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[v2,1/2] dt-bindings: rng: add google,gs101-trng compatible

Message ID 20251024-gs101-trng-v2-1-c2bb81322da4@linaro.org
State New
Headers show
Series hwrng: exynos: enable GS101 TRNG support | expand

Commit Message

Tudor Ambarus Oct. 24, 2025, 5:51 p.m. UTC 
Add support for the TRNG found on GS101. It works well with the current
exynos850 TRNG support.

The TRNG controller can be part of a power domain, allow the relevant
property 'power-domains'.

Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../devicetree/bindings/rng/samsung,exynos5250-trng.yaml    | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)
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Patch

diff --git a/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml
index 1a71935d8a1906591439c03b7678538e656324b6..b85edb47036ae745b863bd8ded500891ea28c723 100644
--- a/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml
+++ b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml
@@ -12,9 +12,13 @@  maintainers:
 
 properties:
   compatible:
-    enum:
-      - samsung,exynos5250-trng
-      - samsung,exynos850-trng
+    oneOf:
+      - enum:
+          - samsung,exynos5250-trng
+          - samsung,exynos850-trng
+      - items:
+          - const: google,gs101-trng
+          - const: samsung,exynos850-trng
 
   clocks:
     minItems: 1
@@ -27,6 +31,9 @@  properties:
   reg:
     maxItems: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - clocks