lightningInputFieldExample.cmp

<aura:component implements="flexipage:availableForRecordHome,force:hasRecordId,force:hasSobjectName" access="global" >
    <lightning:recordEditForm recordId="{!v.recordId}" objectApiName="{!v.sObjectName}">
        <lightning:messages />
        <lightning:inputField fieldName="Name" />
        <lightning:inputField fieldName="<INSERTNAMESPACEHERE>__LookupField__c" />
        <lightning:button class="slds-m-top_small" variant="brand" type="submit" name="update" label="Update" onclick="{!c.handleClick}" />
    </lightning:recordEditForm>
</aura:component>

lightningInputFieldExampleController.js

({
	handleClick : function(component, event, helper) {
		var event = $A.get("e.force:refreshView");
        event.fire();
	}
})