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authorLennert Buytenhek <buytenh@wantstofly.org>2006-09-18 23:23:07 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-09-25 10:25:47 +0100
commit72edd84a6b2db1a21d1ed07929cae560e276a0a6 (patch)
treeb67000e2bbf7447968c784cc3696a680ad66c47e /include
parent610300e8f4f833904096ca1233ffd9dbd73fb11f (diff)
downloadop-kernel-dev-72edd84a6b2db1a21d1ed07929cae560e276a0a6.zip
op-kernel-dev-72edd84a6b2db1a21d1ed07929cae560e276a0a6.tar.gz
[ARM] 3827/1: iop3xx: add common gpio module
Implement the gpio_line_{config,get,set} API for iop3xx. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/arch-iop32x/iop321.h1
-rw-r--r--include/asm-arm/arch-iop33x/iop331.h1
-rw-r--r--include/asm-arm/hardware/iop3xx.h21
3 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop32x/iop321.h b/include/asm-arm/arch-iop32x/iop321.h
index 34fe07f..1e57e00 100644
--- a/include/asm-arm/arch-iop32x/iop321.h
+++ b/include/asm-arm/arch-iop32x/iop321.h
@@ -216,6 +216,7 @@
* Peripherals that are shared between the iop32x and iop33x but
* located at different addresses.
*/
+#define IOP3XX_GPIO_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07c0 + (reg))
#define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg))
#include <asm/hardware/iop3xx.h>
diff --git a/include/asm-arm/arch-iop33x/iop331.h b/include/asm-arm/arch-iop33x/iop331.h
index 4ebcd71..d12a95a 100644
--- a/include/asm-arm/arch-iop33x/iop331.h
+++ b/include/asm-arm/arch-iop33x/iop331.h
@@ -221,6 +221,7 @@
* Peripherals that are shared between the iop32x and iop33x but
* located at different addresses.
*/
+#define IOP3XX_GPIO_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x1780 + (reg))
#define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07d0 + (reg))
#include <asm/hardware/iop3xx.h>
diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h
index 98b7cbc..f3c61d0 100644
--- a/include/asm-arm/hardware/iop3xx.h
+++ b/include/asm-arm/hardware/iop3xx.h
@@ -16,6 +16,22 @@
#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
*/
#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000
@@ -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)
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