[PATCH v4 1/3] dt-bindings: power: reset: google,gs101-reboot: add Google GS101 specific reset

From: André Draszik
Date: Fri Mar 28 2025 - 11:15:38 EST


GS101 supports a couple different reset types via certain registers in
the SYSCON register map.

Add a binding for this.

Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>
---
.../bindings/power/reset/google,gs101-reboot.yaml | 32 ++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 33 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/reset/google,gs101-reboot.yaml b/Documentation/devicetree/bindings/power/reset/google,gs101-reboot.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..cbd0a1d9b45af0cb994d616c56b96440c43ab971
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/google,gs101-reboot.yaml
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/google,gs101-reboot.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google GS101 syscon-mapped reset
+
+maintainers:
+ - André Draszik <andre.draszik@xxxxxxxxxx>
+
+description:
+ GS101 supports a couple different reset types via certain registers in the
+ SYSCON register map. This map is retrieved from the parental dt-node. So the
+ gs101-reboot node should be represented as a sub-node of such a node.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - const: google,gs101-reboot
+
+ priority:
+ default: 192
+
+required:
+ - compatible
+
+additionalProperties: false
+
+allOf:
+ - $ref: restart-handler.yaml#
diff --git a/MAINTAINERS b/MAINTAINERS
index 322ee00547f6e494a96d2495092f72148da22bd0..e27f5e672bc5a04777afd098355898654654659d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10080,6 +10080,7 @@ L: linux-samsung-soc@xxxxxxxxxxxxxxx
S: Maintained
C: irc://irc.oftc.net/pixel6-kernel-dev
F: Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
+F: Documentation/devicetree/bindings/power/reset/google,gs101-reboot.yaml
F: arch/arm64/boot/dts/exynos/google/
F: drivers/clk/samsung/clk-gs101.c
F: drivers/phy/samsung/phy-gs101-ufs.c

--
2.49.0.472.ge94155a9ec-goog