From patchwork Tue Aug 29 21:06:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13369623 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 C2B1CCA0C0F for ; Tue, 29 Aug 2023 21:08:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240716AbjH2VHq (ORCPT ); Tue, 29 Aug 2023 17:07:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236593AbjH2VHb (ORCPT ); Tue, 29 Aug 2023 17:07:31 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A0381BB; Tue, 29 Aug 2023 14:07:27 -0700 (PDT) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37TKu4Ja005249; Tue, 29 Aug 2023 21:07:16 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=0HP3bHaoegNTa50F/fzhzdjgnBxlXCSBiA5Yu/y92ts=; b=pFwHqq+boiyoVlALFck+KZulumMqYYv3Z1gLtsVjQpP6tBYufGHI6CAZtumUctBlhjDf 94kxxL8kyrx9FRgZSjpodywBckyGojmlIZSl9ssG02VA6QuGPqHEBulalyj5HResqOwz 0tFFQAqoaNcJ1xeVWnHmn7jvTSSTgErt4AzmE0YcQAqfOUquerL8NlAmOjyO3C8rE/uS ak5KvfIa0QoBV70Jk55lV9qhKWgn2CglMnYQgUMcUVKg0hvnHFQ3HLkMq30GcTpsTiej 8J8FVmaREX42Xdg+bZlcUZ1iOJ/e9Au8AG6D4NLfzo9aXSQs3erx22ceo0SCiM4XqCU/ LA== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ssmcv8hb8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Aug 2023 21:07:15 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 37TL7EBM000613 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Aug 2023 21:07:14 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; Tue, 29 Aug 2023 14:07:14 -0700 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v5 23/32] ASoC: dt-bindings: Add Q6USB backend Date: Tue, 29 Aug 2023 14:06:48 -0700 Message-ID: <20230829210657.9904-24-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230829210657.9904-1-quic_wcheng@quicinc.com> References: <20230829210657.9904-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) 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-ORIG-GUID: 1PwhrPKB_3htOps9zz2YpcVOTQ1uRK3Z X-Proofpoint-GUID: 1PwhrPKB_3htOps9zz2YpcVOTQ1uRK3Z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-29_14,2023-08-29_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 phishscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 mlxlogscore=896 spamscore=0 malwarescore=0 mlxscore=0 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308290181 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add a dt-binding to describe the definition of enabling the Q6 USB backend device for audio offloading. The node carries information, which is passed along to the QC USB SND class driver counterpart. These parameters will be utilized during QMI stream enable requests. Signed-off-by: Wesley Cheng --- .../bindings/sound/qcom,q6usb-dais.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml diff --git a/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml b/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml new file mode 100644 index 000000000000..72254d7e70d2 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/qcom,q6usb-dais.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm ASoC DPCM USB backend DAI + +maintainers: + - Wesley Cheng + +description: + The USB port is a supported AFE path on the Q6 DSP. This ASoC DPCM + backend DAI will communicate the required settings to initialize the + XHCI host controller properly for enabling the offloaded audio stream. + Parameters defined under this node will carry settings, which will be + passed along during the QMI stream enable request and configuration of + the XHCI host controller. + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - qcom,q6usb + + iommus: + maxItems: 1 + + "#sound-dai-cells": + const: 1 + + qcom,usb-audio-intr-num: + description: + Desired XHCI interrupter number to use. + $ref: /schemas/types.yaml#/definitions/uint32 + +required: + - compatible + - "#sound-dai-cells" + - qcom,usb-audio-intr-num + +additionalProperties: false + +examples: + - | + dais { + compatible = "qcom,q6usb"; + #sound-dai-cells = <1>; + iommus = <&apps_smmu 0x180f 0x0>; + qcom,usb-audio-intr-num = <2>; + };