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 56B1137EFEE for ; Tue, 3 Mar 2026 18:03:41 +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=1772561022; cv=none; b=QXS74B4m7wWzgwEAH35h12xPBLn2O6XD62l3Y7Cfz/EWrB+zI0UWJMAo8ZksJ3ikGWQeyUT0I2+FBw1ktKY+fivRhPrJCNo+1ohabjvZZCEmsHUB0WJXz5R5QgWFTIO/WYaFLRHIakv/O6F9HXXxP7UVueyUw9A7YSYYlQALmfE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772561022; c=relaxed/simple; bh=AB8OA2Dl42/se4XWMP8WuLhYg0He20pFurNUqfcmIMU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pNatdHdU5q6QDVJer7ysG+5OdN+KMydLoAs9OGz1AdjPtalWoDL/O0X5bzzNhVrcFyjr3Nw4gF6Vxsov+G/SOQdn2za84yTXQuOHWnJtclp9JXAvoGwwsXSaztUm0KH8mWmEAwMt/hQJiFQZbVao6ISeIeKJRZau8b/zmoae+9M= 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=W1g5XVOo; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=YoQf3nkc; 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="W1g5XVOo"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="YoQf3nkc" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 623H0fIA4030593 for ; Tue, 3 Mar 2026 18:03:40 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= ySZ0KoZq2LhpQH8htZ/5AmkMgwyEGu6tXiMpty+Wwzs=; b=W1g5XVOoI2Id7AEs bvMPEf1azLRAFzGqJ/7QopNOwraQWnLkK+vHBxPGS1PTSuOKkgrEmrO9dPIVKH1b Jla+PBECtCvmLP9aK/bsijysOBqfWeYUcn37IqscPf03RVT7EEyyRlnCo9LGGWA3 iOwjblwNOWi1ZgfMT0JdIW6KYGMUme/WkkdxfEsurPd6aLSZRLAqRV4ImqHDmOlP 5okuRmVKF4Zgs8WzWloGnpEoE9OMSizl3n4zOmDs21PeFQSXOm6YBHt0kmBVXygK uF4HJXnOW3T9pynNuvAsrZQMRKvkRYhSFmU7fRHpGc1sPLfy1VXKNdU7KBy5zLtW K8spig== Received: from mail-dy1-f197.google.com (mail-dy1-f197.google.com [74.125.82.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4cnuqu1ygu-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 03 Mar 2026 18:03:39 +0000 (GMT) Received: by mail-dy1-f197.google.com with SMTP id 5a478bee46e88-2be21c6e2f5so17071625eec.1 for ; Tue, 03 Mar 2026 10:03:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1772561019; x=1773165819; 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=ySZ0KoZq2LhpQH8htZ/5AmkMgwyEGu6tXiMpty+Wwzs=; b=YoQf3nkcjiNXbIX1fofrF20A5C36afPA3YvHKZOWefO+LecZ5NUijLJP3D72Yzewwl 7YaqGrSVlpWnmj6Y5nlEf+07USoxGMWdABBHBlh0AC3/DUCUtcPj/lWEgJEn1jM5Bkms 9FKvtq9HKcrC1m5ghIkVIzbPmUwHCcfnhMxgFxZ5oIcFFcXxRmQD//DFlUO6CEJvUnjV LaBL0sRaTaRF4pYhF5EMtrpkNA5oAx3HswAt43xasqQuZhVHbmrU1tvXw9/duPasgouv jpw+5HG3gJJGqRQ/FAqhADSaKxZYPu/3tL70r6R7V75FAFxc69noBhjhHnLA9kiUcvCr mhkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772561019; x=1773165819; 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=ySZ0KoZq2LhpQH8htZ/5AmkMgwyEGu6tXiMpty+Wwzs=; b=a8cm6JksodE8L91vFCTEmAiuXxMus3XH/7X5ThEmF5Fmh/HSuprLkQwLtFyjq43OAJ sagQEx2YhFjPrtxAS0mVeWCFuT+6Wa/Jz97oqii329JhfbWpXR9CF4y7k+kpV0skYa4r Eao4393p9H3SdJqhtdoWlG72YoUgHe15yIHMRCX3grhBxGHPLUAht/8F1MWYlVFpz3sL eMg1rNg5JVWuZooiPJVo4ybjmxW1pZ2y7vYtD0hZEDc4Ks/v87rG4ch59fQ+l8wgqNi4 Giv7OsfZwkfFYCazV3p7BdVih0CDuj830Bf+ZW/AbwGdjHrjpfjIU13ZqtrHbtFe7ALt KGaA== X-Forwarded-Encrypted: i=1; AJvYcCVBhE1z+m8ZkNPciCuLfd1AdZ0jx9yyho5YKGvFemIHHhQqCs+oH2dhkTHUKvfK02Xi73WFkMkLpJnvL2w=@vger.kernel.org X-Gm-Message-State: AOJu0YwotTza+FwIRry1+sNEp3eovOi5DT7kmKY5rqGtQnK5ErkMGw45 V9bC1iahoAyHnkK8U3ClGAKIkO1UfPJ/TkcjPTVzqVFtC+07HBiZoA9EEBEBcfxJm7CE9qJfgbB RZymkeBwJmRDf2XyVlioHoAMz9t1HUAs1RPibU9mvI/HcNjbrfaM9sxdOr9AXB+MNbV8= X-Gm-Gg: ATEYQzwI4daZLhCl225/ko1RPkifH3+Qf9jXG5cjsZ0tTcsG6vpFijfJj6H17SCjO8m 909/qNpkORUeGmmZTP4l9xGt51EtxnLT+qs+9SQlG1Ou8OwXb5hsFX2AS66ymcdlr0fC8lPEXCW f5BpC2VJZDybo266N1Vg9qZxqwqYBjJQc3d5/md3s1vX8YS8IzuULnxJX3TlF0aSSliNzYil5u1 