="UqyYzGxt" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 647ADTfq026485 for ; Thu, 7 May 2026 15:24:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= z8YhFkwRRG7HQCuWlp0zuKi3fIa5ZkmTd/FI4268HU0=; b=PHIaw8ljGKMKOyXW JOMO0FrKk7092/z3zBfZ51Z0eshaRXz/CQjQi3MqCNsDNbb1qyI6e1z8L6NOHnkr a1T9wEdg+HlOXoTK3j8BvpPkfYpIYnQpUUdIHv3nEYEtQ6QuuHUsOFBNOYnw/w5k G2dlYAXt7ffweosKr94E6p9uMOyUBDLi6BeLLgIrCIfN6eB3m4+vWiIyvLUwJqUL IeNMZtKS/iDJbuF36Egxpn6xYoL4qBCCYwivxpddkuSgwv+10CSYj8MbKhHJIe0U Vg0yh/yatuoRZzZWNG2qQ3C7Gm1F+6hc4NFRkzcjcFx6rUa0Rh0SVRfIm84CrLFu IbJ5LA== Received: from mail-vs1-f72.google.com (mail-vs1-f72.google.com [209.85.217.72]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4e0k1t2kag-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 07 May 2026 15:24:48 +0000 (GMT) Received: by mail-vs1-f72.google.com with SMTP id ada2fe7eead31-61010bc9c12so615953137.2 for ; Thu, 07 May 2026 08:24:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1778167488; x=1778772288; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=z8YhFkwRRG7HQCuWlp0zuKi3fIa5ZkmTd/FI4268HU0=; b=UqyYzGxtw4RaQzs+Lh7p3NAX+TfIazBHUHl3Tt9PoIe22UEUWSag0zGZPWXj6nFdoa US9Pn74G3mNcsuuFo+X/XgxXikIOYw7eFIBrj8S9FZfN+nS2vLJ6YvI4fHxY5uJlQVUp crYdIPHBbNbwuzxZ1im8QrBxY/KxQg0B/eULb9Wh+WUNMUboYLovphyOOjUL9Zw3fI9r vcvXH6fmR6WE094U3VU8efcdFEL3jwtRYslld5EKDupMG10t5Xvd7TP3Fyb4+9XJ8Fd2 GIdUdFy1918mpYnHZwwBLB/0/YJNh/IJD552BSffi8RHc4Swpis0f4CYLisf+w/SU+S8 SFUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778167488; x=1778772288; h=cc:to:in-reply-to:references: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=z8YhFkwRRG7HQCuWlp0zuKi3fIa5ZkmTd/FI4268HU0=; b=kI90TIj5jsQZN4On7JhTPDoYHW9771Gq3X7K8fGpe7UBqLSgRfqSfM8nhM+w6/8A62 3pZDRWJK6zTMyt6up3NqxY3jowdoMmcZJ+rHVL3GM/cejhKaUYIHA7u9cc+1vBaaKQQ3 tdD9ahfG/brXc+Vv0PPIqYzK4VjsRO2wzlSJLDYMCwCcJjAINE83aDWyrEJFU4ricKOF +VwfLjNeaQq82LxyPI1cadDupZXJfdl1FZPH8P0Bsrhdf/nW5zaPDK4cg7FEyBHIxicR 2cYmDuTiMHwh0EqxbQMNCztOE3VWKXZ9AGSr6UgLj9/Yub07P/LzwFEUWRXwDzMOQpq1 goAg== X-Forwarded-Encrypted: i=1; AFNElJ9ZCj2mcpog9radSjeXuayX6ZUwHsCyWya0M5rKv0VuksvIJlVEOIiQGY0shqTXZTzMIJciXDFNqxRTgpvX@vger.kernel.org X-Gm-Message-State: AOJu0YwzuUGlHGWWiHW2YPajzYRSstSUf17leDm4AedmnCN8xFKk0psS QQRRtbAW4BxXj41kM6AIssyvijjDOFXYb7ft+ODZESpXim6IXsnZpuOBk6VuRm6WrGCs1eIK5OW vReCN4Lq8Wx8XVJmFmWeXV/0h4KzrIWavAJskQWyuoCxk+MuUR2Y4pNKgYc4Aq7WF9mt+ X-Gm-Gg: AeBDieuJENqQA08fVnqJ1WwmRXMPhp+cDy30uJ2kuksw/kMIWpNEI7oqGPLdlloY4Zb NgaOrM8wysRK81UsB+fgKyuTN5e35FEOrL1BMhq/RLoO9yERzofnrO/qBcqQDZuRuVZ2KPbw5Xw Rjq59QH1I06aQc31yyakmAbQHj079puzscv1j9Idd0Y0UWMWOJvGrsC3prdOij0wkpQqlfZZSa5 8eUB1wRacp1DRipwlSsBMRHVLMrjlu6EEZGxTpVMOi+lU5xJ0WyoswBSA9Osf07BLrEs3BE8eZZ Vfzebz+1xo7ytpd+ImtWcZ6E8+v7nPS5pZqGYsRdTafXgiwapaAxFpRbZHqrsjv3P3huZ+13ff9 mkidmaY7CqgRMye1SA0G8Mo/xId3rTO5C87exT7AWAyxN3pNrakcyeNeqc2hMa06MuL4GUwWaUO DQE/olsug4QXp9rzbpzP3n9J2vyKk= X-Received: by 2002:a05:6102:1614:b0:62f:c97f:aec4 with SMTP id ada2fe7eead31-630f927f4fbmr3735559137.27.1778167487874; Thu, 07 May 2026 08:24:47 -0700 (PDT) X-Received: by 2002:a05:6102:1614:b0:62f:c97f:aec4 with SMTP id ada2fe7eead31-630f927f4fbmr3735537137.27.1778167487442; Thu, 07 May 2026 08:24:47 -0700 (PDT) Received: from QCOM-eG0v1AUPpu.na.qualcomm.com ([2a01:e0a:830:450:b16a:3475:ec42:bcfa]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bca583dd7e4sm240966b.58.2026.05.07.08.24.