Thread (20 messages) 20 messages, 3 authors, 2026-03-23
STALE100d

[PATCH RFC 3/8] dt-bindings: soc: samsung: exynos-pmu: add samsung,pmu-intr-gen phandle

From: Alexey Klimov <alexey.klimov@linaro.org>
Date: 2026-02-26 15:47:14
Also in: linux-devicetree, linux-samsung-soc, lkml
Subsystem: arm/samsung s3c, s5p and exynos arm architectures, open firmware and flattened device tree bindings, the rest · Maintainers: Krzysztof Kozlowski, Peter Griffin, Rob Herring, Conor Dooley, Linus Torvalds

Some Exynos-based SoCs, for instance Exynos850, require access
to the pmu interrupt generation register region which is exposed
as a syscon. Update the exynos-pmu bindings documentation to
reflect this.

Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
---
 .../devicetree/bindings/soc/samsung/exynos-pmu.yaml    | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
index 76ce7e98c10f..92acdfd5d44e 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
@@ -110,6 +110,11 @@ properties:
     description:
       Node for reboot method
 
+  samsung,pmu-intr-gen-syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to PMU interrupt generation interface.
+
   google,pmu-intr-gen-syscon:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
@@ -189,6 +194,19 @@ allOf:
       properties:
         google,pmu-intr-gen-syscon: false
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynos850-pmu
+    then:
+      required:
+        - samsung,pmu-intr-gen-syscon
+    else:
+      properties:
+        samsung,pmu-intr-gen-syscon: false
+
 examples:
   - |
     #include <dt-bindings/clock/exynos5250.h>
-- 
2.51.0

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