RE: [PATCH 3/3] arm64: dts: imx8mp: add mu node

From: Peng Fan
Date: Tue May 19 2020 - 23:01:27 EST


> Subject: Re: [PATCH 3/3] arm64: dts: imx8mp: add mu node
>
> Hi Peng,
>
> On Tue, May 19, 2020 at 11:15 PM <peng.fan@xxxxxxx> wrote:
>
> > + mu: mailbox@30aa0000 {
> > + compatible = "fsl,imx6sx-mu";
>
> This should be better described as:
>
> compatible = "fsl,imx8mp-mu", "fsl,imx6sx-mu";
>
> From Documentation/devicetree/bindings/mailbox/fsl,mu.txt:
>
> "The "fsl,imx6sx-mu" compatible is seen as generic and should be included
> together with SoC specific compatible."

Nothing specific in i.MX8MP for the mu part, so do we really need
add "fsl,imx8mp-mu"?

Thanks,
Peng.