NFC: trf7970a: Document the 'autosuspend-delay' DTS property

The trf7970a driver recently had support added for the 'autosuspend-delay'
property so document it.

Signed-off-by: Mark A. Greer <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>

diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt
index 8dd3ef7bc56b560b1b4eb29c25feaf9f5d1785cc..1e436133685f91f470ba7f63e302503422bd818e 100644 (file)
--- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt
+++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt
@@ -12,6 +12,7 @@ Required properties:
 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.
 
 Example (for ARM-based BeagleBone with TRF7970A on SPI1):
 
@@ -29,6 +30,7 @@ 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>;
+               autosuspend-delay = <30000>;
                status = "okay";
        };
 };