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Subject[PATCH v6 3/5] dt-bindings: watchdog: add new binding for meson secure watchdog
Date
The binding targets the Meson-A/C series compatible SoCs, in which the
watchdog registers are in secure world.

Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com>
---
.../bindings/watchdog/amlogic,meson-sec-wdt.yaml | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml

diff --git a/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml b/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml
new file mode 100644
index 00000000..8e9d62a
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+# Copyright (c) 2019 Amlogic, Inc
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/power/amlogic,meson-sec-wdt.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson Secure Watchdog Timer
+
+maintainers:
+ - Xingyu Chen <xingyu.chen@amlogic.com>
+
+description: |+
+ Secure Watchdog Timer used in Meson-A/C series Compatible SoCs,
+ and its device node must be the child node of secure-monitor.
+
+properties:
+ compatible:
+ enum:
+ - amlogic,meson-sec-wdt
+
+ timeout-sec:
+ minimum: 1
+ maximum: 65
+ description:
+ Watchdog timeout values (in seconds)
+
+required:
+ - compatible
+
+examples:
+ - |
+ secure-monitor {
+ compatible = "amlogic,meson-gxbb-sm";
+
+ watchdog {
+ compatible = "amlogic,meson-sec-wdt";
+ timeout-sec = <60>;
+ };
+ };
--
2.7.4
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