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Wed, 11 Oct 2023 00:22:37 +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 39B0MaNw004858 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Oct 2023 00:22:36 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, 10 Oct 2023 17:22:36 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , Wesley Cheng Subject: [PATCH v8 24/34] ASoC: dt-bindings: Add Q6USB backend Date: Tue, 10 Oct 2023 17:21:36 -0700 Message-ID: <20231011002146.1821-25-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231011002146.1821-1-quic_wcheng@quicinc.com> References: <20231011002146.1821-1-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: 4NRgzFSNqxOnms9fTKoZl8CqqM6L6nHS X-Proofpoint-GUID: 4NRgzFSNqxOnms9fTKoZl8CqqM6L6nHS 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=2023-10-10_19,2023-10-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=963 spamscore=0 bulkscore=0 adultscore=0 malwarescore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 priorityscore=1501 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310110001 Message-ID-Hash: ZAWBP5NANA77HMUBY2GEI7YO5EANMLGK X-Message-ID-Hash: ZAWBP5NANA77HMUBY2GEI7YO5EANMLGK X-MailFrom: quic_wcheng@quicinc.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: <> List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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. Reviewed-by: Rob Herring Signed-off-by: Wesley Cheng --- .../devicetree/bindings/sound/qcom,q6usb.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6usb.yaml diff --git a/Documentation/devicetree/bindings/sound/qcom,q6usb.yaml b/Documentation/devicetree/bindings/sound/qcom,q6usb.yaml new file mode 100644 index 000000000000..37161d2aa96e --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,q6usb.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/qcom,q6usb.yaml# +$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-idx: + description: + Desired XHCI interrupter number to use. Depending on the audio DSP + on the platform, it will operate on a specific XHCI interrupter. + $ref: /schemas/types.yaml#/definitions/uint16 + maximum: 8 + +required: + - compatible + - "#sound-dai-cells" + - qcom,usb-audio-intr-idx + +additionalProperties: false + +examples: + - | + dais { + compatible = "qcom,q6usb"; + #sound-dai-cells = <1>; + iommus = <&apps_smmu 0x180f 0x0>; + qcom,usb-audio-intr-idx = /bits/ 16 <2>; + };