Signed-off-by: Daniel Baluta <daniel.bal...@nxp.com>
---
 Documentation/devicetree/bindings/sound/ak5558.txt | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/ak5558.txt

diff --git a/Documentation/devicetree/bindings/sound/ak5558.txt 
b/Documentation/devicetree/bindings/sound/ak5558.txt
new file mode 100644
index 0000000..61c85568
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ak5558.txt
@@ -0,0 +1,23 @@
+AK5558 8 channel differential 32-bit delta-sigma ADC
+
+This device supports I2C mode only.
+
+Required properties:
+
+- compatible : "asahi-kasei,ak5558"
+- reg : The I2C address of the device for I2C.
+
+Optional properties:
+
+- reset-gpios: A GPIO specifier for the GPIO controlling
+       the power down & reset pin.
+
+Example:
+
+&i2c {
+       ak5558: ak5558@10 {
+               compatible = "asahi-kasei,ak5558";
+               reg = <0x10>;
+               reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+       };
+};
-- 
2.7.4

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