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- /*
- * header file for pwm driver.
- *
- * Copyright 2016 Google Inc.
- * Copyright (c) 2011 samsung electronics
- * Donghwa Lee <dh09.lee@samsung.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #ifndef _pwm_h_
- #define _pwm_h_
- /* struct pwm_ops: Operations for the PWM uclass */
- struct pwm_ops {
- /**
- * set_config() - Set the PWM configuration
- *
- * @dev: PWM device to update
- * @channel: PWM channel to update
- * @period_ns: PWM period in nanoseconds
- * @duty_ns: PWM duty period in nanoseconds
- * @return 0 if OK, -ve on error
- */
- int (*set_config)(struct udevice *dev, uint channel, uint period_ns,
- uint duty_ns);
- /**
- * set_enable() - Enable or disable the PWM
- *
- * @dev: PWM device to update
- * @channel: PWM channel to update
- * @enable: true to enable, false to disable
- * @return 0 if OK, -ve on error
- */
- int (*set_enable)(struct udevice *dev, uint channel, bool enable);
- };
- #define pwm_get_ops(dev) ((struct pwm_ops *)(dev)->driver->ops)
- /**
- * pwm_set_config() - Set the PWM configuration
- *
- * @dev: PWM device to update
- * @channel: PWM channel to update
- * @period_ns: PWM period in nanoseconds
- * @duty_ns: PWM duty period in nanoseconds
- * @return 0 if OK, -ve on error
- */
- int pwm_set_config(struct udevice *dev, uint channel, uint period_ns,
- uint duty_ns);
- /**
- * pwm_set_enable() - Enable or disable the PWM
- *
- * @dev: PWM device to update
- * @channel: PWM channel to update
- * @enable: true to enable, false to disable
- * @return 0 if OK, -ve on error
- */
- int pwm_set_enable(struct udevice *dev, uint channel, bool enable);
- /* Legacy interface */
- #ifndef CONFIG_DM_PWM
- int pwm_init (int pwm_id, int div, int invert);
- int pwm_config (int pwm_id, int duty_ns, int period_ns);
- int pwm_enable (int pwm_id);
- void pwm_disable (int pwm_id);
- #endif
- #endif /* _pwm_h_ */
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