You cannot configure the port as a trunk, but you can create subinterfaces and add an encap dot1q to them for the vlan numbers. Here is an example of a non-root bridge. I only pasted the applicable commands. Root would have station-role non-root bridge changed to station-role root bridge
John
dot11 vlan-name VLAN01 vlan 1
dot11 vlan-name VLAN04 vlan 4
!
dot11 ssid V01
vlan 1
authentication open
authentication key-management wpa
wpa-psk ascii 7 XXXXXYYYY
!
dot11 ssid V04
vlan 4
authentication open
authentication key-management wpa
wpa-psk ascii 7 XXXXXYYYY
!
!
!
bridge irb
!
!
interface Dot11Radio0
no ip address
no ip route-cache
!
encryption vlan 1 mode ciphers tkip
!
encryption vlan 4 mode ciphers tkip
!
ssid V01
!
ssid V04
!
speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0
station-role non-root bridge
cca 75
concatenation
infrastructure-client
!
interface Dot11Radio0.1
encapsulation dot1Q 1 native
no ip route-cache
bridge-group 1
bridge-group 1 spanning-disabled
!
interface Dot11Radio0.4
encapsulation dot1Q 4
no ip route-cache
bridge-group 4
bridge-group 4 spanning-disabled
!
interface FastEthernet0
no ip address
no ip route-cache
full-duplex
!
interface FastEthernet0.1
encapsulation dot1Q 1 native
no ip route-cache
bridge-group 1
bridge-group 1 spanning-disabled
!
interface FastEthernet0.4
encapsulation dot1Q 4
no ip route-cache
bridge-group 4
bridge-group 4 spanning-disabled
!
interface BVI1
ip address 10.0.0.2 255.255.255.240
no ip route-cache
!