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authorAndrew Victor <andrew@sanpeople.com>2007-05-14 09:30:15 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-07-12 06:12:34 -0400
commit8a87a996eae3d25b0670a243f4829ea4aa9eb63d (patch)
treed9be23b6bc2b061c57e066848059fda3e09f8d01 /include/asm-arm/arch-ks8695/gpio.h
parent7dcca30a32aadb0520417521b0c44f42d09fe05c (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.h79
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 @@
1/*
2 * include/asm-arm/arch-ks8695/gpio.h
3 *
4 * Copyright (C) 2006 Andrew Victor
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef __ASM_ARCH_GPIO_H_
12#define __ASM_ARCH_GPIO_H_
13
14#define KS8695_GPIO_0 0
15#define KS8695_GPIO_1 1
16#define KS8695_GPIO_2 2
17#define KS8695_GPIO_3 3
18#define KS8695_GPIO_4 4
19#define KS8695_GPIO_5 5
20#define KS8695_GPIO_6 6
21#define KS8695_GPIO_7 7
22#define KS8695_GPIO_8 8
23#define KS8695_GPIO_9 9
24#define KS8695_GPIO_10 10
25#define KS8695_GPIO_11 11
26#define KS8695_GPIO_12 12
27#define KS8695_GPIO_13 13
28#define KS8695_GPIO_14 14
29#define KS8695_GPIO_15 15
30
31
32/*
33 * Configure GPIO pin as external interrupt source.
34 */
35int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
36
37/*
38 * Configure the GPIO line as an input.
39 */
40int __init_or_module gpio_direction_input(unsigned int pin);
41
42/*
43 * Configure the GPIO line as an output, with default state.
44 */
45int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
46
47/*
48 * Set the state of an output GPIO line.
49 */
50void gpio_set_value(unsigned int pin, unsigned int state);
51
52/*
53 * Read the state of a GPIO line.
54 */
55int gpio_get_value(unsigned int pin);
56
57/*
58 * Map GPIO line to IRQ number.
59 */
60int gpio_to_irq(unsigned int pin);
61
62/*
63 * Map IRQ number to GPIO line.
64 */
65int irq_to_gpio(unsigned int irq);
66
67
68#include <asm-generic/gpio.h>
69
70static inline int gpio_request(unsigned int pin, const char *label)
71{
72 return 0;
73}
74
75static inline void gpio_free(unsigned int pin)
76{
77}
78
79#endif