AEM 6.1 Touch UI Component Inplace editing

Make sure you have editorType="text" or editorType="textImage" property added to the inlineEditing node.

Refer to xml below:

<jcr:root xmlns:cq="http://www.day.com/jcr/cq/1.0" xmlns:jcr="http://www.jcp.org/jcr/1.0" xmlns:nt="http://www.jcp.org/jcr/nt/1.0"
    cq:actions="[text:Text/Image,-,EDIT,DELETE]"
    cq:dialogMode="floating"
    cq:layout="editbar"
    jcr:primaryType="cq:EditConfig">
    <cq:inplaceEditing
        jcr:primaryType="cq:InplaceEditingConfig"
        active="{Boolean}true"
        editorType="text">
        <config jcr:primaryType="nt:unstructured">
            <rtePlugins jcr:primaryType="nt:unstructured">
                <subsuperscript
                    jcr:primaryType="nt:unstructured"
                    features="*"/>
            </rtePlugins>
        </config>
    </cq:inplaceEditing>
</jcr:root>