summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/gpio.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
commit251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3 (patch)
tree3c20c3e080f276848f2ad67aadab44a5d64bfda9 /arch/powerpc/include/asm/gpio.h
parent6679ce6e5f519096612b480d255d9ca97be0c2be (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
downloadkernel-crypto-251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3.tar.gz
kernel-crypto-251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3.tar.xz
kernel-crypto-251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3.zip
Merge branch 'linus' into sched/urgent
Diffstat (limited to 'arch/powerpc/include/asm/gpio.h')
-rw-r--r--arch/powerpc/include/asm/gpio.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/gpio.h b/arch/powerpc/include/asm/gpio.h
new file mode 100644
index 00000000000..ea04632399d
--- /dev/null
+++ b/arch/powerpc/include/asm/gpio.h
@@ -0,0 +1,56 @@
+/*
+ * Generic GPIO API implementation for PowerPC.
+ *
+ * Copyright (c) 2007-2008 MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.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; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __ASM_POWERPC_GPIO_H
+#define __ASM_POWERPC_GPIO_H
+
+#include <linux/errno.h>
+#include <asm-generic/gpio.h>
+
+#ifdef CONFIG_GPIOLIB
+
+/*
+ * We don't (yet) implement inlined/rapid versions for on-chip gpios.
+ * Just call gpiolib.
+ */
+static inline int gpio_get_value(unsigned int gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+ return __gpio_cansleep(gpio);
+}
+
+/*
+ * Not implemented, yet.
+ */
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* __ASM_POWERPC_GPIO_H */