[PATCH v2 1/3] dt-bindings: timestamp: Add Tegra264 support

Suneel Garapati <[email protected]> Wed, 8 Apr 2026 21:24:11 +0000
Newsgroups dev.linux.lists.timestamp,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-tegra
Message-ID <[email protected]>
Add timestamp provider support for the Tegra264 in devicetree
bindings. Tegra264 has two generic timestamping engines (GTE)
which are the always-on GTE (AON) and legacy interrupt
controller (LIC) GTE.
'nvidia,slices' property is deprecated and hence not allowed for
Tegra264.

Signed-off-by: Suneel Garapati <[email protected]>
---
v1:
  - nvidia,slices property is deprecated and hence false for Tegra264

---
 .../bindings/timestamp/nvidia,tegra194-hte.yaml    | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml b/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml
index 456797967adc..a96d6cd23895 100644
--- a/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml
+++ b/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml
@@ -25,6 +25,8 @@ properties:
       - nvidia,tegra194-gte-lic
       - nvidia,tegra234-gte-aon
       - nvidia,tegra234-gte-lic
+      - nvidia,tegra264-gte-aon
+      - nvidia,tegra264-gte-lic
 
   reg:
     maxItems: 1
@@ -112,10 +114,22 @@ allOf:
           contains:
             enum:
               - nvidia,tegra234-gte-aon
+              - nvidia,tegra264-gte-aon
     then:
       required:
         - nvidia,gpio-controller
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - nvidia,tegra264-gte-aon
+              - nvidia,tegra264-gte-lic
+    then:
+      properties:
+        nvidia,slices: false
+
 additionalProperties: false
 
 examples:
-- 
2.34.1