/dts-v1/; /plugin/; / { compatible = "amlogic,g12a", "amlogic,g12b", "amlogic,meson-gxl"; fragment@0 { target-path = "/reserved-memory"; __overlay__ { linux,cma { compatible = "shared-dma-pool"; reusable; size = <0x0 0x38000000>; alignment = <0x0 0x400000>; linux,cma-default; }; }; }; };