From patchwork Thu Sep 21 21:48:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 724887 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 D7315E7D0B0 for ; Thu, 21 Sep 2023 22:03:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232895AbjIUWDW (ORCPT ); Thu, 21 Sep 2023 18:03:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232884AbjIUWDE (ORCPT ); Thu, 21 Sep 2023 18:03:04 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B35BD137; Thu, 21 Sep 2023 14:49:40 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38LKjbbP031840; Thu, 21 Sep 2023 21:49:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=vqgnZdckmuHqwFaC8TZurCxmlWYXa/Ehk007pmQMbZ8=; b=RLqeTvYK8NDf70WL110kS3Kmpn4vXDYKGCWuHGU/zYoowJ3GJLD9ozxOr87Bg16eN9Wq Zd+JAuDmK5emcvQreXD3dHiXdCqVpWdu/2a+mqfIIv9PQY6ezM3fUlZWQB3wAqynNxVU 8nmwtweVUnC3XSZCFu/o2PR54BYI+mitnInf3YiEimMe4+JWKAjeQBfrCbCAheX3OfbN KDSNmBVbTC59NYPqrasWebIhO5j3vAcxCeKjDbv2kzLD93Ovbpq8h0gmSCkjFDD5u/3U 6zjVgq6YVIzt359S+B4BiIt9jMifxXZsYKqrkjVjHvP2kUFnpaplHqDfSERLzx1zEuMs nw== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t8uknr96u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Sep 2023 21:49:21 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38LLmv5M032099 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Sep 2023 21:48:57 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Thu, 21 Sep 2023 14:48:56 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , Wesley Cheng Subject: [PATCH v7 13/33] dt-bindings: usb: dwc3: Limit num-hc-interrupters definition Date: Thu, 21 Sep 2023 14:48:23 -0700 Message-ID: <20230921214843.18450-14-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230921214843.18450-1-quic_wcheng@quicinc.com> References: <20230921214843.18450-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01a.na.qualcomm.com (10.47.209.196) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: ycws4Fa1Gky-xCbGcyQosTgpE310_DID X-Proofpoint-ORIG-GUID: ycws4Fa1Gky-xCbGcyQosTgpE310_DID X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-09-21_19,2023-09-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 bulkscore=0 adultscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=603 priorityscore=1501 phishscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2309210189 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Ensure that the number of XHCI secondary interrupters defined for a DWC3 based implementation is limited to 8. XHCI in general can potentially support up to 1024 interrupters. Signed-off-by: Wesley Cheng Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index a696f23730d3..1be78be1805b 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -376,6 +376,10 @@ properties: items: enum: [1, 4, 8, 16, 32, 64, 128, 256] + num-hc-interrupters: + maximum: 8 + default: 1 + port: $ref: /schemas/graph.yaml#/properties/port description: