LXR uboot/arch/arm/include/asm/omap

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (c) 2009 Wind River Systems, Inc.
   4 * Tom Rix <Tom.Rix@windriver.com>
   5 *
   6 * This work is derived from the linux 2.6.27 kernel source
   7 * To fetch, use the kernel repository
   8 * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
   9 * Use the v2.6.27 tag.
  10 *
  11 * Below is the original's header including its copyright
  12 *
  13 *  linux/arch/arm/plat-omap/gpio.c
  14 *
  15 * Support functions for OMAP GPIO
  16 *
  17 * Copyright (C) 2003-2005 Nokia Corporation
  18 * Written by Juha Yrjölä <juha.yrjola@nokia.com>
  19 */
  20#ifndef _GPIO_H
  21#define _GPIO_H
  22
  23#include <asm/arch/cpu.h>
  24
  25#ifdef CONFIG_DM_GPIO
  26
  27/* Information about a GPIO bank */
  28struct omap_gpio_platdata {
  29        int bank_index;
  30        ulong base;     /* address of registers in physical memory */
  31        const char *port_name;
  32};
  33
  34#else
  35
  36struct gpio_bank {
  37        void *base;
  38};
  39
  40extern const struct gpio_bank *const omap_gpio_bank;
  41
  42/**
  43 * Check if gpio is valid.
  44 *
  45 * @param gpio  GPIO number
  46 * @return 1 if ok, 0 on error
  47 */
  48int gpio_is_valid(int gpio);
  49#endif
  50
  51#endif /* _GPIO_H_ */
  52