WhyCan Forum(哇酷开发者社区)

        leds {
                compatible = "gpio-leds";

                blue_led {
                        label = "licheepi:blue:usr";
                        gpios = <&pio 6 1 GPIO_ACTIVE_LOW>; /* PG1 */
                };

                green_led {
                        label = "licheepi:green:usr";
                        gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
                        default-state = "on";
                };

                red_led {
                        label = "licheepi:red:usr";
                        gpios = <&pio 6 2 GPIO_ACTIVE_LOW>; /* PG2 */
                };
        };