aboutsummaryrefslogtreecommitdiff
path: root/arch/m68k/include/asm/pinmux.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/include/asm/pinmux.h')
-rw-r--r--arch/m68k/include/asm/pinmux.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/pinmux.h b/arch/m68k/include/asm/pinmux.h
new file mode 100644
index 00000000000..119ee686dbd
--- /dev/null
+++ b/arch/m68k/include/asm/pinmux.h
@@ -0,0 +1,30 @@
+/*
+ * Coldfire generic GPIO pinmux support.
+ *
+ * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef pinmux_h
+#define pinmux_h
+
+#define MCFPINMUX_NONE -1
+
+extern int mcf_pinmux_request(unsigned, unsigned);
+extern void mcf_pinmux_release(unsigned, unsigned);
+
+static inline int mcf_pinmux_is_valid(unsigned pinmux)
+{
+ return pinmux != MCFPINMUX_NONE;
+}
+
+#endif
+