diff --git a/recipes-security/optee/optee-os-tadevkit_%.bbappend b/recipes-security/optee/optee-os-tadevkit_%.bbappend
index 9b160fd6..451e6be5 100644
--- a/recipes-security/optee/optee-os-tadevkit_%.bbappend
+++ b/recipes-security/optee/optee-os-tadevkit_%.bbappend
@@ -1,11 +1,10 @@
 FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
 
-SRC_URI = "git://github.com/linux4sam/optee_os-at91.git;branch=master;protocol=https"
+SRC_URI:sama5d27-som1-ek-optee-sd = "git://github.com/linux4sam/optee_os-at91.git;branch=master;protocol=https"
 
-SRCREV = "9ca99a29b95e7b07c4849d9578dd633a4aed00fb"
+SRCREV:sama5d27-som1-ek-optee-sd = "9ca99a29b95e7b07c4849d9578dd633a4aed00fb"
 
-OPTEEMACHINE = "sam"
+OPTEEMACHINE:sama5d27-som1-ek-optee-sd = "sam"
 
-DEPENDS:append = " dtc-native"
+DEPENDS:append:sama5d27-som1-ek-optee-sd = " dtc-native"
 
-COMPATIBLE_MACHINE = "(sama5d27-som1-ek-optee-sd)"
diff --git a/recipes-security/optee/optee-os_%.bbappend b/recipes-security/optee/optee-os_%.bbappend
index 18dc3574..1b542a8b 100644
--- a/recipes-security/optee/optee-os_%.bbappend
+++ b/recipes-security/optee/optee-os_%.bbappend
@@ -1,21 +1,19 @@
 FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
 
-OPTEEMACHINE = "sam"
+OPTEEMACHINE:sama5d27-som1-ek-optee-sd = "sam"
 
-DEPENDS:append = " dtc-native"
+DEPENDS:append:sama5d27-som1-ek-optee-sd = " dtc-native"
 
-SRC_URI = "git://github.com/linux4sam/optee_os-at91.git;branch=master;protocol=https"
+SRC_URI:sama5d27-som1-ek-optee-sd = "git://github.com/linux4sam/optee_os-at91.git;branch=master;protocol=https"
 
-SRCREV = "9ca99a29b95e7b07c4849d9578dd633a4aed00fb"
+SRCREV:sama5d27-som1-ek-optee-sd = "9ca99a29b95e7b07c4849d9578dd633a4aed00fb"
 
-COMPATIBLE_MACHINE = "(sama5d27-som1-ek-optee-sd)"
+OPTEE_SUFFIX:sama5d27-som1-ek-optee-sd ?= "bin"
+OPTEE_IMAGE:sama5d27-som1-ek-optee-sd ?= "tee-${MACHINE}-${PV}-${PR}.${OPTEE_SUFFIX}"
+OPTEE_BINARY:sama5d27-som1-ek-optee-sd ?= "tee.${OPTEE_SUFFIX}"
+OPTEE_SYMLINK:sama5d27-som1-ek-optee-sd ?= "tee-${MACHINE}.${OPTEE_SUFFIX}"
 
-OPTEE_SUFFIX ?= "bin"
-OPTEE_IMAGE ?= "tee-${MACHINE}-${PV}-${PR}.${OPTEE_SUFFIX}"
-OPTEE_BINARY ?= "tee.${OPTEE_SUFFIX}"
-OPTEE_SYMLINK ?= "tee-${MACHINE}.${OPTEE_SUFFIX}"
-
-do_install:append() {
+do_install:append:sama5d27-som1-ek-optee-sd() {
     #install core in boot
     install -d ${D}/boot
     install -m 644 ${B}/core/*.bin ${B}/core/tee.elf ${D}/boot/
@@ -23,9 +21,7 @@ do_install:append() {
     ln -sf ${OPTEE_IMAGE} ${D}/boot/${OPTEE_BINARY}
 }
 
-PACKAGE_ARCH = "${MACHINE_ARCH}"
-
-do_deploy:append() {
+do_deploy:append:sama5d27-som1-ek-optee-sd() {
     install -d ${DEPLOYDIR}
     install -m 644 ${D}/boot/* ${DEPLOYDIR}/
     install ${B}/core/${OPTEE_BINARY} ${DEPLOYDIR}/${OPTEE_IMAGE}
@@ -36,7 +32,7 @@ do_deploy:append() {
     ln -sf ${OPTEE_IMAGE} ${OPTEE_BINARY}
 }
 
-SYSROOT_DIRS += "/boot/"
+SYSROOT_DIRS:append:sama5d27-som1-ek-optee-sd = " /boot/"
 
 FILES:${PN} += "/boot/"
 FILESPATH =. "${FILE_DIRNAME}/optee-os/${MACHINE}:"