76 lines
2.5 KiB
Diff
76 lines
2.5 KiB
Diff
From c69b94f5a260dea78f913c70741c034618c5c981 Mon Sep 17 00:00:00 2001
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From: j1nx <p.steenbergen@j1nx.nl>
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Date: Tue, 4 Aug 2020 15:49:45 +0200
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Subject: [PATCH 1/1] Compiling Raspberry Pi Overlays from kernel sources.
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---
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linux/Config.in | 7 +++++++
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linux/linux.mk | 7 +++++++
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package/rpi-firmware/Config.in | 7 +++----
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3 files changed, 17 insertions(+), 4 deletions(-)
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diff --git a/linux/Config.in b/linux/Config.in
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index c19ccb70a8..743b9290aa 100644
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--- a/linux/Config.in
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+++ b/linux/Config.in
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@@ -417,6 +417,13 @@ config BR2_LINUX_KERNEL_DTB_OVERLAY_SUPPORT
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endif
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+config BR2_LINUX_KERNEL_DTS_OVERLAYS_SUPPORT
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+ bool "Build Device Tree Overlays"
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+ depends on BR2_LINUX_KERNEL_DTS_SUPPORT
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+ help
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+ Build in-tree device tree overlays.
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+ Currently supports Raspberry Pi kernels.
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+
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config BR2_LINUX_KERNEL_INSTALL_TARGET
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bool "Install kernel image to /boot in target"
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depends on !BR2_TARGET_ROOTFS_INITRAMFS
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diff --git a/linux/linux.mk b/linux/linux.mk
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index ae1edbeb55..7acd1d9998 100644
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--- a/linux/linux.mk
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+++ b/linux/linux.mk
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@@ -430,6 +430,12 @@ define LINUX_INSTALL_DTB
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endef
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endif # BR2_LINUX_KERNEL_APPENDED_DTB
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endif # BR2_LINUX_KERNEL_DTB_IS_SELF_BUILT
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+ifeq ($(BR2_LINUX_KERNEL_DTS_OVERLAYS_SUPPORT),y)
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+define LINUX_INSTALL_DTB_OVERLAYS
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+ mkdir -p $(1)
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+ cp $(LINUX_ARCH_PATH)/boot/dts/overlays/*.dtbo $(1)
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+endef
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+endif # BR2_LINUX_KERNEL_DTS_OVERLAYS
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endif # BR2_LINUX_KERNEL_DTS_SUPPORT
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ifeq ($(BR2_LINUX_KERNEL_APPENDED_DTB),y)
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@@ -510,6 +516,7 @@ endef
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define LINUX_INSTALL_IMAGES_CMDS
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$(call LINUX_INSTALL_IMAGE,$(BINARIES_DIR))
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$(call LINUX_INSTALL_DTB,$(BINARIES_DIR))
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+ $(call LINUX_INSTALL_DTB_OVERLAYS,$(BINARIES_DIR)/overlays)
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endef
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ifeq ($(BR2_STRIP_strip),y)
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diff --git a/package/rpi-firmware/Config.in b/package/rpi-firmware/Config.in
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index f5a25c5680..066d32168d 100644
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--- a/package/rpi-firmware/Config.in
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+++ b/package/rpi-firmware/Config.in
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@@ -84,10 +84,9 @@ config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS
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config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS
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bool "Install DTB overlays"
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default y
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- depends on BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS \
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- || BR2_LINUX_KERNEL_DTS_SUPPORT
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- select BR2_LINUX_KERNEL_DTB_OVERLAY_SUPPORT \
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- if BR2_LINUX_KERNEL_DTS_SUPPORT
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+ depends on (BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS \
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+ || BR2_LINUX_KERNEL_DTS_SUPPORT) && \
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+ !BR2_LINUX_KERNEL_DTS_OVERLAYS_SUPPORT
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help
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Say 'y' here if you need to load one or more of the DTB
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overlays, to support HATs (Hardware Attached on Top, add-on
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--
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2.20.1
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