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authorIngo Molnar <mingo@elte.hu>2008-09-22 13:08:57 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-22 13:08:57 +0200
commit0b88641f1bafdbd087d5e63987a30cc0eadd63b9 (patch)
tree81dcf756db373444140bb2623584710c628e3048 /arch/arm/mach-ixp4xx/include/mach/gpio.h
parentfbdbf709938d155c719c76b9894d28342632c797 (diff)
parent72d31053f62c4bc464c2783974926969614a8649 (diff)
Merge commit 'v2.6.27-rc7' into x86/debug
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/gpio.h')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/gpio.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/gpio.h b/arch/arm/mach-ixp4xx/include/mach/gpio.h
new file mode 100644
index 00000000000..9fbde177920
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/gpio.h
@@ -0,0 +1,73 @@
+/*
+ * arch/arm/mach-ixp4xx/include/mach/gpio.h
+ *
+ * IXP4XX GPIO wrappers for arch-neutral GPIO calls
+ *
+ * Written by Milan Svoboda <msvoboda@ra.rockwell.com>
+ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASM_ARCH_IXP4XX_GPIO_H
+#define __ASM_ARCH_IXP4XX_GPIO_H
+
+#include <mach/hardware.h>
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+ return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+ return;
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ gpio_line_config(gpio, IXP4XX_GPIO_IN);
+ return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int level)
+{
+ gpio_line_set(gpio, level);
+ gpio_line_config(gpio, IXP4XX_GPIO_OUT);
+ return 0;
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ int value;
+
+ gpio_line_get(gpio, &value);
+
+ return value;
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ gpio_line_set(gpio, value);
+}
+
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+extern int gpio_to_irq(int gpio);
+extern int irq_to_gpio(int gpio);
+
+#endif
+