zkSkjDB6un8QvJqW2DrRKyfK5ChoqIIK16PL7viSpuwOw9GU5pfiNpN3i3c9DTANK8u0EvDL34Y 6IUqdHohKHXQLb3tjfqh6juVveewYbSbruxvDHcOvvgKsdBKtLm8QS7eHbxv9Ge4a9wv2U9lMm5 bHJFdgkDP6XGecNyMluf73Fotkp7Prn1Vlm24dOXY0j6gt75isu1HsLFm X-Received: by 2002:a05:693c:630c:b0:2bd:f95b:445c with SMTP id 5a478bee46e88-2bdf96a9f26mr3759778eec.33.1772561018717; Tue, 03 Mar 2026 10:03:38 -0800 (PST) X-Received: by 2002:a05:693c:630c:b0:2bd:f95b:445c with SMTP id 5a478bee46e88-2bdf96a9f26mr3759741eec.33.1772561018027; Tue, 03 Mar 2026 10:03:38 -0800 (PST) Received: from [172.20.10.12] ([172.56.179.142]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2bdd1cefd7esm15182247eec.9.2026.03.03.10.03.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Mar 2026 10:03:37 -0800 (PST) Message-ID: Date: Tue, 3 Mar 2026 10:03:35 -0800 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 1/2] dt-bindings: phy: qcom: Add CSI2 C-PHY/DPHY schema To: Bryan O'Donoghue , Bryan O'Donoghue , Bryan O'Donoghue , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong Cc: Vladimir Zapolskiy , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260226-x1e-csi2-phy-v3-0-11e608759410@linaro.org> <20260226-x1e-csi2-phy-v3-1-11e608759410@linaro.org> <676e2a9f-d274-40fa-988f-e9388ba40f71@nxsw.ie> Content-Language: en-US From: Vijay Kumar Tumati In-Reply-To: <676e2a9f-d274-40fa-988f-e9388ba40f71@nxsw.ie> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=M85A6iws c=1 sm=1 tr=0 ts=69a7227c cx=c_pps a=Uww141gWH0fZj/3QKPojxA==:117 a=393jXSRlBufqMOIp+yiRFw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=gQ32FRLzBq-2T08LLFUA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=PxkB5W3o20Ba91AHUih5:22 X-Proofpoint-GUID: ivFD5jnNmMlHbyxxBctXiYsQCqezdrTd X-Proofpoint-ORIG-GUID: ivFD5jnNmMlHbyxxBctXiYsQCqezdrTd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzAzMDE0NSBTYWx0ZWRfX+1O1LnukT7r0 NCOhTm4uu/E1mK04FMi1yQcg6cWSxFxNbSOdeGgw9UVdg2xatl66H+9OkoplCHgS4gqDAmjVwc6 XcJTT6YMkAm4Zw9hnXqAqrbeQTL42mO7+dKTVgSNovkQYbEG98O18PE7PKDmeSySKlBHQ7AallD pKwvxtGXawqkvt66Fu4ENI6NkEZavJLWgp2roUNbMMmaV0XBBEgU8QIfPvL4r/tB7N2jPV1I7Lh SERmGDRLIlk0dlOrMJQeARwEk7HUL2BjhP+aSTiel9em1ZQUnYpfBbvNScjFPtbu2Q1x5TDLuU7 sUpSGmRUCz2LdHFvQ5Gy0FKt0w/vWSYy2Ca6G09+uA48d6BUb3SZr1gvTIhHwj9+5U8JkG6d82e 8y2ZxTFrmnk5nsrtGVeoBqNNwJwE/PGZCmca26zuefjFb/Q0TYiuxQSjZ1h6+24DVt84BHEic/J NXDdg0BDZD9LNYL+AXw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-03_02,2026-03-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 spamscore=0 malwarescore=0 adultscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603030145 On 3/3/2026 1:30 AM, Bryan O'Donoghue wrote: > On 03/03/2026 09:27, Bryan O'Donoghue wrote: >> - MXA - first time I've heard of this rail, from memory I don't remember >>         having seen this in ipcat when I could do so. > > Yeah no MXA isn't a required vote. > > https://lore.kernel.org/linux-arm-msm/9ff1645f-b2c9-4c1a-ae2d-96af416b08d9@oss.qualcomm.com/ If I am not wrong, CAMCC only enables the power domains that source the CAMCC block and it's register access. And for that, it only needs those power domains to be just enabled without any performance vote. Based on her comment, if MXA is always enabled (at min level), probably CAMCC driver doesn't need to enable or scale it explicitly. However, the camera devices that actually depend on this power domain for their core functionality need to scale this per the core clock corner. I can double check though. > > --- > bod > Thanks, Vijay.