diff options
Diffstat (limited to 'sys/arm/broadcom/bcm2835/bcm2835_gpio.h')
-rw-r--r-- | sys/arm/broadcom/bcm2835/bcm2835_gpio.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sys/arm/broadcom/bcm2835/bcm2835_gpio.h b/sys/arm/broadcom/bcm2835/bcm2835_gpio.h new file mode 100644 index 0000000..911bcf2 --- /dev/null +++ b/sys/arm/broadcom/bcm2835/bcm2835_gpio.h @@ -0,0 +1,44 @@ +/*- + * Copyright (c) 2013 Oleksandr Tymoshenko <gonzo@bluezbox.com> + * + * 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 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _BCM2835_GPIO_H_ +#define _BCM2835_GPIO_H_ + +enum bcm_gpio_fsel { + BCM_GPIO_INPUT, + BCM_GPIO_OUTPUT, + BCM_GPIO_ALT5, + BCM_GPIO_ALT4, + BCM_GPIO_ALT0, + BCM_GPIO_ALT1, + BCM_GPIO_ALT2, + BCM_GPIO_ALT3, +}; + +void bcm_gpio_set_alternate(device_t, uint32_t, uint32_t); + +#endif /* _BCM2835_GPIO_H_ */ |