From 72edd84a6b2db1a21d1ed07929cae560e276a0a6 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Mon, 18 Sep 2006 23:23:07 +0100 Subject: [ARM] 3827/1: iop3xx: add common gpio module Implement the gpio_line_{config,get,set} API for iop3xx. Signed-off-by: Lennert Buytenhek Signed-off-by: Russell King --- include/asm-arm/hardware/iop3xx.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'include/asm-arm/hardware') diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h index 98b7cbc405e..f3c61d041fc 100644 --- a/include/asm-arm/hardware/iop3xx.h +++ b/include/asm-arm/hardware/iop3xx.h @@ -15,6 +15,22 @@ #ifndef __IOP3XX_H #define __IOP3XX_H +/* + * IOP3XX GPIO handling + */ +#define GPIO_IN 0 +#define GPIO_OUT 1 +#define GPIO_LOW 0 +#define GPIO_HIGH 1 +#define IOP3XX_GPIO_LINE(x) (x) + +#ifndef __ASSEMBLY__ +extern void gpio_line_config(int line, int direction); +extern int gpio_line_get(int line); +extern void gpio_line_set(int line, int value); +#endif + + /* * IOP3XX processor registers */ @@ -81,6 +97,11 @@ #define IOP3XX_PCIXSR (volatile u32 *)IOP3XX_REG_ADDR(0x01e4) #define IOP3XX_PCIIRSR (volatile u32 *)IOP3XX_REG_ADDR(0x01ec) +/* General Purpose I/O */ +#define IOP3XX_GPOE (volatile u32 *)IOP3XX_GPIO_REG(0x0004) +#define IOP3XX_GPID (volatile u32 *)IOP3XX_GPIO_REG(0x0008) +#define IOP3XX_GPOD (volatile u32 *)IOP3XX_GPIO_REG(0x000c) + /* Timers */ #define IOP3XX_TU_TMR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0000) #define IOP3XX_TU_TMR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0004) -- cgit v1.2.3-70-g09d2