Add otg version, srp, hnp and adp support for usb OTG port, then those OTG
features don't have to be decided by usb gadget drivers.
Signed-off-by: Li Jun <jun.li@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/usb/generic.txt | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
index 477d5bb..7386f4a 100644
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ b/Documentation/devicetree/bindings/usb/generic.txt
@@ -11,6 +11,12 @@ Optional properties:
"peripheral" and "otg". In case this attribute isn't
passed via DT, USB DRD controllers should default to
OTG.
+ - 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).
+ - srp-support: tells OTG controllers we want to enable SRP.
+ - hnp-support: tells OTG controllers we want to enable HNP.
+ - adp-support: tells OTG controllers we want to enable ADP.
This is an attribute to a USB controller such as:
@@ -21,4 +27,8 @@ dwc3@4a030000 {
usb-phy = <&usb2_phy>, <&usb3,phy>;
maximum-speed = "super-speed";
dr_mode = "otg";
+ otg-rev = <0x0200>;
+ srp-support;
+ hnp-support;
+ adp-support;
};
--
1.9.1
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