src/mainboard/ti/beaglebone/leds.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <assert.h>
   4 #include <soc/ti/am335x/gpio.h>
   5
   6 #include "leds.h"
   7
   8 static const int led_gpios[BEAGLEBONE_LED_COUNT] = {
   9         [BEAGLEBONE_LED_USR0] = AM335X_GPIO_BITS_PER_BANK + 21,
  10         [BEAGLEBONE_LED_USR1] = AM335X_GPIO_BITS_PER_BANK + 22,
  11         [BEAGLEBONE_LED_USR2] = AM335X_GPIO_BITS_PER_BANK + 23,
  12         [BEAGLEBONE_LED_USR3] = AM335X_GPIO_BITS_PER_BANK + 24
  13 };
  14
  15 void beaglebone_leds_init(void)
  16 {
  17         int i;
  18
  19         for (i = 0; i < ARRAY_SIZE(led_gpios); i++)
  20                 gpio_direction_output(led_gpios[i], 0);
  21 }
  22
  23 void beaglebone_leds_set(enum beaglebone_led led, int on)
  24 {
  25         int res;
  26
  27         ASSERT(led < ARRAY_SIZE(led_gpios) && led_gpios[led]);
  28         res = gpio_set_value(led_gpios[led], on);
  29         ASSERT(res != -1);
  30 }