From patchwork Fri Dec 23 23:31:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13081189 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 73350C4167B for ; Fri, 23 Dec 2022 23:33:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233146AbiLWXdY (ORCPT ); Fri, 23 Dec 2022 18:33:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231364AbiLWXdN (ORCPT ); Fri, 23 Dec 2022 18:33:13 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D31B1144B; Fri, 23 Dec 2022 15:33:12 -0800 (PST) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BNNEWUg002705; Fri, 23 Dec 2022 23:32:48 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=yGFwuojaQ5ML4dsz23/al/799O12g89UeuaQci4f9LM=; b=ZfH2zS6DK5rpX5GZjoafjeymkB8WPG2GwMP3uTopK/XKcUtucbHH93txeI/TSYQX1U8L JGXqPb3Z2zjA+hq2gF/4kQJbiaznu6CS4SvdIC6AFeaNWZBbG78nAGuy26iler0NKQ3U y7HsvwPIX31HFhyZGerAxCBm2OdUI2+76Ro9BkGA+h2GaZDx2VkNuB90N/CDanjX63no XoIssDorvSKKKd/TPIIarDWMCIYxB6Fu10R5bXSn86bWw/hu4QD1rXvETNoT1YAyB0l8 GoeURMaNupwKzMCg5QUTt1hKaoTm6Sj522Ka28WbznTP8Kx0KM6yocFMYiD6J6vkhl6K LA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mm3cjx2m6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Dec 2022 23:32:48 +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 2BNNWlg4016927 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Dec 2022 23:32:47 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 15.2.986.36; Fri, 23 Dec 2022 15:32:47 -0800 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [RFC PATCH 13/14] ASoC: dt-bindings: Add Q6USB backend bindings Date: Fri, 23 Dec 2022 15:31:59 -0800 Message-ID: <20221223233200.26089-14-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221223233200.26089-1-quic_wcheng@quicinc.com> References: <20221223233200.26089-1-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: 2JYvu9tMPFuec4M5feMBaPsJNbJqnWGK X-Proofpoint-ORIG-GUID: 2JYvu9tMPFuec4M5feMBaPsJNbJqnWGK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-23_08,2022-12-23_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=936 impostorscore=0 spamscore=0 phishscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212230197 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 | 55 +++++++++++++++++++ 1 file changed, 55 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..e24b4d52fa7e --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml @@ -0,0 +1,55 @@ +# 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 USB backend DAI + +maintainers: + - Wesley Cheng + +description: + The Q6USB backend is a supported AFE port on the Q6DSP. This backend + driver will communicate the required settings to the QC USB SND class + driver for properly enabling the audio stream. Parameters defined + under this node will carry settings, which will be passed along during + the QMI stream enable request. + +properties: + compatible: + enum: + - qcom,q6usb-dais + + iommus: + maxItems: 1 + + "#sound-dai-cells": + const: 1 + + qcom,usb-audio-stream-id: + description: + SID for the Q6DSP processor for IOMMU mapping. + $ref: /schemas/types.yaml#/definitions/uint32 + + 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: + - | + usbdai: usbd { + compatible = "qcom,q6usb-dais"; + #sound-dai-cells = <1>; + iommus = <&apps_smmu 0x180f 0x0>; + qcom,usb-audio-stream-id = <0xf>; + qcom,usb-audio-intr-num = <2>; + };