[PATCH v2 3/3] ASoC: dt-bindings: wlf,wm8782: Add wlf,fsampen property

John Watts
2023-09-13T17:16:48Z

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@jookia.org>
---
Documentation/devicetree/bindings/sound/wm8782.txt | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/wm8782.txt b/Documentation/devicetree/bindings/sound/wm8782.txt
index 256cdec6ec4d..d217a616e103 100644
--- a/Documentation/devicetree/bindings/sound/wm8782.txt
+++ b/Documentation/devicetree/bindings/sound/wm8782.txt
@@ -8,10 +8,15 @@ 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
+
Example:

wm8782: stereo-adc {
compatible = "wlf,wm8782";
Vdda-supply = <&vdda_supply>;
Vdd-supply = <&vdd_supply>;
+ wlf,fsampen = <2>; /* 192KHz */
};
--
2.42.0