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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>
pull/10/head
Li Jun 2017-05-24 22:45:36 +08:00 committed by Jason Liu
parent 79d13a3068
commit a1966dd023
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
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@ -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: