linux-kernel - Re: [PATCH 0/6] arm64: dts: qcom: smmu/USB nodes and HDK855/HDK865 dts

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Date:   Thu, 28 May 2020 23:15:09 -0400
From:   Jonathan Marek <jonathan@...ek.ca>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, Andy Gross <agross@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 0/6] arm64: dts: qcom: smmu/USB nodes and HDK855/HDK865
 dts

On 5/28/20 11:05 PM, Bjorn Andersson wrote:
> On Sat 23 May 19:38 PDT 2020, Jonathan Marek wrote:
> 
>> Add dts nodes for apps_smmu and USB for both sm8150 and sm8250.
>>
>> Also add initial dts files for HDK855 and HDK865, based on mtp dts, with a
>> few changes. Notably, the HDK865 dts has regulator config changed a bit based
>> on downstream (I think sm8250-mtp.dts is wrong and copied too much from sm8150).
> 
> Can you please elaborate on this discrepancy? I do remember seeing
> something odd when looking at this, but it seems like I didn't document
> it anywhere...
> 
> Thanks,
> Bjorn
> 

Mainly there's a few regulators with different min/max voltage values. 
For example with l16a, downstream has min/max 3024000/3304000 but 
upstream sm8250-mtp has 2704000/2960000. I also added l18a.

>>
>> Jonathan Marek (6):
>>    arm64: dts: qcom: sm8150: add apps_smmu node
>>    arm64: dts: qcom: sm8250: add apps_smmu node
>>    arm64: dts: qcom: sm8150: Add secondary USB and PHY nodes
>>    arm64: dts: qcom: sm8250: Add USB and PHY device nodes
>>    arm64: dts: qcom: add sm8150 hdk dts
>>    arm64: dts: qcom: add sm8250 hdk dts
>>
>>   arch/arm64/boot/dts/qcom/Makefile       |   2 +
>>   arch/arm64/boot/dts/qcom/sm8150-hdk.dts | 461 ++++++++++++++++++++++++
>>   arch/arm64/boot/dts/qcom/sm8150.dtsi    | 180 +++++++++
>>   arch/arm64/boot/dts/qcom/sm8250-hdk.dts | 454 +++++++++++++++++++++++
>>   arch/arm64/boot/dts/qcom/sm8250.dtsi    | 287 +++++++++++++++
>>   5 files changed, 1384 insertions(+)
>>   create mode 100644 arch/arm64/boot/dts/qcom/sm8150-hdk.dts
>>   create mode 100644 arch/arm64/boot/dts/qcom/sm8250-hdk.dts
>>
>> -- 
>> 2.26.1
>>