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/*
* arch/arm/mach-pxa/colibri-pxa3xx.c
*
* Common functions for all Toradex PXA3xx modules
*
* Daniel Mack <daniel@caiaq.de>
*
* 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.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/pxa3xx-regs.h>
#include <mach/mfp-pxa300.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
#include "generic.h"
#include "devices.h"
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static int mmc_detect_pin;
static int colibri_pxa3xx_mci_init(struct device *dev,
irq_handler_t colibri_mmc_detect_int,
void *data)
{
int ret;
ret = gpio_request(mmc_detect_pin, "mmc card detect");
if (ret)
return ret;
gpio_direction_input(mmc_detect_pin);
ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC card detect", data);
if (ret) {
gpio_free(mmc_detect_pin);
return ret;
}
return 0;
}
static void colibri_pxa3xx_mci_exit(struct device *dev, void *data)
{
free_irq(mmc_detect_pin, data);
gpio_free(gpio_to_irq(mmc_detect_pin));
}
static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
.detect_delay = 20,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.init = colibri_pxa3xx_mci_init,
.exit = colibri_pxa3xx_mci_exit,
};
void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
{
pxa3xx_mfp_config(pins, len);
mmc_detect_pin = detect_pin;
pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
}
#endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */
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