diff options
Diffstat (limited to 'dts/Bindings/usb/generic.txt')
| -rw-r--r-- | dts/Bindings/usb/generic.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/dts/Bindings/usb/generic.txt b/dts/Bindings/usb/generic.txt new file mode 100644 index 0000000000..477d5bb5e5 --- /dev/null +++ b/dts/Bindings/usb/generic.txt @@ -0,0 +1,24 @@ +Generic USB Properties + +Optional properties: + - maximum-speed: tells USB controllers we want to work up to a certain + speed. Valid arguments are "super-speed", "high-speed", + "full-speed" and "low-speed". In case this isn't passed + via DT, USB controllers should default to their maximum + HW capability. + - dr_mode: tells Dual-Role USB controllers that we want to work on a + particular mode. Valid arguments are "host", + "peripheral" and "otg". In case this attribute isn't + passed via DT, USB DRD controllers should default to + OTG. + +This is an attribute to a USB controller such as: + +dwc3@4a030000 { + compatible = "synopsys,dwc3"; + reg = <0x4a030000 0xcfff>; + interrupts = <0 92 4> + usb-phy = <&usb2_phy>, <&usb3,phy>; + maximum-speed = "super-speed"; + dr_mode = "otg"; +}; |