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Subject[PATCH v3 2/2] ASoC: ak4458: Add bindings for AK4458 DAC
Date
Document the bindings for AK4458 DAC

Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
---
Documentation/devicetree/bindings/sound/ak4458.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/ak4458.txt

diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt
new file mode 100644
index 0000000..7839be7
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ak4458.txt
@@ -0,0 +1,23 @@
+AK4458 audio DAC
+
+This device supports I2C mode.
+
+Required properties:
+
+- compatible : "asahi-kasei,ak4458"
+- reg : The I2C address of the device for I2C
+
+Optional properties:
+- reset-gpios: A GPIO specifier for the power down & reset pin
+- mute-gpios: A GPIO specifier for the soft mute pin
+
+Example:
+
+&i2c {
+ ak4458: dac@10 {
+ compatible = "asahi-kasei,ak4458";
+ reg = <0x10>;
+ reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>
+ mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>
+ };
+};
--
2.7.4
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