arch/arm/dts/imx8mq-pico-pi-u-boot.dtsi - platform/external/u-boot - Gitiles

 // SPDX-License-Identifier: (GPL-2.0 OR MIT)

 &pinctrl_uart1 {
 	u-boot,dm-spl;
 };

 &uart1 {
 	u-boot,dm-spl;
 };
	// SPDX-License-Identifier: (GPL-2.0 OR MIT)

	&pinctrl_uart1 {
	u-boot,dm-spl;
	};

	&uart1 {
	u-boot,dm-spl;
	};