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ASoC: dt-bindings: convert qcom sound bindings to
Merge series from Rayyan Ansari <rayyan.ansari@linaro.org>:
These patches convert the remaining plain text bindings for Qualcomm
sound drivers to dt schema, so device trees can be validated against
them.
+56
-148
-128
Documentation/devicetree/bindings/sound/qcom,apq8096.txt
-128
Documentation/devicetree/bindings/sound/qcom,apq8096.txt
···
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* Qualcomm Technologies APQ8096 ASoC sound card driver
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This binding describes the APQ8096 sound card, which uses qdsp for audio.
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- compatible:
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Usage: required
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Value type: <stringlist>
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Definition: must be "qcom,apq8096-sndcard"
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- audio-routing:
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Usage: Optional
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Value type: <stringlist>
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Definition: A list of the connections between audio components.
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Each entry is a pair of strings, the first being the
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connection's sink, the second being the connection's
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source. Valid names could be power supplies, MicBias
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of codec and the jacks on the board:
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Valid names include:
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Board Connectors:
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"Headphone Left"
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"Headphone Right"
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"Earphone"
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"Line Out1"
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"Line Out2"
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"Line Out3"
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"Line Out4"
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"Analog Mic1"
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"Analog Mic2"
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"Analog Mic3"
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"Analog Mic4"
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"Analog Mic5"
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"Analog Mic6"
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"Digital Mic2"
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"Digital Mic3"
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Audio pins and MicBias on WCD9335 Codec:
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"MIC_BIAS1"
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"MIC_BIAS2"
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"MIC_BIAS3"
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"MIC_BIAS4"
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"AMIC1"
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"AMIC2"
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"AMIC3"
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"AMIC4"
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"AMIC5"
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"AMIC6"
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"AMIC6"
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"DMIC1"
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"DMIC2"
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"DMIC3"
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- model:
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Usage: required
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Value type: <stringlist>
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Definition: The user-visible name of this sound card.
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- aux-devs
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Usage: optional
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Value type: <array of phandles>
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Definition: A list of phandles for auxiliary devices (e.g. analog
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amplifiers) that do not appear directly within the DAI
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links. Should be connected to another audio component
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using "audio-routing".
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= dailinks
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Each subnode of sndcard represents either a dailink, and subnodes of each
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dailinks would be cpu/codec/platform dais.
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- link-name:
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Usage: required
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Value type: <string>
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Definition: User friendly name for dai link
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= CPU, PLATFORM, CODEC dais subnodes
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- cpu:
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Usage: required
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Value type: <subnode>
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Definition: cpu dai sub-node
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- codec:
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Usage: Optional
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Value type: <subnode>
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Definition: codec dai sub-node
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- platform:
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Usage: Optional
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Value type: <subnode>
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Definition: platform dai sub-node
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- sound-dai:
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Usage: required
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Value type: <phandle with arguments>
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Definition: dai phandle/s and port of CPU/CODEC/PLATFORM node.
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Obsolete:
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qcom,model: String for soundcard name (Use model instead)
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qcom,audio-routing: A list of the connections between audio components.
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(Use audio-routing instead)
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Example:
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audio {
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compatible = "qcom,apq8096-sndcard";
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model = "DB820c";
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mm1-dai-link {
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link-name = "MultiMedia1";
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cpu {
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sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
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};
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};
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hdmi-dai-link {
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link-name = "HDMI Playback";
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cpu {
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sound-dai = <&q6afe HDMI_RX>;
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};
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platform {
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sound-dai = <&q6adm>;
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};
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codec {
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sound-dai = <&hdmi 0>;
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};
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};
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};
+55
Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital-codec.yaml
+55
Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital-codec.yaml
···
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/qcom,msm8916-wcd-digital-codec.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm MSM8916 WCD Digital Audio Codec
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maintainers:
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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description:
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The digital WCD audio codec found on Qualcomm MSM8916 LPASS.
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properties:
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compatible:
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const: qcom,msm8916-wcd-digital-codec
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reg:
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maxItems: 1
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clocks:
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maxItems: 2
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clock-names:
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items:
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- const: ahbix-clk
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- const: mclk
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'#sound-dai-cells':
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const: 1
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- '#sound-dai-cells'
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allOf:
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- $ref: dai-common.yaml#
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/qcom,gcc-msm8916.h>
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audio-codec@771c000 {
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compatible = "qcom,msm8916-wcd-digital-codec";
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reg = <0x0771c000 0x400>;
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clocks = <&gcc GCC_ULTAUDIO_AHBFABRIC_IXFABRIC_CLK>,
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<&gcc GCC_CODEC_DIGCODEC_CLK>;
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clock-names = "ahbix-clk", "mclk";
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#sound-dai-cells = <1>;
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};
-20
Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital.txt
-20
Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital.txt
···
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msm8916 digital audio CODEC
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## Bindings for codec core in lpass:
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Required properties
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- compatible = "qcom,msm8916-wcd-digital-codec";
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- reg: address space for lpass codec.
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- clocks: Handle to mclk and ahbclk
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- clock-names: should be "mclk", "ahbix-clk".
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Example:
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audio-codec@771c000{
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compatible = "qcom,msm8916-wcd-digital-codec";
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reg = <0x0771c000 0x400>;
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clocks = <&gcc GCC_ULTAUDIO_AHBFABRIC_IXFABRIC_CLK>,
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<&gcc GCC_CODEC_DIGCODEC_CLK>;
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clock-names = "ahbix-clk", "mclk";
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#sound-dai-cells = <1>;
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};