tegrakernel/kernel/kernel-4.9/drivers/base/regmap/Kconfig

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# Generic register map support. There are no user servicable options here,
# this is an API intended to be used by other kernel subsystems. These
# subsystems should select the appropriate symbols.
config REGMAP
default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ)
select LZO_COMPRESS
select LZO_DECOMPRESS
select IRQ_DOMAIN if REGMAP_IRQ
bool
config REGMAP_AC97
bool
config REGMAP_I2C
bool
depends on I2C
config REGMAP_SPI
bool
depends on SPI
config REGMAP_SPMI
bool
depends on SPMI
config REGMAP_MMIO
bool
config REGMAP_IRQ
bool