On 08/14/18 07:46, 张波 wrote:
> /delete-node/ /delete-prop/ could be used in dtsi files without device
> tree overlay.
>
> but with device tree overlay, /delete-node/ and /delete-prop/ are not work.
> How to delete property and node in overlay dts?
>
> for example,
> in basel.dts have following node
> node1 {
> property1;
> property3;
> node2 {
> property2;
> }
> }
>
> in overlay.dts as following
> node1 {
> /delete-property/ property1;
> /delete-node/ node2;
> }
>
> after overlay, property1 and node2 is not deleted.
>
The /delete-node/ and /delete-prop/ directives are only used by the
dtc compiler within a single compilation.
There is nothing in the format of a devicetree blob to represent the
notion of deleting a property or a node.
You can not delete a property or a node in an overlay dtb.
