/usr/src/linux-headers-5.15.0-181/drivers/hsi/controllers
Edit: /usr/src/linux-headers-5.15.0-181/drivers/hsi/controllers/Kconfig (447B)
# SPDX-License-Identifier: GPL-2.0-only
#
# HSI controllers configuration
#
comment "HSI controllers"
config OMAP_SSI
tristate "OMAP SSI hardware driver"
depends on HSI && OF && ARM && COMMON_CLK
depends on ARCH_OMAP3 || COMPILE_TEST
help
SSI is a legacy version of HSI. It is usually used to connect
an application engine with a cellular modem.
If you say Y here, you will enable the OMAP SSI hardware driver.
If unsure, say N.