Linux v5.1.3 - spmi
# SPMI driver configuration
tristate "SPMI support"
SPMI (System Power Management Interface) is a two-wire
serial interface between baseband and application processors
and Power Management Integrated Circuits (PMIC).
tristate "Qualcomm MSM SPMI Controller (PMIC Arbiter)"
depends on ARCH_QCOM || COMPILE_TEST
depends on HAS_IOMEM
If you say yes to this option, support will be included for the
built-in SPMI PMIC Arbiter interface on Qualcomm MSM family
This is required for communicating with Qualcomm PMICs and
other devices that have the SPMI interface.