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Diffstat (limited to 'drivers/pwm/Kconfig')
-rw-r--r-- | drivers/pwm/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index 6ac9e4cb7f2f..68b07223486d 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -177,6 +177,21 @@ config PWM_IMG To compile this driver as a module, choose M here: the module will be called pwm-img +config PWM_GPIO + tristate "Generic GPIO bit-banged PWM driver" + depends on OF + depends on GPIOLIB + help + Some platforms do not offer any hardware PWM capabilities but do have + General Purpose Input Output (GPIO) pins available. Using the kernels + High-Resolution Timer API this driver tries to toggle GPIO using the + generic kernel PWM framework. The maximum frequency and/or accuracy + is dependent on several factors such as system load and the maximum + speed a pin can be toggled at the hardware. + + To compile this driver as a module, choose M here: the module + will be called pwm-gpio. + config PWM_IMX tristate "i.MX PWM support" depends on ARCH_MXC |