linux-kernel - [PATCH] dt-bindings: mfd: ti,j721e-system-controller: Add SoC chip ID

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Date:   Mon, 17 Apr 2023 20:00:19 -0500
From:   Nishanth Menon <nm@...com>
To:     Roger Quadros <rogerq@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, Lee Jones <lee@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Nishanth Menon <nm@...com>
Subject: [PATCH] dt-bindings: mfd: ti,j721e-system-controller: Add SoC chip ID

The system-controller node also contains the chip-id node that is used
to identify the SoC specific properties. Add a pattern property to
match to the same, and add to the example.

Signed-off-by: Nishanth Menon <nm@...com>
---
 .../bindings/mfd/ti,j721e-system-controller.yaml      | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
index 76ef4352e13c..0c98d913747b 100644
--- a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
+++ b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
@@ -62,6 +62,12 @@ patternProperties:
     description:
       The phy node corresponding to the ethernet MAC.
 
+  "^chipid@[0-9a-f]+$":
+    type: object
+    $ref: /schemas/hwinfo/ti,k3-socinfo.yaml#
+    description:
+      The node corresponding to SoC chip identification.
+
 required:
   - compatible
   - reg
@@ -99,5 +105,10 @@ examples:
             reg = <0x4140 0x18>;
             #clock-cells = <1>;
         };
+
+        chipid@14 {
+            compatible = "ti,am654-chipid";
+            reg = <0x14 0x4>;
+        };
     };
 ...
-- 
2.40.0