I2C IP, can be directly used, have the relevant normative document explains

Packet : 3971002i2c_p.zip filelist
I2C Controller Reference Design.doc
license.txt
qii/
qii/cmp_state.ini
qii/db/
qii/db/cntr_4q7.tdf
qii/db/cntr_pd8.tdf
qii/db/cntr_re8.tdf
qii/db/i2c(0).cnf.cdb
qii/db/i2c(0).cnf.hdb
qii/db/i2c(1).cnf.cdb
qii/db/i2c(1).cnf.hdb
qii/db/i2c(2).cnf.cdb
qii/db/i2c(2).cnf.hdb
qii/db/i2c(3).cnf.cdb
qii/db/i2c(3).cnf.hdb
qii/db/i2c(4).cnf.cdb
qii/db/i2c(4).cnf.hdb
qii/db/i2c(5).cnf.cdb
qii/db/i2c(5).cnf.hdb
qii/db/i2c(6).cnf.cdb
qii/db/i2c(6).cnf.hdb
qii/db/i2c.(0).cnf.cdb
qii/db/i2c.(0).cnf.hdb
qii/db/i2c.(1).cnf.cdb
qii/db/i2c.(1).cnf.hdb
qii/db/i2c.(2).cnf.cdb
qii/db/i2c.(2).cnf.hdb
qii/db/i2c.(3).cnf.cdb
qii/db/i2c.(3).cnf.hdb
qii/db/i2c.(4).cnf.cdb
qii/db/i2c.(4).cnf.hdb
qii/db/i2c.(5).cnf.cdb
qii/db/i2c.(5).cnf.hdb
qii/db/i2c.(6).cnf.cdb
qii/db/i2c.(6).cnf.hdb
qii/db/i2c.asm.qmsg
qii/db/i2c.cmp.cdb
qii/db/i2c.cmp.ddb
qii/db/i2c.cmp.hdb
qii/db/i2c.cmp.rdb
qii/db/i2c.cmp.tdb
qii/db/i2c.cmp0.ddb
qii/db/i2c.db_info
qii/db/i2c.eco.cdb
qii/db/i2c.eda.qmsg
qii/db/i2c.fit.qmsg
qii/db/i2c.hier_info
qii/db/i2c.hif
qii/db/i2c.icc
qii/db/i2c.map.cdb
qii/db/i2c.map.hdb
qii/db/i2c.map.qmsg
qii/db/i2c.pre_map.cdb
qii/db/i2c.pre_map.hdb
qii/db/i2c.psp
qii/db/i2c.rpp.qmsg
qii/db/i2c.rtlv.hdb
qii/db/i2c.rtlv_sg.cdb
qii/db/i2c.rtlv_sg_swap.cdb
qii/db/i2c.sgate.rvd
qii/db/i2c.sgdiff.cdb
qii/db/i2c.sgdiff.hdb
qii/db/i2c.signalprobe.cdb
qii/db/i2c.sld_design_entry.sci
qii/db/i2c.sld_design_entry_dsc.sci
qii/db/i2c.syn_hier_info
qii/db/i2c.tan.qmsg
qii/db/i2c_cmp.qrpt
qii/db/i2c_hier_info
qii/db/i2c_sim.qrpt
qii/db/i2c_syn_hier_info
qii/i2c.asm.rpt
qii/i2c.done
qii/i2c.eda.rpt
qii/i2c.fit.eqn
qii/i2c.fit.rpt
qii/i2c.fit.summary
qii/i2c.flow.rpt
qii/i2c.map.eqn
qii/i2c.map.rpt
qii/i2c.map.summary
qii/i2c.pin
qii/i2c.pof
qii/i2c.qpf
qii/i2c.qsf
qii/i2c.qws
qii/i2c.sof
qii/i2c.tan.rpt
qii/i2c.tan.summary
qii/i2c_assignment_defaults.qdf
qii/quartus_nativelink_simulation.log
qii/simulation/
qii/simulation/modelsim/
qii/simulation/modelsim/i2c.vo
qii/simulation/modelsim/i2c_modelsim.xrf
qii/simulation/modelsim/i2c_v.sdo
qii/simulation/modelsim/modelsim.ini
qii/simulation/modelsim/modelsim_work/
qii/simulation/modelsim/modelsim_work/0modelsim_work.mgf
qii/simulation/modelsim/modelsim_work/1modelsim_work.mgf
qii/simulation/modelsim/modelsim_work/3modelsim_work.mgf
qii/simulation/modelsim/modelsim_work/4modelsim_work.mgf
qii/simulation/modelsim/modelsim_work/modelsim_work.lib
qii/simulation/modelsim/modelsim_work/vcp.epr
qii/simulation/modelsim/modelsim_work/vcp_cmd.log
qii/simulation/modelsim/vsimsa.cfg
qii/simulation/vcs/
qii/simulation/vcs/i2c.vo
qii/simulation/vcs/i2c_v.sdo
read_me.doc
read_me.txt
soc/
soc/i2c.vhd
soc/i2c.vhd.bak
soc/i2c_control.vhd
soc/shift.vhd
soc/uc_interface.vhd
soc/upcnt4.vhd
testbench/
testbench/micro_master_tb.vhd
testbench/micro_slave_tb.vhd
testbench/micro_tb.vhd
testbench/micro_test.do
testbench/micro_test.vhd
testbench/micro_test_post.do
testbench/micro_test_post.vhd
testbench/pullup.vhd
testbench/upcnt4_tb.vhd
testbench/upcnt4_tb_post.vhd
testbench/wave.do
testbench/wave_post.do
work/
work/i2c/
work/i2c/behave.dat
work/i2c/behave.psm
work/i2c/structure.dat
work/i2c/structure.psm
work/i2c/_primary.dat
work/i2c_control/
work/i2c_control/behave.dat
work/i2c_control/behave.psm
work/i2c_control/_primary.dat
work/micro_master_tb/
work/micro_master_tb/rtl.dat
work/micro_master_tb/rtl.psm
work/micro_master_tb/_primary.dat
work/micro_slave_tb/
work/micro_slave_tb/rtl.dat
work/micro_slave_tb/rtl.psm
work/micro_slave_tb/_primary.dat
work/micro_tb/
work/micro_tb/rtl.dat
work/micro_tb/rtl.psm
work/micro_tb/_primary.dat
work/micro_test/
work/micro_test/archmicro_test.dat
work/micro_test/archmicro_test.psm
work/micro_test/_primary.dat
work/micro_test_post/
work/micro_test_post/archmicro_test_post.dat
work/micro_test_post/archmicro_test_post.psm
work/micro_test_post/_primary.dat
work/pullup/
work/pullup/archpullup.dat
work/pullup/archpullup.psm
work/pullup/_primary.dat
work/roc/
work/roc/roc_v.dat
work/roc/roc_v.psm
work/roc/_primary.dat
work/shift8/
work/shift8/definition.dat
work/shift8/definition.psm
work/shift8/_primary.dat
work/uc_interface/
work/uc_interface/behaviour.dat
work/uc_interface/behaviour.psm
work/uc_interface/_primary.dat
work/upcnt4/
work/upcnt4/definition.dat
work/upcnt4/definition.psm
work/upcnt4/_primary.dat
work/_info

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