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

Rob Herring
2023-09-14T14:52:38Z

On Thu, Sep 14, 2023 at 03:15:52AM +1000, John Watts wrote:
> 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

What's the default if the property is not present?

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