Merge tag 'for-3.12-rc1' of git://gitorious.org/linux-pwm/linux-pwm

Merge tag 'for-3.12-rc1' of git://gitorious.org/linux-pwm/linux-pwm

Pull pwm changes from Thierry Reding:
 "A set of patches makes the device tree documentation for the various
  PWM drivers more consistent.  Device tree support is added to the
  Renesas TPU driver.  The sysfs interface now makes use of dev_groups.
  Other than that there is a healthy assortment of fixes and
  enhancements for minor issues that have shown up"

* tag 'for-3.12-rc1' of git://gitorious.org/linux-pwm/linux-pwm:
  pwm: pxa: Use module_platform_driver
  pwm: tiehrpwm: add missing __iomem annotation
  pwm: tiecap: add CONFIG_PM_SLEEP to ecap_pwm_{save,restore}_context()
  pwm: simplify use of devm_ioremap_resource
  pwm: renesas-tpu: Add DT support
  ARM: dts: Use the PWM polarity flags
  pwm: Update DT bindings to reference pwm.txt for cells documentation
  pwm: Use the DT macro directly when parsing PWM DT flags
  pwm: Add PWM polarity flag macro for DT
  pwm: mxs: Check the return value from stmp_reset_block()
  pwm: convert class code to use dev_groups