linux-kernel - [PATCH v2] arm64: dts: qcom: hamoa: Add EL2 overlay for hamoa-evk

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Message-ID: <20260127062425.1084673-1-xin.liu@oss.qualcomm.com>
Date: Mon, 26 Jan 2026 22:24:25 -0800
From: Xin Liu <xin.liu@....qualcomm.com>
To: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, tingwei.zhang@....qualcomm.com,
        jie.gan@....qualcomm.com
Subject: [PATCH v2] arm64: dts: qcom: hamoa: Add EL2 overlay for hamoa-evk

Add support for building an EL2 combined DTB for the hamoa-evk
in the Qualcomm DTS Makefile.

The new hamoa-iot-evk-el2.dtb is generated by combining the base
hamoa-iot-evk.dtb with the x1-el2.dtbo overlay, enabling EL2-specific
configurations required by the platform.

Signed-off-by: Xin Liu <xin.liu@....qualcomm.com>
---
Changes in v2:
- Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
  Fix the indentation
- Link to v1: https://lore.kernel.org/lkml/20260125023521.3862114-1-xin.liu@oss.qualcomm.com

 arch/arm64/boot/dts/qcom/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index f80b5d9cf1e8..b10360fc72e6 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -14,6 +14,10 @@ dtb-$(CONFIG_ARCH_QCOM)	+= apq8094-sony-xperia-kitakami-karin_windy.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-ifc6640.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-iot-evk.dtb
+
+hamoa-iot-evk-el2-dtbs	:= hamoa-iot-evk.dtb x1-el2.dtbo
+
+dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-iot-evk-el2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-rdp432-c2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-tplink-archer-ax55-v1.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp441.dtb
-- 
2.43.0