diff options
Diffstat (limited to 'arch/arm/mach-omap1/leds.c')
-rw-r--r-- | arch/arm/mach-omap1/leds.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/leds.c b/arch/arm/mach-omap1/leds.c new file mode 100644 index 000000000000..8ab21fe98e1b --- /dev/null +++ b/arch/arm/mach-omap1/leds.c | |||
@@ -0,0 +1,61 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-omap/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 | |||
17 | static int __init | ||
18 | omap_leds_init(void) | ||
19 | { | ||
20 | if (machine_is_omap_innovator()) | ||
21 | leds_event = innovator_leds_event; | ||
22 | |||
23 | else if (machine_is_omap_h2() || machine_is_omap_perseus2()) | ||
24 | leds_event = h2p2_dbg_leds_event; | ||
25 | |||
26 | else if (machine_is_omap_osk()) | ||
27 | leds_event = osk_leds_event; | ||
28 | |||
29 | else | ||
30 | return -1; | ||
31 | |||
32 | if (machine_is_omap_h2() | ||
33 | || machine_is_omap_perseus2() | ||
34 | || machine_is_omap_osk()) { | ||
35 | |||
36 | /* LED1/LED2 pins can be used as GPIO (as done here), or by | ||
37 | * the LPG (works even in deep sleep!), to drive a bicolor | ||
38 | * LED on the H2 sample board, and another on the H2/P2 | ||
39 | * "surfer" expansion board. | ||
40 | * | ||
41 | * The same pins drive a LED on the OSK Mistral board, but | ||
42 | * that's a different kind of LED (just one color at a time). | ||
43 | */ | ||
44 | omap_cfg_reg(P18_1610_GPIO3); | ||
45 | if (omap_request_gpio(3) == 0) | ||
46 | omap_set_gpio_direction(3, 0); | ||
47 | else | ||
48 | printk(KERN_WARNING "LED: can't get GPIO3/red?\n"); | ||
49 | |||
50 | omap_cfg_reg(MPUIO4); | ||
51 | if (omap_request_gpio(OMAP_MPUIO(4)) == 0) | ||
52 | omap_set_gpio_direction(OMAP_MPUIO(4), 0); | ||
53 | else | ||
54 | printk(KERN_WARNING "LED: can't get MPUIO4/green?\n"); | ||
55 | } | ||
56 | |||
57 | leds_event(led_start); | ||
58 | return 0; | ||
59 | } | ||
60 | |||
61 | __initcall(omap_leds_init); | ||