From: Hartley Sweeten <hartleys@visionengravers.com>
Date: Wed, 29 Jul 2009 21:41:06 +0000 (+0100)
Subject: ARM: 5628/1: ep93xx: Introduce Pulse Width Modulator (PWM) driver
X-Git-Tag: v2.6.32-rc1~691^2~2^4~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef12379f205bed7e92434e12ddd44e62d13bebe1;p=pandora-kernel.git

ARM: 5628/1: ep93xx: Introduce Pulse Width Modulator (PWM) driver

The EP93xx features two PWMs (one on the EP9307) with the following
features:

  * Configurable dual output
  * Separate input clocks for each PWM output
  * 16-bit resolution
  * Programmable pulse width (duty cycle), interval (frequency), and
    polarity

This adds the necessary core support as well as the driver.  A sysfs
interface is provided to control the PWM outputs.

Signed-off-by: Matthieu Crapet <mcrapet@gmail.com>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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