struct qcom_swrm_port_config { u8 si; u8 off1; u8 off2; u8 bp_mode; + u8 hstart; + u8 hstop; + u8 word_length; + u8 bgp_count;
I couldn't figure out what 'bgp' was and had to search. Not sure how you came up with this abbreviation of "qcom,ports-block-group-count". Adding a comment wouldn't hurt.
+ u8 lane_control;
Are you able to use lane_control != 0 ? I thought we were missing stuff at the bus.c level?