1 files changed, 49 insertions, 0 deletions
diff --git a/freebsd/sys/arm/freescale/imx/imx6_anatopvar.h b/freebsd/sys/arm/freescale/imx/imx6_anatopvar.h
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+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2013 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	IMX6_ANATOPVAR_H
+#define	IMX6_ANATOPVAR_H
+
+/*
+ * All registers controlling various analog aspects of the SoC (such as PLLs or
+ * voltage regulators or USB VBUS detection) are gathered together under the
+ * anatop device (because of newbus hierarchical resource management), but other
+ * drivers such as CMM or USBPHY need access to these registers.  These
+ * functions let them have at the hardware directly.  No effort is made by these
+ * functions to mediate concurrent access.
+ */
+uint32_t imx6_anatop_read_4(bus_size_t _offset);
+void imx6_anatop_write_4(bus_size_t _offset, uint32_t _value);
+
+uint32_t imx6_get_cpu_clock(void);
+
+uint32_t pll4_configure_output(uint32_t mfi, uint32_t mfn, uint32_t mfd);
+
+#endif