imx6_anatopvar.h revision 266201
1233294Sstas/*- 2178825Sdfr * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> 3178825Sdfr * All rights reserved. 4178825Sdfr * 5178825Sdfr * Redistribution and use in source and binary forms, with or without 6178825Sdfr * modification, are permitted provided that the following conditions 7178825Sdfr * are met: 8178825Sdfr * 1. Redistributions of source code must retain the above copyright 9178825Sdfr * notice, this list of conditions and the following disclaimer. 10178825Sdfr * 2. Redistributions in binary form must reproduce the above copyright 11178825Sdfr * notice, this list of conditions and the following disclaimer in the 12178825Sdfr * documentation and/or other materials provided with the distribution. 13178825Sdfr * 14178825Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15178825Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16178825Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17178825Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18178825Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19178825Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20178825Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21178825Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22178825Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23178825Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24178825Sdfr * SUCH DAMAGE. 25178825Sdfr * 26178825Sdfr * $FreeBSD: stable/10/sys/arm/freescale/imx/imx6_anatopvar.h 266201 2014-05-15 22:50:06Z ian $ 27178825Sdfr */ 28178825Sdfr 29178825Sdfr#ifndef IMX6_ANATOPVAR_H 30178825Sdfr#define IMX6_ANATOPVAR_H 31178825Sdfr 32178825Sdfr/* 33178825Sdfr * All registers controlling various analog aspects of the SoC (such as PLLs or 34178825Sdfr * voltage regulators or USB VBUS detection) are gathered together under the 35178825Sdfr * anatop device (because of newbus hierarchical resource management), but other 36178825Sdfr * drivers such as CMM or USBPHY need access to these registers. These 37178825Sdfr * functions let them have at the hardware directly. No effort is made by these 38178825Sdfr * functions to mediate concurrent access. 39178825Sdfr */ 40178825Sdfruint32_t imx6_anatop_read_4(bus_size_t _offset); 41178825Sdfrvoid imx6_anatop_write_4(bus_size_t _offset, uint32_t _value); 42178825Sdfr 43178825Sdfruint32_t imx6_get_cpu_clock(void); 44178825Sdfr 45178825Sdfr#endif 46178825Sdfr