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Message-ID: <17117e8a-e808-4908-985f-932232b1e6ea@quicinc.com>
Date: Mon, 22 Jan 2024 20:58:33 +0800
From: Jie Luo <quic_luoj@...cinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Dmitry Baryshkov
	<dmitry.baryshkov@...aro.org>
CC: <andersson@...nel.org>, <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <quic_kkumarcs@...cinc.com>, <quic_suruchia@...cinc.com>,
        <quic_soni@...cinc.com>, <quic_pavir@...cinc.com>,
        <quic_souravp@...cinc.com>, <quic_linchen@...cinc.com>,
        <quic_leiwei@...cinc.com>
Subject: Re: [PATCH 1/6] arm64: dts: qcom: ipq9574: Add PPE device tree node



On 1/12/2024 10:51 PM, Krzysztof Kozlowski wrote:
> On 12/01/2024 15:40, Jie Luo wrote:
>>>
>>>   From the first glance, the bindings do not follow upstream principles.
>>> You have all the settings (tdm, port config, etc) in the DT, while
>>> they should instead go to the driver. Well, unless you expect that the
>>> board might need to override them.
>>>
>> Hi Dmitry,
>> The TDM configuration varies per SoC type, since the ethernet port
>> capabilities of the SoCs vary. So we will have two different TDM
>> configurations for IPQ5332 and IPQ9574 SoC. The driver also will
>> need to support future SoC, so we choose to configure this from the
>> DTSI. The same reason applies to the port scheduler config as well.
> 
> Your statements here confirm Dmitry suggestion, so these are not board
> specific and should go to the driver. Please read again Dmitry's sentences.
> 
> Best regards,
> Krzysztof
> 

Sure, we will update the driver to configure the TDM depending on the 
SoC need.

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