Add documentation for device-tree binding of the generic gpio-vbus phy
controller.
Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
---
.../devicetree/bindings/phy/gpio-vbus.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/gpio-vbus.txt
diff --git a/Documentation/devicetree/bindings/phy/gpio-vbus.txt b/Documentation/devicetree/bindings/phy/gpio-vbus.txt
new file mode 100644
index 0000000..ffcfd35
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/gpio-vbus.txt
@@ -0,0 +1,23 @@
+GPIO VBus phy
+=============
+
+gpio-vbus is a phy controller supporting VBus detection and pullup activation on
+GPIOs.
+
+Required properties:
+- compatible : should be "generic,phy-gpio-vbus"
+- #phy-cells : from the generic PHY bindings, must be 1.
+- gpios : set of 2 gpio properties (see gpio.txt for gpio properties format)
+ first gpio is required, it's the VBus sensing input gpio
+ second gpio is optional, it's the D+ pullup controlling output
+ gpio
+
+Optional properties:
+- wakeup : boolean, if true the VBus gpio will wakeup the platform
+
+Example:
+ usb2phy : gpio-vbus@13 {
+ compatible = "generic,phy-gpio-vbus";
+ gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+ wakeup;
+ };
--
2.1.0
--
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