projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 7c38cf02 | 2 | * linux/arch/arm/mach-omap1/leds.c |
| 1da177e4 LT |
3 | * |
| 4 | * OMAP LEDs dispatcher | |
| 5 | */ | |
| 2f8163ba | 6 | #include <linux/gpio.h> |
| 1da177e4 LT |
7 | #include <linux/kernel.h> |
| 8 | #include <linux/init.h> | |
| 9 | ||
| 10 | #include <asm/leds.h> | |
| 11 | #include <asm/mach-types.h> | |
| 12 | ||
| ce491cf8 | 13 | #include <plat/mux.h> |
| 1da177e4 LT |
14 | |
| 15 | #include "leds.h" | |
| 16 | ||
| 17 | static int __init | |
| 18 | omap_leds_init(void) | |
| 19 | { | |
| 7f9187c2 TL |
20 | if (!cpu_class_is_omap1()) |
| 21 | return -ENODEV; | |
| 22 | ||
| 1da177e4 LT |
23 | if (machine_is_omap_innovator()) |
| 24 | leds_event = innovator_leds_event; | |
| 25 | ||
| 7c38cf02 TL |
26 | else if (machine_is_omap_h2() |
| 27 | || machine_is_omap_h3() | |
| 28 | || machine_is_omap_perseus2()) | |
| 1da177e4 LT |
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() | |
| 7c38cf02 | 38 | || machine_is_omap_h3() |
| 7c38cf02 TL |
39 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
| 40 | || machine_is_omap_osk() | |
| 41 | #endif | |
| 42 | ) { | |
| 1da177e4 LT |
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); | |
| f2d18fea | 53 | if (gpio_request(3, "LED red") == 0) |
| e918edf7 | 54 | gpio_direction_output(3, 1); |
| 1da177e4 LT |
55 | else |
| 56 | printk(KERN_WARNING "LED: can't get GPIO3/red?\n"); | |
| 57 | ||
| 58 | omap_cfg_reg(MPUIO4); | |
| f2d18fea | 59 | if (gpio_request(OMAP_MPUIO(4), "LED green") == 0) |
| e918edf7 | 60 | gpio_direction_output(OMAP_MPUIO(4), 1); |
| 1da177e4 LT |
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); |