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[86.30.250.44]) by smtp.googlemail.com with ESMTPSA id t128sm38157wmf.28.2020.02.12.01.59.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Feb 2020 01:59:56 -0800 (PST) Subject: Re: [PATCH v3 6/6] ASoC: qdsp6: dt-bindings: Add q6afe pcm dt binding documentation To: Adam Serbinski , Mark Brown , Rob Herring , Bjorn Andersson Cc: Andy Gross , Mark Rutland , Liam Girdwood , Patrick Lai , Banajit Goswami , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200212015222.8229-1-adam@serbinski.com> <20200212015222.8229-7-adam@serbinski.com> From: Srinivas Kandagatla Message-ID: <579e0ae1-f257-7af3-eac9-c8e3ab3b52c7@linaro.org> Date: Wed, 12 Feb 2020 09:59:55 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20200212015222.8229-7-adam@serbinski.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 12/02/2020 01:52, Adam Serbinski wrote: > This patch adds documentation of bindings required for PCM ports on AFE. > > Signed-off-by: Adam Serbinski > CC: Andy Gross > CC: Mark Rutland > CC: Liam Girdwood > CC: Patrick Lai > CC: Banajit Goswami > CC: Jaroslav Kysela > CC: Takashi Iwai > CC: alsa-devel@alsa-project.org > CC: linux-arm-msm@vger.kernel.org > CC: devicetree@vger.kernel.org > CC: linux-kernel@vger.kernel.org > --- > .../devicetree/bindings/sound/qcom,q6afe.txt | 42 +++++++++++++++++++ > 1 file changed, 42 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt > index d74888b9f1bb..6b1b17d31a2a 100644 > --- a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt > +++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt > @@ -51,6 +51,24 @@ configuration of each dai. Must contain the following properties. > Definition: Must be list of serial data lines used by this dai. > should be one or more of the 0-3 sd lines. > > + - qcom,pcm-quantype > + Usage: required for pcm interface > + Value type: > + Definition: PCM quantization type > + 0 - ALAW, no padding > + 1 - MULAW, no padding > + 2 - Linear, no padding > + 3 - ALAW, padding > + 4 - MULAW, padding > + 5 - Linear, padding > + > + - qcom,pcm-slot-mapping > + Usage: required for pcm interface Are these not specific to 8k and 16k mode ? We should probably list values for both modes here. --srini > + Value type: > + Definition: Slot mapping for audio channels. Array size is the number > + of slots, minimum 1, maximum 4. The value is 0 for no mapping > + to the slot, or the channel number from 1 to 32. > + > - qcom,tdm-sync-mode: > Usage: required for tdm interface > Value type: > @@ -174,5 +192,29 @@ q6afe@4 { > reg = <23>; > qcom,sd-lines = <1>; > }; > + > + pri-pcm-rx@105 { > + reg = <105>; > + qcom,pcm-quantype = <2>; > + qcom,pcm-slot-mapping = <1>; > + }; > + > + pri-pcm-tx@106 { > + reg = <106>; > + qcom,pcm-quantype = <2>; > + qcom,pcm-slot-mapping = <1>; > + }; > + > + quat-pcm-rx@111 { > + reg = <111>; > + qcom,pcm-quantype = <5>; > + qcom,pcm-slot-mapping = <0 0 1>; > + }; > + > + quat-pcm-tx@112 { > + reg = <112>; > + qcom,pcm-quantype = <5>; > + qcom,pcm-slot-mapping = <0 0 1>; > + }; > }; > }; >