diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt | 1 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt index 6ea765ad3dad..34c952883276 100644 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt @@ -11,6 +11,7 @@ Required properties : - 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. + - nvidia,phy : phandle of the PHY instance, the controller is connected to. Required properties for phy_type == ulpi: - nvidia,phy-reset-gpio : The GPIO used to reset the PHY. diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt new file mode 100644 index 000000000000..84a4c12943af --- /dev/null +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt @@ -0,0 +1,14 @@ +Tegra SOC USB PHY + +The device node for Tegra SOC USB PHY: + +Required properties : + - compatible : Should be "nvidia,tegra20-usb-phy". + - reg : Address and length of the register set for the USB PHY interface. + - phy_type : Should be one of "ulpi" or "utmi". + +Optional properties: + - 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.
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