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 2D57B1E5030; Wed, 4 Sep 2024 18:27:06 +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=1725474428; cv=none; b=f+AQiNfYX3O5qC3kRSxFaFDuVg9lkkZ4oUq34+4R1XdE+RkSh8Xi4XNNKUiYsY3BThQ5O6v9g8rIK4KF2oU/EdKbUfy2VSfd6fuRtxr7N7rJXgWPgQDlvmxvU5I5lU///TVT8sXZ9K8n0k9WIFOR/iPOwjMMIB14q2YC2viH3rU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725474428; c=relaxed/simple; bh=AxuabCzX97feCzpb/68gmipCWnlZpmzIO6avHNJ3q54=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=NhRwpfjAurw2NOceAX+MDjHpxUZPqkH/7Foc2kESbtK0VzdjfcSVRObLi8t9RajHGp1qmTy9dVNTTKDXfq4XneqMAOv0E0knkdwV1+w00Ir5V8FvrdVMkUk8VZQZI8ARwbqL8t3r4FWcCf4MjY8KgDf7i7hAP6FJA0M7PIRM8zE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=NakPZ2Pt; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="NakPZ2Pt" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 484GT7T8009464; Wed, 4 Sep 2024 18:27:01 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= oGJgJ0+SAXepCkH4FDpJ9l1jG20sfJFijM2xWFcXdXY=; b=NakPZ2PtfgZzxS9z c6x//WSQIVOWzfHqjxUp2jMb7BsIgKFgjhsACEF/7zUkkh97ons/DWIfzYJYNr48 ZqR8qn3NI3SdD+aYEvJVYiEcQO55NVq3DvnSx7XzGxVq6yNkV5bJGNTik3jzHqYo QCYWc5J3hzj13Osm4DDgL+1Qmesih9SQqU23+h9iejB6QV7HVahK+tI4dEh9WFsX ZPWBZUhIYHjMHw67Ohow/83C5pS4byvKibnkBu42i79TeKHyOcKnDBwGpnNdCd6I PbV71AILv6QxswWceSIsrrR62E6/xnbUn16AIj4nkJinykIn013NYKJSJzJiVzjA pNS2zA== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 41e0bhmyaj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 04 Sep 2024 18:27:01 +0000 (GMT) Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 484IR0rc002234 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 4 Sep 2024 18:27:00 GMT Received: from [10.216.2.237] (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 4 Sep 2024 11:26:56 -0700 Message-ID: Date: Wed, 4 Sep 2024 23:56:52 +0530 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 1/4] dt-bindindgs: i2c: qcom,i2c-geni: Document shared flag To: Bryan O'Donoghue , , , , , , , CC: References: <20240829092418.2863659-1-quic_msavaliy@quicinc.com> <20240829092418.2863659-2-quic_msavaliy@quicinc.com> <9af7518c-45e5-44a2-bbb7-19ce7ed899c3@linaro.org> Content-Language: en-US From: Mukesh Kumar Savaliya In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: ZfEEzO_-xAAMCJMrfBQgASLp5rp1IckD X-Proofpoint-GUID: ZfEEzO_-xAAMCJMrfBQgASLp5rp1IckD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-04_16,2024-09-04_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 priorityscore=1501 suspectscore=0 adultscore=0 bulkscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2409040139 On 8/29/2024 3:31 PM, Bryan O'Donoghue wrote: > On 29/08/2024 10:58, Bryan O'Donoghue wrote: >> On 29/08/2024 10:24, Mukesh Kumar Savaliya wrote: >>> Adds qcom,shared-se flag usage. Use this when particular I2C serial >>> controller needs to be shared between two subsystems. >>> >>> Signed-off-by: Mukesh Kumar Savaliya >>> --- >>>   Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml | 4 ++++ >>>   1 file changed, 4 insertions(+) >>> >>> diff --git >>> a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml >>> b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml >>> index 9f66a3bb1f80..ae423127f736 100644 >>> --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml >>> +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml >>> @@ -60,6 +60,10 @@ properties: >>>     power-domains: >>>       maxItems: 1 >>> +  qcom,shared-se: >>> +    description: True if I2C needs to be shared between two or more >>> subsystems. >>> +    type: boolean >>> + >>>     reg: >>>       maxItems: 1 >> >> SE = shared execution ? >> >> --- >> bod >> > > Serial Engines > Sorry for short name. yes, SE = Serial Engine. I shall mention in brackets in next patch. Noted below TLAs too. > This is a good example of defining TLAs > > commit eddac5af06546d2e7a0730e3dc02dde3dc91098a > Author: Karthikeyan Ramasubramanian > Date:   Fri Mar 30 11:08:17 2018 -0600 > >     soc: qcom: Add GENI based QUP Wrapper driver > >     This driver manages the Generic Interface (GENI) firmware based >     Qualcomm Universal Peripheral (QUP) Wrapper. GENI based QUP is the >     next generation programmable module composed of multiple Serial >     Engines (SE) > > ...