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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-08-30 19:15:51 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-08-30 19:15:51 +0000
commitb887a6d197170b719028f31085876d8deaed35b6 (patch)
tree36b5045e64065dcb96b8da4d93ffe20fc286a711 /target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h
parent237a5a2c34824a249326c1cb58c495ab4629baae (diff)
[ramips] initial support for RT288x/RT305x
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17439 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h')
-rw-r--r--target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h
new file mode 100644
index 0000000000..e8a0836a32
--- /dev/null
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h
@@ -0,0 +1,52 @@
+/*
+ * Ralink RT288x GPIO API definitions
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#ifndef __ASM_MACH_RT288X_GPIO_H
+#define __ASM_MACH_RT288X_GPIO_H
+
+#define ARCH_NR_GPIOS 64
+#include <asm-generic/gpio.h>
+
+#include <asm/mach-ralink/rt288x.h>
+
+extern void __rt288x_gpio_set_value(unsigned gpio, int value);
+extern int __rt288x_gpio_get_value(unsigned gpio);
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return RT288X_GPIO_IRQ(gpio);
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return irq - RT288X_GPIO_IRQ_BASE;
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ if (gpio < RT288X_GPIO_COUNT)
+ return __rt288x_gpio_get_value(gpio);
+
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ if (gpio < RT288X_GPIO_COUNT)
+ __rt288x_gpio_set_value(gpio, value);
+ else
+ __gpio_set_value(gpio, value);
+}
+
+#define gpio_cansleep __gpio_cansleep
+
+#endif /* __ASM_MACH_RT288X_GPIO_H */