Re: [PATCH] arm64: dts: qcom: pmk8350: Make RTC disabled by default; enable on sc7280-idp

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On 2021-09-30 04:08, Douglas Anderson wrote:
The RTC on the pmk8350 is not useful on all boards. Some boards may
not provide backup power to the PMIC but might have another RTC on the
board that does have backup power. In this case it's better to not use
the RTC on the PMIC.

At the moment, the only boards that includes this PMIC are sc7280-idp
and sc7280-idp2. On sc7280-idp I'm not aware of any other RTCs, but
sc7280-idp2 has a Chrome OS EC on it and this is intended to provide
the RTC for the AP.

Let's do what we normally do for hardware that's not used by all
boards and set it to a default status of "disabled" and then enable it
on the boards that need it.

NOTE: for sc7280-idp it's _possible_ we might also want to add
`allow-set-time;`. That could be the subject of a future patch if it
is indeed true.

Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---


Reviewed-by: Satya Priya <skakit@xxxxxxxxxxxxxx>



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