| /* 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 |
| * 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> |
| #include <asm/arch/cpu.h> |
| #if CONFIG_IS_ENABLED(DM_GPIO) |
| /* Information about a GPIO bank */ |
| ulong base; /* address of registers in physical memory */ |
| 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); |