From 5fd6badbd265ef45d3e1faebe5868426ab69595c Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 21 Jan 2016 19:43:31 -0700 Subject: 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 --- include/pwrseq.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 include/pwrseq.h (limited to 'include/pwrseq.h') diff --git a/include/pwrseq.h b/include/pwrseq.h new file mode 100644 index 0000000000..b934f29fac --- /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 -- cgit v1.2.3