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ASoC: dt-bindings: wlf,wm8782: Add wlf,fsampen property

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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>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230918131532.2257615-4-contact@jookia.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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John Watts 2023-09-18 23:15:32 +10:00 committed by Mark Brown
parent 5d34887eab
commit 5d5529b005
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GPG key ID: 24D68B725D5487D0
1 changed files with 7 additions and 0 deletions
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7
Documentation/devicetree/bindings/sound/wm8782.txt
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@ -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 */
};