[Nexus 5 Original Android Development] neobuddy89:
See this:

qcom,speed1-pvs0-bin-v0 =
< 0 0 0 >,
< 300000000 775000 72 >,
< 345600000 775000 83 >,
< 422400000 775000 101 >,
< 499200000 780000 120 >,
< 576000000 790000 139 >,
< 652800000 800000 159 >,
< 729600000 810000 180 >,
< 806400000 820000 200 >,
< 883200000 830000 221 >,
< 960000000 840000 242 >,
< 1036800000 850000 264 >,
< 1113600000 865000 287 >,
< 1190400000 875000 308 >,
< 1267200000 890000 333 >,
< 1344000000 900000 356 >,
< 1420800000 915000 380 >,
< 1497600000 925000 404 >,
< 1574400000 940000 430 >,
< 1651200000 955000 456 >,
< 1728000000 970000 482 >,
< 1804800000 985000 510 >,
< 1881600000 1000000 538 >,
< 1958400000 1015000 565 >,
< 2035200000 1030000 596 >,
< 2112000000 1045000 627 >,
< 2188800000 1060000 659 >,
< 2265600000 1075000 691 >,
< 2342400000 1090000 724 >,
< 2419200000 1105000 758 >,
< 2496000000 1120000 792 >,
< 2572800000 1135000 827 >,
< 2649600000 1150000 863 >,
< 2726400000 1165000 900 >,
< 2803200000 1180000 937 >,
< 2880000000 1195000 974 >;

qcom,speed1-pvs1-bin-v0 =
< 0 0 0 >,
< 300000000 775000 72 >,
< 345600000 775000 83 >,
< 422400000 775000 101 >,
< 499200000 775000 120 >,
< 576000000 775000 139 >,
< 652800000 785000 159 >,
< 729600000 795000 180 >,
< 806400000 805000 200 >,
< 883200000 815000 221 >,
< 960000000 825000 242 >,
< 1036800000 835000 264 >,
< 1113600000 850000 287 >,
< 1190400000 860000 308 >,
< 1267200000 870000 333 >,
< 1344000000 885000 356 >,
< 1420800000 895000 380 >,
< 1497600000 905000 404 >,
< 1574400000 920000 430 >,
< 1651200000 935000 456 >,
< 1728000000 950000 482 >,
< 1804800000 965000 510 >,
< 1881600000 980000 538 >,
< 1958400000 995000 565 >,
< 2035200000 1005000 596 >,
< 2112000000 1020000 627 >,
< 2188800000 1035000 659 >,
< 2265600000 1050000 691 >,
< 2342400000 1065000 724 >,
< 2419200000 1080000 758 >,
< 2496000000 1090000 792 >,
< 2572800000 1105000 827 >,
< 2649600000 1120000 863 >,
< 2726400000 1135000 900 >,
< 2803200000 1150000 937 >,
< 2880000000 1165000 974 >;

qcom,speed1-pvs2-bin-v0 =
< 0 0 0 >,
< 300000000 750000 72 >,
< 345600000 750000 83 >,
< 422400000 750000 101 >,
< 499200000 750000 120 >,
< 576000000 760000 139 >,
< 652800000 770000 159 >,
< 729600000 780000 180 >,
< 806400000 790000 200 >,
< 883200000 800000 221 >,
< 960000000 810000 242 >,
< 1036800000 820000 264 >,
< 1113600000 830000 287 >,
< 1190400000 840000 308 >,
< 1267200000 850000 333 >,
< 1344000000 865000 356 >,
< 1420800000 875000 380 >,
< 1497600000 885000 404 >,
< 1574400000 900000 430 >,
< 1651200000 915000 456 >,
< 1728000000 930000 482 >,
< 1804800000 945000 510 >,
< 1881600000 955000 538 >,
< 1958400000 970000 565 >,
< 2035200000 980000 596 >,
< 2112000000 995000 627 >,
< 2188800000 1010000 659 >,
< 2265600000 1025000 691 >,
< 2342400000 1040000 724 >,
< 2419200000 1050000 758 >,
< 2496000000 1065000 792 >,
< 2572800000 1080000 827 >,
< 2649600000 1095000 863 >,
< 2726400000 1100000 900 >,
< 2803200000 1125000 937 >,
< 2880000000 1135000 974 >;

qcom,speed1-pvs3-bin-v0 =
< 0 0 0 >,
< 300000000 750000 72 >,
< 345600000 750000 83 >,
< 422400000 750000 101 >,
< 499200000 750000 120 >,
< 576000000 750000 139 >,
< 652800000 755000 159 >,
< 729600000 765000 180 >,
< 806400000 775000 200 >,
< 883200000 785000 221 >,
< 960000000 795000 242 >,
< 1036800000 805000 264 >,
< 1113600000 815000 287 >,
< 1190400000 825000 308 >,
< 1267200000 835000 333 >,
< 1344000000 850000 356 >,
< 1420800000 860000 380 >,
< 1497600000 870000 404 >,
< 1574400000 885000 430 >,
< 1651200000 900000 456 >,
< 1728000000 910000 482 >,
< 1804800000 925000 510 >,
< 1881600000 935000 538 >,
< 1958400000 945000 565 >,
< 2035200000 960000 596 >,
< 2112000000 970000 627 >,
< 2188800000 985000 659 >,
< 2265600000 1000000 691 >,
< 2342400000 1015000 724 >,
< 2419200000 1025000 758 >,
< 2496000000 1040000 792 >,
< 2572800000 1055000 827 >,
< 2649600000 1065000 863 >,
< 2726400000 1080000 900 >,
< 2803200000 1095000 937 >,
< 2880000000 1100000 974 >;

