Re: [PATCH v17 09/12] arm64: dts: qcom: qcs6490-rb3gen2: Add PSCI SYSTEM_RESET2 types

Mukesh Ojha
2025-11-10T12:28:50Z

On Sun, Nov 09, 2025 at 08:07:22PM +0530, Shivendra Pratap wrote:
> From: Elliot Berman <elliot.berman@oss.qualcomm.com>
>
> Add support for SYSTEM_RESET2 vendor-specific resets in
> qcs6490-rb3gen2 as reboot-modes. 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.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: Elliot Berman <elliot.berman@oss.qualcomm.com>
> Signed-off-by: Shivendra Pratap <shivendra.pratap@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 721a26d49ccaeb1429e2cc1c3a5c8d9517da3be6..cebdedd5d614b9efb6dfbee91dd67f3c3e322a38 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -935,6 +935,13 @@ &pon_resin {
> status = "okay";
> };
>
> +&psci {
> + reboot-mode {
> + mode-bootloader = <0x10001 0x2>;
> + mode-edl = <0 0x1>;
> + };
> +};
> +

Make sense for this as it leverages sc7280 and adding it there would not
have made sense.

Acked-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>

> &qup_uart7_cts {
> /*
> * Configure a bias-bus-hold on CTS to lower power
>
> --
> 2.34.1
>

--
-Mukesh Ojha