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8 Commits

Author SHA1 Message Date
Axel Lin
9c88669c2c pwm: twl: Really disable twl6030 PWMs 
Current twl6030_pwm_disable() implementation writes TWL6030_TOGGLE3_REG
twice, the second write sets TWL6030_PWMXEN bits so the PWM clock does
not disable.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
 2014-05-08 23:41:47 +02:00
Sachin Kamat
ea8eeb1502 pwm: twl: Include linux/of.h header 
'of_match_ptr' is defined in linux/of.h. Include it explicitly.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
 2013-10-08 15:45:44 +02:00
Thierry Reding
f1a8870aeb pwm: Constify OF match tables 
A few drivers already annotate this properly. Make the same change for
all other OF supporting drivers.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
 2013-04-23 07:42:20 +02:00
Axel Lin
c8e4df3109 pwm: twl: Return proper error if twl6030_pwm_enable() fails 
Return proper error instead of 0 if twl6030_pwm_enable() fails.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
 2013-04-02 11:32:14 +02:00
Axel Lin
d5714e8b9d pwm: twl: Add .owner to struct pwm_ops 
Add missing .owner of struct pwm_ops. This prevents the module from being
removed from underneath its users.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
 2013-04-02 11:30:18 +02:00
Johannes Thumshirn
30f7861703 pwm: twl: Use to_twl() instead of container_of() 
Always use to_twl() for converting into private data instead of
container_of().

Signed-off-by: Johannes Thumshirn <morbidrsa@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
 2013-02-17 11:27:07 +01:00
Florian Vaussard
2e2a0f6ed1 pwm: Add can_sleep property to drivers 
Calls to PWM drivers connected through I2C can sleep.
Use the new can_sleep property.

Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
 2013-01-30 09:12:51 +01:00
Peter Ujfalusi
3744c26386 pwm: New driver to support PWMs on TWL4030/6030 series of PMICs 
The driver supports the following PWM outputs:
TWL4030 PWM0 and PWM1
TWL6030 PWM1 and PWM2

On TWL4030 the PWM signals are muxed. Upon requesting the PWM the driver
will select the correct mux so the PWM can be used. When the PWM has been
freed the original configuration is going to be restored.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
 2012-11-28 15:16:19 +01:00