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+#
+# PWM infrastructure and devices
+#
+
+menuconfig GENERIC_PWM
+ tristate "PWM Support"
+ depends on SYSFS
+ help
+ This enables PWM support through the generic PWM library.
+ If unsure, say N.
+
+if GENERIC_PWM
+
+config ATMEL_PWM
+ tristate "Atmel AT32/AT91 PWM support"
+ depends on AVR32 || ARCH_AT91
+ help
+ This option enables device driver support for the PWMC
+ peripheral channels found on certain Atmel processors.
+ Pulse Width Modulation is used many for purposes, including
+ software controlled power-efficient backlights on LCD
+ displays, motor control, and waveform generation. If
+ unsure, say N.
+
+config GPIO_PWM
+ tristate "PWM emulation using GPIO"
+ help
+ This option enables a single-channel PWM device using
+ a kernel interval timer and a GPIO pin. If unsure, say N.
+
+endif