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authorAurelien Jarno <aurelien@aurel32.net>2007-09-25 15:42:09 +0200
committerRalf Baechle <ralf@linux-mips.org>2007-10-11 23:46:07 +0100
commit34cc662f8aae0ce1db5c64d55a39a5081f9e3cd8 (patch)
tree69447356fb052c8aa3a74154f2dee082b64f275d /include
parent25e5fb97419f73d39b37e9f73f9492c394de07b2 (diff)
[MIPS] Add gpio support to the BCM47XX platform
Add GPIO support to the BCM47XX platform. It will be used by a GPIO LED driver. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-mips/mach-bcm47xx/gpio.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/include/asm-mips/mach-bcm47xx/gpio.h b/include/asm-mips/mach-bcm47xx/gpio.h
new file mode 100644
index 000000000000..cfc8f4d618ce
--- /dev/null
+++ b/include/asm-mips/mach-bcm47xx/gpio.h
@@ -0,0 +1,59 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
+ */
+
+#ifndef __BCM47XX_GPIO_H
+#define __BCM47XX_GPIO_H
+
+#define BCM47XX_EXTIF_GPIO_LINES 5
+#define BCM47XX_CHIPCO_GPIO_LINES 16
+
+extern int bcm47xx_gpio_to_irq(unsigned gpio);
+extern int bcm47xx_gpio_get_value(unsigned gpio);
+extern void bcm47xx_gpio_set_value(unsigned gpio, int value);
+extern int bcm47xx_gpio_direction_input(unsigned gpio);
+extern int bcm47xx_gpio_direction_output(unsigned gpio, int value);
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+ return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return bcm47xx_gpio_to_irq(gpio);
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ return bcm47xx_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ bcm47xx_gpio_set_value(gpio, value);
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ return bcm47xx_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+ return bcm47xx_gpio_direction_output(gpio, value);
+}
+
+
+/* cansleep wrappers */
+#include <asm-generic/gpio.h>
+
+#endif /* __BCM47XX_GPIO_H */