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 May 2026 08:24:46 -0700 (PDT) From: Loic Poulain Date: Thu, 07 May 2026 17:24:36 +0200 Subject: [PATCH v2 1/8] dt-bindings: mmc: Document support for nvmem-layout Precedence: bulk X-Mailing-List: linux-arm-msm@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: <20260507-block-as-nvmem-v2-1-bf17edd5134e@oss.qualcomm.com> References: <20260507-block-as-nvmem-v2-0-bf17edd5134e@oss.qualcomm.com> In-Reply-To: <20260507-block-as-nvmem-v2-0-bf17edd5134e@oss.qualcomm.com> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Jens Axboe , Johannes Berg , Jeff Johnson , Bartosz Golaszewski , Marcel Holtmann , Luiz Augusto von Dentz , Balakrishna Godavarthi , Rocky Liao , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Srinivas Kandagatla , Andrew Lunn , Heiner Kallweit , Russell King , Saravana Kannan Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-block@vger.kernel.org, linux-wireless@vger.kernel.org, ath10k@lists.infradead.org, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, daniel@makrotopia.org, Loic Poulain X-Mailer: b4 0.14.2 X-Authority-Analysis: v=2.4 cv=EoPiaycA c=1 sm=1 tr=0 ts=69fcaec0 cx=c_pps a=DUEm7b3gzWu7BqY5nP7+9g==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=hFPe-bIbDLvfECHHD4sA:9 a=QEXdDO2ut3YA:10 a=-aSRE8QhW-JAV6biHavz:22 X-Proofpoint-ORIG-GUID: 8HFdrsDN4rPBZC_acLQetyff9eqs2Ilj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA3MDE1NCBTYWx0ZWRfXzVuQnhWmw7uT npMFzjK7qZKdqYQHz14csgsqYxRXdgKEogRQ8gQfYimTD7+0UgUPc11EUwonnNCYENnPvo3R5P9 Cn2hYlbV7K3xV1PL49KCxUBCve26dY5/oCJ0JcYBTMUhne0+MV/ULNe3ydSiCP438ao2aEXlgID 3XAEJ/wfrwG4tOEe+S5Rs9idht7KqGRINTXx+CfbUOFCx/p5rdMMOqMQb1QvQQp8DbeOobTy8+T xLsvrVVL1FhLZT5M6mXxB3IYoPwQ09GkzlKFj1G+KCeclbLvx+F6wMEL4fINAgBO32uxL7pIDKu 2St1mmXNyAIit0aYt/VDBJAeR7qLoaHprgl+bLEl3sjQt6bLmrdFfYWKPJHwSv8hrqDcDo3a22+ Ow8sQ9f5J9uPSCl6YJKSy4KKH/mEdLURbdKpiKBnz8NVJuHfpDLYfs4D4akAP9RH1tiD7d6UQRO VU3RhdrPkar04H/LoiQ== X-Proofpoint-GUID: 8HFdrsDN4rPBZC_acLQetyff9eqs2Ilj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-07_01,2026-05-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 priorityscore=1501 clxscore=1015 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605070154 Add support for an nvmem-layout subnode under an eMMC hardware partition. This allows the partition to be exposed as an NVMEM provider and its internal layout to be described. For example, an eMMC boot partition can be used to store device-specific information such as a WiFi MAC address. Signed-off-by: Loic Poulain --- .../devicetree/bindings/mmc/mmc-card.yaml | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc-card.yaml b/Documentation/devicetree/bindings/mmc/mmc-card.yaml index a61d6c96df759102f9c1fbfd548b026a77921cae..b21426a49cf1d9aae5b4e8e447b5be11b08c96bf 100644 --- a/Documentation/devicetree/bindings/mmc/mmc-card.yaml +++ b/Documentation/devicetree/bindings/mmc/mmc-card.yaml @@ -40,6 +40,9 @@ patternProperties: contains: const: fixed-partitions + nvmem-layout: + $ref: /schemas/nvmem/layouts/nvmem-layout.yaml + required: - compatible - reg @@ -86,6 +89,27 @@ examples: read-only; }; }; + + partitions-boot2 { + nvmem-layout { + compatible = "fixed-layout"; + + #address-cells = <1>; + #size-cells = <1>; + + mac-addr@4400 { + compatible = "mac-base"; + reg = <0x4400 0x6>; + #nvmem-cell-cells = <1>; + }; + + bd-addr@5400 { + compatible = "mac-base"; + reg = <0x5400 0x6>; + #nvmem-cell-cells = <1>; + }; + }; + }; }; }; -- 2.34.1