The WM8782 can safely support rates higher than 48kHz by changing the
value of the FSAMPEN pin.
Allow specifying the FSAMPEN pin value in the device tree.
Signed-off-by: John Watts <contact@xxxxxxxxxx>
Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/sound/wm8782.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/wm8782.txt b/Documentation/devicetree/bindings/sound/wm8782.txt
index 256cdec6ec4d..1a28f3280972 100644
--- a/Documentation/devicetree/bindings/sound/wm8782.txt
+++ b/Documentation/devicetree/bindings/sound/wm8782.txt
@@ -8,10 +8,17 @@ Required properties:
- Vdda-supply : phandle to a regulator for the analog power supply (2.7V - 5.5V)
- Vdd-supply : phandle to a regulator for the digital power supply (2.7V - 3.6V)
+Optional properties:
+
+ - wlf,fsampen:
+ FSAMPEN pin value, 0 for low, 1 for high, 2 for disconnected.
+ Defaults to 0 if left unspecified.
+
Example:
wm8782: stereo-adc {
compatible = "wlf,wm8782";
Vdda-supply = <&vdda_supply>;
Vdd-supply = <&vdd_supply>;
+ wlf,fsampen = <2>; /* 192KHz */
};
--
2.42.0
