description: ESP32 LEDC-backed PWM backlight compatible: "espressif,esp32-ledc-backlight" properties: pin-backlight: type: phandles required: true description: Backlight PWM output pin frequency-hz: type: int default: 30000 description: PWM frequency in Hz brightness-level-range: type: values default: [0, 255] description: Inclusive [min,max] brightness range. The minimum value turns the backlight off. brightness-default: type: int default: 200 description: Default brightness level, applied by set_brightness_default(). Should fall within brightness-level-range. ledc-timer: type: int default: 0 description: LEDC timer index, defined by ledc_timer_t ledc-channel: type: int default: 0 description: LEDC channel index, defined by ledc_channel_t