From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Wesley Cheng <quic_wcheng@quicinc.com>,
srinivas.kandagatla@linaro.org, mathias.nyman@intel.com,
perex@perex.cz, broonie@kernel.org, lgirdwood@gmail.com,
krzysztof.kozlowski+dt@linaro.org, agross@kernel.org,
Thinh.Nguyen@synopsys.com, bgoswami@quicinc.com,
andersson@kernel.org, robh+dt@kernel.org,
gregkh@linuxfoundation.org, tiwai@suse.com
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
linux-usb@vger.kernel.org, quic_jackp@quicinc.com,
quic_plai@quicinc.com
Subject: Re: [PATCH v3 20/28] ASoC: dt-bindings: Add Q6USB backend bindings
Date: Fri, 10 Mar 2023 09:54:15 +0100 [thread overview]
Message-ID: <499ee440-0c52-bb21-d04d-086aebc0cf4e@linaro.org> (raw)
In-Reply-To: <20230308235751.495-21-quic_wcheng@quicinc.com>
On 09/03/2023 00:57, Wesley Cheng wrote:
> 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 <quic_wcheng@quicinc.com>
> ---
> .../bindings/sound/qcom,q6usb-dais.yaml | 49 +++++++++++++++++++
> 1 file changed, 49 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..8477abc511dd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml
> @@ -0,0 +1,49 @@
> +# 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 <quic_wcheng@quicinc.com>
> +
> +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
What does the "driver" mean? Linux driver? Then drop and focus on
hardware/Q6DSP.
> + 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
Can q6usb mean anything else? Why "-dais" suffix?
> +
> + 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
Why this should be configurable per board or SoC? It's the first use in
DT and in the same time sounds generic...
> +
> +required:
> + - compatible
> + - "#sound-dai-cells"
> + - qcom,usb-audio-intr-num
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + dais {
> + compatible = "qcom,q6usb-dais";
> + #sound-dai-cells = <1>;
> + iommus = <&apps_smmu 0x180f 0x0>;
> + qcom,usb-audio-intr-num = <2>;
> + };
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-03-10 8:55 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-08 23:57 [PATCH v3 00/28] Introduce QC USB SND audio offloading support Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 01/28] xhci: Add support to allocate several interrupters Wesley Cheng
2023-03-09 10:34 ` Oliver Neukum via Alsa-devel
2023-03-09 10:51 ` Takashi Iwai
2023-03-10 15:07 ` Mathias Nyman
2023-03-13 20:08 ` Wesley Cheng
2023-04-25 1:17 ` Wesley Cheng
2023-03-13 20:32 ` Wesley Cheng
2023-06-23 22:37 ` Wesley Cheng
2023-06-26 13:55 ` Mathias Nyman
2023-06-26 15:05 ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 02/28] usb: xhci: Add XHCI APIs to support USB offloading Wesley Cheng
2023-03-09 6:38 ` Greg KH
2023-03-09 19:51 ` Wesley Cheng
2023-03-10 12:17 ` Claudiu.Beznea--- via Alsa-devel
2023-03-08 23:57 ` [PATCH v3 03/28] usb: host: xhci-mem: Cleanup pending secondary event ring events Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 04/28] ASoC: Add SOC USB APIs for adding an USB backend Wesley Cheng
2023-03-09 6:41 ` Greg KH
2023-03-08 23:57 ` [PATCH v3 05/28] ASoC: dt-bindings: qcom,q6dsp-lpass-ports: Add USB_RX port Wesley Cheng
2023-03-09 9:00 ` Srinivas Kandagatla
2023-03-08 23:57 ` [PATCH v3 06/28] ASoC: qcom: qdsp6: Introduce USB AFE port to q6dsp Wesley Cheng
2023-03-09 9:01 ` Srinivas Kandagatla
2023-03-08 23:57 ` [PATCH v3 07/28] ASoC: qdsp6: q6afe: Increase APR timeout Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 08/28] ASoC: qcom: Add USB backend ASoC driver for Q6 Wesley Cheng
2023-03-09 9:01 ` Srinivas Kandagatla
2023-03-09 19:38 ` Wesley Cheng
2023-03-10 7:21 ` Srinivas Kandagatla
2023-03-25 1:15 ` Wesley Cheng
