/ { sram@2003FFE0 { compatible = "zephyr,memory-region", "mmio-sram"; reg = <0x2003FFE0 0x20>; zephyr,memory-region = "RetainedMem"; status = "okay"; retainedmem0: retainedmem { compatible = "zephyr,retained-ram"; status = "okay"; }; }; aliases { retainedmemtestdevice = &retainedmem0; }; }; &gpregret1 { status = "disabled"; }; &gpregret2 { status = "disabled"; }; &sram0 { reg = <0x20000000 DT_SIZE_K(252)>; };