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

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Date:   Mon, 24 Oct 2022 12:46:41 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     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 24/10/2022 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?

Just like I replied to Konrad - if that's true, bindings are simply
wrong and should be fixed.

Best regards,
Krzysztof