dt-bindings: ak4554: extension should be .txt

Signed-off-by: Raphaël Poggi <poggi.raph@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/ak4554.txt b/Documentation/devicetree/bindings/sound/ak4554.txt
new file mode 100644
index 000000000000..934fa02754b3
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ak4554.txt
@@ -0,0 +1,11 @@
+AK4554 ADC/DAC
+
+Required properties:
+
+  - compatible : "asahi-kasei,ak4554"
+
+Example:
+
+ak4554-adc-dac {
+        compatible = "asahi-kasei,ak4554";
+};