devices-common.c

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/*
 * Copyright (C) ST-Ericsson SA 2010
 *
 * Author: Rabin Vincent <[email protected]> for ST-Ericsson
 * License terms: GNU General Public License (GPL), version 2.
 */

#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/irq.h>
#include <linux/slab.h>
#include <linux/platform_device.h>

#include <plat/gpio-nomadik.h>

#include <mach/hardware.h>

#include "devices-common.h"

static struct platform_device *
dbx500_add_gpio(struct device *parent, int id, resource_size_t addr, int irq,
        struct nmk_gpio_platform_data *pdata)
{
    struct resource resources[] = {
        {
            .start  = addr,
            .end    = addr + 127,
            .flags  = IORESOURCE_MEM,
        },
        {
            .start  = irq,
            .end    = irq,
            .flags  = IORESOURCE_IRQ,
        }
    };

    return platform_device_register_resndata(
        parent,
        "gpio",
        id,
        resources,
        ARRAY_SIZE(resources),
        pdata,
        sizeof(*pdata));
}

void dbx500_add_gpios(struct device *parent, resource_size_t *base, int num,
              int irq, struct nmk_gpio_platform_data *pdata)
{
    int first = 0;
    int i;

    for (i = 0; i < num; i++, first += 32, irq++) {
        pdata->first_gpio = first;
        pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
        pdata->num_gpio = 32;

        dbx500_add_gpio(parent, i, base[i], irq, pdata);
    }
}