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 5EF743B8934 for ; Tue, 10 Mar 2026 05:10:36 +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=1773119437; cv=none; b=tgfNh7kG+DBTj+SJcPNbHH6D+Kcsw1aWhxghr36vSZENvC5xVgAEflUK0TYSVuoBRYnGyjgYSWHv+JthznkGiL5OFtB1jTqQxmHjdwTsjGabz9lEL0EcDS7Yv6QGwb45VPhtavr5p6DZrCSSB/Ii2cduFCdsQEMbWOqNC3olYVY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773119437; c=relaxed/simple; bh=3yH4LiQCAVgPW+AtuR7/UJlQyLoqTEiDqSsitVTY540=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=oBUj82S/BDS7w62dT1KbM9xK9YHn2tgyG3dE60uJMTPJO2IBb/PiqZ4/rQejhcveD6A96EWofGc3iUGUbZPHuG8Vi2WoDL5ADniQGAWLqOtqU8wppSd4GaQebpZvcBeAO+jznI6XKKMkZEesfMn2+VmsCl+tZg9BxcgAhEPFMOQ= 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=gEeXQcxK; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=P9ZZtiUG; 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="gEeXQcxK"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="P9ZZtiUG" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 62A2ENJ92020540 for ; Tue, 10 Mar 2026 05:10:35 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= 4xACyr/eCMEz/lpRutUuKELpFSbY3SllWjRNOxMF0vo=; b=gEeXQcxKZGjBJr41 E4yyLFXHfIWuPChq44qLd5pDW0tQMGatkXLsqzpoZHdcsxFDG2Lbc4mOw5dSK6tK hIbWjF53Mvm16+g1cKvXWYTfok12KobDZgoFyqYFq/QMhL+Sm9cU3WkH5wpwlyC3 mY6uvCIFIhEnvvAGHk1tHOvv44QNqMcGF5htCQAmg6PL8vunWaG+LDXlUEKNLZs5 nUUq4/BopZzmP7zpQC5OKmOPVR6QS2xk2TlqQKgPbJk2qHPuDTMxs/lE/HilocSc tVEsjvJH/FJC8U2D2e3lYbcfLSpSiQ1RZ1FLlT1ZEVyVtt+qR5Px2VkERXVwrnbH lG8Xdg== Received: from mail-pl1-f200.google.com (mail-pl1-f200.google.com [209.85.214.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4csyhbtnjr-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 10 Mar 2026 05:10:35 +0000 (GMT) Received: by mail-pl1-f200.google.com with SMTP id d9443c01a7336-2aea7747aeeso707975ad.2 for ; Mon, 09 Mar 2026 22:10:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1773119434; x=1773724234; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=4xACyr/eCMEz/lpRutUuKELpFSbY3SllWjRNOxMF0vo=; b=P9ZZtiUG3bPTPMWJA+/ENzzkHhu7tvj/SINTiiynNRyjodbEfG1GhUmUbfiof/GTV6 GhwEaNkioZBNUkVSXB9MZoq3cG3Bswwd8eNV9UR/+MYoQyXR6wu3qPjAxPApimG/PWk2 4BoEr28s8frf+LC1uwULtEWy8vmIjorZcJ+1AWRdmSprB4wPyPPv3ihYMsP/yL0ooz91 Ur96GhqsIngrZxkCqydkvMWWccQfo19yFbWxOwTbB+65VvtLKfGpFLNGh71noeYh2klg EBuu5ZCX+g6vXu7mltPVrxtLoBdbvF6iJkxpQrVfxB8qwEjFa2GveSytb5hbr/sZMmBr Rn3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773119434; x=1773724234; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=4xACyr/eCMEz/lpRutUuKELpFSbY3SllWjRNOxMF0vo=; b=r5PlqmmY+iYQR5+RJZDICkwLIay4QqExx1rCiehQ1ali4s+bT8r0AtBuMQK9EVRJoL zANLvdE9oPeWUiTXJu5OvYNpvP7qmBeNU4sdeAvG88GRNr9BLe49Sd8QlS09RzWu1OLU M544//54C5AY+TXVmD3FoYhBSqqEaj1QWg3rQfIky5owhlqUuA17791MYBgaiUM62mnt 9/25/KKB1ZY2rreW4mHQKpZwFFyTkkvNh8YTHLBk1iIWTkesPH1TKid8TML78MZ32SuT 3JAymoNHdeI3r+yIUHINYMb+XsiIZqnt1w7MthIKWEyXOvLfWN3YMRLwK1mN0JddCyhT OZsQ== X-Forwarded-Encrypted: i=1; AJvYcCUBVF/RlCI+Gh0gNUstHH7g4hOwiA83dY5tswmJazniG2hPfDywS00c39U62oHFe3b9Xf1htwqp8ekPvCQ=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1hVBy2L/1yPYQAUykgfmv82LjPIEUdEJ98pGWv/OjPxW9atff Gy7W+qKFzAINvgpOkfaeBCUAVn4/7k/vguyzcxHXRGkPpL/Ti6h4DveLqf4Lv5lHRphqLEJlyKD UWuBI8bGnK8X3vLATe0zj+Twy+cnzsXFsrJjuFyyO+tyCNMQRmOSuOMhRmrup8Hdh5tw= X-Gm-Gg: ATEYQzwjArNcRUX5TfVwdx4ekQXgOK3KdscZXSFpmgN2Wa4xrBhpNuO+WWUpZb6ztPH 557L6kSh4Z7RpJ8fm8p1Kpzgj6UhNrgKWrPakgwOMpb0ub3vxa7bPF5MFqR5LeWCw5BEnssECMq 6KljjWJSEZwQ2TwL8wx4UhOYEm2z5R4ssekQgfI3vAaQmvXDYbVFvpeG7jnmnELS6uXzLMHQGlS ZWhpNySZFbqHFxig5Vu0C2Ar79ZsfKXG+WZP9siunLh4pYaE7+fmBPYYUOf85O+p0IDP5PBuu9d qcmRm+kvUaUJdkk36GhA+4HLL5vvqvXnupuJwNq5xaN5001Xz5mUCdMjlhnSepHpASxDIE51uLM O8JBlriCyIk8QfNV95Kr2DlHK4UMbZ+KXy2g+oQ4vLVZ3PHUVEl0= X-Received: by 2002:a17:902:e790:b0:2ae:3afc:eb38 with SMTP id d9443c01a7336-2ae8246be8cmr135644485ad.41.1773119434251; Mon, 09 Mar 2026 22:10:34 -0700 (PDT) X-Received: by 2002:a17:902:e790:b0:2ae:3afc:eb38 with SMTP id d9443c01a7336-2ae8246be8cmr135644135ad.41.1773119433756; Mon, 09 Mar 2026 22:10:33 -0700 (PDT) Received: from [172.20.10.3] ([106.216.228.