1 | /*- |
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2 | * Copyright (c) 2014 Ian Lepore <ian@freebsd.org> |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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24 | * SUCH DAMAGE. |
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25 | * |
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26 | * $FreeBSD: head/sys/arm/freescale/imx/imx_iomuxvar.h 321938 2017-08-02 18:28:06Z ian $ |
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27 | */ |
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28 | |
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29 | #ifndef IMX_IOMUXVAR_H |
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30 | #define IMX_IOMUXVAR_H |
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31 | |
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32 | /* |
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33 | * IOMUX interface functions |
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34 | */ |
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35 | void iomux_set_function(u_int pin, u_int fn); |
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36 | void iomux_set_pad(u_int pin, u_int cfg); |
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37 | u_int iomux_get_pad_config(u_int pin); |
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38 | |
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39 | /* |
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40 | * The IOMUX Controller device has a small set of "general purpose registers" |
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41 | * which control various aspects of SoC operation that really have nothing to do |
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42 | * with IO pin assignments or pad control. These functions let other soc level |
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43 | * code manipulate these values. |
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44 | */ |
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45 | uint32_t imx_iomux_gpr_get(u_int regaddr); |
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46 | void imx_iomux_gpr_set(u_int regaddr, uint32_t val); |
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47 | void imx_iomux_gpr_set_masked(u_int regaddr, uint32_t clrbits, uint32_t setbits); |
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48 | |
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49 | #endif |
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