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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:43:31 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:34 -0700 |
| commit | 5fd6badbd265ef45d3e1faebe5868426ab69595c (patch) | |
| tree | 51aa4fe2fb3d0af4e3fb80a1cd1ed4ceb6a8f7c8 /include/pwrseq.h | |
| parent | e1227764cdbcd397728e95de1662c2b9e967d5fe (diff) | |
| download | u-boot-imx-5fd6badbd265ef45d3e1faebe5868426ab69595c.zip u-boot-imx-5fd6badbd265ef45d3e1faebe5868426ab69595c.tar.gz u-boot-imx-5fd6badbd265ef45d3e1faebe5868426ab69595c.tar.bz2 | |
dm: Add a power sequencing uclass
Some devices need special sequences to be used when starting up. Add a
uclass for this. Drivers can be added to provide specific features as
needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/pwrseq.h')
| -rw-r--r-- | include/pwrseq.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/pwrseq.h b/include/pwrseq.h new file mode 100644 index 0000000..b934f29 --- /dev/null +++ b/include/pwrseq.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __pwrseq_h +#define __pwrseq_h + +struct pwrseq_ops { + int (*set_power)(struct udevice *dev, bool enable); +}; + +#define pwrseq_get_ops(dev) ((struct pwrseq_ops *)(dev)->driver->ops) + +int pwrseq_set_power(struct udevice *dev, bool enable); + +#endif |