X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=arch%2Farm%2Finclude%2Fasm%2Fomap_gpio.h;h=5d25d04c3bf68f45560aa120faf4182cefca8930;hb=6ee3d00d1d9d9977e975bd72c3668ee4f210a99d;hp=8741572502c544f655dffb177e05a1e32b9c5c1f;hpb=569919d8e284c36d4ee981df5fcaa2e188f006a0;p=oweals%2Fu-boot.git diff --git a/arch/arm/include/asm/omap_gpio.h b/arch/arm/include/asm/omap_gpio.h index 8741572502..5d25d04c3b 100644 --- a/arch/arm/include/asm/omap_gpio.h +++ b/arch/arm/include/asm/omap_gpio.h @@ -2,20 +2,7 @@ * Copyright (c) 2009 Wind River Systems, Inc. * Tom Rix * - * 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 + * SPDX-License-Identifier: GPL-2.0 * * This work is derived from the linux 2.6.27 kernel source * To fetch, use the kernel repository @@ -30,10 +17,6 @@ * * Copyright (C) 2003-2005 Nokia Corporation * Written by Juha Yrjölä - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _GPIO_H #define _GPIO_H @@ -49,19 +32,11 @@ extern const struct gpio_bank *const omap_gpio_bank; #define METHOD_GPIO_24XX 4 -/* This is the interface */ - -/* Request a gpio before using it */ -int omap_request_gpio(int gpio); -/* Reset and free a gpio after using it */ -void omap_free_gpio(int gpio); -/* Sets the gpio as input or output */ -void omap_set_gpio_direction(int gpio, int is_input); -/* Set or clear a gpio output */ -void omap_set_gpio_dataout(int gpio, int enable); -/* Get the value of a gpio input */ -int omap_get_gpio_datain(int gpio); -/* Get the value of a gpio output */ -int omap_get_gpio_dataout(int gpio); - +/** + * 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_ */