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ASoC: bindings: wm8960: Add property for headphone detection

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Add two properties for headphone detection.

wlf,hp-cfg: A list of headphone jack detect configuration register values
wlf,gpio-cfg: A list of GPIO configuration register values

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1591180013-12416-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Shengjiu Wang 2020-06-03 18:26:52 +08:00 committed by Mark Brown
parent 14ebd62c12
commit 6f1519a0ff
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1 changed files with 11 additions and 0 deletions
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11
Documentation/devicetree/bindings/sound/wm8960.txt
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@ -21,6 +21,17 @@ Optional properties:
enabled and disabled together with HP_L and HP_R pins in response to jack
detect events.
- wlf,hp-cfg: A list of headphone jack detect configuration register values.
The list must be 3 entries long.
hp-cfg[0]: HPSEL[1:0] of R48 (Additional Control 4).
hp-cfg[1]: {HPSWEN:HPSWPOL} of R24 (Additional Control 2).
hp-cfg[2]: {TOCLKSEL:TOEN} of R23 (Additional Control 1).
- wlf,gpio-cfg: A list of GPIO configuration register values.
The list must be 2 entries long.
gpio-cfg[0]: ALRCGPIO of R9 (Audio interface)
gpio-cfg[1]: {GPIOPOL:GPIOSEL[2:0]} of R48 (Additional Control 4).
Example:
wm8960: codec@1a {