From mboxrd@z Thu Jan 1 00:00:00 1970 From: srinivas.kandagatla@linaro.org (srinivas.kandagatla at linaro.org) Date: Sat, 10 Mar 2018 02:24:53 +0000 Subject: [PATCH v4 21/24] ASoC: qdsp6: dt-bindings: Add apq8096 machine bindings In-Reply-To: <20180310022456.26739-1-srinivas.kandagatla@linaro.org> References: <20180310022456.26739-1-srinivas.kandagatla@linaro.org> Message-ID: <20180310022456.26739-22-srinivas.kandagatla@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Srinivas Kandagatla Add devicetree bindings documentation file for Qualcomm apq8096 sound card. Signed-off-by: Srinivas Kandagatla --- .../devicetree/bindings/sound/qcom,apq8096.txt | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,apq8096.txt diff --git a/Documentation/devicetree/bindings/sound/qcom,apq8096.txt b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt new file mode 100644 index 000000000000..fddc9f0ce3a5 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt @@ -0,0 +1,80 @@ +* Qualcomm Technologies APQ8096 ASoC sound card driver + +This binding describes the APQ8096 sound card, which uses qdsp for audio. + +- compatible: + Usage: required + Value type: + Definition: must be "qcom,apq8096-sndcard" + +- qcom,audio-routing: + Usage: Optional + Value type: + Definition: A list of the connections between audio components. + Each entry is a pair of strings, the first being the + connection's sink, the second being the connection's + source. Valid names could be power supplies, MicBias + of codec and the jacks on the board: + += dailinks +Each subnode of sndcard represents either a dailink, and subnodes of each +dailinks would be cpu/codec/platform dais. + +- link-name: + Usage: required + Value type: + Definition: User friendly name for dai link + += CPU, PLATFORM, CODEC dais subnodes +- cpu: + Usage: required + Value type: + Definition: cpu dai sub-node + +- codec: + Usage: required + Value type: + Definition: codec dai sub-node + +- platform: + Usage: opional + Value type: + Definition: platform dai sub-node + +- sound-dai: + Usage: required + Value type: + Definition: dai phandle/s and port of CPU/CODEC/PLATFORM node. + +Example: + +audio { + compatible = "qcom,apq8096-sndcard"; + qcom,model = "DB820c"; + com,audio-routing = "RX_BIAS", "MCLK"; + + mm1-dai-link { + link-name = "MultiMedia1"; + cpu { + sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>; + }; + platform { + sound-dai = <&q6asmdai>; + }; + }; + + hdmi-dai-link { + link-name = "HDMI Playback"; + cpu { + sound-dai = <&q6afe HDMI_RX>; + }; + + platform { + sound-dai = <&q6adm>; + }; + + codec { + sound-dai = <&hdmi 0>; + }; + }; +}; -- 2.15.1