64-bit timestamp mode in ns with PPM and nudge adjustment. Major options of the CPTS module are: – number of a number of exterior clock sources – management of time sync occasions through interrupt or polling – 64-bit timestamp mode in ns with HW PPM and nudge adjustment. To: Richard Cochran, Murali Karicheri, David S. Miller, Rob Herring, Tero Kristo Cc: Lokesh Vutla, netdev, Sekhar Nori, Linux-kernel, device tree, Linux-arm-kernel, Nishanth Menon,