Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/wm8728.txt b/Documentation/devicetree/bindings/sound/wm8728.txt
new file mode 100644
index 000000000..a3608b4c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wm8728.txt
@@ -0,0 +1,18 @@
+WM8728 audio CODEC
+
+This device supports both I2C and SPI (configured with pin strapping
+on the board).
+
+Required properties:
+
+  - compatible : "wlf,wm8728"
+
+  - reg : the I2C address of the device for I2C, the chip select
+          number for SPI.
+
+Example:
+
+wm8728: codec@1a {
+	compatible = "wlf,wm8728";
+	reg = <0x1a>;
+};