Re: [PATCH v2 2/2] arm64: dts: qcom: Add base qrb4210-rb2 board dts

[Bhupesh Sharma]

On 3/16/23 5:22 AM, Konrad Dybcio wrote:
> On 15.03.2023 23:36, Bjorn Andersson wrote:
> > On Thu, Mar 16, 2023 at 02:31:45AM +0530, Bhupesh Sharma wrote:
> > > Add DTS for Qualcomm qrb4210-rb2 board which uses SM4250 SoC.
> > >
> > > This adds debug uart, emmc, uSD and tlmm support along with
> > > regulators found on this board.
> > >
> > > Also defines the 'xo_board' and 'sleep_clk' frequencies for
> > > this board.
> > >
> > > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> > > ---
> [...]
>
> > > +	vmmc-supply = <&vreg_l24a_2p96>;
> >
> > Is there any reason why this platform doesn't require the vmmc supply to
> > be driven to HPM? This has traditionally been coming back biting us
> > through some stability issues later.
> Do we even support HPM/LPM on SMD RPM?

I couldn't find any relevant documentation to say the same (HPM/LPM 
support on SMD RPM?).
So, I would suggest that we stick to the approach used in this patch for 
now.

@Bjorn, please let me know in case of any concerns.

Thanks,
Bhupesh