8a87a996ea
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>
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
/*
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* include/asm-arm/arch-ks8695/gpio.h
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*
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* Copyright (C) 2006 Andrew Victor
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARCH_GPIO_H_
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#define __ASM_ARCH_GPIO_H_
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#define KS8695_GPIO_0 0
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#define KS8695_GPIO_1 1
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#define KS8695_GPIO_2 2
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#define KS8695_GPIO_3 3
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#define KS8695_GPIO_4 4
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#define KS8695_GPIO_5 5
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#define KS8695_GPIO_6 6
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#define KS8695_GPIO_7 7
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#define KS8695_GPIO_8 8
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#define KS8695_GPIO_9 9
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#define KS8695_GPIO_10 10
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#define KS8695_GPIO_11 11
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#define KS8695_GPIO_12 12
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#define KS8695_GPIO_13 13
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#define KS8695_GPIO_14 14
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#define KS8695_GPIO_15 15
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/*
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* Configure GPIO pin as external interrupt source.
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*/
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int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
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/*
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* Configure the GPIO line as an input.
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*/
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int __init_or_module gpio_direction_input(unsigned int pin);
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/*
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* Configure the GPIO line as an output, with default state.
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*/
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int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
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/*
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* Set the state of an output GPIO line.
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*/
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void gpio_set_value(unsigned int pin, unsigned int state);
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/*
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* Read the state of a GPIO line.
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*/
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int gpio_get_value(unsigned int pin);
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/*
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* Map GPIO line to IRQ number.
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*/
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int gpio_to_irq(unsigned int pin);
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/*
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* Map IRQ number to GPIO line.
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*/
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int irq_to_gpio(unsigned int irq);
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#include <asm-generic/gpio.h>
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static inline int gpio_request(unsigned int pin, const char *label)
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{
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return 0;
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}
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static inline void gpio_free(unsigned int pin)
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{
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}
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#endif
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