[RFC,v2,1/3] dt: psci: Add arm,psci-sys-reset2-type property
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Message ID 1580497731-9845-2-git-send-email-eberman@codeaurora.org
State Superseded
Headers show
  • ARM PSCI: Add support for vendor-specific SYSTEM_RESET2
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Commit Message

Elliot Berman Jan. 31, 2020, 7:08 p.m. UTC
Some implementors of PSCI may relax the requirements of the PSCI
architectural warm reset. In order to comply with PSCI specification, a
different reset_type value must be used. The alternate PSCI
SYSTEM_RESET2 may be used in all warm/soft reboot scenarios, replacing
the architectural warm reset.

Signed-off-by: Elliot Berman <eberman@codeaurora.org>
 Documentation/devicetree/bindings/arm/psci.yaml | 5 +++++
 1 file changed, 5 insertions(+)

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diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml
index 8ef8542..a790e5a 100644
--- a/Documentation/devicetree/bindings/arm/psci.yaml
+++ b/Documentation/devicetree/bindings/arm/psci.yaml
@@ -102,6 +102,11 @@  properties:
       [1] Kernel documentation - ARM idle states bindings
+  arm,psci-sys-reset2-type:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+        reset_type parameter value to use during a warm or soft reboot.
       The number of cells in a PM domain specifier as per binding in [3].