1 /* 2 * Copyright (c) 2016 Google, Inc 3 * Written by Simon Glass <sjg@chromium.org> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <dm.h> 10 #include <pwm.h> 11 12 int pwm_set_config(struct udevice *dev, uint channel, uint period_ns, 13 uint duty_ns) 14 { 15 struct pwm_ops *ops = pwm_get_ops(dev); 16 17 if (!ops->set_config) 18 return -ENOSYS; 19 20 return ops->set_config(dev, channel, period_ns, duty_ns); 21 } 22 23 int pwm_set_enable(struct udevice *dev, uint channel, bool enable) 24 { 25 struct pwm_ops *ops = pwm_get_ops(dev); 26 27 if (!ops->set_enable) 28 return -ENOSYS; 29 30 return ops->set_enable(dev, channel, enable); 31 } 32 33 UCLASS_DRIVER(pwm) = { 34 .id = UCLASS_PWM, 35 .name = "pwm", 36 }; 37