2 * Copyright (c) 2009 Wind River Systems, Inc.
3 * Tom Rix <Tom.Rix@windriver.com>
5 * SPDX-License-Identifier: GPL-2.0
7 * This work is derived from the linux 2.6.27 kernel source
8 * To fetch, use the kernel repository
9 * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
10 * Use the v2.6.27 tag.
12 * Below is the original's header including its copyright
14 * linux/arch/arm/plat-omap/gpio.c
16 * Support functions for OMAP GPIO
18 * Copyright (C) 2003-2005 Nokia Corporation
19 * Written by Juha Yrjölä <juha.yrjola@nokia.com>
24 #include <asm/arch/cpu.h>
28 /* Information about a GPIO bank */
29 struct omap_gpio_platdata {
31 ulong base; /* address of registers in physical memory */
32 const char *port_name;
41 extern const struct gpio_bank *const omap_gpio_bank;
44 * Check if gpio is valid.
46 * @param gpio GPIO number
47 * @return 1 if ok, 0 on error
49 int gpio_is_valid(int gpio);