Add documentation for the ti,ctx-memory-region property which is a
phandle to a reserved-memory carveout to be used by the ti_sci driver
storage of low power mode memory context. This is optional for normal
system operation but required to enabled suspend-to-mem usage of Deep
Sleep state.
Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx>
---
.../devicetree/bindings/arm/keystone/ti,sci.yaml | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
index 34f5f877d444..ec88aa88a2a0 100644
--- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
+++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
@@ -61,6 +61,15 @@ properties:
mboxes:
minItems: 2
+ ti,ctx-memory-region:
+ description:
+ Phandle to the reserved memory node to be associated with the
+ ti-sci device, to be used for saving low power context. The
+ reserved memory node should be a carveout node, and should
+ be defined as per the bindings in
+ Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml
+ $ref: /schemas/types.yaml#/definitions/string
+
ti,system-reboot-controller:
description: Determines If system reboot can be triggered by SoC reboot
type: boolean
--
2.35.0
