u-boot/drivers/misc/pwrseq-uclass.c
Simon Glass 5fd6badbd2 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>
2016-01-21 20:42:34 -07:00

25 lines
397 B
C

/*
* Copyright (c) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <pwrseq.h>
int pwrseq_set_power(struct udevice *dev, bool enable)
{
struct pwrseq_ops *ops = pwrseq_get_ops(dev);
if (!ops->set_power)
return -ENOSYS;
return ops->set_power(dev, enable);
}
UCLASS_DRIVER(pwrseq) = {
.id = UCLASS_PWRSEQ,
.name = "pwrseq",
};