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#include <linux/platform_data/pinctrl-nomadik.h>
  15
  16#include "irqs.h"
  17
  18#include "devices-common.h"
  19
  20static struct platform_device *
  21dbx500_add_gpio(struct device *parent, int id, resource_size_t addr, int irq,
  22                struct nmk_gpio_platform_data *pdata)
  23{
  24        struct resource resources[] = {
  25                {
  26                        .start  = addr,
  27                        .end    = addr + 127,
  28                        .flags  = IORESOURCE_MEM,
  29                },
  30                {
  31                        .start  = irq,
  32                        .end    = irq,
  33                        .flags  = IORESOURCE_IRQ,
  34                }
  35        };
  36
  37        return platform_device_register_resndata(
  38                parent,
  39                "gpio",
  40                id,
  41                resources,
  42                ARRAY_SIZE(resources),
  43                pdata,
  44                sizeof(*pdata));
  45}
  46
  47void dbx500_add_gpios(struct device *parent, resource_size_t *base, int num,
  48                      int irq, struct nmk_gpio_platform_data *pdata)
  49{
  50        int first = 0;
  51        int i;
  52
  53        for (i = 0; i < num; i++, first += 32, irq++) {
  54                pdata->first_gpio = first;
  55                pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
  56                pdata->num_gpio = 32;
  57
  58                dbx500_add_gpio(parent, i, base[i], irq, pdata);
  59        }
  60}
  61