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ARM: dts: allwinner: enable overlay support for sun8i-h2-plus pi boards

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Add DTC_FLAGS -@ for all H2+ pi-class devices to enable device-tree
overlay support. This follows the same approach used for H3 pi boards
in commit 0801a3a9f3 ("arm: dts: Enable
device-tree overlay support for sun8i-h3 pi devices").

The -@ flag populates the __symbols__ node in the DTB which is required
for applying device-tree overlays from the bootloader or firmware.

Boards affected:
- sun8i-h2-plus-bananapi-m2-zero
- sun8i-h2-plus-libretech-all-h3-cc
- sun8i-h2-plus-orangepi-r1

Signed-off-by: Nisarg Rajput <rajputnisarg17@outlook.com>
Link: https://patch.msgid.link/BESPR10MB9223FFB989C825881E02F0CAD2122@BESPR10MB9223.EURPRD10.PROD.OUTLOOK.COM
[wens@kernel.org: Move statements into common overlay block]
[wens@kernel.org: Drop sun8i-h2-plus-orangepi-zero from commit message]
[wens@kernel.org: Change "arm" in subject to "ARM"]
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
This commit is contained in:
Nisarg Rajput 2026-06-02 03:38:08 +00:00 committed by Chen-Yu Tsai
parent 8a5c37efce
commit a858dab480
1 changed files with 3 additions and 0 deletions
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3
arch/arm/boot/dts/allwinner/Makefile
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@ -182,6 +182,9 @@ dtb-$(CONFIG_MACH_SUN7I) += \
sun7i-a20-wits-pro-a20-dkt.dtb
# Enables support for device-tree overlays for all pis
DTC_FLAGS_sun8i-h2-plus-bananapi-m2-zero := -@
DTC_FLAGS_sun8i-h2-plus-libretech-all-h3-cc := -@
DTC_FLAGS_sun8i-h2-plus-orangepi-r1 := -@
DTC_FLAGS_sun8i-h2-plus-orangepi-zero := -@
DTC_FLAGS_sun8i-h3-orangepi-lite := -@
DTC_FLAGS_sun8i-h3-bananapi-m2-plus := -@