| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Copyright (c) 2009 Wind River Systems, Inc. | |
| * Tom Rix <Tom.Rix@windriver.com> | |
| * | |
| * 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> | |
| #if CONFIG_IS_ENABLED(DM_GPIO) | |
| /* Information about a GPIO bank */ | |
| struct omap_gpio_plat { | |
| int bank_index; | |
| ulong base; /* address of registers in physical memory */ | |
| const char *port_name; | |
| }; | |
| #else | |
| struct gpio_bank { | |
| void *base; | |
| }; | |
| extern const struct gpio_bank *const omap_gpio_bank; | |
| /** | |
| * Check if gpio is valid. | |
| * | |
| * @param gpio GPIO number | |
| * Return: 1 if ok, 0 on error | |
| */ | |
| int gpio_is_valid(int gpio); | |
| #endif | |
| #endif /* _GPIO_H_ */ |