avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/arch/arm/dts/tegra210-p2571.dts

@@ -0,0 +1,106 @@
+/dts-v1/;
+
+#include "tegra210.dtsi"
+
+/ {
+	model = "NVIDIA P2571";
+	compatible = "nvidia,p2571", "nvidia,tegra210";
+
+	chosen {
+		stdout-path = &uarta;
+	};
+
+	aliases {
+		i2c0 = "/i2c@0,7000d000";
+		i2c1 = "/i2c@0,7000c000";
+		i2c2 = "/i2c@0,7000c400";
+		i2c3 = "/i2c@0,7000c500";
+		i2c4 = "/i2c@0,7000c700";
+		i2c5 = "/i2c@0,7000d100";
+		sdhci0 = "/sdhci@0,700b0600";
+		sdhci1 = "/sdhci@0,700b0000";
+		spi0 = "/spi@0,7000d400";
+		spi1 = "/spi@0,7000da00";
+		spi2 = "/spi@0,70410000";
+		usb0 = "/usb@0,7d000000";
+	};
+
+	memory {
+		reg = <0x0 0x80000000 0x0 0xc0000000>;
+	};
+
+	i2c@0,7000c000 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@0,7000c400 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@0,7000c500 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@0,7000c700 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@0,7000d000 {
+		status = "okay";
+		clock-frequency = <400000>;
+	};
+
+	i2c@0,7000d100 {
+		status = "okay";
+		clock-frequency = <400000>;
+	};
+
+	spi@0,7000d400 {
+		status = "okay";
+		spi-max-frequency = <25000000>;
+	};
+
+	spi@0,7000da00 {
+		status = "okay";
+		spi-max-frequency = <25000000>;
+	};
+
+	spi@0,70410000 {
+		status = "okay";
+		spi-max-frequency = <24000000>;
+	};
+
+	sdhci@0,700b0000 {
+		status = "okay";
+		cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
+		power-gpios = <&gpio TEGRA_GPIO(Z, 4) GPIO_ACTIVE_HIGH>;
+		bus-width = <4>;
+	};
+
+	sdhci@0,700b0600 {
+		status = "okay";
+		bus-width = <8>;
+	};
+
+	usb@0,7d000000 {
+		status = "okay";
+		dr_mode = "otg";
+	};
+
+	clocks {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		clk32k_in: clock@0 {
+			compatible = "fixed-clock";
+			reg = <0>;
+			#clock-cells = <0>;
+			clock-frequency = <32768>;
+		};
+	};
+};