[ARM] pxa: Add bare bones PWM API
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
parent
b8291ad07a
commit
1a189b9719
|
@ -22,6 +22,9 @@ config ARM
|
|||
Europe. There is an ARM Linux project with a web page at
|
||||
<http://www.arm.linux.org.uk/>.
|
||||
|
||||
config HAVE_PWM
|
||||
bool
|
||||
|
||||
config SYS_SUPPORTS_APM_EMULATION
|
||||
bool
|
||||
|
||||
|
|
31
include/linux/pwm.h
Normal file
31
include/linux/pwm.h
Normal file
|
@ -0,0 +1,31 @@
|
|||
#ifndef __LINUX_PWM_H
|
||||
#define __LINUX_PWM_H
|
||||
|
||||
struct pwm_device;
|
||||
|
||||
/*
|
||||
* pwm_request - request a PWM device
|
||||
*/
|
||||
struct pwm_device *pwm_request(int pwm_id, const char *label);
|
||||
|
||||
/*
|
||||
* pwm_free - free a PWM device
|
||||
*/
|
||||
void pwm_free(struct pwm_device *pwm);
|
||||
|
||||
/*
|
||||
* pwm_config - change a PWM device configuration
|
||||
*/
|
||||
int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns);
|
||||
|
||||
/*
|
||||
* pwm_enable - start a PWM output toggling
|
||||
*/
|
||||
int pwm_enable(struct pwm_device *pwm);
|
||||
|
||||
/*
|
||||
* pwm_disable - stop a PWM output toggling
|
||||
*/
|
||||
void pwm_disable(struct pwm_device *pwm);
|
||||
|
||||
#endif /* __ASM_ARCH_PWM_H */
|
Loading…
Reference in a new issue