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      1 /* $NetBSD: meson_pinctrl.h,v 1.4 2021/01/01 07:21:58 ryo Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2019 Jared McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _MESON_PINCTRL_H
     30 #define _MESON_PINCTRL_H
     31 
     32 #include "opt_soc.h"
     33 
     34 #include <sys/bus.h>
     35 
     36 #define	MESON_PINCTRL_MAXBANK	8
     37 
     38 enum meson_pinctrl_regtype {
     39 	MESON_PINCTRL_REGTYPE_PULL,
     40 	MESON_PINCTRL_REGTYPE_PULL_ENABLE,
     41 	MESON_PINCTRL_REGTYPE_GPIO,
     42 };
     43 
     44 struct meson_pinctrl_gpioreg {
     45 	enum meson_pinctrl_regtype type;
     46 	bus_size_t reg;
     47 	uint32_t mask;
     48 };
     49 
     50 struct meson_pinctrl_gpio {
     51 	u_int id;
     52 	const char *name;
     53 	struct meson_pinctrl_gpioreg oen;
     54 	struct meson_pinctrl_gpioreg out;
     55 	struct meson_pinctrl_gpioreg in;
     56 	struct meson_pinctrl_gpioreg pupden;
     57 	struct meson_pinctrl_gpioreg pupd;
     58 };
     59 
     60 struct meson_pinctrl_group {
     61 	const char *name;
     62 	bus_size_t reg;
     63 	u_int bit;
     64 	u_int bank[MESON_PINCTRL_MAXBANK];
     65 	u_int nbank;
     66 
     67 	/* when (mask != 0), func/mask are used instead of 'u_int bit' */
     68 	uint32_t func;
     69 	uint32_t mask;
     70 
     71 };
     72 
     73 struct meson_pinctrl_config {
     74 	const char *name;
     75 	const struct meson_pinctrl_group *groups;
     76 	u_int ngroups;
     77 	const struct meson_pinctrl_gpio *gpios;
     78 	u_int ngpios;
     79 };
     80 
     81 #ifdef SOC_MESON8B
     82 extern const struct meson_pinctrl_config meson8b_aobus_pinctrl_config;
     83 extern const struct meson_pinctrl_config meson8b_cbus_pinctrl_config;
     84 #endif
     85 
     86 #ifdef SOC_MESONGXBB
     87 extern const struct meson_pinctrl_config mesongxbb_aobus_pinctrl_config;
     88 extern const struct meson_pinctrl_config mesongxbb_periphs_pinctrl_config;
     89 #endif
     90 
     91 #ifdef SOC_MESONGXL
     92 extern const struct meson_pinctrl_config mesongxl_aobus_pinctrl_config;
     93 extern const struct meson_pinctrl_config mesongxl_periphs_pinctrl_config;
     94 #endif
     95 
     96 #ifdef SOC_MESONG12
     97 extern const struct meson_pinctrl_config mesong12a_aobus_pinctrl_config;
     98 extern const struct meson_pinctrl_config mesong12a_periphs_pinctrl_config;
     99 #endif
    100 
    101 #endif /* !_MESON_PINCTRL_H */
    102