freebsd-skq/sys/arm/ti/am335x/am335x_scm_padconf.h
gonzo d78e89acec Synchronize PIN input/output modes with gnu/dts/include/dt-bindings/pinctrl/am33xx.h
gpio driver requires exact value to match SoC pin mode with GPIO pin direction
2015-07-25 03:03:32 +00:00

46 lines
2.0 KiB
C

/*-
* Copyright (c) 2012 Damjan Marion <dmarion@FreeBSD.org>
* 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 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 AM335X_SCM_PADCONF_H
#define AM335X_SCM_PADCONF_H
#define SLEWCTRL (0x01 << 6) /* faster(0) or slower(1) slew rate. */
#define RXACTIVE (0x01 << 5) /* Input enable value for the Pad */
#define PULLTYPESEL (0x01 << 4) /* Pad pullup/pulldown type selection */
#define PULLUDEN (0x01 << 3) /* Pullup/pulldown disabled */
#define PADCONF_OUTPUT (PULLUDEN)
#define PADCONF_OUTPUT_PULLUP (PULLTYPESEL)
#define PADCONF_OUTPUT_PULLDOWN (0)
#define PADCONF_INPUT (RXACTIVE | PULLUDEN)
#define PADCONF_INPUT_PULLUP (RXACTIVE | PULLTYPESEL)
#define PADCONF_INPUT_PULLDOWN (RXACTIVE)
#define PADCONF_INPUT_PULLUP_SLOW (PADCONF_INPUT_PULLUP | SLEWCTRL)
#endif /* AM335X_SCM_PADCONF_H */