[PATCH 01/18] dt-bindings: phy: tegra-xusb: Add usb-role-switch

From: Nagarjuna Kristam
Date: Fri Dec 06 2019 - 05:51:34 EST


Add usb-role-switch property for Tegra210 and Tegra186 platforms. This
entry is used by XUSB pad controller driver to register for role changes
for OTG/Peripheral capable USB 2 ports.

Signed-off-by: Nagarjuna Kristam <nkristam@xxxxxxxxxx>
---
Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
index 9fb682e..0f19ed6 100644
--- a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
+++ b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
@@ -179,6 +179,10 @@ Optional properties:
is internal. In the absence of this property the port is considered to be
external.
- vbus-supply: phandle to a regulator supplying the VBUS voltage.
+- usb-role-switch: boolean property to indicate use of USB Role Switch.
+ This property is MUST for OTG,Peripheral capable USB 2 ports. Connector
+ should be added as subnode, see connector.txt. vbus-gpio in connector is
+ Mandatory.

ULPI ports:
-----------
--
2.7.4