/* $NetBSD: bcm2835_gpioreg.h,v 1.6 2021/03/08 13:59:29 mlelstv Exp $ */ /* * Copyright (c) 2013 Jonathan A. Kollasch * 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 COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 COPYRIGHT HOLDER OR * CONTRIBUTORS 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. */ #ifndef _BROADCOM_BCM2835_GPIOREG_H_ #define _BROADCOM_BCM2835_GPIOREG_H_ #define BCM2835_GPIO_GPFSEL(x) (0x000 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPFSEL_PINS_PER_REGISTER 10 #define BCM2835_GPIO_GPFSEL_BITS_PER_PIN 3 #define BCM2835_GPIO_GPSET(x) (0x01C + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPSET_PINS_PER_REGISTER 32 #define BCM2835_GPIO_GPCLR(x) (0x028 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPCLR_PINS_PER_REGISTER BCM2835_GPIO_GPSET_PINS_PER_REGISTER #define BCM2835_GPIO_GPLEV(x) (0x034 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPLEV_PINS_PER_REGISTER 32 #define BCM2835_GPIO_GPEDS(x) (0x040 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPREN(x) (0x04C + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPFEN(x) (0x058 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPHEN(x) (0x064 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPLEN(x) (0x070 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPAREN(x) (0x07C + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPAFEN(x) (0x088 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPPUD (0x094) /* brcm,pull property */ #define BCM2835_GPIO_GPPUD_PULLOFF 0x0 #define BCM2835_GPIO_GPPUD_PULLDOWN 0x1 #define BCM2835_GPIO_GPPUD_PULLUP 0x2 #define BCM2835_GPIO_GPPUDCLK(x) (0x098 + (x) * sizeof(uint32_t)) #define BCM2835_GPIO_GPPUD_PINS_PER_REGISTER 32 #define BCM2838_GPIO_GPPUD_PULLOFF 0x0 #define BCM2838_GPIO_GPPUD_PULLDOWN 0x2 #define BCM2838_GPIO_GPPUD_PULLUP 0x1 #define BCM2838_GPIO_GPPUPPDN(x) (0x0e4 + (x) * sizeof(uint32_t)) #define BCM2838_GPIO_GPPUD_REGID(n) ((n) / 16) #define BCM2838_GPIO_GPPUD_MASK(n) (0x3 << ((n) % 16)*2) /* brcm,function property */ #define BCM2835_GPIO_IN 0 #define BCM2835_GPIO_OUT 1 #define BCM2835_GPIO_ALT5 2 #define BCM2835_GPIO_ALT4 3 #define BCM2835_GPIO_ALT0 4 #define BCM2835_GPIO_ALT1 5 #define BCM2835_GPIO_ALT2 6 #define BCM2835_GPIO_ALT3 7 /* Undocumented register to multiplex emmc2 pins to legacy sdhc */ #define BCM2838_GPIO_MUX 0x0d0 #define BCM2838_GPIO_MUX_LEGACY 0x2 #endif /* _BROADCOM_BCM2835_GPIOREG_H_ */ |