diff options
author | Stefan Roese <sr@denx.de> | 2012-02-14 13:01:36 (GMT) |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-07-07 12:07:42 (GMT) |
commit | 2cb06a4fda4e7a88c734adaec9eeb5059e50f76b (patch) | |
tree | 581488a2e1a1a20c37c5cb6ebc2a4557423608a9 /arch | |
parent | ef76025a99247cdb8f927a2c9f15400678dfb599 (diff) | |
download | u-boot-fsl-qoriq-2cb06a4fda4e7a88c734adaec9eeb5059e50f76b.tar.xz |
GPIO: Add SPEAr GPIO driver
Tested on x600 (SPEAr600).
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/include/asm/arch-spear/gpio.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-spear/gpio.h b/arch/arm/include/asm/arch-spear/gpio.h new file mode 100644 index 0000000..c3697de --- /dev/null +++ b/arch/arm/include/asm/arch-spear/gpio.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2012 Stefan Roese <sr@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_SPEAR_GPIO_H +#define __ASM_ARCH_SPEAR_GPIO_H + +enum gpio_direction { + GPIO_DIRECTION_IN, + GPIO_DIRECTION_OUT, +}; + +struct gpio_regs { + u32 gpiodata[0x100]; /* 0x000 ... 0x3fc */ + u32 gpiodir; /* 0x400 */ +}; + +#define SPEAR_GPIO_COUNT 8 +#define DATA_REG_ADDR(gpio) (1 << (gpio + 2)) + +#endif /* __ASM_ARCH_SPEAR_GPIO_H */ |