linux-kernel - Re: [PATCH 1/3] arm64: dts: meson-axg: add VPU and PWRC nodes

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Date:   Wed, 16 Sep 2020 09:12:44 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     khilman@...libre.com, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] arm64: dts: meson-axg: add VPU and PWRC nodes

On 15/09/2020 21:50, Martin Blumenstingl wrote:
> Hi Neil,
> 
> On Mon, Sep 7, 2020 at 10:33 AM Neil Armstrong <narmstrong@...libre.com> wrote:
>>
>> This add the display VPU node and the power controller PWRC node.
> s/add/adds/
> 
>> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> Acked-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> 
> [...]
>> +               vpu: vpu@...00000 {
>> +                       compatible = "amlogic,meson-axg-vpu";
>> +                       reg = <0x0 0xff900000 0x0 0x100000>,
>> +                             <0x0 0xff63c000 0x0 0x1000>;
> my plan is to replace the "hhi" binding with a reference to the HHI
> syscon - but at the same time I'm not sure if it's a good idea (or
> whether for example CVBS support should be split off into a sub-driver
> which is then part of the HHI MFD syscon).

It's also my plan, yes until we get 100% rid of HHI access from DRM driver,
we still need it.

It you want to push it, please do it !

Neil

> maybe we can align at some point about the next steps with the the DRM
> driver (as I want to add support for the older gen SoCs still)
> that's nothing for this patch though
> 
> 
> Best regards,
> Martin
>