linux-kernel - [PATCH v2 1/3] dt-bindings: bus: add stm32mp21 RIFSC compatible

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Message-ID: <20251106-rifsc_debugfs-v2-1-f90e94ae756d@foss.st.com>
Date: Thu, 6 Nov 2025 10:31:48 +0100
From: Gatien Chevallier <gatien.chevallier@...s.st.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin
	<mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Gatien Chevallier <gatien.chevallier@...s.st.com>,
        Conor Dooley
	<conor.dooley@...rochip.com>
Subject: [PATCH v2 1/3] dt-bindings: bus: add stm32mp21 RIFSC compatible

The STM32MP21x platforms have a slightly different RIFSC. While its
core functionalities are similar, the wiring is not the same. Hence,
declare a new compatible.

Signed-off-by: Gatien Chevallier <gatien.chevallier@...s.st.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
---
 Documentation/devicetree/bindings/bus/st,stm32mp25-rifsc.yaml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/bus/st,stm32mp25-rifsc.yaml b/Documentation/devicetree/bindings/bus/st,stm32mp25-rifsc.yaml
index 20acd1a6b173..3952c99cac6b 100644
--- a/Documentation/devicetree/bindings/bus/st,stm32mp25-rifsc.yaml
+++ b/Documentation/devicetree/bindings/bus/st,stm32mp25-rifsc.yaml
@@ -33,14 +33,18 @@ select:
   properties:
     compatible:
       contains:
-        const: st,stm32mp25-rifsc
+        enum:
+          - st,stm32mp21-rifsc
+          - st,stm32mp25-rifsc
   required:
     - compatible
 
 properties:
   compatible:
     items:
-      - const: st,stm32mp25-rifsc
+      - enum:
+          - st,stm32mp21-rifsc
+          - st,stm32mp25-rifsc
       - const: simple-bus
 
   reg:

-- 
2.43.0