summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/sound/adi,adau7118.yaml')
-rw-r--r--Documentation/devicetree/bindings/sound/adi,adau7118.yaml85
1 files changed, 85 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
new file mode 100644
index 000000000000..75e0cbe6be70
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/adi,adau7118.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+
+title: Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter
+
+maintainers:
+ - Nuno Sá <nuno.sa@analog.com>
+
+description: |
+ Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter over I2C or HW
+ standalone mode.
+ https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU7118.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,adau7118
+
+ reg:
+ maxItems: 1
+
+ "#sound-dai-cells":
+ const: 0
+
+ iovdd-supply:
+ description: Digital Input/Output Power Supply.
+
+ dvdd-supply:
+ description: Internal Core Digital Power Supply.
+
+ adi,decimation-ratio:
+ description: |
+ This property set's the decimation ratio of PDM to PCM audio data.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum: [64, 32, 16]
+ default: 64
+
+ adi,pdm-clk-map:
+ description: |
+ The ADAU7118 has two PDM clocks for the four Inputs. Each input must be
+ assigned to one of these two clocks. This property set's the mapping
+ between the clocks and the inputs.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32-array
+ - minItems: 4
+ maxItems: 4
+ items:
+ maximum: 1
+ default: [0, 0, 1, 1]
+
+required:
+ - "#sound-dai-cells"
+ - compatible
+ - iovdd-supply
+ - dvdd-supply
+
+examples:
+ - |
+ i2c {
+ /* example with i2c support */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ adau7118_codec: audio-codec@14 {
+ compatible = "adi,adau7118";
+ reg = <0x14>;
+ #sound-dai-cells = <0>;
+ iovdd-supply = <&supply>;
+ dvdd-supply = <&supply>;
+ adi,pdm-clk-map = <1 1 0 0>;
+ adi,decimation-ratio = <16>;
+ };
+ };
+
+ /* example with hw standalone mode */
+ adau7118_codec_hw: adau7118-codec-hw {
+ compatible = "adi,adau7118";
+ #sound-dai-cells = <0>;
+ iovdd-supply = <&supply>;
+ dvdd-supply = <&supply>;
+ };