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

From: Vinod Koul <vkoul@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Stephen Boyd <sboyd@kernel.org>,
	linux-arm-msm@vger.kernel.org, Andy Gross <agross@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Konrad Dybcio <konrad.dybcio@somainline.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 10/13] arm64: dts: qcom: sm8450: add spmi node
Date: Wed, 26 Oct 2022 11:03:00 +0530	[thread overview]
Message-ID: <Y1jGjCU47+tOBLus@matsya> (raw)
In-Reply-To: <CAA8EJpovd0D154QUG1_EtCnCrffJBt+SPWQtLEZWb=dc_PLGjA@mail.gmail.com>

On 24-10-22, 21:58, Dmitry Baryshkov wrote:
> On Mon, 24 Oct 2022 at 21:56, Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.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@kernel.org>
> > >>>>> Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.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@b220000 {
> > >>>>>                           interrupt-controller;
> > >>>>>                   };
> > >>>>>
> > >>>>> +         spmi_bus: spmi@c42d000 {
> > >>>>> +                 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