From: Fabio Estevam Date: Wed, 9 Sep 2015 01:18:15 +0000 (-0300) Subject: Doc: usb: ci-hdrc-usb2: Add phy-clkgate-delay-us entry X-Git-Tag: firefly_0821_release~176^2~804^2~11^2~6 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=17aa4450f8ac5390d517f03b3f25a54c5aeebe87;p=firefly-linux-kernel-4.4.55.git Doc: usb: ci-hdrc-usb2: Add phy-clkgate-delay-us entry Add an entry for the optional 'phy-clkgate-delay-us' property that is used to describe the delay time between putting PHY into low power mode and turning off the PHY clock. Signed-off-by: Li Jun Signed-off-by: Fabio Estevam Signed-off-by: Peter Chen --- diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index db48bad84228..77946f57a3a4 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -51,6 +51,8 @@ Optional properties: to external connector device, which provide "USB-HOST" cable events. If one of the external connector devices is not required, empty <0> phandle should be specified. +- phy-clkgate-delay-us: the delay time (us) between putting the PHY into + low power mode and gating the PHY clock. Example: @@ -68,4 +70,5 @@ Example: tx-burst-size-dword = <0x10>; /* 64 bytes */ rx-burst-size-dword = <0x10>; extcon = <0>, <&usb_id>; + phy-clkgate-delay-us = <400>; };