Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
[pandora-kernel.git] / arch / arm / mach-omap1 / leds.c
1 /*
2  * linux/arch/arm/mach-omap1/leds.c
3  *
4  * OMAP LEDs dispatcher
5  */
6 #include <linux/gpio.h>
7 #include <linux/kernel.h>
8 #include <linux/init.h>
9
10 #include <asm/leds.h>
11 #include <asm/mach-types.h>
12
13 #include <plat/mux.h>
14
15 #include "leds.h"
16
17 static int __init
18 omap_leds_init(void)
19 {
20         if (!cpu_class_is_omap1())
21                 return -ENODEV;
22
23         if (machine_is_omap_innovator())
24                 leds_event = innovator_leds_event;
25
26         else if (machine_is_omap_h2()
27                         || machine_is_omap_h3()
28                         || machine_is_omap_perseus2())
29                 leds_event = h2p2_dbg_leds_event;
30
31         else if (machine_is_omap_osk())
32                 leds_event = osk_leds_event;
33
34         else
35                 return -1;
36
37         if (machine_is_omap_h2()
38                         || machine_is_omap_h3()
39 #ifdef  CONFIG_OMAP_OSK_MISTRAL
40                         || machine_is_omap_osk()
41 #endif
42                         ) {
43
44                 /* LED1/LED2 pins can be used as GPIO (as done here), or by
45                  * the LPG (works even in deep sleep!), to drive a bicolor
46                  * LED on the H2 sample board, and another on the H2/P2
47                  * "surfer" expansion board.
48                  *
49                  * The same pins drive a LED on the OSK Mistral board, but
50                  * that's a different kind of LED (just one color at a time).
51                  */
52                 omap_cfg_reg(P18_1610_GPIO3);
53                 if (gpio_request(3, "LED red") == 0)
54                         gpio_direction_output(3, 1);
55                 else
56                         printk(KERN_WARNING "LED: can't get GPIO3/red?\n");
57
58                 omap_cfg_reg(MPUIO4);
59                 if (gpio_request(OMAP_MPUIO(4), "LED green") == 0)
60                         gpio_direction_output(OMAP_MPUIO(4), 1);
61                 else
62                         printk(KERN_WARNING "LED: can't get MPUIO4/green?\n");
63         }
64
65         leds_event(led_start);
66         return 0;
67 }
68
69 __initcall(omap_leds_init);