Document the dai-link subnodes and the audio-routing property, allowing
to describe machine specific audio hardware and links in device tree.
While at it, also deprecate the old properties which were previously
used with the driver's partially hardcoded configuration.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
.../sound/mt8192-mt6359-rt1015-rt5682.yaml | 129 ++++++++++++++++--
1 file changed, 121 insertions(+), 8 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml b/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml
index 7e50f5d65c8f..78e221003750 100644
--- a/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml
+++ b/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml
@@ -20,6 +20,15 @@ properties:
- mediatek,mt8192_mt6359_rt1015p_rt5682
- mediatek,mt8192_mt6359_rt1015p_rt5682s
+ audio-routing:
+ $ref: /schemas/types.yaml#/definitions/non-unique-string-array
+ description:
+ 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 the input or output widgets of audio components,
+ power supplies, MicBias of codec and the software switch.
+
mediatek,platform:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8192 ASoC platform.
@@ -27,10 +36,12 @@ properties:
mediatek,hdmi-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of HDMI codec.
+ deprecated: true
headset-codec:
type: object
additionalProperties: false
+ deprecated: true
properties:
sound-dai:
@@ -41,6 +52,7 @@ properties:
speaker-codecs:
type: object
additionalProperties: false
+ deprecated: true
properties:
sound-dai:
@@ -51,13 +63,83 @@ properties:
required:
- sound-dai
+patternProperties:
+ ".*-dai-link$":
+ type: object
+ description:
+ Container for dai-link level properties and CODEC sub-nodes.
+
+ properties:
+ link-name:
+ description: Indicates dai-link name and PCM stream name
+ items:
+ enum:
+ - I2S0
+ - I2S1
+ - I2S2
+ - I2S3
+ - I2S4
+ - I2S5
+ - I2S6
+ - I2S7
+ - I2S8
+ - I2S9
+ - TDM
+
+ codec:
+ description: Holds subnode which indicates codec dai.
+ type: object
+ additionalProperties: false
+ properties:
+ sound-dai:
+ minItems: 1
+ maxItems: 2
+ required:
+ - sound-dai
+
+ dai-format:
+ description: audio format
+ items:
+ enum:
+ - i2s
+ - right_j
+ - left_j
+ - dsp_a
+ - dsp_b
+
+ mediatek,clk-provider:
+ $ref: /schemas/types.yaml#/definitions/string
+ description: Indicates dai-link clock master.
+ items:
+ enum:
+ - cpu
+ - codec
+
+ additionalProperties: false
+
+ required:
+ - link-name
+
additionalProperties: false
required:
- compatible
- mediatek,platform
- - headset-codec
- - speaker-codecs
+
+allOf:
+ # Disallow dai-link-xxx nodes if the legacy properties are specified
+ - if:
+ patternProperties:
+ ".*-dai-link$": false
+ then:
+ required:
+ - headset-codec
+ - speaker-codecs
+ else:
+ properties:
+ headset-codec: false
+ speaker-codecs: false
+ mediatek,hdmi-codec: false
examples:
- |
@@ -65,19 +147,50 @@ examples:
sound: mt8192-sound {
compatible = "mediatek,mt8192_mt6359_rt1015_rt5682";
mediatek,platform = <&afe>;
- mediatek,hdmi-codec = <&anx_bridge_dp>;
pinctrl-names = "aud_clk_mosi_off",
"aud_clk_mosi_on";
pinctrl-0 = <&aud_clk_mosi_off>;
pinctrl-1 = <&aud_clk_mosi_on>;
- headset-codec {
- sound-dai = <&rt5682>;
+ audio-routing =
+ "Headphone Jack", "HPOL",
+ "Headphone Jack", "HPOR",
+ "IN1P", "Headset Mic",
+ "Speakers", "Speaker";
+
+ spk-playback-dai-link {
+ link-name = "I2S3";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&rt1015p>;
+ };
+ };
+
+ hs-playback-dai-link {
+ link-name = "I2S8";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&rt5682 0>;
+ };
+ };
+
+ hs-capture-dai-link {
+ link-name = "I2S9";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&rt5682 0>;
+ };
};
- speaker-codecs {
- sound-dai = <&rt1015_l>,
- <&rt1015_r>;
+ displayport-dai-link {
+ link-name = "TDM";
+ dai-format = "dsp_a";
+ codec {
+ sound-dai = <&anx_bridge_dp>;
+ };
};
};
--
2.44.0
