[PATCH] devicetree: sound: add binding for WM8974 codec

[Mans Rullgard <mans-2StjZFpD7GcAvxtiuMwx3w@public.gmane.org>]

This adds a binding for the Wolfson WM8974 mono audio codec.

Signed-off-by: Mans Rullgard <mans-2StjZFpD7GcAvxtiuMwx3w@public.gmane.org>
---
Sending this patch again, this time including Mark Brown.
---
 Documentation/devicetree/bindings/sound/wlf,wm8974.txt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/wlf,wm8974.txt

diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8974.txt b/Documentation/devicetree/bindings/sound/wlf,wm8974.txt
new file mode 100644
index 0000000..01d3a7c
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wlf,wm8974.txt
@@ -0,0 +1,15 @@
+WM8974 audio CODEC
+
+This device supports both I2C and SPI (configured with pin strapping
+on the board).
+
+Required properties:
+  - compatible: "wlf,wm8974"
+  - reg: the I2C address or SPI chip select number of the device
+
+Examples:
+
+codec: wm8974@1a {
+	compatible = "wlf,wm8974";
+	reg = <0x1a>;
+};
-- 
2.6.3

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