Re: [PATCH v3 3/6] dt-bindings: clock: imx8mp: Add reset-controller sub-node

From: Conor Dooley
Date: Fri May 17 2024 - 12:21:49 EST


On Thu, May 16, 2024 at 11:56:27PM -0400, Frank Li wrote:

> Look like it is easy to register auxdev "reset" devices. But I have a
> problem. How to use it by DT phandle? "reset" devices is service provider.
> Some client will use it.
>
> Generally, reset node will used by other devices nodes. like
>
> ABC: reset {
> compatible="simple-reset";
> ...
> }
>
> other node will use "reset = <&ABC 0>". If use auxdev, how to get &ABC
> in dts file.

Whether or not you use auxdev or any other method etc, does not matter
in a DT system, the consumer will always have a phandle to the provider
node:

ABC: whatever {
compatible = "whatever";
#clock-cells = <...>;
#reset-cells = <...>;
}

something-else {
clocks = <&ABC ...>;
resets = <&ABC ...>;
}

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