diff --git a/sys/arm/allwinner/files.allwinner b/sys/arm/allwinner/files.allwinner
--- a/sys/arm/allwinner/files.allwinner
+++ b/sys/arm/allwinner/files.allwinner
@@ -22,7 +22,7 @@
 arm/allwinner/if_awg.c			optional	awg syscon
 arm/allwinner/if_emac.c			optional	emac
 arm/allwinner/sunxi_dma_if.m		optional	a10_dmac | a31_dmac
-dev/iicbus/twsi/a10_twsi.c		optional	twsi
+dev/iicbus/controller/twsi/a10_twsi.c	optional	twsi
 dev/usb/controller/generic_ohci.c	optional	ohci
 dev/usb/controller/generic_usb_if.m	optional	ohci
 dev/usb/controller/generic_ehci.c	optional	ehci
diff --git a/sys/arm/mv/files.arm7 b/sys/arm/mv/files.arm7
--- a/sys/arm/mv/files.arm7
+++ b/sys/arm/mv/files.arm7
@@ -22,7 +22,7 @@
 arm/mv/armadaxp/armadaxp_mp.c	optional	smp
 arm/mv/armadaxp/mptramp.S	optional	smp
 dev/cesa/cesa.c			optional	cesa
-dev/iicbus/twsi/mv_twsi.c	optional	twsi
+dev/iicbus/controller/twsi/mv_twsi.c	optional	twsi
 dev/mge/if_mge.c		optional	mge
 dev/neta/if_mvneta_fdt.c	optional	neta fdt
 dev/neta/if_mvneta.c		optional	neta mdio mii
diff --git a/sys/conf/files.arm b/sys/conf/files.arm
--- a/sys/conf/files.arm
+++ b/sys/conf/files.arm
@@ -93,7 +93,7 @@
 dev/video/crtc_if.m		optional	vt
 dev/hwpmc/hwpmc_arm.c		optional	hwpmc
 dev/hwpmc/hwpmc_armv7.c		optional	hwpmc
-dev/iicbus/twsi/twsi.c		optional	twsi
+dev/iicbus/controller/twsi/twsi.c	optional	twsi
 dev/ofw/ofw_pcib.c		optional	fdt pci
 dev/pci/pci_host_generic.c	optional	pci_host_generic pci
 dev/pci/pci_host_generic_fdt.c	optional	pci_host_generic pci fdt
diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64
--- a/sys/conf/files.arm64
+++ b/sys/conf/files.arm64
@@ -337,9 +337,9 @@
 	clean		"ice_ddp.fw"
 
 dev/iicbus/sy8106a.c				optional sy8106a fdt
-dev/iicbus/twsi/mv_twsi.c			optional twsi fdt
-dev/iicbus/twsi/a10_twsi.c			optional twsi fdt
-dev/iicbus/twsi/twsi.c				optional twsi fdt
+dev/iicbus/controller/twsi/mv_twsi.c		optional twsi fdt
+dev/iicbus/controller/twsi/a10_twsi.c		optional twsi fdt
+dev/iicbus/controller/twsi/twsi.c		optional twsi fdt
 
 dev/ipmi/ipmi.c					optional ipmi
 dev/ipmi/ipmi_acpi.c				optional ipmi acpi
diff --git a/sys/dev/iicbus/twsi/a10_twsi.c b/sys/dev/iicbus/controller/twsi/a10_twsi.c
rename from sys/dev/iicbus/twsi/a10_twsi.c
rename to sys/dev/iicbus/controller/twsi/a10_twsi.c
--- a/sys/dev/iicbus/twsi/a10_twsi.c
+++ b/sys/dev/iicbus/controller/twsi/a10_twsi.c
@@ -41,7 +41,7 @@
 
 #include <dev/iicbus/iiconf.h>
 #include <dev/iicbus/iicbus.h>
-#include <dev/iicbus/twsi/twsi.h>
+#include <dev/iicbus/controller/twsi/twsi.h>
 #include <dev/ofw/ofw_bus.h>
 #include <dev/ofw/ofw_bus_subr.h>
 
diff --git a/sys/dev/iicbus/twsi/mv_twsi.c b/sys/dev/iicbus/controller/twsi/mv_twsi.c
rename from sys/dev/iicbus/twsi/mv_twsi.c
rename to sys/dev/iicbus/controller/twsi/mv_twsi.c
--- a/sys/dev/iicbus/twsi/mv_twsi.c
+++ b/sys/dev/iicbus/controller/twsi/mv_twsi.c
@@ -63,7 +63,7 @@
 
 #include <arm/mv/mvreg.h>
 #include <arm/mv/mvvar.h>
-#include <dev/iicbus/twsi/twsi.h>
+#include <dev/iicbus/controller/twsi/twsi.h>
 
 #include "iicbus_if.h"
 
diff --git a/sys/dev/iicbus/twsi/twsi.h b/sys/dev/iicbus/controller/twsi/twsi.h
rename from sys/dev/iicbus/twsi/twsi.h
rename to sys/dev/iicbus/controller/twsi/twsi.h
diff --git a/sys/dev/iicbus/twsi/twsi.c b/sys/dev/iicbus/controller/twsi/twsi.c
rename from sys/dev/iicbus/twsi/twsi.c
rename to sys/dev/iicbus/controller/twsi/twsi.c
--- a/sys/dev/iicbus/twsi/twsi.c
+++ b/sys/dev/iicbus/controller/twsi/twsi.c
@@ -56,7 +56,7 @@
 #include <dev/iicbus/iiconf.h>
 #include <dev/iicbus/iicbus.h>
 
-#include <dev/iicbus/twsi/twsi.h>
+#include <dev/iicbus/controller/twsi/twsi.h>
 
 #include "iicbus_if.h"