dt-bindings: usb: atmel: add USB PHY type property

Add USB PHY type property for controllers with HSIC support.

Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Link: https://lore.kernel.org/r/20210910163842.1596407-2-cristian.birsan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/usb/atmel-usb.txt b/Documentation/devicetree/bindings/usb/atmel-usb.txt
index a400262..f512f02 100644 (file)
--- a/Documentation/devicetree/bindings/usb/atmel-usb.txt
+++ b/Documentation/devicetree/bindings/usb/atmel-usb.txt
@@ -39,6 +39,10 @@ Required properties:
                "ehci_clk" for the peripheral clock
                "usb_clk" for the UTMI clock
 
+Optional properties:
+ - phy_type : For multi port host USB controllers, should be one of
+   "utmi", or "hsic".
+
 usb1: ehci@800000 {
        compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
        reg = <0x00800000 0x100000>;