tests/char_literal.dts - dtc - Git at Google

 /dts-v1/;

 / {
 	char-literal-cells = <'\r' 'b' '\0' '\'' '\xff'>;
 };
	/dts-v1/;

	/ {
	char-literal-cells = <'\r' 'b' '\0' '\'' '\xff'>;
	};