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bcm2835_gpioreg.h revision 1.4 
      1 /*	$NetBSD: bcm2835_gpioreg.h,v 1.4 2017/12/10 21:38:26 skrll Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2013 Jonathan A. Kollasch
      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 COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _BROADCOM_BCM2835_GPIOREG_H_
     30 #define _BROADCOM_BCM2835_GPIOREG_H_
     31 
     32 #define BCM2835_GPIO_GPFSEL(x)	(0x000 + (x) * sizeof(uint32_t))
     33 #define BCM2835_GPIO_GPFSEL_PINS_PER_REGISTER	10
     34 #define BCM2835_GPIO_GPFSEL_BITS_PER_PIN	3
     35 
     36 #define BCM2835_GPIO_GPSET(x)	(0x01C + (x) * sizeof(uint32_t))
     37 #define BCM2835_GPIO_GPSET_PINS_PER_REGISTER 32
     38 #define BCM2835_GPIO_GPCLR(x)	(0x028 + (x) * sizeof(uint32_t))
     39 #define BCM2835_GPIO_GPCLR_PINS_PER_REGISTER BCM2835_GPIO_GPSET_PINS_PER_REGISTER
     40 #define BCM2835_GPIO_GPLEV(x)	(0x034 + (x) * sizeof(uint32_t))
     41 #define BCM2835_GPIO_GPLEV_PINS_PER_REGISTER 32
     42 #define BCM2835_GPIO_GPEDS(x)	(0x040 + (x) * sizeof(uint32_t))
     43 #define BCM2835_GPIO_GPREN(x)	(0x04C + (x) * sizeof(uint32_t))
     44 #define BCM2835_GPIO_GPFEN(x)	(0x058 + (x) * sizeof(uint32_t))
     45 #define BCM2835_GPIO_GPHEN(x)	(0x064 + (x) * sizeof(uint32_t))
     46 #define BCM2835_GPIO_GPLEN(x)	(0x070 + (x) * sizeof(uint32_t))
     47 #define BCM2835_GPIO_GPAREN(x)	(0x07C + (x) * sizeof(uint32_t))
     48 #define BCM2835_GPIO_GPAFEN(x)	(0x088 + (x) * sizeof(uint32_t))
     49 
     50 #define BCM2835_GPIO_GPPUD	(0x094)
     51 /* brcm,pull property */
     52 #define  BCM2835_GPIO_GPPUD_PULLOFF	0x0
     53 #define  BCM2835_GPIO_GPPUD_PULLDOWN	0x1
     54 #define  BCM2835_GPIO_GPPUD_PULLUP	0x2
     55 #define BCM2835_GPIO_GPPUDCLK(x)	(0x098 + (x) * sizeof(uint32_t))
     56 #define BCM2835_GPIO_GPPUD_PINS_PER_REGISTER 32
     57 
     58 /* brcm,function property */
     59 #define BCM2835_GPIO_IN		0
     60 #define BCM2835_GPIO_OUT	1
     61 #define BCM2835_GPIO_ALT5	2
     62 #define BCM2835_GPIO_ALT4	3
     63 #define BCM2835_GPIO_ALT0	4
     64 #define BCM2835_GPIO_ALT1	5
     65 #define BCM2835_GPIO_ALT2	6
     66 #define BCM2835_GPIO_ALT3	7
     67 
     68 #endif /* _BROADCOM_BCM2835_GPIOREG_H_ */
     69