blob: 648d0757ba620b51a9ddcb6d29ae618431c130be [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glassb3f07562016-01-21 19:44:54 -07002/*
3 * Copyright (c) 2016 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
Simon Glassb3f07562016-01-21 19:44:54 -07005 */
6
Patrick Delaunay81313352021-04-27 11:02:19 +02007#define LOG_CATEGORY UCLASS_PWM
8
Simon Glassb3f07562016-01-21 19:44:54 -07009#include <common.h>
10#include <dm.h>
11#include <pwm.h>
12
Kever Yang4c087422017-04-24 10:27:49 +080013int pwm_set_invert(struct udevice *dev, uint channel, bool polarity)
14{
15 struct pwm_ops *ops = pwm_get_ops(dev);
16
17 if (!ops->set_invert)
18 return -ENOSYS;
19
20 return ops->set_invert(dev, channel, polarity);
21}
22
Simon Glassb3f07562016-01-21 19:44:54 -070023int pwm_set_config(struct udevice *dev, uint channel, uint period_ns,
24 uint duty_ns)
25{
26 struct pwm_ops *ops = pwm_get_ops(dev);
27
28 if (!ops->set_config)
29 return -ENOSYS;
30
31 return ops->set_config(dev, channel, period_ns, duty_ns);
32}
33
34int pwm_set_enable(struct udevice *dev, uint channel, bool enable)
35{
36 struct pwm_ops *ops = pwm_get_ops(dev);
37
38 if (!ops->set_enable)
39 return -ENOSYS;
40
41 return ops->set_enable(dev, channel, enable);
42}
43
44UCLASS_DRIVER(pwm) = {
45 .id = UCLASS_PWM,
46 .name = "pwm",
47};