diff options
| author | Boris BREZILLON <boris.brezillon@free-electrons.com> | 2014-05-13 19:44:19 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-28 02:53:01 +0400 |
| commit | 2d87bbd634b0fe5aa2285fd2a095867158fb2cc3 (patch) | |
| tree | 4ed108676d751e68b09ec2a81816e543bc4ca695 /Documentation | |
| parent | 4615f3bd089fc4c549ed90e14982b360779feb50 (diff) | |
| download | linux-2d87bbd634b0fe5aa2285fd2a095867158fb2cc3.tar.xz | |
usb: ehci-platform: add optional reset controller retrieval
On the Allwinner's A31 SoC the reset line connected to the EHCI IP has to
be deasserted for the EHCI block to be usable.
Add support for an optional reset controller that will be deasserted on
power off and asserted on power on.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/usb-ehci.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/usb-ehci.txt b/Documentation/devicetree/bindings/usb/usb-ehci.txt index ff151ec084c4..43c1a4e06767 100644 --- a/Documentation/devicetree/bindings/usb/usb-ehci.txt +++ b/Documentation/devicetree/bindings/usb/usb-ehci.txt @@ -15,6 +15,7 @@ Optional properties: - clocks : a list of phandle + clock specifier pairs - phys : phandle + phy specifier pair - phy-names : "usb" + - resets : phandle + reset specifier pair Example (Sequoia 440EPx): ehci@e0000300 { |