1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-stmp378x/stmp378x_devb_rotdec.c b/arch/arm/mach-stmp378x/stmp378x_devb_rotdec.c
new file mode 100644
index 000000000000..05270fe39419
--- /dev/null
+++ b/arch/arm/mach-stmp378x/stmp378x_devb_rotdec.c
@@ -0,0 +1,47 @@
+/*
+ * Freescale STMP378X Rotary Encoder module pin multiplexing
+ *
+ * Author: Drew Benedetti <drewb@embeddedalley.com>
+ *
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <mach/pins.h>
+#include <mach/pinmux.h>
+
+#define ROTARY_FUN	PIN_FUN1
+
+#define TITLE	"stmp3xxx-rotdec"
+
+int rotdec_pinmux_request(void)
+{
+	int rc = 0;
+
+	rc |= stmp3xxx_request_pin(PINID_ROTARYA, ROTARY_FUN, TITLE);
+	rc |= stmp3xxx_request_pin(PINID_ROTARYB, ROTARY_FUN, TITLE);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(rotdec_pinmux_request);
+
+void rotdec_pinmux_free(void)
+{
+	stmp3xxx_release_pin(PINID_ROTARYA, TITLE);
+	stmp3xxx_release_pin(PINID_ROTARYB, TITLE);
+}
+EXPORT_SYMBOL_GPL(rotdec_pinmux_free);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Drew Benedetti <drewb@embeddedalley.com>");