diff options
| author | Lennert Buytenhek | 2008-10-20 01:51:04 +0200 |
|---|---|---|
| committer | Nicolas Pitre | 2008-12-20 18:27:13 +0100 |
| commit | b95a13d79c0e92c9c844fa8aa089c9bd2ed10705 (patch) | |
| tree | e1c4c855de14abe955d12e6436eb8dca64dad027 /arch/arm/mach-mv78xx0/include/mach/gpio.h | |
| parent | [ARM] Kirkwood: implement GPIO and GPIO interrupt support (diff) | |
| download | kernel-qcow2-linux-b95a13d79c0e92c9c844fa8aa089c9bd2ed10705.tar.gz kernel-qcow2-linux-b95a13d79c0e92c9c844fa8aa089c9bd2ed10705.tar.xz kernel-qcow2-linux-b95a13d79c0e92c9c844fa8aa089c9bd2ed10705.zip | |
[ARM] mv78xx0: implement GPIO and GPIO interrupt support
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/mach-mv78xx0/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/mach-mv78xx0/include/mach/gpio.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/include/mach/gpio.h b/arch/arm/mach-mv78xx0/include/mach/gpio.h new file mode 100644 index 000000000000..d9d1535ea100 --- /dev/null +++ b/arch/arm/mach-mv78xx0/include/mach/gpio.h @@ -0,0 +1,40 @@ +/* + * arch/asm-arm/mach-mv78xx0/include/mach/gpio.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#include <mach/irqs.h> +#include <plat/gpio.h> +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +extern int mv78xx0_core_index(void); + +#define GPIO_MAX 32 +#define GPIO_OUT(pin) (DEV_BUS_VIRT_BASE + 0x0100) +#define GPIO_IO_CONF(pin) (DEV_BUS_VIRT_BASE + 0x0104) +#define GPIO_BLINK_EN(pin) (DEV_BUS_VIRT_BASE + 0x0108) +#define GPIO_IN_POL(pin) (DEV_BUS_VIRT_BASE + 0x010c) +#define GPIO_DATA_IN(pin) (DEV_BUS_VIRT_BASE + 0x0110) +#define GPIO_EDGE_CAUSE(pin) (DEV_BUS_VIRT_BASE + 0x0114) +#define GPIO_MASK_OFF (mv78xx0_core_index() ? 0x18 : 0) +#define GPIO_EDGE_MASK(pin) (DEV_BUS_VIRT_BASE + 0x0118 + GPIO_MASK_OFF) +#define GPIO_LEVEL_MASK(pin) (DEV_BUS_VIRT_BASE + 0x011c + GPIO_MASK_OFF) + +static inline int gpio_to_irq(int pin) +{ + return pin + IRQ_MV78XX0_GPIO_START; +} + +static inline int irq_to_gpio(int irq) +{ + return irq - IRQ_MV78XX0_GPIO_START; +} + + +#endif |