d78e89acec
gpio driver requires exact value to match SoC pin mode with GPIO pin direction
46 lines
2.0 KiB
C
46 lines
2.0 KiB
C
/*-
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* Copyright (c) 2012 Damjan Marion <dmarion@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef AM335X_SCM_PADCONF_H
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#define AM335X_SCM_PADCONF_H
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#define SLEWCTRL (0x01 << 6) /* faster(0) or slower(1) slew rate. */
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#define RXACTIVE (0x01 << 5) /* Input enable value for the Pad */
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#define PULLTYPESEL (0x01 << 4) /* Pad pullup/pulldown type selection */
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#define PULLUDEN (0x01 << 3) /* Pullup/pulldown disabled */
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#define PADCONF_OUTPUT (PULLUDEN)
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#define PADCONF_OUTPUT_PULLUP (PULLTYPESEL)
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#define PADCONF_OUTPUT_PULLDOWN (0)
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#define PADCONF_INPUT (RXACTIVE | PULLUDEN)
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#define PADCONF_INPUT_PULLUP (RXACTIVE | PULLTYPESEL)
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#define PADCONF_INPUT_PULLDOWN (RXACTIVE)
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#define PADCONF_INPUT_PULLUP_SLOW (PADCONF_INPUT_PULLUP | SLEWCTRL)
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#endif /* AM335X_SCM_PADCONF_H */
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