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dt-bindings: pinctrl: at91-pio4: add property for drive strength
Add drive strength property which is equivalent with the one in Linux Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
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@ -28,6 +28,8 @@ Optional properties:
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- GENERIC_PINCONFIG: generic pinconfig options to use, bias-disable,
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bias-pull-down, bias-pull-up, drive-open-drain, input-schmitt-enable,
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input-debounce.
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- atmel,drive-strength: 0 or 1 for low drive, 2 for medium drive and 3 for
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high drive. The default value is low drive.
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Example:
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