diff options
author | Stefano Babic <sbabic@denx.de> | 2012-08-19 21:33:50 (GMT) |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 12:58:27 (GMT) |
commit | 5fecb36ca0c5642259227bba9aed94727e084c17 (patch) | |
tree | a32cab7f29101204db24d9c8f962a9a30071e8c3 /arch/arm/include/asm/imx-common/gpio.h | |
parent | c55068e5b86b2fac47a20d8d4ab2c877d9702bda (diff) | |
download | u-boot-5fecb36ca0c5642259227bba9aed94727e084c17.tar.xz |
MX: Set a common gpio.h for all i.MX
Each i.MX has its own gpio.h, defining the same structure.
The internal GPIO controller has the same layout
(at least for the register used by u-boot) and can be shared.
Signed-off-by: Stefano Babic <sbabic@denx.de>
Tested-by: Matt Sealey <matt@genesi-usa.com>
Diffstat (limited to 'arch/arm/include/asm/imx-common/gpio.h')
-rw-r--r-- | arch/arm/include/asm/imx-common/gpio.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/include/asm/imx-common/gpio.h b/arch/arm/include/asm/imx-common/gpio.h new file mode 100644 index 0000000..65226d9 --- /dev/null +++ b/arch/arm/include/asm/imx-common/gpio.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2011 + * Stefano Babic, DENX Software Engineering, <sbabic@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#ifndef __ASM_ARCH_IMX_GPIO_H +#define __ASM_ARCH_IMX_GPIO_H + +#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) +/* GPIO registers */ +struct gpio_regs { + u32 gpio_dr; /* data */ + u32 gpio_dir; /* direction */ + u32 gpio_psr; /* pad satus */ +}; +#endif + +#define IMX_GPIO_NR(port, index) ((((port)-1)*32)+((index)&31)) + +#endif |