From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 05777280025 for ; Wed, 12 Nov 2025 09:47:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762940876; cv=none; b=keRIn2yRO899otkcJjzYuW1nyDg3BNxgsK3aMMF5ziJPHIfuj/+QgT1ANhXr21tBRlCH1ni6SxpZFyPDSmT6whvZZd5TsZjHCP7NOEu00IiKMPjz8v4ZfPD7Ok301zQLxmPXR8Ve3uOckebu/AhjfZqUZ7QMwDj19+QBRsmVmRs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762940876; c=relaxed/simple; bh=x9HZDMX3Zl7CIXyTCe51Kaaysc210oZGR++rzbzttjw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LMTnlza78mhW5CXY5BwFp3nqVvQ8vZiGsAdoDIyQGztijUsGwMeD1JRJExj60Da6b44SqT6GO0c0SYotlhRAEff+i4fvh/EZujgOktnQrxIp0vhFOhqZPYvdSvs87tZVLOu7fiMMur2hknvuBRhe8RCcsZb6R/WlTV+2WGCQG7I= 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=mw6t/RvO; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=dZiBoTSo; arc=none smtp.client-ip=205.220.168.131 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="mw6t/RvO"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="dZiBoTSo" Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 5AC7coBS3502230 for ; Wed, 12 Nov 2025 09:47:54 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= LP0rQwhtBnPbXDJLLh9Cb7GUk7T1lPnHvrnhjlBK9gk=; b=mw6t/RvOzawLe/O7 jAaHOnYA86/+4455aXIAk3wk5pIXd9CPeqaqhzPOkjVd7nvagTiMlJS3L2v5CLAE hsB5REIrLL952+Qizg25AnjYyfzR3w6Rje+XDXF+Vxp34FkVVM+tnXXdMBecmoyR HKdFSzB8LwByF4LNE/OcEIKbO9TK1aj6ezf6xGTUFckHl3wkXYsyrSAcIYdSIH6A KfqY4sq3KKZSrSQrTnFNYFQ/P3tigo77ofhIxsNZz1EP4wbqBB02+rMoievKdhUN 56K5OsWXlSezcx9adFwde7mf3b238ffq/cL9k9jlwvqHH3AqiCGMAfTAizcU5bLa FNYYVg== Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4acdcc1x66-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 12 Nov 2025 09:47:54 +0000 (GMT) Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-295ac7012acso2766405ad.2 for ; Wed, 12 Nov 2025 01:47:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1762940873; x=1763545673; 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=LP0rQwhtBnPbXDJLLh9Cb7GUk7T1lPnHvrnhjlBK9gk=; b=dZiBoTSoTukf1ObcIRJ9CNefIAHrTfVwCWvwCNECJwiBjVJh3me8pN3t8ecBfRVcH3 zETUj/7tbMoAzt0zd54RukVxqv3AEriS97xVzDej+4RYRWrmAm1+HfX0yGDh4YbnZnFJ c1raAogLomPx7+c6+Du2Rn31TVbDNi8TpD0ZYBkfgBwmiDF+cD0Z4aD8fvVe4gfs0ZYH ZAQsUtDQC292RplM+I4d3dcfmQXCrv8mYOIeaT/uKw59sjhb6EY338Oh7emGlaMSvEFj AL8rvcyAGV2brD9XFz+BHkfrxkivy7SglP4OC+iOA26kfKJivKPWZKsAbpONDmuVWic2 yeUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762940873; x=1763545673; 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=LP0rQwhtBnPbXDJLLh9Cb7GUk7T1lPnHvrnhjlBK9gk=; b=HVq8QqOFv0JZLdg4OgxQS+1gLfnxU5Cab1wiWokrQQ6/5nHnrzxVVeSbUaVXHU3wGD Nk0/cTDTiYHcRTuq7X2GbTXNrehhnsM/PrWea01p0RpOTugRirDmwPEtgvX9fKDfHdpG LIj5izD6c9DIh/ztWAlArtsnDW9FJL1szySyQsAa5z9AXpEvVrNig80bWB3KvEl0jFCv vcZDpCtMmbECqnmYFMytaLhZhQzrPTcN4LruUvNv0/rLPxO9aeqYEr9Jf0/H6tI/hJti tAEhbHwcW5cZCxivv0HIof4Gmc8FzMhb5we0282vgYfnOyhijpWgMlMF5dsjEj3uL+qY 2+7Q== X-Gm-Message-State: AOJu0YxkS5h0HbjWYTFiPm8H+2gA5YQzTcE2pwjrAfP4e8KYno1olGAP D/4TPNuRtOaIPW5HqUdBgk7tddSvUjcVuIs7D3DNDBmbh14Q9cMT6LxV9ZgBSai8gDskQu2IxXI