diff options
author | Andrew Victor <andrew@sanpeople.com> | 2007-05-14 14:30:15 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-07-12 11:12:34 +0100 |
commit | 8a87a996eae3d25b0670a243f4829ea4aa9eb63d (patch) | |
tree | d9be23b6bc2b061c57e066848059fda3e09f8d01 /include/asm-arm/arch-ks8695/gpio.h | |
parent | 7dcca30a32aadb0520417521b0c44f42d09fe05c (diff) |
[ARM] 4377/1: KS8695: GPIO driver
Driver to control the GPIO pins on the KS8695 processor.
The driver natively supports the Generic GPIO interface.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-ks8695/gpio.h')
-rw-r--r-- | include/asm-arm/arch-ks8695/gpio.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ks8695/gpio.h b/include/asm-arm/arch-ks8695/gpio.h new file mode 100644 index 000000000000..65ceea28607b --- /dev/null +++ b/include/asm-arm/arch-ks8695/gpio.h @@ -0,0 +1,79 @@ +/* + * include/asm-arm/arch-ks8695/gpio.h + * + * Copyright (C) 2006 Andrew Victor + * + * 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_ARCH_GPIO_H_ +#define __ASM_ARCH_GPIO_H_ + +#define KS8695_GPIO_0 0 +#define KS8695_GPIO_1 1 +#define KS8695_GPIO_2 2 +#define KS8695_GPIO_3 3 +#define KS8695_GPIO_4 4 +#define KS8695_GPIO_5 5 +#define KS8695_GPIO_6 6 +#define KS8695_GPIO_7 7 +#define KS8695_GPIO_8 8 +#define KS8695_GPIO_9 9 +#define KS8695_GPIO_10 10 +#define KS8695_GPIO_11 11 +#define KS8695_GPIO_12 12 +#define KS8695_GPIO_13 13 +#define KS8695_GPIO_14 14 +#define KS8695_GPIO_15 15 + + +/* + * Configure GPIO pin as external interrupt source. + */ +int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type); + +/* + * Configure the GPIO line as an input. + */ +int __init_or_module gpio_direction_input(unsigned int pin); + +/* + * Configure the GPIO line as an output, with default state. + */ +int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state); + +/* + * Set the state of an output GPIO line. + */ +void gpio_set_value(unsigned int pin, unsigned int state); + +/* + * Read the state of a GPIO line. + */ +int gpio_get_value(unsigned int pin); + +/* + * Map GPIO line to IRQ number. + */ +int gpio_to_irq(unsigned int pin); + +/* + * Map IRQ number to GPIO line. + */ +int irq_to_gpio(unsigned int irq); + + +#include <asm-generic/gpio.h> + +static inline int gpio_request(unsigned int pin, const char *label) +{ + return 0; +} + +static inline void gpio_free(unsigned int pin) +{ +} + +#endif |