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Date: Thu, 7 Mar 2024 12:44:43 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: broonie@...nel.org
Cc: wenst@...omium.org,
lgirdwood@...il.com,
robh@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
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kernel@...labora.com,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v2 20/22] ASoC: dt-bindings: mt8186: Document audio-routing and dai-link subnode
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@...labora.com>
---
.../sound/mt8186-mt6366-da7219-max98357.yaml | 112 ++++++++++++++++--
.../sound/mt8186-mt6366-rt1019-rt5682s.yaml | 102 ++++++++++++++--
2 files changed, 199 insertions(+), 15 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
index 9853c11a1330..ef22b972f85c 100644
--- a/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
+++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
@@ -17,12 +17,22 @@ properties:
enum:
- mediatek,mt8186-mt6366-da7219-max98357-sound
+ 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:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8186 ASoC platform.
headset-codec:
type: object
+ deprecated: true
additionalProperties: false
properties:
sound-dai:
@@ -32,6 +42,7 @@ properties:
playback-codecs:
type: object
+ deprecated: true
additionalProperties: false
properties:
sound-dai:
@@ -53,13 +64,75 @@ properties:
A list of the desired dai-links in the sound card. Each entry is a
name defined in the machine driver.
+patternProperties:
+ ".*-dai-link$":
+ type: object
+ 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
+
+ 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:
+ $ref: /schemas/types.yaml#/definitions/string
+ description: Indicates dai-link clock master.
+ items:
+ enum:
+ - cpu
+ - codec
+
+ additionalProperties: false
+
+ required:
+ - link-name
+
additionalProperties: false
required:
- compatible
- mediatek,platform
- - headset-codec
- - playback-codecs
+
+allOf:
+ # Disallow dai-link-xxx nodes if the legacy properties are specified
+ - if:
+ patternProperties:
+ ".*-dai-link$": false
+ then:
+ required:
+ - headset-codec
+ - speaker-codecs
+ else:
+ properties:
+ headset-codec: false
+ speaker-codecs: false
examples:
- |
@@ -72,13 +145,38 @@ examples:
pinctrl-0 = <&aud_clk_mosi_off>;
pinctrl-1 = <&aud_clk_mosi_on>;
- headset-codec {
- sound-dai = <&da7219>;
+ audio-routing =
+ "Headphones", "HPL",
+ "Headphones", "HPR",
+ "MIC", "Headset Mic",
+ "Speakers", "Speaker",
+ "HDMI1", "TX";
+
+ hs-playback-dai-link {
+ link-name = "I2S0";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&da7219>;
+ };
+ };
+
+ hs-capture-dai-link {
+ link-name = "I2S1";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&da7219>;
+ };
};
- playback-codecs {
- sound-dai = <&anx_bridge_dp>,
- <&max98357a>;
+ spk-dp-playback-dai-link {
+ link-name = "I2S3";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&anx_bridge_dp>, <&max98357a>;
+ };
};
};
diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml
index bdf7b0960533..c4d6acaf2094 100644
--- a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml
+++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml
@@ -19,6 +19,15 @@ properties:
- mediatek,mt8186-mt6366-rt5682s-max98360-sound
- mediatek,mt8186-mt6366-rt5650-sound
+ 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:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8186 ASoC platform.
@@ -32,6 +41,7 @@ properties:
headset-codec:
type: object
+ deprecated: true
additionalProperties: false
properties:
sound-dai:
@@ -41,6 +51,7 @@ properties:
playback-codecs:
type: object
+ deprecated: true
additionalProperties: false
properties:
sound-dai:
@@ -62,13 +73,62 @@ properties:
A list of the desired dai-links in the sound card. Each entry is a
name defined in the machine driver.
+patternProperties:
+ ".*-dai-link$":
+ 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: [ I2S0, I2S1, I2S2, I2S3 ]
+
+ 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
- - headset-codec
- - playback-codecs
+
+allOf:
+ - $ref: sound-card-common.yaml#
+
+ # Disallow xxx-dai-link nodes if the legacy properties are specified
+ - if:
+ patternProperties:
+ ".*-dai-link$": false
+ then:
+ required:
+ - headset-codec
+ - speaker-codecs
+ else:
+ properties:
+ headset-codec: false
+ speaker-codecs: false
examples:
- |
@@ -76,23 +136,49 @@ examples:
sound: mt8186-sound {
compatible = "mediatek,mt8186-mt6366-rt1019-rt5682s-sound";
- mediatek,platform = <&afe>;
+ model = "mt8186_rt1019_rt5682s";
pinctrl-names = "aud_clk_mosi_off",
"aud_clk_mosi_on",
"aud_gpio_dmic_sec";
pinctrl-0 = <&aud_clk_mosi_off>;
pinctrl-1 = <&aud_clk_mosi_on>;
pinctrl-2 = <&aud_gpio_dmic_sec>;
+ mediatek,platform = <&afe>;
dmic-gpios = <&pio 23 GPIO_ACTIVE_HIGH>;
- headset-codec {
- sound-dai = <&rt5682s>;
+ audio-routing =
+ "Headphone", "HPOL",
+ "Headphone", "HPOR",
+ "IN1P", "Headset Mic",
+ "Speakers", "Speaker",
+ "HDMI1", "TX";
+
+ hs-playback-dai-link {
+ link-name = "I2S0";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&rt5682s 0>;
+ };
+ };
+
+ hs-capture-dai-link {
+ link-name = "I2S1";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&rt5682s 0>;
+ };
};
- playback-codecs {
- sound-dai = <&it6505dptx>,
- <&rt1019p>;
+ spk-hdmi-playback-dai-link {
+ link-name = "I2S3";
+ dai-format = "i2s";
+ mediatek,clk-provider = "cpu";
+ codec {
+ sound-dai = <&it6505dptx>, <&rt1019p>;
+ };
};
};
--
2.44.0
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