From patchwork Thu Jan 26 03:14:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 647217 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 5A58FC27C76 for ; Thu, 26 Jan 2023 03:15:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236149AbjAZDPM (ORCPT ); Wed, 25 Jan 2023 22:15:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236156AbjAZDO5 (ORCPT ); Wed, 25 Jan 2023 22:14:57 -0500 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16B8865EF5; Wed, 25 Jan 2023 19:14:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1674702891; x=1706238891; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=yGFwuojaQ5ML4dsz23/al/799O12g89UeuaQci4f9LM=; b=lhcMoYT3uo0e0XuZyVNr7Q3whei7ZHcPMjlASdqmCw09zDoSVCZI4IqK zqSubjlucP9E2qZb07G6N4Vod18LJ4/6AHcptfY8ctlhjUsz865lS/r2P SjMvXMK2jP2ff/RlFbAX5Zta7pcXf8x633+ND73nFMGM67JfU0WQPqhKl Y=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 25 Jan 2023 19:14:50 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.45.79.139]) by ironmsg04-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2023 19:14:50 -0800 Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Wed, 25 Jan 2023 19:14:50 -0800 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [RFC PATCH v2 21/22] ASoC: dt-bindings: Add Q6USB backend bindings Date: Wed, 25 Jan 2023 19:14:23 -0800 Message-ID: <20230126031424.14582-22-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230126031424.14582-1-quic_wcheng@quicinc.com> References: <20230126031424.14582-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nasanex01c.na.qualcomm.com (10.45.79.139) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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>; + };