v4.19.13 snapshot.
diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig
new file mode 100644
index 0000000..6ad5ef4
--- /dev/null
+++ b/drivers/base/regmap/Kconfig
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0
+# 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_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ)
+ select IRQ_DOMAIN if REGMAP_IRQ
+ bool
+
+config REGCACHE_COMPRESSED
+ select LZO_COMPRESS
+ select LZO_DECOMPRESS
+ bool
+
+config REGMAP_AC97
+ tristate
+
+config REGMAP_I2C
+ tristate
+ depends on I2C
+
+config REGMAP_SLIMBUS
+ tristate
+ depends on SLIMBUS
+
+config REGMAP_SPI
+ tristate
+ depends on SPI
+
+config REGMAP_SPMI
+ tristate
+ depends on SPMI
+
+config REGMAP_W1
+ tristate
+ depends on W1
+
+config REGMAP_MMIO
+ tristate
+
+config REGMAP_IRQ
+ bool
+
+config REGMAP_SOUNDWIRE
+ tristate
+ depends on SOUNDWIRE_BUS
+
+config REGMAP_SCCB
+ tristate
+ depends on I2C