From: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
Optional regmap property will be used to refer to a syscon-controller
having a reboot tolerant register mapped.
Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Cc: Paul Burton <paulburton@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
---
.../bindings/power/reset/syscon-reboot-mode.yaml | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml
index e09bb07b1abb..f47bf52ad983 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml
@@ -13,9 +13,8 @@ description: |
This driver gets reboot mode magic value from reboot-mode driver
and stores it in a SYSCON mapped register. Then the bootloader
can read it and take different action according to the magic
- value stored. The SYSCON mapped register is retrieved from the
- parental dt-node plus the offset. So the SYSCON reboot-mode node
- should be represented as a sub-node of a "syscon", "simple-mfd" node.
+ value stored. The SYSCON mapped register is retrieved either from
+ the parental dt-node or from a regmap phandle plus the offset.
properties:
compatible:
@@ -29,6 +28,10 @@ properties:
$ref: /schemas/types.yaml#/definitions/uint32
description: Offset in the register map for the mode register (in bytes).
+ regmap:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: Phandle to the register map node.
+
patternProperties:
"^mode-.+":
$ref: /schemas/types.yaml#/definitions/uint32
--
2.25.1
