diff options
Diffstat (limited to 'include/asm-arm/hardware/iop3xx-gpio.h')
-rw-r--r-- | include/asm-arm/hardware/iop3xx-gpio.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-arm/hardware/iop3xx-gpio.h b/include/asm-arm/hardware/iop3xx-gpio.h new file mode 100644 index 000000000000..0c9331f9ac24 --- /dev/null +++ b/include/asm-arm/hardware/iop3xx-gpio.h | |||
@@ -0,0 +1,73 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/hardware/iop3xx-gpio.h | ||
3 | * | ||
4 | * IOP3xx GPIO wrappers | ||
5 | * | ||
6 | * Copyright (c) 2008 Arnaud Patard <arnaud.patard@rtp-net.org> | ||
7 | * Based on IXP4XX gpio.h file | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | #ifndef __ASM_ARM_HARDWARE_IOP3XX_GPIO_H | ||
26 | #define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H | ||
27 | |||
28 | #include <asm/hardware.h> | ||
29 | #include <asm-generic/gpio.h> | ||
30 | |||
31 | #define IOP3XX_N_GPIOS 8 | ||
32 | |||
33 | static inline int gpio_get_value(unsigned gpio) | ||
34 | { | ||
35 | if (gpio > IOP3XX_N_GPIOS) | ||
36 | return __gpio_get_value(gpio); | ||
37 | |||
38 | return gpio_line_get(gpio); | ||
39 | } | ||
40 | |||
41 | static inline void gpio_set_value(unsigned gpio, int value) | ||
42 | { | ||
43 | if (gpio > IOP3XX_N_GPIOS) { | ||
44 | __gpio_set_value(gpio, value); | ||
45 | return; | ||
46 | } | ||
47 | gpio_line_set(gpio, value); | ||
48 | } | ||
49 | |||
50 | static inline int gpio_cansleep(unsigned gpio) | ||
51 | { | ||
52 | if (gpio < IOP3XX_N_GPIOS) | ||
53 | return 0; | ||
54 | else | ||
55 | return __gpio_cansleep(gpio); | ||
56 | } | ||
57 | |||
58 | /* | ||
59 | * The GPIOs are not generating any interrupt | ||
60 | * Note : manuals are not clear about this | ||
61 | */ | ||
62 | static inline int gpio_to_irq(int gpio) | ||
63 | { | ||
64 | return -EINVAL; | ||
65 | } | ||
66 | |||
67 | static inline int irq_to_gpio(int gpio) | ||
68 | { | ||
69 | return -EINVAL; | ||
70 | } | ||
71 | |||
72 | #endif | ||
73 | |||