diff options
Diffstat (limited to 'qemu/roms/u-boot/doc/device-tree-bindings/usb/tegra-usb.txt')
| -rw-r--r-- | qemu/roms/u-boot/doc/device-tree-bindings/usb/tegra-usb.txt | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/qemu/roms/u-boot/doc/device-tree-bindings/usb/tegra-usb.txt b/qemu/roms/u-boot/doc/device-tree-bindings/usb/tegra-usb.txt deleted file mode 100644 index 5282d44ac..000000000 --- a/qemu/roms/u-boot/doc/device-tree-bindings/usb/tegra-usb.txt +++ /dev/null @@ -1,25 +0,0 @@ -Tegra SOC USB controllers - -The device node for a USB controller that is part of a Tegra -SOC is as described in the document "Open Firmware Recommended -Practice : Universal Serial Bus" with the following modifications -and additions : - -Required properties : - - compatible : Should be "nvidia,tegra20-ehci" for USB controllers - used in host mode. - - phy_type : Should be one of "ulpi" or "utmi". - - nvidia,vbus-gpio : If present, specifies a gpio that needs to be - activated for the bus to be powered. - -Optional properties: - - dr_mode : dual role mode. Indicates the working mode for - nvidia,tegra20-ehci compatible controllers. Can be "host", "peripheral", - or "otg". Default to "host" if not defined for backward compatibility. - host means this is a host controller - peripheral means it is device controller - otg means it can operate as either ("on the go") - - nvidia,has-legacy-mode : boolean indicates whether this controller can - operate in legacy mode (as APX 2500 / 2600). In legacy mode some - registers are accessed through the APB_MISC base address instead of - the USB controller. |