@@ -12,6 +12,9 @@ maintainers:
description:
This binding describes the MT8195 sound card.
+allOf:
+ - $ref: sound-card-common.yaml#
+
properties:
compatible:
enum:
@@ -23,6 +26,33 @@ properties:
$ref: /schemas/types.yaml#/definitions/string
description: User specified audio sound card name
+ audio-routing:
+ 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.
+ minItems: 2
+ items:
+ enum:
+ # Sinks
+ - Ext Spk
+ - Headphone
+ - IN1P
+ - Left Spk
+ - Right Spk
+
+ # Sources
+ - Headset Mic
+ - HPOL
+ - HPOR
+ - Left BE_OUT
+ - Left SPO
+ - Right BE_OUT
+ - Right SPO
+ - Speaker
+
mediatek,platform:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8195 ASoC platform.
@@ -30,10 +60,12 @@ properties:
mediatek,dptx-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8195 Display Port Tx codec node.
+ deprecated: true
mediatek,hdmi-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8195 HDMI codec node.
+ deprecated: true
mediatek,adsp:
$ref: /schemas/types.yaml#/definitions/phandle
@@ -45,20 +77,122 @@ properties:
A list of the desired dai-links in the sound card. Each entry is a
name defined in the machine driver.
+patternProperties:
+ ".*-dai-link$":
+ type: object
+ additionalProperties: false
+ description:
+ Container for dai-link level properties and CODEC sub-nodes.
+
+ properties:
+ link-name:
+ description: Indicates dai-link name and PCM stream name
+ enum:
+ - DPTX_BE
+ - ETDM1_IN_BE
+ - ETDM2_IN_BE
+ - ETDM1_OUT_BE
+ - ETDM2_OUT_BE
+ - ETDM3_OUT_BE
+ - PCM1_BE
+
+ 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
+ enum: [ i2s, right_j, left_j, dsp_a, dsp_b ]
+
+ mediatek,clk-provider:
+ $ref: /schemas/types.yaml#/definitions/string
+ description: Indicates dai-link clock master.
+ enum: [ cpu, codec ]
+
+ required:
+ - link-name
+
additionalProperties: false
required:
- compatible
- mediatek,platform
+# Disallow legacy properties if xxx-dai-link nodes are specified
+if:
+ not:
+ patternProperties:
+ ".*-dai-link$": false
+then:
+ properties:
+ mediatek,dptx-codec: false
+ mediatek,hdmi-codec: false
+
examples:
- |
sound: mt8195-sound {
compatible = "mediatek,mt8195_mt6359_rt1019_rt5682";
+ model = "mt8195_r1019_5682";
mediatek,platform = <&afe>;
pinctrl-names = "default";
pinctrl-0 = <&aud_pins_default>;
+
+ audio-routing =
+ "Headphone", "HPOL",
+ "Headphone", "HPOR",
+ "IN1P", "Headset Mic",
+ "Ext Spk", "Speaker";
+
+ mm-dai-link {
+ link-name = "ETDM1_IN_BE";
+ mediatek,clk-provider = "cpu";
+ };
+
+ hs-playback-dai-link {
+ link-name = "ETDM1_OUT_BE";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&headset_codec>;
+ };
+ };
+
+ hs-capture-dai-link {
+ link-name = "ETDM2_IN_BE";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&headset_codec>;
+ };
+ };
+
+ spk-playback-dai-link {
+ link-name = "ETDM2_OUT_BE";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&spk_amplifier>;
+ };
+ };
+
+ hdmi-dai-link {
+ link-name = "ETDM3_OUT_BE";
+ codec {
+ sound-dai = <&hdmi_tx>;
+ };
+ };
+
+ displayport-dai-link {
+ link-name = "DPTX_BE";
+ codec {
+ sound-dai = <&dp_tx>;
+ };
+ };
};
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