Sleep clock not generated from TX2-NX module for PCIE interface

Hi nvidia team,

We are connecting a wifi module to TX2-NX module via PCIE interface.For the module we need sleep clock to be fed as input,CLK_32K_OUT from module is supposed to generate that clock,but when probed it is not coming.I have enabled this pin in the pinmux sheet also.

Do i need to configure this pin in any other part of code to enable CLK_32K_OUT pin?

Please give me some pointers on it.