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authorVijay Kumar Banerjee <vijaykumar9597@gmail.com>2019-08-04 01:49:38 +0530
committerChristian Mauderer <oss@c-mauderer.de>2019-08-11 15:57:54 +0200
commite3bc24e616e1dfa9d6c6374153425451addaea0e (patch)
treebbed80aec9275412a9824eb228818416ef59644b /freebsd/sys/arm/ti/ti_pinmux.h
parentb68ca55c964cac5a6940e27f2880ee740cb1618a (diff)
downloadrtems-libbsd-e3bc24e616e1dfa9d6c6374153425451addaea0e.tar.bz2
Pinmux : Import from FreeBSD
Diffstat (limited to 'freebsd/sys/arm/ti/ti_pinmux.h')
-rw-r--r--freebsd/sys/arm/ti/ti_pinmux.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/freebsd/sys/arm/ti/ti_pinmux.h b/freebsd/sys/arm/ti/ti_pinmux.h
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+++ b/freebsd/sys/arm/ti/ti_pinmux.h
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+/*
+ * Copyright (c) 2010
+ * Ben Gray <ben.r.gray@gmail.com>.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Ben Gray.
+ * 4. The name of the company nor the name of the author may be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BEN GRAY ``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 BEN GRAY 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.
+ *
+ * $FreeBSD$
+ */
+
+
+/**
+ * Functions to configure the PIN multiplexing on the chip.
+ *
+ * This is different from the GPIO module in that it is used to configure the
+ * pins between modules not just GPIO input output.
+ *
+ */
+#ifndef _TI_PINMUX_H_
+#define _TI_PINMUX_H_
+
+struct ti_pinmux_padconf {
+ uint16_t reg_off;
+ uint16_t gpio_pin;
+ uint16_t gpio_mode;
+ const char *ballname;
+ const char *muxmodes[8];
+};
+
+struct ti_pinmux_padstate {
+ const char *state;
+ uint16_t reg;
+};
+
+struct ti_pinmux_device {
+ uint16_t padconf_muxmode_mask;
+ uint16_t padconf_sate_mask;
+ const struct ti_pinmux_padstate *padstate;
+ const struct ti_pinmux_padconf *padconf;
+};
+
+struct ti_pinmux_softc {
+ device_t sc_dev;
+ struct resource * sc_res[4];
+ bus_space_tag_t sc_bst;
+ bus_space_handle_t sc_bsh;
+};
+
+int ti_pinmux_padconf_set(const char *padname, const char *muxmode,
+ unsigned int state);
+int ti_pinmux_padconf_get(const char *padname, const char **muxmode,
+ unsigned int *state);
+int ti_pinmux_padconf_set_gpiomode(uint32_t gpio, unsigned int state);
+int ti_pinmux_padconf_get_gpiomode(uint32_t gpio, unsigned int *state);
+
+#endif /* _TI_SCM_H_ */