diff options
Diffstat (limited to 'roms/u-boot/arch/arm/include/asm/omap_gpio.h')
-rw-r--r-- | roms/u-boot/arch/arm/include/asm/omap_gpio.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/include/asm/omap_gpio.h b/roms/u-boot/arch/arm/include/asm/omap_gpio.h new file mode 100644 index 00000000..5d25d04c --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/omap_gpio.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * + * SPDX-License-Identifier: GPL-2.0 + * + * This work is derived from the linux 2.6.27 kernel source + * To fetch, use the kernel repository + * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + * Use the v2.6.27 tag. + * + * Below is the original's header including its copyright + * + * linux/arch/arm/plat-omap/gpio.c + * + * Support functions for OMAP GPIO + * + * Copyright (C) 2003-2005 Nokia Corporation + * Written by Juha Yrjölä <juha.yrjola@nokia.com> + */ +#ifndef _GPIO_H +#define _GPIO_H + +#include <asm/arch/cpu.h> + +struct gpio_bank { + void *base; + int method; +}; + +extern const struct gpio_bank *const omap_gpio_bank; + +#define METHOD_GPIO_24XX 4 + +/** + * Check if gpio is valid. + * + * @param gpio GPIO number + * @return 1 if ok, 0 on error + */ +int gpio_is_valid(int gpio); +#endif /* _GPIO_H_ */ |