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Diffstat (limited to 'sys/arm/ti/ti_scm.h')
-rw-r--r-- | sys/arm/ti/ti_scm.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sys/arm/ti/ti_scm.h b/sys/arm/ti/ti_scm.h new file mode 100644 index 000000000000..1342ddc6d03b --- /dev/null +++ b/sys/arm/ti/ti_scm.h @@ -0,0 +1,56 @@ +/* + * 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_SCM_H_ +#define _TI_SCM_H_ + +struct ti_scm_softc { + device_t sc_dev; + struct resource * sc_res[4]; + bus_space_tag_t sc_bst; + bus_space_handle_t sc_bsh; +}; + +int ti_scm_reg_read_4(uint32_t reg, uint32_t *val); +int ti_scm_reg_write_4(uint32_t reg, uint32_t val); + +#endif /* _TI_SCM_H_ */ |