[1/2,v2] dt-bindings: watchdog: marvell octeonTX2 GTI system watchdog driver

Commit Message

Bharat Bhushan April 19, 2023, 12:02 p.m. UTC

Add binding documentation for the Marvell octeonTX2
GTI system watchdog driver.

Signed-off-by: Bharat Bhushan <[e-mail]>
---
v2:
 - compatible changed from marvell-octeontx2-wdt to marvell,octeontx2-wdt
 - corrected type atchdog to watchdog 
 - Replaced hardcoding to use IRQ_TYPE_EDGE_RISING flag

 .../watchdog/marvell,octeontx2-wdt.yaml       | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/marvell,octeontx2-wdt.yaml

Patch

diff --git a/Documentation/devicetree/bindings/watchdog/marvell,octeontx2-wdt.yaml b/Documentation/devicetree/bindings/watchdog/marvell,octeontx2-wdt.yaml
new file mode 100644
index 000000000000..96a979c4082d
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/marvell,octeontx2-wdt.yaml
@@ -0,0 +1,46 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/marvell,octeontx2-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell OcteonTX2 GTI system watchdog
+
+allOf:
+  - $ref: watchdog.yaml#
+
+maintainers:
+  - Bharat Bhushan <[e-mail]>
+
+properties:
+  compatible:
+    const: marvell,octeontx2-wdt
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        watchdog@802000040000 {
+          compatible = "marvell,octeontx2-wdt";
+          reg = <0x00008020 0x00040000 0x00000000 0x00020000>;
+          interrupts = <0 38 IRQ_TYPE_EDGE_RISING>;
+        };
+    };
+
+...