From patchwork Wed Jun 14 14:24:23 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: 13280119 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 8C92BEB64D8 for ; Wed, 14 Jun 2023 14:25:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235239AbjFNOZe (ORCPT ); Wed, 14 Jun 2023 10:25:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245707AbjFNOZD (ORCPT ); Wed, 14 Jun 2023 10:25:03 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91980212D for ; Wed, 14 Jun 2023 07:24:49 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 35EDvEIL008230; Wed, 14 Jun 2023 14:24:48 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=xeJ42vzI6kcLTQ1YH7JKlCqrtOCvO+glj/2ez7F6UEQ=; b=JmAXPkwx+sBlqvjVQipWb5EjFORwywC//3pTG/TKxUs6aCu/ECUxSx4D4yrLN/WgoQwP +HTYbjNKHgzEGvQF9JZMw3xBD707IHCxlfYpPm8e8cA66bG3tnK3zDJd4iHIxCZwL43/ GfqrtiYRtkSMM2rfBgge8Rp5HlX2LqVnGctG3cUtdYJkpZZ5tVNBzLjXCL4AY4oJobze u0+JkkssxWvkeOZcXb0nFyZw9v8QALYI2/vWmZo7g/N4ZvYlimirl2wQl6l7Eqk3z2Cj 83PqWGdmHQZOZnWxse2lYBcoidft56A4fJf2SCvK5Zh5vSgHXrfB/zBXZsBDSwURqa+J Dg== 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 3r6vx8270u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 14 Jun 2023 14:24:48 +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 35EEOSOe027279; Wed, 14 Jun 2023 14:24:28 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 3r4j8m2a8m-1; Wed, 14 Jun 2023 14:24:28 +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 35EEOSta027265; Wed, 14 Jun 2023 14:24:28 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 35EEOS7r027264; Wed, 14 Jun 2023 14:24:28 +0000 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 4058933) id D217F3DF9; Wed, 14 Jun 2023 19:54:27 +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, konrad.dybcio@linaro.org, Krishna chaitanya chundru Subject: [PATCH v4 0/3] PCI: qcom: ep: Add basic interconnect support Date: Wed, 14 Jun 2023 19:54:23 +0530 Message-Id: <1686752666-13426-1-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-ORIG-GUID: vvFruIEXePo3id49vRF4JnYK1aEikS6O X-Proofpoint-GUID: vvFruIEXePo3id49vRF4JnYK1aEikS6O 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=2023-06-14_10,2023-06-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=621 clxscore=1015 impostorscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 mlxscore=0 spamscore=0 priorityscore=1501 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306140125 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 v3: - ran make DT_CHECKER_FLAGS=-m dt_binding_check and fixed errors. - Added macros in the qcom ep driver patch as suggested by Dmitry 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 | 13 ++++ arch/arm/boot/dts/qcom-sdx55.dtsi | 4 ++ drivers/pci/controller/dwc/pcie-qcom-ep.c | 73 ++++++++++++++++++++++ 3 files changed, 90 insertions(+)