2023-03-10 12:22 ` Claudiu.Beznea--- via Alsa-devel
2023-03-08 23:57 ` [PATCH v3 09/28] sound: usb: card: Introduce USB SND platform op callbacks Wesley Cheng
2023-03-09 6:44 ` Greg KH
2023-03-09 14:10 ` Takashi Iwai
2023-03-09 11:16 ` Oliver Neukum via Alsa-devel
2023-03-08 23:57 ` [PATCH v3 10/28] sound: usb: Export USB SND APIs for modules Wesley Cheng
2023-03-09 6:29 ` Greg KH
2023-03-08 23:57 ` [PATCH v3 11/28] dt-bindings: usb: dwc3: Add snps,num-hc-interrupters definition Wesley Cheng
2023-03-10 8:50 ` Krzysztof Kozlowski
2023-03-11 13:40 ` Rob Herring
2023-08-29 2:05 ` Wesley Cheng
2023-08-29 6:33 ` Krzysztof Kozlowski
2023-08-29 7:19 ` Wesley Cheng
2023-08-29 7:42 ` Krzysztof Kozlowski
2023-08-29 7:50 ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 12/28] usb: dwc3: Add DT parameter to specify maximum number of interrupters Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 13/28] usb: host: xhci-plat: Set XHCI max interrupters if property is present Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 14/28] sound: usb: pcm: Export fixed rate check USB SND API Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 15/28] sound: usb: Introduce QC USB SND offloading support Wesley Cheng
2023-03-09 8:29 ` Takashi Sakamoto
2023-03-09 17:54 ` Pierre-Louis Bossart
2023-03-08 23:57 ` [PATCH v3 16/28] sound: usb: card: Check for support for requested audio format Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 17/28] sound: soc: soc-usb: Add PCM format check API for USB backend Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 18/28] sound: soc: qcom: qusb6: Ensure PCM format is supported by USB audio device Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 19/28] sound: usb: Prevent starting of audio stream if in use Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 20/28] ASoC: dt-bindings: Add Q6USB backend bindings Wesley Cheng
2023-03-10 8:54 ` Krzysztof Kozlowski [this message]
2023-06-23 0:15 ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 21/28] ASoC: dt-bindings: Update example for enabling USB offload on SM8250 Wesley Cheng
2023-03-10 8:56 ` Krzysztof Kozlowski
2023-06-23 0:51 ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 22/28] ASoC: qcom: qdsp6: q6afe: Split USB AFE dev_token param into separate API Wesley Cheng
2023-03-09 9:01 ` Srinivas Kandagatla
2023-03-09 19:39 ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 23/28] sound: Pass USB SND card and PCM information to SOC USB Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 24/28] sound: soc: qdsp6: Add SND kcontrol to select offload device Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 25/28] sound: soc: qdsp6: Add SND kcontrol for fetching offload status Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 26/28] sound: usb: qc_audio_offload: Use card and PCM index from QMI request Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 27/28] sound: usb: card: Allow for rediscovery of connected USB SND devices Wesley Cheng
2023-03-09 11:32 ` Oliver Neukum via Alsa-devel
2023-03-08 23:57 ` [PATCH v3 28/28] sound: soc: soc-usb: Rediscover USB SND devices on USB port add Wesley Cheng
2023-03-09 6:46 ` [PATCH v3 00/28] Introduce QC USB SND audio offloading support Greg KH
2023-03-09 17:13 ` Pierre-Louis Bossart
2023-03-09 21:10 ` Wesley Cheng
2023-03-10 0:37 ` Pierre-Louis Bossart
2023-03-13 23:43 ` Wesley Cheng
2023-03-14 0:42 ` Pierre-Louis Bossart
2023-03-14 1:42 ` Wesley Cheng
2023-03-14 2:22 ` Pierre-Louis Bossart
2023-03-15 0:08 ` Wesley Cheng
2023-03-15 14:30 ` Pierre-Louis Bossart
2023-03-15 16:29 ` Mark Brown
2023-03-15 19:42 ` Wesley Cheng
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