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Message-Id: <20240514195435.155372-10-eajames@linux.ibm.com>
Date: Tue, 14 May 2024 14:54:35 -0500
From: Eddie James <eajames@...ux.ibm.com>
To: linux-fsi@...ts.ozlabs.org
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
eajames@...ux.ibm.com, krzk+dt@...nel.org, conor+dt@...nel.org,
robh@...nel.org, joel@....id.au, andrew@...econstruct.com.au
Subject: [PATCH v5 9/9] dt-bindings: fsi: Document the FSI Hub Controller
Document the FSI Hub Controller CFAM engine.
Signed-off-by: Eddie James <eajames@...ux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../bindings/fsi/ibm,p9-fsi-controller.yaml | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 Documentation/devicetree/bindings/fsi/ibm,p9-fsi-controller.yaml
diff --git a/Documentation/devicetree/bindings/fsi/ibm,p9-fsi-controller.yaml b/Documentation/devicetree/bindings/fsi/ibm,p9-fsi-controller.yaml
new file mode 100644
index 0000000000000..29ea80ff915ef
--- /dev/null
+++ b/Documentation/devicetree/bindings/fsi/ibm,p9-fsi-controller.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fsi/ibm,p9-fsi-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IBM FSI-attached FSI Hub Controller
+
+maintainers:
+ - Eddie James <eajames@...ux.ibm.com>
+
+description:
+ The FSI Hub Controller is an FSI controller, providing a number of FSI links,
+ located on a CFAM. Therefore this node will always be a child of an FSI CFAM
+ node.
+
+properties:
+ compatible:
+ enum:
+ - ibm,p9-fsi-controller
+
+ reg:
+ items:
+ - description: FSI slave address
+
+allOf:
+ - $ref: fsi-controller.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ fsi@...0 {
+ compatible = "ibm,p9-fsi-controller";
+ reg = <0x3400 0x400>;
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ cfam@0,0 {
+ reg = <0 0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ chip-id = <0>;
+ };
+ };
--
2.39.3
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