[PATCH 3/4] 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@xxxxxxxxxx>
---
 arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index a3725d917bef..44c8d543eb67 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -4460,6 +4460,11 @@ tsens0: thermal-sensor@c263000 {
 			#thermal-sensor-cells = <1>;
 		};
 
+		restart@c264000 {
+			compatible = "qcom,pshold";
+			reg = <0 0x0c264000 0 0x4>;
+		};
+
 		tsens1: thermal-sensor@c265000 {
 			compatible = "qcom,sc8280xp-tsens", "qcom,tsens-v2";
 			reg = <0 0x0c265000 0 0x1ff>, /* TM */

-- 
2.40.1





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