From: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
Date: Wed, 19 Oct 2011 12:18:41 +0000 (+0200)
Subject: usb/isp1760: Allow to optionally trigger low-level chip reset via GPIOLIB.
X-Git-Tag: v3.2-rc1~183^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a7655fcb210b349111251689d0a56b7250885ea;p=pandora-kernel.git

usb/isp1760: Allow to optionally trigger low-level chip reset via GPIOLIB.

Properly triggering the reset wire is necessary with the ISP1761 used
on Terasic DE4 Altera-FPGA boards using a NIOS2 processor, for example.

This is an optional implementation for the OF binding only. The other
bindings just pass an invalid GPIO to the isp1760_register() routine.

Example, usage in DTS:
        gpios = <&pio_isp1761rst_0 0 1>;
to point to a GPIO controller from within the ISP1761 node: GPIO 0, active low.

Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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