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Subject[PATCH v3 1/3] dt: psci: Add arm,psci-sys-reset2-vendor-param property
Some implementors of PSCI may wish to use a different reset type than
SYSTEM_WARM_RESET. For instance, Qualcomm SoCs support an alternate
reset_type which may be used in more warm reboot scenarios than
SYSTEM_WARM_RESET permits (e.g. to reboot into recovery mode).

Reviewed-by: Sudeep Holla <>
Signed-off-by: Elliot Berman <>
Documentation/devicetree/bindings/arm/psci.yaml | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml
index 8ef8542..1a9d2dd 100644
--- a/Documentation/devicetree/bindings/arm/psci.yaml
+++ b/Documentation/devicetree/bindings/arm/psci.yaml
@@ -102,6 +102,13 @@ properties:
[1] Kernel documentation - ARM idle states bindings

+ arm,psci-sys-reset2-vendor-param:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Vendor-specific reset type parameter to use for SYSTEM_RESET2 during
+ a warm or soft reboot. If no value is provided, then architectural
+ reset type SYSTEM_WARM_RESET is used.
The number of cells in a PM domain specifier as per binding in [3].
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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