| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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); |