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