linux-kernel - Re: [PATCH v3 04/17] arm64: dts: sc7180: Add OPP table for all qup devices

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Date:   Mon, 29 Jun 2020 16:54:48 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     viresh.kumar@...aro.org, sboyd@...nel.org,
        bjorn.andersson@...aro.org, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 04/17] arm64: dts: sc7180: Add OPP table for all qup
 devices


On 6/25/2020 8:47 PM, Matthias Kaehlcke wrote:
> Hi Rajendra,
> 
> On Tue, Apr 28, 2020 at 07:02:52PM +0530, Rajendra Nayak wrote:
>> qup has a requirement to vote on the performance state of the CX domain
>> in sc7180 devices. Add OPP tables for these and also add power-domains
>> property for all qup instances.
>>
>> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
>> ---
>>   arch/arm64/boot/dts/qcom/sc7180.dtsi | 79 ++++++++++++++++++++++++++++++++++++
>>   1 file changed, 79 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>> index 998f101..efba600 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>> @@ -417,6 +417,25 @@
>>   			status = "disabled";
>>   		};
>>   
>> +		qup_opp_table: qup-opp-table {
>> +			compatible = "operating-points-v2";
>> +
>> +			opp-75000000 {
>> +				opp-hz = /bits/ 64 <75000000>;
>> +				required-opps = <&rpmhpd_opp_low_svs>;
>> +			};
>> +
>> +			opp-100000000 {
>> +				opp-hz = /bits/ 64 <100000000>;
>> +				required-opps = <&rpmhpd_opp_svs>;
>> +			};
>> +
>> +			opp-128000000 {
>> +				opp-hz = /bits/ 64 <128000000>;
>> +				required-opps = <&rpmhpd_opp_nom>;
>> +			};
>> +		};
>> +
>>   		qupv3_id_0: geniqup@...000 {
>>   			compatible = "qcom,geni-se-qup";
>>   			reg = <0 0x008c0000 0 0x6000>;
> 
> 
> no entries for i2c0?

I have actually wrongly added them for some i2c instances, I need to drop all of them.
geni i2c does not support dvfs, it just uses a fixed clock.

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