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authorPaul Mackerras <paulus@samba.org>2007-05-08 13:37:51 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-08 13:37:51 +1000
commit02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1 (patch)
tree04ef573cd4de095c500c9fc3477f4278c0b36300 /include/asm-arm/arch-ixp4xx/gpio.h
parent7487a2245b8841c77ba9db406cf99a483b9334e9 (diff)
parent5b94f675f57e4ff16c8fda09088d7480a84dcd91 (diff)
downloadop-kernel-dev-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.zip
op-kernel-dev-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.tar.gz
Merge branch 'linux-2.6'
Diffstat (limited to 'include/asm-arm/arch-ixp4xx/gpio.h')
-rw-r--r--include/asm-arm/arch-ixp4xx/gpio.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ixp4xx/gpio.h b/include/asm-arm/arch-ixp4xx/gpio.h
new file mode 100644
index 0000000..3a4c5b8
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/gpio.h
@@ -0,0 +1,73 @@
+/*
+ * linux/include/asm-arm/arch-ixp4xx/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 <asm/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
+
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