projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| fc760cb8 SG |
2 | /* |
| 3 | * Copyright (c) 2016 Google, Inc | |
| 4 | * Written by Simon Glass <sjg@chromium.org> | |
| fc760cb8 SG |
5 | */ |
| 6 | ||
| b953ec2b PD |
7 | #define LOG_CATEGORY UCLASS_PWM |
| 8 | ||
| d678a59d | 9 | #include <common.h> |
| fc760cb8 SG |
10 | #include <dm.h> |
| 11 | #include <pwm.h> | |
| 12 | ||
| 0b60111a KY |
13 | int 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 | ||
| fc760cb8 SG |
23 | int 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 | ||
| 34 | int 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 | ||
| 44 | UCLASS_DRIVER(pwm) = { | |
| 45 | .id = UCLASS_PWM, | |
| 46 | .name = "pwm", | |
| 47 | }; |