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authorLinus Walleij <linus.walleij@linaro.org>2016-04-05 23:22:37 +0200
committerThierry Reding <thierry.reding@gmail.com>2016-07-11 12:49:29 +0200
commitef1f09eca74a42d39ce81adec444743a6ff018aa (patch)
tree50a9bc2d410da259e6099af45c0256d5f6886a36 /COPYING
parent27e8c8f3512371772b1fdd099466a8c198d05897 (diff)
downloadblackbird-op-linux-ef1f09eca74a42d39ce81adec444743a6ff018aa.tar.gz
blackbird-op-linux-ef1f09eca74a42d39ce81adec444743a6ff018aa.zip
pwm: Add a driver for the STMPE PWM
This adds a driver for the PWM block found in chips of the STMPE 24xx series of multi-purpose I2C expanders. (I think STMPE means ST Microelectronics Multi-Purpose Expander.) This PWM was designed in accordance with Nokia specifications and is kind of weird and usually just switched between max and zero duty cycle. However it is indeed a PWM so it needs to live in the PWM subsystem. This PWM is mostly used for white LED backlight. Cc: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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