Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 16 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/wm8524.txt b/Documentation/devicetree/bindings/sound/wm8524.txt
new file mode 100644
index 000000000..f6c0c263b
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wm8524.txt
@@ -0,0 +1,16 @@
+WM8524 audio CODEC
+
+This device does not use I2C or SPI but a simple Hardware Control Interface.
+
+Required properties:
+
+  - compatible : "wlf,wm8524"
+
+  - wlf,mute-gpios: a GPIO spec for the MUTE pin.
+
+Example:
+
+wm8524: codec {
+	compatible = "wlf,wm8524";
+	wlf,mute-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+};