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ae83e78f6csm178723905ad.23.2026.03.09.22.10.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Mar 2026 22:10:33 -0700 (PDT) Message-ID: <65d45dc6-a3f7-4e5f-af53-8f54f1f5502f@oss.qualcomm.com> Date: Tue, 10 Mar 2026 10:40:26 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V3 1/5] dt-bindings: embedded-controller: Add EC bindings for Qualcomm reference devices To: Dmitry Baryshkov Cc: robh@kernel.org, krzk+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, bryan.odonoghue@linaro.org, ilpo.jarvinen@linux.intel.com, hansg@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org References: <20260308233646.2318676-1-sibi.sankar@oss.qualcomm.com> <20260308233646.2318676-2-sibi.sankar@oss.qualcomm.com> <6wim6vo626jy627k32nlhxjd5dh7cvvwxraqyv7uujfgbo5p4m@cesxgplycnpm> Content-Language: en-US From: Sibi Sankar In-Reply-To: <6wim6vo626jy627k32nlhxjd5dh7cvvwxraqyv7uujfgbo5p4m@cesxgplycnpm> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Rcmdyltv c=1 sm=1 tr=0 ts=69afa7cb cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=8nKWbjjLc7jCNgWBIcU1Yw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=JntA-IUrK3sPUjGN3KYA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEwMDA0MCBTYWx0ZWRfX/+WAIut3Qi/G EWEZDdkIz1O2WQV7OU/dJ5KKtZPWeYpzqWyg3E9VWJQZm3v1c8dpMt9hOyCsHJoslbynwyYtMTN sm5OEMD7YSBrR7RWGcaEdmKGxB1LEq/rMqY4kllnSiPh1lOj3260xjF8zo64davmySe+P+XahkQ Mp4wCKUBpX9ntSCHLYUrPuwnRKXwUOhAo/m9+zFY8B2Eb6dP16iPj3igazwoKJVjleqedQIVroe PkiWZzDP7SwxLFJXKHTbX+eJRwghzWeZZ8u8K0XvkGZtUbSzD/eSN4Wl0M/oi9MiothEHyuvj3F E5RDHAtYVe+ORrZUmmIPDNKI30zb1ciatsiQr6EN1mdlFIvqk4Djihx9BbbMJOuvLQNB4/TqBTT 830NEwDUdmgY/och11WT542Li9p9DDM18OFlOW+Xy8rTIVl8dIAeIg5ySXDIVGH4OwKiGoeablA S2yz3XumtMaI64Ui7pA== X-Proofpoint-GUID: P15S-fnln6klKouLgozH9MQnkC5KDfP_ X-Proofpoint-ORIG-GUID: P15S-fnln6klKouLgozH9MQnkC5KDfP_ 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=2026-03-10_01,2026-03-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 suspectscore=0 spamscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 bulkscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603100040 On 3/10/2026 2:36 AM, Dmitry Baryshkov wrote: > On Mon, Mar 09, 2026 at 05:06:42AM +0530, Sibi Sankar wrote: >> From: Maya Matuszczyk >> >> Add bindings for the EC firmware running on Hamoa/Purwa and Glymur >> reference devices, which run on IT8987 and Nuvoton MCUs respectively. >> >> Signed-off-by: Maya Matuszczyk >> Co-developed-by: Sibi Sankar >> Signed-off-by: Sibi Sankar >> --- >> .../embedded-controller/qcom,hamoa-ec.yaml | 52 +++++++++++++++++++ >> 1 file changed, 52 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/embedded-controller/qcom,hamoa-ec.yaml > Looking at the DSDT database at [1], several laptops are using the same > protocol for the EC. Do we plan to use this driver for other > Linux-supported laptops too? It's very likely that the fan control/thermal bits are identical so re-using this driver would make sense. That said we have no insight into how the EC firmware is extended on the other laptops, so adding support to them would still involve a bit of experimentation and access to those devices.