diff options
Diffstat (limited to 'Documentation/powerpc')
| -rw-r--r-- | Documentation/powerpc/dts-bindings/fsl/usb.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/powerpc/dts-bindings/fsl/usb.txt b/Documentation/powerpc/dts-bindings/fsl/usb.txt index b001524..bd5723f 100644 --- a/Documentation/powerpc/dts-bindings/fsl/usb.txt +++ b/Documentation/powerpc/dts-bindings/fsl/usb.txt @@ -8,6 +8,7 @@ and additions : Required properties : - compatible : Should be "fsl-usb2-mph" for multi port host USB controllers, or "fsl-usb2-dr" for dual role USB controllers + or "fsl,mpc5121-usb2-dr" for dual role USB controllers of MPC5121 - phy_type : For multi port host USB controllers, should be one of "ulpi", or "serial". For dual role USB controllers, should be one of "ulpi", "utmi", "utmi_wide", or "serial". @@ -33,6 +34,12 @@ Recommended properties : - interrupt-parent : the phandle for the interrupt controller that services interrupts for this device. +Optional properties : + - fsl,invert-drvvbus : boolean; for MPC5121 USB0 only. Indicates the + port power polarity of internal PHY signal DRVVBUS is inverted. + - fsl,invert-pwr-fault : boolean; for MPC5121 USB0 only. Indicates + the PWR_FAULT signal polarity is inverted. + Example multi port host USB controller device node : usb@22000 { compatible = "fsl-usb2-mph"; @@ -57,3 +64,18 @@ Example dual role USB controller device node : dr_mode = "otg"; phy = "ulpi"; }; + +Example dual role USB controller device node for MPC5121ADS: + + usb@4000 { + compatible = "fsl,mpc5121-usb2-dr"; + reg = <0x4000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupt-parent = < &ipic >; + interrupts = <44 0x8>; + dr_mode = "otg"; + phy_type = "utmi_wide"; + fsl,invert-drvvbus; + fsl,invert-pwr-fault; + }; |