From patchwork Wed Mar 8 23:57:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 661012 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 60039C678D5 for ; Wed, 8 Mar 2023 23:58:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229845AbjCHX6c (ORCPT ); Wed, 8 Mar 2023 18:58:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229692AbjCHX62 (ORCPT ); Wed, 8 Mar 2023 18:58:28 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C21670427; Wed, 8 Mar 2023 15:58:27 -0800 (PST) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 328NZG2c028864; Wed, 8 Mar 2023 23:58:09 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=aXsEV3y2bl7eqjYl5mEFgf9/hoY3GoZOXqfzmgjwui8=; b=SIkMfVnsTX7iza8dhnmL0p2BRyKEwXYT6xOFvrLJnZMtq5HNgbw0BiWgUAsVcit1jvzL D+rKI0gSATZJF10GxotACKfOi4kHIKzRTv4SiErUl/S9Lj6Ltg6qjMA54Vf4cf9W4uZW QAyox2CSf3z97zyST8FuGJfeu4oNXPqu91hq4owqiplZuf0KzVD9z4bb1xivvmkT+43K fgdmK0xe4e41kophlw6NXz6ASs/0PXC4Ruzmngh5cfUguHp2vrKDrowxB8RF/e5PypCg uxGu6ZEKh/dE4rNQieBkznAOIKQd8fVl1x2qZZjD8hd5pnOKxBnnwlD7FplUiqlFYYA5 FQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3p6v2dsaup-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 08 Mar 2023 23:58:09 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 328Nw8PU014984 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 8 Mar 2023 23:58:08 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 15.2.986.41; Wed, 8 Mar 2023 15:58:07 -0800 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v3 11/28] dt-bindings: usb: dwc3: Add snps, num-hc-interrupters definition Date: Wed, 8 Mar 2023 15:57:34 -0800 Message-ID: <20230308235751.495-12-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230308235751.495-1-quic_wcheng@quicinc.com> References: <20230308235751.495-1-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: 8Pbo950SGljhdlhFofZKwy9nmNDN1lch X-Proofpoint-ORIG-GUID: 8Pbo950SGljhdlhFofZKwy9nmNDN1lch X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-08_15,2023-03-08_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 phishscore=0 priorityscore=1501 impostorscore=0 adultscore=0 spamscore=0 mlxscore=0 suspectscore=0 bulkscore=0 clxscore=1015 mlxlogscore=735 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303080200 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add a new definition for specifying how many XHCI secondary interrupters can be allocated. XHCI in general can potentially support up to 1024 interrupters, which some uses may want to limit depending on how many users utilize the interrupters. Signed-off-by: Wesley Cheng Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/usb/snps,dwc3.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index be36956af53b..4e2417191f93 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -359,6 +359,19 @@ properties: items: enum: [1, 4, 8, 16, 32, 64, 128, 256] + snps,num-hc-interrupters: + description: + Defines the maximum number of XHCI host controller interrupters that can + be supported. The XHCI host controller has support to allocate multiple + event rings, which can be assigned to different clients/users. The DWC3 + controller has a maximum of 8 interrupters. If this is not defined then + the value will be defaulted to 1. This parameter is used only when + operating in host mode. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 1 + maximum: 8 + default: 1 + port: $ref: /schemas/graph.yaml#/properties/port description: