@@ -56,5 +56,13 @@ config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS
and enable BR2_LINUX_KERNEL_DTS_SUPPORT to let the kernel build
the DTB.
+config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS
+ bool "Install DTB overlays"
+ depends on BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS \
+ || BR2_LINUX_KERNEL_DTS_SUPPORT
+ default y
+ help
+ Say 'y' here if you need to load one or more of the DTB overlays,
+ to support HATs (Hardware Attached on Top, add-on modules).
endif # BR2_PACKAGE_RPI_FIRMWARE
@@ -18,6 +18,11 @@ define RPI_FIRMWARE_INSTALL_DTB
$(INSTALL) -D -m 0644 $(@D)/boot/bcm2708-rpi-b.dtb $(BINARIES_DIR)/rpi-firmware/bcm2708-rpi-b.dtb
$(INSTALL) -D -m 0644 $(@D)/boot/bcm2708-rpi-b-plus.dtb $(BINARIES_DIR)/rpi-firmware/bcm2708-rpi-b-plus.dtb
$(INSTALL) -D -m 0644 $(@D)/boot/bcm2709-rpi-2-b.dtb $(BINARIES_DIR)/rpi-firmware/bcm2709-rpi-2-b.dtb
+endef
+endif
+
+ifeq ($(BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS),y)
+define RPI_FIRMWARE_INSTALL_DTB_OVERLAYS
for ovldtb in $(@D)/boot/overlays/*.dtb; do \
$(INSTALL) -D -m 0644 $${ovldtb} $(BINARIES_DIR)/rpi-firmware/overlays/$${ovldtb##*/} || exit 1; \
done
@@ -31,6 +36,7 @@ define RPI_FIRMWARE_INSTALL_IMAGES_CMDS
$(INSTALL) -D -m 0644 package/rpi-firmware/config.txt $(BINARIES_DIR)/rpi-firmware/config.txt
$(INSTALL) -D -m 0644 package/rpi-firmware/cmdline.txt $(BINARIES_DIR)/rpi-firmware/cmdline.txt
$(RPI_FIRMWARE_INSTALL_DTB)
+ $(RPI_FIRMWARE_INSTALL_DTB_OVERLAYS)
endef
# We have no host sources to get, since we already
Currently, Buildroot does not support building the overlays that are bundled in the Linux kernel, so all we can do is install the ones pre-built in rpi-firmware. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Floris Bos <bos@je-eigen-domein.nl> Cc: Pascal de Bruijn <pmjdebruijn@pcode.nl> --- package/rpi-firmware/Config.in | 8 ++++++++ package/rpi-firmware/rpi-firmware.mk | 6 ++++++ 2 files changed, 14 insertions(+)