raspi-device-tree-1

# --> add device trees

RPI_LINUX_KERNEL_REPO ?= "git://github.com/raspberrypi/linux.git"
RPI_LINUX_KERNEL_BRANCH ?= "rpi-5.8.y"
# it looks like arch/arm64 are just symlinks to arch/arm
RPI_LINUX_KERNEL_ARM_32_SUBPATH ?= "arch/arm"
RPI_LINUX_KERNEL_ARM_64_SUBPATH ?= "arch/arm64"
#RPI_LINUX_KERNEL_OVERLAYS_SUBPATH ?= "arch/arm/boot/dts/overlays"
#SRCREV = "ebc7c46eea5999e72dacdef07b2b2dd5c8517153"
SRCREV_arm32dts = "ebc7c46eea5999e72dacdef07b2b2dd5c8517153"
SRCREV_arm64dts = "ebc7c46eea5999e72dacdef07b2b2dd5c8517153"
#SRCREV_rpidevicetreeoverlays = "ebc7c46eea5999e72dacdef07b2b2dd5c8517153"

#git://github.com/raspberrypi/linux.git;branch=${LINUX_RPI_BRANCH}

# device tree sources for the various machines
#COMPATIBLE_MACHINE_raspberrypi4-64 = ".*"

SRC_URI += "${RPI_LINUX_KERNEL_REPO};branch=${RPI_LINUX_KERNEL_BRANCH};subpath=${RPI_LINUX_KERNEL_ARM_32_SUBPATH};name=arm32dts"
SRC_URI += "${RPI_LINUX_KERNEL_REPO};branch=${RPI_LINUX_KERNEL_BRANCH};subpath=${RPI_LINUX_KERNEL_ARM_64_SUBPATH};name=arm64dts"

#SRC_URI += "${RPI_LINUX_KERNEL_REPO};branch=${RPI_LINUX_KERNEL_BRANCH};subpath=${RPI_LINUX_KERNEL_OVERLAYS_SUBPATH};name=rpidevicetreeoverlays"

SRC_URI += "file://1000-dtbo-support.patch"

DEPENDS += "rsync-native git-native"

do_configure_prepend() {
        bbwarn "--> S: ${S} <--"
        bbwarn "--> WORKDIR: ${WORKDIR}"
        #rsync -avp ${WORKDIR}/arm/boot/dts/overlays ${S}/arch/arm/boot/dts/
        #rsync -avp ${WORKDIR}/arm64/boot/dts/overlays ${S}/arch/arm64/boot/dts/
        # @@@TODO: this is a hack - only copy what's required
        rsync -avp ${WORKDIR}/arm/boot/dts/ ${S}/arch/arm/boot/dts/
        rsync -avp ${WORKDIR}/arm64/boot/dts/ ${S}/arch/arm64/boot/dts/
        HERE=$(pwd)
        cd ${S}
        git checkout arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b.dts
        git checkout arch/arm/boot/dts/bcm2711-rpi-4-b.dts
        git checkout arch/arm/boot/dts/bcm2711.dtsi
        git checkout arch/arm/boot/dts/bcm2835-rpi.dtsi
        git checkout arch/arm/boot/dts/bcm283x.dtsi
        cd ${HERE}
        # we need those Makefiles I guess (or parts of them)
        #cp ${WORKDIR}/arm/boot/dts/Makefile ${S}/arch/arm/boot/dts/
        #cp ${WORKDIR}/arm64/boot/dts/Makefile ${S}/arch/arm64/boot/dts/
        #cp ${WORKDIR}/arm64/boot/dts/broadcom/Makefile ${S}/arch/arm64/boot/dts/broadcom/
        #cp -r ${WORKDIR}/arm/dts/overlays ${S}/arch/
        #ln -sf ${WORKDIR}/arm/dts/overlays ${S}/arch/arm64/boot/dts/overlays
        #ln -sf ${WORKDIR}/arm64/dts/broadcom/bcm2711-rpi-4-b.dts ${S}/arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b.dts
}
# <-- add device trees