[PATCH v5 15/15] devicetree: bindings: Document qcom,pvs

Sricharan R sricharan at codeaurora.org
Tue Dec 19 22:25:33 PST 2017


Hi Viresh,

On 12/20/2017 8:56 AM, Viresh Kumar wrote:
> On 19-12-17, 21:25, Sricharan R wrote:
>> +	cpu at 0 {
>> +		compatible = "qcom,krait";
>> +		enable-method = "qcom,kpss-acc-v1";
>> +		device_type = "cpu";
>> +		reg = <0>;
>> +		qcom,acc = <&acc0>;
>> +		qcom,saw = <&saw0>;
>> +		clocks = <&kraitcc 0>;
>> +		clock-names = "cpu";
>> +		cpu-supply = <&smb208_s2a>;
>> +		operating-points-v2 = <&cpu_opp_table>;
>> +	};
>> +
>> +	qcom,pvs {
>> +		qcom,pvs-format-a;
>> +	};
> 
> Not sure what Rob is going to say on that :)
> 

 Yes. Would be good to know the best way.

>> +
>> +
>> +	cpu_opp_table: opp_table {
>> +		compatible = "operating-points-v2";
>> +
>> +		/*
>> +		 * Missing opp-shared property means CPUs switch DVFS states
>> +		 * independently.
>> +		 */
>> +
>> +		opp-1400000000 {
>> +			opp-hz = /bits/ 64 <1400000000>;
>> +			opp-microvolt-speed0-pvs0-v0 = <1250000>;
> 
> Why speed0 and v0 in all the names ?
> 

 Ya, all the three (speed, pvs and version) are read from efuse. So all the three
 can vary.

Regards,
 Sricharan

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