LXR linux/arch/arm/mach-ux500/devices-common.c

   1/*
   2 * Copyright (C) ST-Ericsson SA 2010
   3 *
   4 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
   5 * License terms: GNU General Public License (GPL), version 2.
   6 */
   7
   8#include <linux/kernel.h>
   9#include <linux/dma-mapping.h>
  10#include <linux/err.h>
  11#include <linux/irq.h>
  12#include <linux/slab.h>
  13#include <linux/platform_device.h>
  14
  15#include <plat/gpio-nomadik.h>
  16
  17#include <mach/hardware.h>
  18
  19#include "devices-common.h"
  20
  21static struct platform_device *
  22dbx500_add_gpio(struct device *parent, int id, resource_size_t addr, int irq,
  23                struct nmk_gpio_platform_data *pdata)
  24{
  25        struct resource resources[] = {
  26                {
  27                        .start  = addr,
  28                        .end    = addr + 127,
  29                        .flags  = IORESOURCE_MEM,
  30                },
  31                {
  32                        .start  = irq,
  33                        .end    = irq,
  34                        .flags  = IORESOURCE_IRQ,
  35                }
  36        };
  37
  38        return platform_device_register_resndata(
  39                parent,
  40                "gpio",
  41                id,
  42                resources,
  43                ARRAY_SIZE(resources),
  44                pdata,
  45                sizeof(*pdata));
  46}
  47
  48void dbx500_add_gpios(struct device *parent, resource_size_t *base, int num,
  49                      int irq, struct nmk_gpio_platform_data *pdata)
  50{
  51        int first = 0;
  52        int i;
  53
  54        for (i = 0; i < num; i++, first += 32, irq++) {
  55                pdata->first_gpio = first;
  56                pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
  57                pdata->num_gpio = 32;
  58
  59                dbx500_add_gpio(parent, i, base[i], irq, pdata);
  60        }
  61}
  62