Import am335x usb driver file from FreeBSD.

1 files changed, 58 insertions, 0 deletions

diff --git a/freebsd/sys/dev/fdt/fdt_pinctrl.h b/freebsd/sys/dev/fdt/fdt_pinctrl.h
new file mode 100644
index 00000000..507d13ff
--- /dev/null
+++ b/freebsd/sys/dev/fdt/fdt_pinctrl.h
@@ -0,0 +1,58 @@
+/*-
+ * 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 ``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 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 DEV_FDT_PINCTRL_H
+#define DEV_FDT_PINCTRL_H
+
+#include <rtems/bsd/local/fdt_pinctrl_if.h>
+
+/*
+ * Configure pins by name or index.  This looks up the pinctrl-N property in
+ * client's fdt data by index or name, and passes each handle in it to the
+ * pinctrl driver for configuration.
+ */
+int fdt_pinctrl_configure(device_t client, u_int index);
+int fdt_pinctrl_configure_by_name(device_t client, const char * name);
+
+/*
+ * Register a pinctrl driver so that it can be used by other devices which call
+ * fdt_pinctrl_configure().  The pinprop argument is the name of a property that
+ * identifies each descendent of the pinctrl node which is a pin configuration
+ * node whose xref phandle can be passed to FDT_PINCTRL_CONFIGURE().  If this is
+ * NULL, every descendant node is registered.
+ */
+int fdt_pinctrl_register(device_t pinctrl, const char *pinprop);
+
+/*
+ * Walk the device tree and configure pins for each enabled device whose
+ * pinctrl-0 property contains references to nodes which are children of the
+ * given pinctrl device.  This helper routine is for use by pinctrl drivers.
+ */
+int fdt_pinctrl_configure_tree(device_t pinctrl);
+
+#endif /* DEV_FDT_PINCTRL_H */
+