From: Marcus Cooper <redacted>

Some codecs require a different amount of a bit clocks per frame
than what is calculated by using the sample width. Use a slot
width override property to provide this mechanism.

Signed-off-by: Marcus Cooper <redacted>
---
 Documentation/devicetree/bindings/sound/sun4i-i2s.txt |  5 +++++
 sound/soc/sunxi/sun4i-i2s.c                           | 15 ++++++++++++---
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt
index b9d50d6cdef3..48addef65b8f 100644
--- a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt

@@ -28,6 +28,11 @@ Required properties for the following compatibles:
        - "allwinner,sun8i-h3-i2s"
 - resets: phandle to the reset line for this codec

+Optional properties:
+- allwinner,slot-width-override:if this property is present then the dai is
+                               configured to extend the slot width to the
+                               value specified. Min 8, Max 32.
+