On Fri, Jan 24, 2025 at 12:14 AM Paul-pl Chen (陳柏霖)
<Paul-pl.Chen@xxxxxxxxxxxx> wrote:
>
> On Thu, 2025-01-23 at 08:21 +0100, Krzysztof Kozlowski wrote:
> >
> > External email : Please do not click links or open attachments until
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> >
> >
> > On 23/01/2025 07:11, Paul-pl Chen (陳柏霖) wrote:
> > >
> > > Hi Krzysztof
> > >
> > > I hope this email finds you well. I have a couple of questions
> > > regarding the EXDMA commit patch and decoupling:
> > >
> > > 1. Would removing the example from the EXDMA commit patch be
> > > sufficient
> > > to achieve decoupling for EXDMA YAML and MTK clock/power header?
> >
> > No
> >
> > >
> > > 2. If removing the example from the EXDMA YAML is not allowed, what
> > > alternative changes could we implement to achieve decoupling?
> >
> > Don't use the header constants but just some fake phandle.
> >
> >
> >
> > Best regards,
> > Krzysztof
>
> Hi Krzysztof,
>
> Once again, thanks for the review and reply.
>
> SO If we apply Chenyu's suggestion:
>
> + example:
> +-|
>
> +soc {
> +
> + disp_ovl0_exdma2: dma-controller@32850000 {
> +compatible = "mediatek,mt8196-exdma";
> +reg = <0 0x32850000 0 0x1000>;
> +clocks = <13>;
> +power-domains = <12>;
> +mediatek,larb = <88>;
> +iommus = <&mm_smmu 144>;
> +#dma-cells = <1>;
> + };
> + };
>
> Does this work for decoupling?
>
AFAIK it will since now it isn't including any headers.
ChenYu
> Best Regards,
>
> Paul
>
>
>
>
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