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/* Copyright 2022 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_LED_H__
#define __CROS_EC_LED_H__
#include <devicetree.h>
#define COMPAT_GPIO_LED cros_ec_gpio_led_pins
#define COMPAT_PWM_LED cros_ec_pwm_led_pins
#define GET_PROP(id, prop) \
COND_CODE_1(DT_NODE_HAS_PROP(id, prop), \
(DT_STRING_UPPER_TOKEN(id, prop)), \
(0))
#define GET_BR_COLOR(id, prop) \
COND_CODE_1(DT_NODE_HAS_PROP(id, prop), \
(DT_STRING_UPPER_TOKEN(id, prop)), \
(-1))
#define LED_ENUM(id, enum_name) DT_STRING_TOKEN(id, enum_name)
#define LED_ENUM_WITH_COMMA(id, enum_name) \
COND_CODE_1(DT_NODE_HAS_PROP(id, enum_name), \
(LED_ENUM(id, enum_name),), ())
#define GPIO_LED_PINS_NODE DT_PATH(gpio_led_pins)
#define PWM_LED_PINS_NODE DT_PATH(pwm_led_pins)
enum led_color {
#if DT_NODE_EXISTS(GPIO_LED_PINS_NODE)
DT_FOREACH_CHILD_VARGS(GPIO_LED_PINS_NODE,
LED_ENUM_WITH_COMMA, led_color)
#elif DT_NODE_EXISTS(PWM_LED_PINS_NODE)
DT_FOREACH_CHILD_VARGS(PWM_LED_PINS_NODE,
LED_ENUM_WITH_COMMA, led_color)
#endif
LED_COLOR_COUNT /* Number of colors, not a color itself */
};
/**
* Set LEDs to enable given color
*
* @param color LED Color to enable
*/
void led_set_color(enum led_color color);
#endif /* __CROS_EC_LED_H__ */
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