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Diffstat (limited to 'include/asm-arm/arch-ixp2000/gpio.h')
-rw-r--r--include/asm-arm/arch-ixp2000/gpio.h31
1 files changed, 12 insertions, 19 deletions
diff --git a/include/asm-arm/arch-ixp2000/gpio.h b/include/asm-arm/arch-ixp2000/gpio.h
index 84634af5cc6..03cbbe1fd9d 100644
--- a/include/asm-arm/arch-ixp2000/gpio.h
+++ b/include/asm-arm/arch-ixp2000/gpio.h
@@ -1,5 +1,5 @@
/*
- * include/asm-arm/arch-ixp2000/ixp2000-gpio.h
+ * include/asm-arm/arch-ixp2000/gpio.h
*
* Copyright (C) 2002 Intel Corporation.
*
@@ -16,26 +16,18 @@
* Use this instead of directly setting the GPIO registers.
* GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb)
*/
-#ifndef _ASM_ARCH_IXP2000_GPIO_H_
-#define _ASM_ARCH_IXP2000_GPIO_H_
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
#ifndef __ASSEMBLY__
-#define GPIO_OUT 0x0
-#define GPIO_IN 0x80
+
+#define GPIO_IN 0
+#define GPIO_OUT 1
#define IXP2000_GPIO_LOW 0
#define IXP2000_GPIO_HIGH 1
-#define GPIO_NO_EDGES 0
-#define GPIO_FALLING_EDGE 1
-#define GPIO_RISING_EDGE 2
-#define GPIO_BOTH_EDGES 3
-#define GPIO_LEVEL_LOW 4
-#define GPIO_LEVEL_HIGH 8
-
-extern void set_GPIO_IRQ_edge(int gpio_nr, int edge);
-extern void set_GPIO_IRQ_level(int gpio_nr, int level);
-extern void gpio_line_config(int line, int style);
+extern void gpio_line_config(int line, int direction);
static inline int gpio_line_get(int line)
{
@@ -45,11 +37,12 @@ static inline int gpio_line_get(int line)
static inline void gpio_line_set(int line, int value)
{
if (value == IXP2000_GPIO_HIGH) {
- ixp_reg_write(IXP2000_GPIO_POSR, BIT(line));
- } else if (value == IXP2000_GPIO_LOW)
- ixp_reg_write(IXP2000_GPIO_POCR, BIT(line));
+ ixp2000_reg_write(IXP2000_GPIO_POSR, 1 << line);
+ } else if (value == IXP2000_GPIO_LOW) {
+ ixp2000_reg_write(IXP2000_GPIO_POCR, 1 << line);
+ }
}
#endif /* !__ASSEMBLY__ */
-#endif /* ASM_ARCH_IXP2000_GPIO_H_ */
+#endif /* ASM_ARCH_IXP2000_GPIO_H_ */