&ocmcram {
	// reserve some ocmc ram for pruss.
	// note: the first 8KB (0x2000 bytes) is reserved for the kernel (see am33xx.dtsi)
	pru-shmem@4000 {
		reg = <0x4000 0x4000>;
		export;
	};
};

&ocp {
	// create uio device to make the ram accessible from userspace
	pru-shmem@40304000 {
		reg = <0x40304000 0x4000>;
		// use uio_pdrv_genirq driver.  requires a modprobe.d rule like
		//     https://github.com/mvduin/py-uio/blob/master/etc/modprobe.d/uio.conf
		compatible = "uio";
		// create a convenient symlink.  uses /etc/udev/rules.d/10-of-symlink.rules
		// if it's missing on your system, update the bb-customizations package to latest version.
		symlink = "uio/pru-shmem";
	};
};