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/*-
* Copyright (c) 2014 Ian Lepore <ian@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef DEV_FDT_PINCTRL_H
#define DEV_FDT_PINCTRL_H
#include <rtems/bsd/local/fdt_pinctrl_if.h>
/*
* Configure pins by name or index. This looks up the pinctrl-N property in
* client's fdt data by index or name, and passes each handle in it to the
* pinctrl driver for configuration.
*/
int fdt_pinctrl_configure(device_t client, u_int index);
int fdt_pinctrl_configure_by_name(device_t client, const char * name);
/*
* Register a pinctrl driver so that it can be used by other devices which call
* fdt_pinctrl_configure(). The pinprop argument is the name of a property that
* identifies each descendent of the pinctrl node which is a pin configuration
* node whose xref phandle can be passed to FDT_PINCTRL_CONFIGURE(). If this is
* NULL, every descendant node is registered.
*/
int fdt_pinctrl_register(device_t pinctrl, const char *pinprop);
/*
* Walk the device tree and configure pins for each enabled device whose
* pinctrl-0 property contains references to nodes which are children of the
* given pinctrl device. This helper routine is for use by pinctrl drivers.
*/
int fdt_pinctrl_configure_tree(device_t pinctrl);
#endif /* DEV_FDT_PINCTRL_H */
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