diff options
Diffstat (limited to 'arch/arm/mach-sa1100/gpio.c')
-rw-r--r-- | arch/arm/mach-sa1100/gpio.c | 64 |
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 | |||
17 | static int sa1100_gpio_get(struct gpio_chip *chip, unsigned offset) | ||
18 | { | ||
19 | return GPLR & GPIO_GPIO(offset); | ||
20 | } | ||
21 | |||
22 | static 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 | |||
30 | static 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 | |||
40 | static 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 | |||
51 | static 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 | |||
61 | void __init sa1100_init_gpio(void) | ||
62 | { | ||
63 | gpiochip_add(&sa1100_gpio_chip); | ||
64 | } | ||