]> git.baikalelectronics.ru Git - kernel.git/commit
usb: ehci-platform: add optional reset controller retrieval
authorBoris BREZILLON <boris.brezillon@free-electrons.com>
Tue, 13 May 2014 15:44:19 +0000 (17:44 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 27 May 2014 22:53:01 +0000 (15:53 -0700)
commitf1e03bd3c652e3ce6758fec2a36e7e6c09fe961a
tree4ed108676d751e68b09ec2a81816e543bc4ca695
parent6b2b5f819e5b52a70f42d99db686e0947e7dcf0c
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>
Documentation/devicetree/bindings/usb/usb-ehci.txt
drivers/usb/host/ehci-platform.c