On 7/20/23 04:29, Nikita Shubin via B4 Relay wrote:
From: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
This adds device tree bindings for the Cirrus Logic EP93xx
watchdog block used in these SoCs.
Signed-off-by: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
---
.../bindings/watchdog/cirrus,ep9301-wdt.yaml | 46 ++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml b/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml
new file mode 100644
index 000000000000..d54595174a12
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/cirrus,ep9301-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP93xx Watchdog Timer
+
+maintainers:
+ - Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
+ - Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
+
+description:
+ Cirrus Logic EP93xx SoC family has it's own watchdog implementation
+
Odd description. Isn't that true for pretty much every devicetree
bindings file, and pretty much every hardware driver ?
+allOf:
+ - $ref: watchdog.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - const: cirrus,ep9301-wdt
+ - items:
+ - enum:
+ - cirrus,ep9302-wdt
+ - cirrus,ep9307-wdt
+ - cirrus,ep9312-wdt
+ - cirrus,ep9315-wdt
+ - const: cirrus,ep9301-wdt
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ watchdog@80940000 {
+ compatible = "cirrus,ep9301-wdt";
+ reg = <0x80940000 0x08>;
+ };
+
