[PATCH v3 1/2] arm64: dts: qcom: hamoa: Add PSCI SYSTEM_RESET2 types

From: Xin Liu

Date: Tue Sep 01 2026 - 03:57:06 EST


Add support for SYSTEM_RESET2 vendor-specific resets as
reboot-modes in the psci node. Describe the resets: "bootloader"
will cause device to reboot and stop in the bootloader's fastboot
mode. "edl" will cause device to reboot into "emergency download
mode", which permits loading images via the Firehose protocol.

Signed-off-by: Xin Liu <xin.liu@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 7 +++++++
arch/arm64/boot/dts/qcom/hamoa.dtsi | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
index 9fa86bb6438e..5db2f19dc86c 100644
--- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
@@ -1192,6 +1192,13 @@ &pmk8550_pwm {
status = "okay";
};

+&psci {
+ reboot-mode {
+ mode-bootloader = <0x80010001 0x2>;
+ mode-edl = <0x80000000 0x1>;
+ };
+};
+
&sdhc_2 {
cd-gpios = <&tlmm 71 GPIO_ACTIVE_LOW>;

diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
index 8a96ea1bdb9c..a416114ff5fa 100644
--- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
+++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
@@ -374,7 +374,7 @@ pmu {
interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
};

- psci {
+ psci: psci {
compatible = "arm,psci-1.0";
method = "smc";

--
2.34.1