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/*
* LED driver for Atmel AT91-based boards.
*
* Copyright (C) SAN People (Pty) Ltd
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include "board.h"
#include "gpio.h"
/* ------------------------------------------------------------------------- */
#if defined(CONFIG_NEW_LEDS)
/*
* New cross-platform LED support.
*/
static struct gpio_led_platform_data led_data;
static struct platform_device at91_gpio_leds_device = {
.name = "leds-gpio",
.id = -1,
.dev.platform_data = &led_data,
};
void __init at91_gpio_leds(struct gpio_led *leds, int nr)
{
int i;
if (!nr)
return;
for (i = 0; i < nr; i++)
at91_set_gpio_output(leds[i].gpio, leds[i].active_low);
led_data.leds = leds;
led_data.num_leds = nr;
platform_device_register(&at91_gpio_leds_device);
}
#else
void __init at91_gpio_leds(struct gpio_led *leds, int nr) {}
#endif
/* ------------------------------------------------------------------------- */
#if defined (CONFIG_LEDS_ATMEL_PWM)
/*
* PWM Leds
*/
static struct gpio_led_platform_data pwm_led_data;
static struct platform_device at91_pwm_leds_device = {
.name = "leds-atmel-pwm",
.id = -1,
.dev.platform_data = &pwm_led_data,
};
void __init at91_pwm_leds(struct gpio_led *leds, int nr)
{
int i;
u32 pwm_mask = 0;
if (!nr)
return;
for (i = 0; i < nr; i++)
pwm_mask |= (1 << leds[i].gpio);
pwm_led_data.leds = leds;
pwm_led_data.num_leds = nr;
at91_add_device_pwm(pwm_mask);
platform_device_register(&at91_pwm_leds_device);
}
#else
void __init at91_pwm_leds(struct gpio_led *leds, int nr){}
#endif
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