y3QbUH5vzGgof4H4lPw/zzTn6RmhKpT6OhEtJ4xGAel/yhcJbBC5Y53qaCezaN8dq7H7eZNRa2F /s X-Gm-Gg: ASbGnct0b32EKrx70dO2T04i8a0f9OvM9buwklVy19Njfgy239LfdHNqbc8DwWhDQaM jsy/5xqVOs4rRGJVvNgb0j6J/4T/xA3GCpKqr949lgaKlGqjtCgGceFdaq+Rm5s5IYtFdTMYSXw R3mtcUynb6iPc2kx60ig0ntqAWxsjwcnsN/Far3BfLDBQCpvYxE0WuYE2G8pJzDD0kepVCXGfde Ld4WnpKYpWqtS8mKtCXfoEDr18dVvStd1B8Z43BS8OXDr8Aa5/LXayCuDpJKyHxBc+dlg5xZz8+ CbdCBV5zAJy+GsN3KceWCvNaaU/2W2CBW2P3QGnjvGndHtdwH5AcRV8B/YACoOFZtFr6itfrktN 0sU2omFYt1KpzGmFJ8/mJkqRHR98NgASpM72Pbo37/zhysGlSAv34AFRe X-Received: by 2002:ac8:5dc7:0:b0:4eb:9cb1:c290 with SMTP id d75a77b69052e-4eddbc9b895mr18101681cf.4.1762940354058; Wed, 12 Nov 2025 01:39:14 -0800 (PST) X-Google-Smtp-Source: AGHT+IGCn/jV7wFdg3W1AVfUFL8B7J0xd9T8o01wXhaCJP9H2hJuRKsMlSsXgVFBDzEZebZV6pBNAA== X-Received: by 2002:ac8:5dc7:0:b0:4eb:9cb1:c290 with SMTP id d75a77b69052e-4eddbc9b895mr18101571cf.4.1762940353655; Wed, 12 Nov 2025 01:39:13 -0800 (PST) Received: from [192.168.119.202] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b72bdbcea8csm1551575466b.8.2025.11.12.01.39.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Nov 2025 01:39:12 -0800 (PST) Message-ID: Date: Wed, 12 Nov 2025 10:39:10 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] arm64: dts: qcom: hamoa-iot-evk: Add backlight support for eDP panel To: Yongxing Mou , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa References: <20251112-hamoa_dvt_backlight-v3-1-f35b44af7fc4@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251112-hamoa_dvt_backlight-v3-1-f35b44af7fc4@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: iH7_CODpAB1BHpxU2sZZFtOvTGkoP1W5 X-Proofpoint-ORIG-GUID: iH7_CODpAB1BHpxU2sZZFtOvTGkoP1W5 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTEyMDA3OCBTYWx0ZWRfXzSTVyxavixT3 xLYPRIF5rg0Qe75h6n8xiUBrZhmwhHW+EithjzgD+dH4EjvMP7lAblxg/4bizLMUuWDUmvGby1F E2HZkDkzwJHgaGRqbv4eEGM0apdOkTcCT8zEXYobk5nRVJ88PUo7anuF5WumkgNYZbDI7xSEZ2M /5BL+Ajmi1a+L15dE6YWrv4fslL4fdIegmm6p27pRLQQ/gmVxZPFsMpPgyE+InMi5OdExrn7tI0 b2S+TOQmJ6e8f6UINkdZ7R8NR5OwGWw39Ow1kmlBG9W9NkvxS4oMCaKDNXRQaG719DlXqcnA3+H WHSpbfUiuEXxABZfrFNRWMlXlwPASFY1kNrHZbcGWWfrayFFklxsKPs3hCldF7tSzwFtPidaHDV XQ0ALCBBqXgeHCbf84WjYTJqpHvJpA== X-Authority-Analysis: v=2.4 cv=L/0QguT8 c=1 sm=1 tr=0 ts=691457ca cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=nPG1Do-yNho4o320QkMA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-12_03,2025-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 suspectscore=0 spamscore=0 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511120078 On 11/12/25 5:21 AM, Yongxing Mou wrote: > The backlight on the Hamoa IoT EVK is controlled through a PWM signal. > Aligned with other x1e80100-based platforms: the PWM signal is controlled > by PMK8550, and the backlight enable signal is handled by PMC8380. > > Describe the backlight device and connect it to the eDP panel to allow > for brightness control. > > Reviewed-by: Abel Vesa > Signed-off-by: Yongxing Mou > --- Reviewed-by: Konrad Dybcio Konrad