qcom,speed1-pvs4-bin-v0 =
< 0 0 0 >,
< 300000000 750000 72 >,
< 345600000 750000 83 >,
< 422400000 750000 101 >,
< 499200000 750000 120 >,
< 576000000 750000 139 >,
< 652800000 750000 159 >,
< 729600000 755000 180 >,
< 806400000 765000 200 >,
< 883200000 775000 221 >,
< 960000000 785000 242 >,
< 1036800000 795000 264 >,
< 1113600000 805000 287 >,
< 1190400000 815000 308 >,
< 1267200000 825000 333 >,
< 1344000000 835000 356 >,
< 1420800000 845000 380 >,
< 1497600000 855000 404 >,
< 1574400000 870000 430 >,
< 1651200000 885000 456 >,
< 1728000000 895000 482 >,
< 1804800000 905000 510 >,
< 1881600000 915000 538 >,
< 1958400000 925000 565 >,
< 2035200000 935000 596 >,
< 2112000000 950000 627 >,
< 2188800000 960000 659 >,
< 2265600000 975000 691 >,
< 2342400000 985000 724 >,
< 2419200000 1000000 758 >,
< 2496000000 1015000 792 >,
< 2572800000 1025000 827 >,
< 2649600000 1040000 863 >,
< 2726400000 1055000 900 >,
< 2803200000 1070000 937 >,
< 2880000000 1085000 974 >;

qcom,speed1-pvs5-bin-v0 =
< 0 0 0 >,
< 300000000 725000 72 >,
< 345600000 725000 83 >,
< 422400000 725000 101 >,
< 499200000 725000 120 >,
< 576000000 725000 139 >,
< 652800000 735000 159 >,
< 729600000 745000 180 >,
< 806400000 755000 200 >,
< 883200000 765000 221 >,
< 960000000 775000 242 >,
< 1036800000 785000 264 >,
< 1113600000 795000 287 >,
< 1190400000 805000 308 >,
< 1267200000 815000 333 >,
< 1344000000 825000 356 >,
< 1420800000 835000 380 >,
< 1497600000 845000 404 >,
< 1574400000 855000 430 >,
< 1651200000 865000 456 >,
< 1728000000 875000 482 >,
< 1804800000 885000 510 >,
< 1881600000 895000 538 >,
< 1958400000 905000 565 >,
< 2035200000 915000 596 >,
< 2112000000 930000 627 >,
< 2188800000 940000 659 >,
< 2265600000 950000 691 >,
< 2342400000 960000 724 >,
< 2419200000 975000 758 >,
< 2496000000 985000 792 >,
< 2572800000 1000000 827 >,
< 2649600000 1015000 863 >,
< 2726400000 1030000 900 >,
< 2803200000 1040000 937 >,
< 2880000000 1055000 974 >;

qcom,speed1-pvs6-bin-v0 =
< 0 0 0 >,
< 300000000 725000 72 >,
< 345600000 725000 83 >,
< 422400000 725000 101 >,
< 499200000 725000 120 >,
< 576000000 725000 139 >,
< 652800000 725000 159 >,
< 729600000 735000 180 >,
< 806400000 745000 200 >,
< 883200000 755000 221 >,
< 960000000 765000 242 >,
< 1036800000 775000 264 >,
< 1113600000 785000 287 >,
< 1190400000 795000 308 >,
< 1267200000 805000 333 >,
< 1344000000 815000 356 >,
< 1420800000 825000 380 >,
< 1497600000 835000 404 >,
< 1574400000 845000 430 >,
< 1651200000 850000 456 >,
< 1728000000 860000 482 >,
< 1804800000 870000 510 >,
< 1881600000 880000 538 >,
< 1958400000 890000 565 >,
< 2035200000 895000 596 >,
< 2112000000 905000 627 >,
< 2188800000 915000 659 >,
< 2265600000 925000 691 >,
< 2342400000 940000 724 >,
< 2419200000 955000 758 >,
< 2496000000 965000 792 >,
< 2572800000 975000 827 >,
< 2649600000 985000 863 >,
< 2726400000 1000000 900 >,
< 2803200000 1015000 937 >,
< 2880000000 1025000 974 >;

My voltage structure belongs to

qcom,speed1-pvs1-bin-v0

I can tell this by checking voltage of frequencies 300000000 and 2572800000 and then matching it in the table.

Which group your voltage structure belong?