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Commit c2b33de0 authored by Mark A. Greer's avatar Mark A. Greer Committed by Samuel Ortiz
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NFC: trf7970a: Document the 'vin-voltage-override' DTS property 



The trf7970a driver recently had support for the
'vin-voltage-override' property added to it.  This
property is used to override the value given by
the regulator subsystem for the VIN pin's voltage.

Signed-off-by: default avatarMark A. Greer <mgreer@animalcreek.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 3bd14233

Documentation/devicetree/bindings/net/nfc/trf7970a.txt

+2 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ Optional SoC Specific Properties: 
- pinctrl-names: Contains only one value - "default".

- pintctrl-0: Specifies the pin control groups used for this controller.

- autosuspend-delay: Specify autosuspend delay in milliseconds.

- vin-voltage-override: Specify voltage of VIN pin in microvolts.



Example (for ARM-based BeagleBone with TRF7970A on SPI1):
@@ -30,6 +31,7 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1): 
		ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>,

				  <&gpio2 5 GPIO_ACTIVE_LOW>;

		vin-supply = <&ldo3_reg>;

		vin-voltage-override = <5000000>;

		autosuspend-delay = <30000>;

		status = "okay";

	};