WhyCan Forum(哇酷开发者社区)

pitft: pitft@0{
                compatible = "sitronix,st7789v";
                reg = <0>;
                status = "disabled";

                spi-max-frequency = <50000000>;
                rotate = <90>;
                fps = <33>;
                buswidth = <8>;
                dc-gpios = <&pio 0 1 GPIO_ACTIVE_HIGH>;  /* PA1 */
                /*reset-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; */
/*PG11*/
                led-gpios = <&pio 0 0 GPIO_ACTIVE_LOW>;  /* PA0 */
                debug = <0x0>;
        };

   40.183249] sun8i-h3-pinctrl 1c20800.pinctrl: pin PG11 already requested by leds; cannot claim for mytestleds
[   40.193749] sun8i-h3-pinctrl 1c20800.pinctrl: pin-203 (mytestleds) status -22
[   40.201243] sun8i-h3-pinctrl 1c20800.pinctrl: could not request pin 203 (PG11) from group PG11  on device 1c20800.pinctrl
[   40.212667] mytest-led mytestleds: Error applying setting, reverse things back
[   40.232025] mytest-led: probe of mytestleds failed with error -22