u-boot/arch/arm/dts/tegra186-p2771-0000-500.dts

/dts-v1/;

#include "tegra186-p2771-0000.dtsi"

/ {
	model = "NVIDIA P2771-0000-500";
	compatible = "nvidia,p2771-0000-500", "nvidia,p2771-0000", "nvidia,tegra186";

	sdhci@3400000 {
		cd-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 5) GPIO_ACTIVE_LOW>;
		power-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 6) GPIO_ACTIVE_HIGH>;
	};

	pcie@10003000 {
		status = "okay";

		pci@1,0 {
			status = "okay";
			nvidia,num-lanes = <4>;
		};

		pci@2,0 {
			status = "disabled";
			nvidia,num-lanes = <0>;
		};

		pci@3,0 {
			status = "disabled";
			nvidia,num-lanes = <1>;
		};
	};
};