Like SA8775P (at [1]), the SM8350, SM8450 & SM8550 platforms uses the SDAM2 nvmem to pass the reboot reason. This simply adds the sdam2 and reboot reason nodes in the pmk8350 and pmk8550 dtsi. Tested with: and triggering the following ABL logs on HDK8450: KeyPress:0, BootReason:2 Fastboot=1, Recovery:0 and KeyPress:0, BootReason:1 Fastboot=0, Recovery:1 [1] https://lore.kernel.org/lkml/20230417145536.414490-1-brgl@xxxxxxxx/T/ Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> --- Neil Armstrong (2): arm64: dts: qcom: pmk8350: add reboot-mode node using sdam_2 nvmem arm64: dts: qcom: pmk8550: add reboot-mode node using sdam_2 nvmem arch/arm64/boot/dts/qcom/pmk8350.dtsi | 23 +++++++++++++++++++++++ arch/arm64/boot/dts/qcom/pmk8550.dtsi | 23 +++++++++++++++++++++++ 2 files changed, 46 insertions(+) --- base-commit: 92e815cf07ed24ee1c51b122f24ffcf2964b4b13 change-id: 20230503-topic-sm8450-upstream-reboot-reason-e5fc827bac27 Best regards, -- Neil Armstrong <neil.armstrong@xxxxxxxxxx>