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arm64: dts: qcom: sc8280xp: Add PS_HOLD restart

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Killing the platform with a single write and no firmware involvement is
pretty cool, add support for it.

Note that due to restart notifier priority settings, PSCI reset will
be used instead, unless:

a) PSCI is not exposed by the firmware (e.g. because the fw was replaced)
or
b) PSCI restart fails for some reason

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240307-topic-8280_nodes-v1-3-4eba20e08902@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Konrad Dybcio 2024-03-07 21:25:56 +01:00 committed by Bjorn Andersson
parent dc6cb3854c
commit 865ff2e6f5
1 changed files with 5 additions and 0 deletions
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arch/arm64/boot/dts/qcom/sc8280xp.dtsi
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@ -4475,6 +4475,11 @@ tsens0: thermal-sensor@c263000 {
#thermal-sensor-cells = <1>; #thermal-sensor-cells = <1>;
}; };
restart@c264000 {
compatible = "qcom,pshold";
reg = <0 0x0c264000 0 0x4>;
};
tsens1: thermal-sensor@c265000 { tsens1: thermal-sensor@c265000 {
compatible = "qcom,sc8280xp-tsens", "qcom,tsens-v2"; compatible = "qcom,sc8280xp-tsens", "qcom,tsens-v2";
reg = <0 0x0c265000 0 0x1ff>, /* TM */ reg = <0 0x0c265000 0 0x1ff>, /* TM */