From patchwork Fri Jun 9 11:47:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna chaitanya chundru X-Patchwork-Id: 690973 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 143F4C7EE2E for ; Fri, 9 Jun 2023 11:47:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230400AbjFILrn (ORCPT ); Fri, 9 Jun 2023 07:47:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229808AbjFILrm (ORCPT ); Fri, 9 Jun 2023 07:47:42 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B4C830F4 for ; Fri, 9 Jun 2023 04:47:40 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 359Av9Sx024877; Fri, 9 Jun 2023 11:47:40 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id; s=qcppdkim1; bh=2+ZrgRy9qQi2x78y9FkGhdUPshggCcu0iE2v7FHHAeo=; b=L8J+2InZtp/WmW+QmB8XcjfaJaXhnLZcUTTJKf2pf+fszg5xxHIv4xUpt85Is32XFh7F d1qfR71cbeNnubdJfMvliiwcx87Zf1rpuv4/1Htvv32VmF/R4NXE0zB1nKi1Xyb5OdvF zLbw5Jqft37cu6JGaRXr+85zlV2BTmcbbzAByO5G3K28zWg9Ww2rn7wbUHhAFLfq969/ IRJ23Fg+aQMBsMRaNHfW4K3XPaqFoqI8/T+REDZcjleb7xya/qcvt6R9KUxU4kitom0Z Dl7Ryxqy2YxO1NXHJ0rA790DbHxPJObB4hgO7HMYDIWY+KF9cemsYNaMdSdbIZK38xE0 Pg== Received: from apblrppmta01.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3r3w7drqdk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 09 Jun 2023 11:47:39 +0000 Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 359BlZEr004103; Fri, 9 Jun 2023 11:47:35 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 3qyxkmeq2u-1; Fri, 09 Jun 2023 11:47:35 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 359BlZ9V004097; Fri, 9 Jun 2023 11:47:35 GMT Received: from hu-sgudaval-hyd.qualcomm.com (hu-krichai-hyd.qualcomm.com [10.213.110.112]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 359BlYhK004095; Fri, 09 Jun 2023 11:47:35 +0000 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 4058933) id 3C0563313; Fri, 9 Jun 2023 17:17:34 +0530 (+0530) From: Krishna chaitanya chundru To: manivannan.sadhasivam@linaro.org Cc: quic_vbadigan@quicinc.com, quic_ramkri@quicinc.com, linux-arm-msm@vger.kernel.org, Krishna chaitanya chundru Subject: [PATCH v3 0/3] PCI: qcom: ep: Add basic interconnect support Date: Fri, 9 Jun 2023 17:17:25 +0530 Message-Id: <1686311249-6857-1-git-send-email-quic_krichai@quicinc.com> X-Mailer: git-send-email 2.7.4 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: shO_Sxd1xW-tt_Jh2IZv9Hk7lDIvnqd7 X-Proofpoint-ORIG-GUID: shO_Sxd1xW-tt_Jh2IZv9Hk7lDIvnqd7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-09_08,2023-06-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 spamscore=0 impostorscore=0 phishscore=0 adultscore=0 mlxlogscore=738 lowpriorityscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306090099 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add basic support for managing "pcie-mem" interconnect path by setting a low constraint before enabling clocks and updating it after the link is up based on link speed and width the device got enumerated. changes from v2: - changed the logic for getting speed and width as suggested by bjorn. - fixed compilation errors. Krishna chaitanya chundru (3): dt-bindings: PCI: qcom: ep: Add interconnects path arm: dts: qcom: sdx55: Add interconnect path PCI: qcom-ep: Add ICC bandwidth voting support .../devicetree/bindings/pci/qcom,pcie-ep.yaml | 11 ++++ arch/arm/boot/dts/qcom-sdx55.dtsi | 4 ++ drivers/pci/controller/dwc/pcie-qcom-ep.c | 68 ++++++++++++++++++++++ 3 files changed, 83 insertions(+)