Mailing List Archive

Add soundcard bindings for the MT8365 SoC with the MT6357 audio codec.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
.../bindings/sound/mediatek,mt8365-mt6357.yaml | 107 +++++++++++++++++++++
1 file changed, 107 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8365-mt6357.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8365-mt6357.yaml
new file mode 100644
index 000000000000..f68883da1bb8
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8365-mt6357.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt8365-mt6357.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek MT8365 ASoC sound card
+
+maintainers:
+ - Alexandre Mergnat <amergnat@baylibre.com>
+
+properties:
+ compatible:
+ const: mediatek,mt8365-mt6357
+
+ pinctrl-names:
+ minItems: 1
+ items:
+ - const: default
+ - const: dmic
+ - const: miso_off
+ - const: miso_on
+ - const: mosi_off
+ - const: mosi_on
+
+ mediatek,platform:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: The phandle of MT8365 ASoC platform.
+
+patternProperties:
+ "^dai-link-[0-9]+$":
+ type: object
+ description:
+ Container for dai-link level properties and CODEC sub-nodes.
+
+ properties:
+ codec:
+ type: object
+ description: Holds subnode which indicates codec dai.
+
+ properties:
+ sound-dai:
+ maxItems: 1
+ description: phandle of the codec DAI
+
+ additionalProperties: false
+
+ link-name:
+ description: Indicates dai-link name and PCM stream name
+ enum:
+ - I2S_IN_BE
+ - I2S_OUT_BE
+ - PCM1_BE
+ - PDM1_BE
+ - PDM2_BE
+ - PDM3_BE
+ - PDM4_BE
+ - SPDIF_IN_BE
+ - SPDIF_OUT_BE
+ - TDM_IN_BE
+ - TDM_OUT_BE
+
+ sound-dai:
+ maxItems: 1
+ description: phandle of the CPU DAI
+
+ required:
+ - link-name
+ - sound-dai
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - pinctrl-names
+ - mediatek,platform
+
+additionalProperties: false
+
+examples:
+ - |
+ sound {
+ compatible = "mediatek,mt8365-mt6357";
+ pinctrl-names = "default",
+ "dmic",
+ "miso_off",
+ "miso_on",
+ "mosi_off",
+ "mosi_on";
+ pinctrl-0 = <&aud_default_pins>;
+ pinctrl-1 = <&aud_dmic_pins>;
+ pinctrl-2 = <&aud_miso_off_pins>;
+ pinctrl-3 = <&aud_miso_on_pins>;
+ pinctrl-4 = <&aud_mosi_off_pins>;
+ pinctrl-5 = <&aud_mosi_on_pins>;
+ mediatek,platform = <&afe>;
+
+ /* hdmi interface */
+ dai-link-0 {
+ link-name = "I2S_OUT_BE";
+ sound-dai = <&afe>;
+
+ codec {
+ sound-dai = <&it66121hdmitx>;
+ };
+ };
+ };

--
2.25.1