// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2010 Texas Instruments, Inc. * Jason Kridner <jkridner@beagleboard.org> */ #include <common.h> #include <status_led.h> #include <asm/arch/cpu.h> #include <asm/io.h> #include <asm/arch/sys_proto.h> #include <asm/gpio.h> /* GPIO pins for the LEDs */ #define BEAGLE_LED_USR0 150 #define BEAGLE_LED_USR1 149 #ifdef CONFIG_LED_STATUS_GREEN void green_led_off(void) { __led_set(CONFIG_LED_STATUS_GREEN, 0); } void green_led_on(void) { __led_set(CONFIG_LED_STATUS_GREEN, 1); } #endif static int get_led_gpio(led_id_t mask) { #ifdef CONFIG_LED_STATUS0 if (CONFIG_LED_STATUS_BIT & mask) return BEAGLE_LED_USR0; #endif #ifdef CONFIG_LED_STATUS1 if (CONFIG_LED_STATUS_BIT1 & mask) return BEAGLE_LED_USR1; #endif return 0; } void __led_init (led_id_t mask, int state) { int toggle_gpio; toggle_gpio = get_led_gpio(mask); if (toggle_gpio && !gpio_request(toggle_gpio, "led")) __led_set(mask, state); } void __led_toggle (led_id_t mask) { int state, toggle_gpio; toggle_gpio = get_led_gpio(mask); if (toggle_gpio) { state = gpio_get_value(toggle_gpio); gpio_direction_output(toggle_gpio, !state); } } void __led_set (led_id_t mask, int state) { int toggle_gpio; toggle_gpio = get_led_gpio(mask); if (toggle_gpio) gpio_direction_output(toggle_gpio, state); }