linux-kernel - Re: [PATCH v2 6/7] arm64: dts: qcom: qcs8300: add Display Serial Interface device nodes

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Message-ID: <374098ea-23f1-4d1a-8f70-313a7e384f8d@quicinc.com>
Date: Tue, 14 Oct 2025 11:54:31 +0530
From: Ayushi Makhija <quic_amakhija@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <robdclark@...il.com>,
        <sean@...rly.run>, <marijn.suijten@...ainline.org>,
        <andersson@...nel.org>, <robh@...nel.org>, <robh+dt@...nel.org>,
        <krzk+dt@...nel.org>, <konradybcio@...nel.org>, <conor+dt@...nel.org>,
        <andrzej.hajda@...el.com>, <neil.armstrong@...aro.org>,
        <rfoss@...nel.org>, <Laurent.pinchart@...asonboard.com>,
        <jonathan@...ek.ca>, <jonas@...boo.se>, <jernej.skrabec@...il.com>,
        <quic_rajeevny@...cinc.com>, <quic_vproddut@...cinc.com>
Subject: Re: [PATCH v2 6/7] arm64: dts: qcom: qcs8300: add Display Serial
 Interface device nodes

On 10/6/2025 3:44 PM, Dmitry Baryshkov wrote:
> On Mon, Oct 06, 2025 at 07:09:23AM +0530, Ayushi Makhija wrote:
>> Add device tree nodes for the DSI0 controller with their corresponding
>> PHY found on Qualcomm QCS8300 SoC.
>>
>> Signed-off-by: Ayushi Makhija <quic_amakhija@...cinc.com>
>> ---
>>  arch/arm64/boot/dts/qcom/qcs8300.dtsi | 98 ++++++++++++++++++++++++++-
>>  1 file changed, 97 insertions(+), 1 deletion(-)
>>
>> +
>> +				mdss_dsi_opp_table: opp-table {
>> +					compatible = "operating-points-v2";
>> +
>> +					opp-358000000 {
>> +						opp-hz = /bits/ 64 <358000000>;
>> +						required-opps = <&rpmhpd_opp_svs_l1>;
>> +					};
> 
> Does it really support only a single freq?
> 

Hi Dmitry, yes it support only single opp frequency, I got this information from ipcat sw for monaco, similar
we have used for LeMans.

Thanks,
Ayushi


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