[PATCH v3 1/2] DTS: bindings: wl1251: mark ti,power-gpio as optional

[H. Nikolaus Schaller]

It is now only useful for SPI interface.
Power control of SDIO mode is done through mmc core.

Suggested by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt b/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
index f38950560982..88fd28d15eac 100644
--- a/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
+++ b/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
@@ -9,11 +9,12 @@ Required properties:
 - spi-max-frequency : Maximum SPI clocking speed of device in Hz
 - interrupts :        Should contain interrupt line
 - vio-supply :        phandle to regulator providing VIO
-- ti,power-gpio :     GPIO connected to chip's PMEN pin
 
 Optional properties:
 - ti,wl1251-has-eeprom : boolean, the wl1251 has an eeprom connected, which
                          provides configuration data (calibration, MAC, ...)
+- ti,power-gpio :	 GPIO connected to chip's PMEN pin if operated in
+			 SPI mode
 - Please consult Documentation/devicetree/bindings/spi/spi-bus.txt
   for optional SPI connection related properties,
 
-- 
2.23.0