diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/gpio.h')
-rw-r--r-- | arch/arm/plat-mxc/include/mach/gpio.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h new file mode 100644 index 00000000000..31c820c1b79 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/gpio.h | |||
@@ -0,0 +1,39 @@ | |||
1 | /* | ||
2 | * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
17 | */ | ||
18 | |||
19 | #ifndef __ASM_ARCH_MXC_GPIO_H__ | ||
20 | #define __ASM_ARCH_MXC_GPIO_H__ | ||
21 | |||
22 | #include <linux/spinlock.h> | ||
23 | #include <mach/hardware.h> | ||
24 | #include <asm-generic/gpio.h> | ||
25 | |||
26 | |||
27 | /* There's a off-by-one betweem the gpio bank number and the gpiochip */ | ||
28 | /* range e.g. GPIO_1_5 is gpio 5 under linux */ | ||
29 | #define IMX_GPIO_NR(bank, nr) (((bank) - 1) * 32 + (nr)) | ||
30 | |||
31 | /* use gpiolib dispatchers */ | ||
32 | #define gpio_get_value __gpio_get_value | ||
33 | #define gpio_set_value __gpio_set_value | ||
34 | #define gpio_cansleep __gpio_cansleep | ||
35 | |||
36 | #define gpio_to_irq(gpio) (MXC_GPIO_IRQ_START + (gpio)) | ||
37 | #define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) | ||
38 | |||
39 | #endif | ||