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/* linux/drivers/misc/smdk6410-sleeptest.c
*
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* 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/module.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <plat/gpio-cfg.h>
static irqreturn_t sleep_action(int irq, void *pw)
{
printk(KERN_INFO "%s: irq %d\n", __func__, irq);
return IRQ_HANDLED;
}
static void sleep_setup(unsigned int irq, unsigned int gpio)
{
int ret;
WARN_ON(s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)) < 0);
WARN_ON(s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP) < 0);
ret = request_irq(irq, sleep_action, IRQF_TRIGGER_FALLING,
"sleep", NULL);
if (ret < 0)
printk(KERN_ERR "%s: request_irq() failed\n", __func__);
ret = set_irq_wake(irq, 1);
if (ret < 0)
printk(KERN_ERR "%s: set_irq_wake() failed\n", __func__);
}
static void sleep_led(unsigned int gpio)
{
gpio_request(gpio, "sleep led");
gpio_direction_output(gpio, 0);
}
static __init int smdk6410_sleeptest_init(void)
{
sleep_setup(IRQ_EINT(10), S3C64XX_GPN(10));
sleep_led(S3C64XX_GPN(15));
sleep_led(S3C64XX_GPN(14));
sleep_led(S3C64XX_GPN(13));
sleep_led(S3C64XX_GPN(12));
return 0;
}
module_init(smdk6410_sleeptest_init);
MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
MODULE_LICENSE("GPL");
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