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authorTzachi Perelstein <tzachi@marvell.com>2007-10-23 15:14:42 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-01-26 15:03:45 +0000
commit01af72e4e36fba66cd7cfc2a628efee866c346d1 (patch)
tree5e2c795f7cfa2ebb876d5244d7126cf8d4fb5896 /include/asm-arm
parentc67de5b3c0bb48ac56f14928e11f1f7d76add26f (diff)
downloadop-kernel-dev-01af72e4e36fba66cd7cfc2a628efee866c346d1.zip
op-kernel-dev-01af72e4e36fba66cd7cfc2a628efee866c346d1.tar.gz
[ARM] Orion: GPIO support
Signed-off-by: Tzachi Perelstein <tzachi@marvell.com> Signed-off-by: Nicolas Pitre <nico@marvell.com> Acked-by: David Brownell <david-b@pacbell.net>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-orion/gpio.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-arm/arch-orion/gpio.h b/include/asm-arm/arch-orion/gpio.h
new file mode 100644
index 0000000..6d5848e
--- /dev/null
+++ b/include/asm-arm/arch-orion/gpio.h
@@ -0,0 +1,27 @@
+/*
+ * include/asm-arm/arch-orion/gpio.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+extern int gpio_request(unsigned pin, const char *label);
+extern void gpio_free(unsigned pin);
+extern int gpio_direction_input(unsigned pin);
+extern int gpio_direction_output(unsigned pin, int value);
+extern int gpio_get_value(unsigned pin);
+extern void gpio_set_value(unsigned pin, int value);
+extern void gpio_display(void); /* debug */
+
+static inline int gpio_to_irq(int pin)
+{
+ return pin + IRQ_ORION_GPIO_START;
+}
+
+static inline int irq_to_gpio(int irq)
+{
+ return irq - IRQ_ORION_GPIO_START;
+}
+
+#include <asm-generic/gpio.h> /* cansleep wrappers */
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