diff options
| author | Li Jun <jun.li@nxp.com> | 2017-05-24 22:45:36 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | 92bb0943b184abdb6a7b029a8a409a88bb79111e (patch) | |
| tree | 87db75012fe9d88f0c060157d7959a04a7e36d23 /Documentation/devicetree/bindings/usb | |
| parent | 3dee3892ad635ca0c118036b46b2deafd5ec6905 (diff) | |
MLK-14947-3 usb: doc: chipidea: imx: add power-polarity-active-high property
USB host vbus control can be via port power(PP) bit of ehci, there
is a polarity setting in controller register for this signal, if
power supply chip use active high, add this property.
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index db7bc373b528..cfe0be612eba 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -96,6 +96,9 @@ i.mx specific properties - osc-clkgate-delay: the delay between powering up the xtal 24MHz clock and release the clock to the digital logic inside the analog block, 0 <= osc-clkgate-delay <= 7. +- power-polarity-active-high: add this property if port power function of ehci + is used to enable vbus, and the vbus power supply chip enable signal is high + active. Examples: |