[ARM] pxa: Add bare bones PWM API

	  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

#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 */