linux-kernel - [PATCH v6] dt-bindings: firmware: arm,scmi: allow multiple instances

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Message-ID: <20250730-8255-scmi-v6-1-a7d8ba19aded@quicinc.com>
Date: Wed, 30 Jul 2025 14:30:00 -0700
From: Deepti Jaggi <quic_djaggi@...cinc.com>
To: Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi
	<cristian.marussi@....com>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <arm-scmi@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel@....qualcomm.com>, Nikunj Kela <quic_nkela@...cinc.com>,
        "Krzysztof
 Kozlowski" <krzysztof.kozlowski@...aro.org>,
        Deepti Jaggi
	<quic_djaggi@...cinc.com>
Subject: [PATCH v6] dt-bindings: firmware: arm,scmi: allow multiple
 instances

From: Nikunj Kela <quic_nkela@...cinc.com>

Allow multiple SCMI instances by extending the scmi node name to include
an instance number suffix.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Cristian Marussi <cristian.marussi@....com>
Signed-off-by: Nikunj Kela <quic_nkela@...cinc.com>
Signed-off-by: Deepti Jaggi <quic_djaggi@...cinc.com>
---
Changes in v6:
        - Dropped 'this change' from description
	- Link to v5: https://lore.kernel.org/all/20250423005824.3993256-1-quic_djaggi@quicinc.com

Changes in v5:
        - Added Reviewed-by tag
	- Link to v4: https://lore.kernel.org/all/20240910163456.2383372-1-quic_nkela@quicinc.com

Changes in v4:
        - Dropped 'virtual' from subject and description
	- Link to v3: https://lore.kernel.org/all/20240905201217.3815113-1-quic_nkela@quicinc.com

Changes in v3:
        - Added Reviewed-by tag
        - Removed the patch from original series[1]

Changes in v2:
        - Fixed scmi nodename pattern

[1]: https://lore.kernel.org/all/20240903220240.2594102-1-quic_nkela@quicinc.com/
---
 Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
index abbd62f1fed0993ab98fa44bdb9a0575f8e1c78e..be817fd9cc34b14009a3b1d69e78b802215571b6 100644
--- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
+++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
@@ -27,7 +27,7 @@ anyOf:
 
 properties:
   $nodename:
-    const: scmi
+    pattern: '^scmi(-[0-9]+)?$'
 
   compatible:
     oneOf:

---
base-commit: 0b90c3b6d76ea512dc3dac8fb30215e175b0019a
change-id: 20250728-8255-scmi-ed963ef8f155

Best regards,
-- 
Deepti Jaggi <quic_djaggi@...cinc.com>