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      1 /*	$NetBSD: fdt_pinctrl.h,v 1.1 2025/09/06 20:11:30 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2019 Jason R. Thorpe
      5  * Copyright (c) 2017 Jared McNeill <jmcneill (at) invisible.ca>
      6  * Copyright (c) 2015 Martin Fouts
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _DEV_FDT_FDT_PINCTRL_H_
     32 #define	_DEV_FDT_FDT_PINCTRL_H_
     33 
     34 #include <sys/device.h>
     35 
     36 struct fdtbus_pinctrl_controller;
     37 
     38 struct fdtbus_pinctrl_pin {
     39 	struct fdtbus_pinctrl_controller *pp_pc;
     40 	void *pp_priv;
     41 };
     42 
     43 struct fdtbus_pinctrl_controller_func {
     44 	int (*set_config)(device_t, const void *, size_t);
     45 };
     46 
     47 int		fdtbus_register_pinctrl_config(device_t, int,
     48 		    const struct fdtbus_pinctrl_controller_func *);
     49 
     50 int		fdtbus_pinctrl_set_config_index(int, u_int);
     51 int		fdtbus_pinctrl_set_config(int, const char *);
     52 bool		fdtbus_pinctrl_has_config(int, const char *);
     53 const char *	fdtbus_pinctrl_parse_function(int);
     54 const void *	fdtbus_pinctrl_parse_pins(int, int *);
     55 const char *	fdtbus_pinctrl_parse_groups(int, int *);
     56 const u_int *	fdtbus_pinctrl_parse_pinmux(int, int *);
     57 int		fdtbus_pinctrl_parse_bias(int, int *);
     58 int		fdtbus_pinctrl_parse_drive(int);
     59 int		fdtbus_pinctrl_parse_drive_strength(int);
     60 int		fdtbus_pinctrl_parse_input_output(int, int *);
     61 
     62 #endif /* _DEV_FDT_FDT_PINCTRL_H_ */
     63