[PATCH 04/25] dt-bindings: power: reset: add Metanoia MT2824 reboot
Benoît Monin
benoit.monin at bootlin.com
Fri Nov 6 01:30:01 PST 2026
Document the Metanoia MT2824 reboot register, which the firmware writes
in machine mode to perform a warm system reboot. OpenSBI has a system
reset driver for it.
Originally-by: Jun Chang <jun.chang at metanoia-comm.com>
Signed-off-by: Benoît Monin <benoit.monin at bootlin.com>
---
.../bindings/power/reset/metanoia,reboot.yaml | 34 ++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml b/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml
new file mode 100644
index 000000000000..2670fe7ab93f
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/metanoia,reboot.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Metanoia MT2824 Reboot Controller
+
+maintainers:
+ - Jun Chang <jun.chang at metanoia-comm.com>
+
+description:
+ The Metanoia MT2824 reboot controller provides a system warm reboot through
+ a memory-mapped register. It is used by the firmware in machine mode.
+
+properties:
+ compatible:
+ const: metanoia,mt2824-reboot
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ reboot: reboot at 10000004 {
+ compatible = "metanoia,mt2824-reboot";
+ reg = <0x10000004 0x8>;
+ };
--
2.56.0
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