#include "am335x-boneblack.dts"
#include <dt-bindings/pinctrl/am33xx.h>
#include <dt-bindings/board/am335x-bbw-bbb-base.h>

&{/chosen} {
	base_dtb = "am335x-boneblack-custom-example.dts";   // <-- name of this file goes here
};

// if you want to use UIO-PRUSS:
#include "am335x-uio-pruss.dtsi"  // download from https://pastebin.com/yuFnTWWL


// if you want to disable HDMI:
&lcdc {  status = "disabled";  };
&tda19988 {  status = "disabled";  };

// if you want to disable HDMI or just disable HDMI audio:
/ {  /delete-node/ sound;  };
&mcasp0	{  status = "disabled";  };


// example to enable UART4:
&uart4 {
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&uart4_pins>;
};
&am33xx_pinmux {
	// Note that a label ("uart4_pins") cannot contain punctuation other than underscores and must be globally unique.
	// On the other hand, for a node name ("uart4") it is conventional to use dashes as separators, not underscores, and
	// it only needs to be unique within the parent node, which in this case is the pinmux controller, so putting "pins"
	// or "pinmux" in the node name would be very redundant.
	//
	// My suggested naming scheme for pinmux nodes is:
	//    some_thing_pins: some-thing { ... };
	//
	uart4_pins: uart4 {
		pinctrl-single,pins = <
			BONE_P9_13 ( PIN_OUTPUT_PULLUP | MUX_MODE6 )  // txd
			BONE_P9_11 ( PIN_INPUT_PULLUP  | MUX_MODE6 )  // rxd
			// uncomment if you're using these:
		//	BONE_P8_33 ( PIN_OUTPUT_PULLUP | MUX_MODE6 )  // rts
		//	BONE_P8_35 ( PIN_INPUT_PULLUP  | MUX_MODE6 )  // cts
		>;
	};
};