regulator: Add new driver for ST's PWM controlled voltage regulators

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On some STMicroelectronics hardware reside regulators consisting
partly of a PWM input connected to the feedback loop. As the PWM
duty-cycle is varied the output voltage adapts. This driver
allows us to vary the output voltage by adapting the PWM input
duty-cycle.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

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Lee Jones 2014-03-21 10:21:36 +00:00 • committed by Mark Brown

parent 38dbfb59d1

commit 4a5d301328

3 changed files with 200 additions and 0 deletions

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6

drivers/regulator/Kconfig

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1

drivers/regulator/Makefile

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193

drivers/regulator/st-pwm.c

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