Re: [PATCH] arm64: dts: qcom: hamoa: Add PSCI SYSTEM_RESET2 types
From: Konrad Dybcio
Date: Mon Feb 09 2026 - 03:47:16 EST
On 2/9/26 5:27 AM, Xin Liu wrote:
> 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.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> index db65c392e618..2a490e0a8b5d 100644
> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> @@ -450,6 +450,11 @@ system_pd: power-domain-system {
> #power-domain-cells = <0>;
> /* TODO: system-wide idle states */
> };
> +
> + reboot-mode {
> + mode-bootloader = <0x10001 0x2>;
> + mode-edl = <0 0x1>;
> + };
Will this work on any hamoa device, or is this dependent upon the
IoT firmware?
Konrad