linux-kernel - Re: [PATCH v2 10/13] arm64: dts: qcom: sm8450: add spmi node

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Date:   Wed, 26 Oct 2022 11:03:00 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>, linux-arm-msm@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 10/13] arm64: dts: qcom: sm8450: add spmi node

On 24-10-22, 21:58, Dmitry Baryshkov wrote:
> On Mon, 24 Oct 2022 at 21:56, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
> >
> > On 24/10/2022 12:48, Dmitry Baryshkov wrote:
> > > On 24/10/2022 19:46, Krzysztof Kozlowski wrote:
> > >> On 24/10/2022 12:45, Dmitry Baryshkov wrote:
> > >>> On 24/10/2022 17:56, Krzysztof Kozlowski wrote:
> > >>>> On 09/12/2021 05:35, Vinod Koul wrote:
> > >>>>> Add the spmi bus as found in the SM8450 SoC
> > >>>>>
> > >>>>> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> > >>>>> Reviewed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> > >>>>> ---
> > >>>>>    arch/arm64/boot/dts/qcom/sm8450.dtsi | 18 ++++++++++++++++++
> > >>>>>    1 file changed, 18 insertions(+)
> > >>>>>
> > >>>>> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> > >>>>> index f75de777f6ea..b80e34fd3fe1 100644
> > >>>>> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> > >>>>> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> > >>>>> @@ -645,6 +645,24 @@ pdc: interrupt-controller@...0000 {
> > >>>>>                           interrupt-controller;
> > >>>>>                   };
> > >>>>>
> > >>>>> +         spmi_bus: spmi@...d000 {
> > >>>>> +                 compatible = "qcom,spmi-pmic-arb";
> > >>>>> +                 reg = <0x0 0x0c400000 0x0 0x00003000>,
> > >>>>> +                       <0x0 0x0c500000 0x0 0x00400000>,
> > >>>>> +                       <0x0 0x0c440000 0x0 0x00080000>,
> > >>>>> +                       <0x0 0x0c4c0000 0x0 0x00010000>,
> > >>>>> +                       <0x0 0x0c42d000 0x0 0x00010000>;
> > >>>>
> > >>>> This is a patch from December 2021. Is there anything blocking it from
> > >>>> being merged?
> > >>>>
> > >>>> The same applies to several other patches here.
> > >>>
> > >>> As far as I know, Stephen still didn't pick up the spmi-pmic-arb support
> > >>> for the PMIC on the SM8450 platform. Thus we also can not merge the DT
> > >>> parts.
> > >>
> > >> Why we cannot merge DTS? How is DTS with new nodes depending on any
> > >> driver changes?
> > >
> > > In this particular case, there was an open question, what should be the
> > > bindings for the PMIC ARB v7.
> >
> > Ah, so it is about PMIC ARB v7 bindings? Then it's reasonable to wait
> > with this one. I just had an impression that it's about driver changes...
> 
> Yes, it's about binding. Thus we have been waiting for quite some time.

Yes sadly Steven has stopped responding to emails or IRC.. I am not
sure whats going on!

Even the SPMI tree is not being actively maintained with only few
patches which were picked in last cycle since this year!

-- 
~Vinod