diff --git a/arch/sandbox/dts/sandbox.dtsi b/arch/sandbox/dts/sandbox.dtsi
index dc933f3bfc..7455c99a73 100644
--- a/arch/sandbox/dts/sandbox.dtsi
+++ b/arch/sandbox/dts/sandbox.dtsi
@@ -101,15 +101,19 @@
 		};
 
 		i2c_emul: emul {
+			u-boot,dm-pre-reloc;
 			reg = <0xff>;
 			compatible = "sandbox,i2c-emul-parent";
 			emul_eeprom: emul-eeprom {
 				compatible = "sandbox,i2c-eeprom";
 				sandbox,filename = "i2c.bin";
 				sandbox,size = <256>;
+				#emul-cells = <0>;
 			};
 			emul0: emul0 {
-				compatible = "sandbox,i2c-rtc";
+				u-boot,dm-pre-reloc;
+				compatible = "sandbox,i2c-rtc-emul";
+				#emul-cells = <0>;
 			};
 		};
 	};
diff --git a/doc/driver-model/pci-info.rst b/doc/driver-model/pci-info.rst
index 8b9faa1066..251601a51e 100644
--- a/doc/driver-model/pci-info.rst
+++ b/doc/driver-model/pci-info.rst
@@ -125,6 +125,7 @@ emulator driver. For example::
 		compatible = "sandbox,pci-emul-parent";
 		emul_1f: emul@1f,0 {
 			compatible = "sandbox,swap-case";
+			#emul-cells = <0>;
 		};
 	};