1/*
2 * linux/arch/arm/mach-omap1/leds.c
3 *
4 * OMAP LEDs dispatcher
5 */
6#include <linux/kernel.h>
7#include <linux/init.h>
8
9#include <asm/leds.h>
10#include <asm/mach-types.h>
11
12#include <asm/arch/gpio.h>
13#include <asm/arch/mux.h>
14
15#include "leds.h"
16
17static int __init
18omap_leds_init(void)
19{
20	if (machine_is_omap_innovator())
21		leds_event = innovator_leds_event;
22
23	else if (machine_is_omap_h2()
24			|| machine_is_omap_h3()
25			|| machine_is_omap_perseus2())
26		leds_event = h2p2_dbg_leds_event;
27
28	else if (machine_is_omap_osk())
29		leds_event = osk_leds_event;
30
31	else
32		return -1;
33
34	if (machine_is_omap_h2()
35			|| machine_is_omap_h3()
36#ifdef	CONFIG_OMAP_OSK_MISTRAL
37			|| machine_is_omap_osk()
38#endif
39			) {
40
41		/* LED1/LED2 pins can be used as GPIO (as done here), or by
42		 * the LPG (works even in deep sleep!), to drive a bicolor
43		 * LED on the H2 sample board, and another on the H2/P2
44		 * "surfer" expansion board.
45		 *
46		 * The same pins drive a LED on the OSK Mistral board, but
47		 * that's a different kind of LED (just one color at a time).
48		 */
49		omap_cfg_reg(P18_1610_GPIO3);
50		if (omap_request_gpio(3) == 0)
51			omap_set_gpio_direction(3, 0);
52		else
53			printk(KERN_WARNING "LED: can't get GPIO3/red?\n");
54
55		omap_cfg_reg(MPUIO4);
56		if (omap_request_gpio(OMAP_MPUIO(4)) == 0)
57			omap_set_gpio_direction(OMAP_MPUIO(4), 0);
58		else
59			printk(KERN_WARNING "LED: can't get MPUIO4/green?\n");
60	}
61
62	leds_event(led_start);
63	return 0;
64}
65
66__initcall(omap_leds_init);
67