| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2016 Google, Inc |
| * Written by Simon Glass <sjg@chromium.org> |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <pwm.h> |
| |
| int pwm_set_invert(struct udevice *dev, uint channel, bool polarity) |
| { |
| struct pwm_ops *ops = pwm_get_ops(dev); |
| |
| if (!ops->set_invert) |
| return -ENOSYS; |
| |
| return ops->set_invert(dev, channel, polarity); |
| } |
| |
| int pwm_set_config(struct udevice *dev, uint channel, uint period_ns, |
| uint duty_ns) |
| { |
| struct pwm_ops *ops = pwm_get_ops(dev); |
| |
| if (!ops->set_config) |
| return -ENOSYS; |
| |
| return ops->set_config(dev, channel, period_ns, duty_ns); |
| } |
| |
| int pwm_set_enable(struct udevice *dev, uint channel, bool enable) |
| { |
| struct pwm_ops *ops = pwm_get_ops(dev); |
| |
| if (!ops->set_enable) |
| return -ENOSYS; |
| |
| return ops->set_enable(dev, channel, enable); |
| } |
| #ifdef CONFIG_PWM_MESON |
| int pwm_set_times(struct udevice *dev, uint channel, uint times) |
| { |
| struct pwm_ops *ops = pwm_get_ops(dev); |
| |
| if (!ops->set_enable) |
| return -ENOSYS; |
| |
| return ops->set_times(dev, channel, times); |
| } |
| |
| int pwm_set_blink_times(struct udevice *dev, uint channel, uint times) |
| { |
| struct pwm_ops *ops = pwm_get_ops(dev); |
| |
| if (!ops->set_enable) |
| return -ENOSYS; |
| |
| return ops->set_blink_times(dev, channel, times); |
| } |
| |
| int pwm_set_blink_enable(struct udevice *dev, uint channel, bool enable) |
| { |
| struct pwm_ops *ops = pwm_get_ops(dev); |
| |
| if (!ops->set_enable) |
| return -ENOSYS; |
| |
| return ops->set_blink_enable(dev, channel, enable); |
| } |
| #endif |
| UCLASS_DRIVER(pwm) = { |
| .id = UCLASS_PWM, |
| .name = "pwm", |
| }; |
