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-rw-r--r--arch/arm/mach-sa1100/gpio.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/arch/arm/mach-sa1100/gpio.c b/arch/arm/mach-sa1100/gpio.c
deleted file mode 100644
index e547ed41ec6b..000000000000
--- a/arch/arm/mach-sa1100/gpio.c
+++ /dev/null
@@ -1,64 +0,0 @@
1/*
2 * linux/arch/arm/mach-sa1100/gpio.c
3 *
4 * Generic SA-1100 GPIO handling
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#include <linux/gpio.h>
11#include <linux/init.h>
12#include <linux/module.h>
13
14#include <mach/hardware.h>
15#include "generic.h"
16
17static int sa1100_gpio_get(struct gpio_chip *chip, unsigned offset)
18{
19 return GPLR & GPIO_GPIO(offset);
20}
21
22static void sa1100_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
23{
24 if (value)
25 GPSR = GPIO_GPIO(offset);
26 else
27 GPCR = GPIO_GPIO(offset);
28}
29
30static int sa1100_direction_input(struct gpio_chip *chip, unsigned offset)
31{
32 unsigned long flags;
33
34 local_irq_save(flags);
35 GPDR &= ~GPIO_GPIO(offset);
36 local_irq_restore(flags);
37 return 0;
38}
39
40static int sa1100_direction_output(struct gpio_chip *chip, unsigned offset, int value)
41{
42 unsigned long flags;
43
44 local_irq_save(flags);
45 sa1100_gpio_set(chip, offset, value);
46 GPDR |= GPIO_GPIO(offset);
47 local_irq_restore(flags);
48 return 0;
49}
50
51static struct gpio_chip sa1100_gpio_chip = {
52 .label = "gpio",
53 .direction_input = sa1100_direction_input,
54 .direction_output = sa1100_direction_output,
55 .set = sa1100_gpio_set,
56 .get = sa1100_gpio_get,
57 .base = 0,
58 .ngpio = GPIO_MAX + 1,
59};
60
61void __init sa1100_init_gpio(void)
62{
63 gpiochip_add(&sa1100_gpio_chip);
64}