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author | Steve Sakoman <steve@sakoman.com> | 2012-06-04 05:35:34 +0000 |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:09 +0200 |
commit | 3b97152b63da024e3547c76ac9f7912fceb876c3 (patch) | |
tree | 5055a35bdbc24e0e163118245d5c79df5c54c5ab /arch/arm/include | |
parent | 28adc91a28c413bef99e7b48c7318c05a12fb018 (diff) | |
download | u-boot-imx-3b97152b63da024e3547c76ac9f7912fceb876c3.zip u-boot-imx-3b97152b63da024e3547c76ac9f7912fceb876c3.tar.gz u-boot-imx-3b97152b63da024e3547c76ac9f7912fceb876c3.tar.bz2 |
omap: am33xx: enable gpio support
This patch uses the code in omap-common to support gpio modules 1-3
on am33xx based boards.
It adds base address and register definitions, enables clocks to the
modules, and enables building the common gpio code for CONFIG_AM33XX
as well as CONFIG_OMAP
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/cpu.h | 20 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/gpio.h | 29 |
2 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h index a027e31..e63ab74 100644 --- a/arch/arm/include/asm/arch-am33xx/cpu.h +++ b/arch/arm/include/asm/arch-am33xx/cpu.h @@ -235,6 +235,26 @@ struct ctrl_stat { unsigned int resv1[16]; unsigned int statusreg; /* ofset 0x40 */ }; + +/* AM33XX GPIO registers */ +#define OMAP_GPIO_REVISION 0x0000 +#define OMAP_GPIO_SYSCONFIG 0x0010 +#define OMAP_GPIO_SYSSTATUS 0x0114 +#define OMAP_GPIO_IRQSTATUS1 0x002c +#define OMAP_GPIO_IRQSTATUS2 0x0030 +#define OMAP_GPIO_CTRL 0x0130 +#define OMAP_GPIO_OE 0x0134 +#define OMAP_GPIO_DATAIN 0x0138 +#define OMAP_GPIO_DATAOUT 0x013c +#define OMAP_GPIO_LEVELDETECT0 0x0140 +#define OMAP_GPIO_LEVELDETECT1 0x0144 +#define OMAP_GPIO_RISINGDETECT 0x0148 +#define OMAP_GPIO_FALLINGDETECT 0x014c +#define OMAP_GPIO_DEBOUNCE_EN 0x0150 +#define OMAP_GPIO_DEBOUNCE_VAL 0x0154 +#define OMAP_GPIO_CLEARDATAOUT 0x0190 +#define OMAP_GPIO_SETDATAOUT 0x0194 + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL_STRICT_NAMES */ diff --git a/arch/arm/include/asm/arch-am33xx/gpio.h b/arch/arm/include/asm/arch-am33xx/gpio.h new file mode 100644 index 0000000..1a211e9 --- /dev/null +++ b/arch/arm/include/asm/arch-am33xx/gpio.h @@ -0,0 +1,29 @@ +/* + * + * 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 _GPIO_AM33xx_H +#define _GPIO_AM33xx_H + +#include <asm/omap_gpio.h> + +#define AM33XX_GPIO0_BASE 0x44E07000 +#define AM33XX_GPIO1_BASE 0x4804C000 +#define AM33XX_GPIO2_BASE 0x481AC000 +#define AM33XX_GPIO3_BASE 0x481AE000 + +#endif /* _GPIO_AM33xx_H */ |