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-rw-r--r--Documentation/devicetree/bindings/usb/generic.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
index bba825711873..bfadeb1c3bab 100644
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ b/Documentation/devicetree/bindings/usb/generic.txt
@@ -11,6 +11,11 @@ Optional properties:
"peripheral" and "otg". In case this attribute isn't
passed via DT, USB DRD controllers should default to
OTG.
+ - phy_type: tells USB controllers that we want to configure the core to support
+ a UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is
+ selected. Valid arguments are "utmi" and "utmi_wide".
+ In case this isn't passed via DT, USB controllers should
+ default to HW capability.
- otg-rev: tells usb driver the release number of the OTG and EH supplement
with which the device and its descriptors are compliant,
in binary-coded decimal (i.e. 2.0 is 0200H). This
@@ -34,6 +39,7 @@ dwc3@4a030000 {
usb-phy = <&usb2_phy>, <&usb3,phy>;
maximum-speed = "super-speed";
dr_mode = "otg";
+ phy_type = "utmi_wide";
otg-rev = <0x0200>;
adp-disable;
};