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This 'reg' is only used to describe an optional memory-mapped debug-messages region. Some controllers may not implement this debug region, so it has no 'reg' and unit address. Therefore, relax the $nodename pattern to allow the unit address to be omitted for such controllers. Keep the unit address mandatory for the existing ti,k2g-sci and ti,am654-sci controllers. Signed-off-by: Beleswar Padhi --- Note: This patch is independent can be applied directly. Cc: Nishanth Menon Cc: Tero Kristo Cc: Santosh Shilimkar Cc: Rob Herring Cc: Krzysztof Kozlowski Cc: Conor Dooley Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org .../devicetree/bindings/arm/keystone/ti,sci.yaml | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml index 25a2b42105e54..67acce8a559a1 100644 --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml @@ -30,7 +30,7 @@ description: | properties: $nodename: - pattern: "^system-controller@[0-9a-f]+$" + pattern: "^system-controller(@[0-9a-f]+)?$" compatible: oneOf: @@ -84,6 +84,19 @@ required: - mbox-names - mboxes +allOf: + - if: + properties: + compatible: + contains: + enum: + - ti,k2g-sci + - ti,am654-sci + then: + properties: + $nodename: + pattern: "^system-controller@[0-9a-f]+$" + additionalProperties: false examples: -- 2.34.1