linux-kernel - [PATCH] arm64: dts: ti: Enable overlays for all DTB files

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Message-ID: <20250702145314.71996-1-afd@ti.com>
Date: Wed, 2 Jul 2025 09:53:14 -0500
From: Andrew Davis <afd@...com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Nishanth Menon <nm@...com>,
        Vignesh
 Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>
CC: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Andrew Davis <afd@...com>
Subject: [PATCH] arm64: dts: ti: Enable overlays for all DTB files

Allow overlays to be applied to any DTB without manually enabling it
for each file. This adds around ~10% to the total size of the DTB files
on average.

Signed-off-by: Andrew Davis <afd@...com>
---

Note that Broadcom's DTS already do this, so there is precedent for this.
And we do this unconditionally in our Yocto Distros[0] already, this just
moves this so everyone gets overlay support for all boards.

[0] https://git.yoctoproject.org/meta-ti/tree/meta-ti-bsp/recipes-kernel/linux/ti-kernel.inc#n5

 arch/arm64/boot/dts/ti/Makefile | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 743e7b945af3b..93fb2c5c3bbda 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -348,24 +348,4 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
 	k3-j784s4-evm-usxgmii-exp1-exp2.dtb
 
 # Enable support for device-tree overlays
-DTC_FLAGS_k3-am625-beagleplay += -@
-DTC_FLAGS_k3-am625-phyboard-lyra-rdk += -@
-DTC_FLAGS_k3-am62a7-phyboard-lyra-rdk += -@
-DTC_FLAGS_k3-am625-sk += -@
-DTC_FLAGS_k3-am62-lp-sk += -@
-DTC_FLAGS_k3-am62a7-sk += -@
-DTC_FLAGS_k3-am62p5-sk += -@
-DTC_FLAGS_k3-am642-evm += -@
-DTC_FLAGS_k3-am642-phyboard-electra-rdk += -@
-DTC_FLAGS_k3-am642-tqma64xxl-mbax4xxl += -@
-DTC_FLAGS_k3-am6548-iot2050-advanced-m2 += -@
-DTC_FLAGS_k3-am68-sk-base-board += -@
-DTC_FLAGS_k3-am69-sk += -@
-DTC_FLAGS_k3-j7200-common-proc-board += -@
-DTC_FLAGS_k3-j721e-common-proc-board += -@
-DTC_FLAGS_k3-j721e-evm-pcie0-ep += -@
-DTC_FLAGS_k3-j721e-sk += -@
-DTC_FLAGS_k3-j721s2-common-proc-board += -@
-DTC_FLAGS_k3-j722s-evm += -@
-DTC_FLAGS_k3-j784s4-evm += -@
-DTC_FLAGS_k3-j742s2-evm += -@
+DTC_FLAGS := -@
-- 
2.39.2