quantum-espresso/test-suite/not_epw_comp/ph_epw.in

--
&inputph
  prefix   = 'si',
  epsil    = .false.,
  fildyn   = 'si.dyn.xml',
  ldisp    = .true.
  fildvscf = 'dvscf'
  tr2_ph   =  1.0d-16,
  nq1=4,
  nq2=4,
  nq3=4,
 /