/*- * Copyright (c) 2014 Ian Lepore <ian@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 IMX_IOMUXVAR_H #define IMX_IOMUXVAR_H /* * IOMUX interface functions */ void iomux_set_function(u_int pin, u_int fn); void iomux_set_pad(u_int pin, u_int cfg); u_int iomux_get_pad_config(u_int pin); /* * The IOMUX Controller device has a small set of "general purpose registers" * which control various aspects of SoC operation that really have nothing to do * with IO pin assignments or pad control. These functions let other soc level * code manipulate these values. */ uint32_t imx_iomux_gpr_get(u_int regaddr); void imx_iomux_gpr_set(u_int regaddr, uint32_t val); void imx_iomux_gpr_set_masked(u_int regaddr, uint32_t clrbits, uint32_t setbits); #endif |