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authorJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
committerJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
commit86d688984deefa3ae5a802880c11f2b408b5d6cf (patch)
tree7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /arch/avr32/mach-at32ap/include/mach/portmux.h
parent93c06cbbf9fea5d5be1778febb7fa9ab1a74e5f5 (diff)
parent4c246edd2550304df5b766cc841584b2bb058843 (diff)
Merge branch 'master' into next
Diffstat (limited to 'arch/avr32/mach-at32ap/include/mach/portmux.h')
-rw-r--r--arch/avr32/mach-at32ap/include/mach/portmux.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/include/mach/portmux.h b/arch/avr32/mach-at32ap/include/mach/portmux.h
new file mode 100644
index 00000000000..b1abe6b4e4e
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/portmux.h
@@ -0,0 +1,29 @@
+/*
+ * AT32 portmux interface.
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_ARCH_PORTMUX_H__
+#define __ASM_ARCH_PORTMUX_H__
+
+/*
+ * Set up pin multiplexing, called from board init only.
+ *
+ * The following flags determine the initial state of the pin.
+ */
+#define AT32_GPIOF_PULLUP 0x00000001 /* (not-OUT) Enable pull-up */
+#define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */
+#define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */
+#define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */
+#define AT32_GPIOF_MULTIDRV 0x00000010 /* Enable multidriver option */
+
+void at32_select_periph(unsigned int pin, unsigned int periph,
+ unsigned long flags);
+void at32_select_gpio(unsigned int pin, unsigned long flags);
+void at32_reserve_pin(unsigned int pin);
+
+#endif /* __ASM_ARCH_PORTMUX_H__ */