Re: [PATCH v3 2/2] arm64: dts: mediatek: add Kontron 3.5"-SBC-i1200

["Michael Walle" <mwalle@kernel.org>]

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Hi,

On Wed Feb 21, 2024 at 4:59 PM CET, Michael Walle wrote:
> Add basic support for the Kontron 3.5" single board computer featuring a
> Mediatek i1200 SoC (MT8395/MT8195).
>
> Signed-off-by: Michael Walle <mwalle@kernel.org>

Any feedback on this? Should I repost after the merge window or is
it fine as it is for now?

-michael

> ---
> v3:
> - add vsys regulator
> - correct the LDO input of the mt6360 regulator
> - add missing interrupt-cells
> - no underscores in node names
> - dropped regulator-compatible everywhere and use the correc node name
>   instead
> - reordered mmc0 properties
> - split mmc1 pinctrl properties, add no-mmc
> - removed all MTK_DRIVE_8mA
> - add i2c0 and i2c1
> - add comments for spi and i2c busses
> - add firmware-name property for scp (this should probably go into the
>   base dtsi?!)
> - add missing tpm compatible
> - renamed thermal zones to something more meaningful
> - add correct bias-pull-up to (some) i2c busses
> - moved reset handling into the PHY node, also added a compatible string
>   for the PHY.
>
> Mh, my memory is hazy, but IIRC I run into the same problem which was
> discussed on netdev some time ago. That is, the PHY driver cannot be
> probed unless it is taken out of reset. Which will only happen if you
> probe it. And the workaround/advise was to use the compatible string in
> that case, which is unfortunate.
> Just wanted to point out, that it is *not* the same as snps,reset-*
> because the latter will work just fine without the compatible. I'll
> go with the compatible for now.
>
> I did *not* add the vbus to the USB ports, not even on the front port.
> That is because of:
>   dependencies:
>     connector: [ usb-role-switch ]
> and we just have a simple USB3.2 USB-A connector, no dual roles. IMHO
> that is a bug in the driver, which should handle the vbus supply as
> optional.
>
> v2:
> - none

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