linux-kernel - [PATCH v4 03/17] dt-bindings: fsi: Document the IBM SCOM engine

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Date: Mon, 29 Apr 2024 16:01:17 -0500
From: Eddie James <eajames@...ux.ibm.com>
To: linux-aspeed@...ts.ozlabs.org
Cc: eajames@...ux.ibm.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-fsi@...ts.ozlabs.org,
        linux-spi@...r.kernel.org, linux-i2c@...r.kernel.org,
        lakshmiy@...ibm.com, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, joel@....id.au, andrew@...econstruct.com.au,
        andi.shyti@...nel.org
Subject: [PATCH v4 03/17] dt-bindings: fsi: Document the IBM SCOM engine

The SCOM engine provides an interface to the POWER processor PIB
(Pervasive Interconnect Bus).

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
Changes since v3:
 - Change name to ibm,p9-scom from ibm,fsi2pib to be more specific.

 .../devicetree/bindings/fsi/ibm,p9-scom.yaml  | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/fsi/ibm,p9-scom.yaml

diff --git a/Documentation/devicetree/bindings/fsi/ibm,p9-scom.yaml b/Documentation/devicetree/bindings/fsi/ibm,p9-scom.yaml
new file mode 100644
index 000000000000..8cd14a70bedf
--- /dev/null
+++ b/Documentation/devicetree/bindings/fsi/ibm,p9-scom.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fsi/ibm,p9-scom.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IBM FSI-attached SCOM engine
+
+maintainers:
+  - Eddie James <eajames@...ux.ibm.com>
+
+description:
+  The SCOM engine is an interface to the POWER processor PIB (Pervasive
+  Interconnect Bus). This node will always be a child of an FSI CFAM node.
+
+properties:
+  compatible:
+    enum:
+      - ibm,p9-scom
+      - ibm,i2cr-scom
+
+  reg:
+    items:
+      - description: FSI slave address
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    scom@...0 {
+        compatible = "ibm,p9-scom";
+        reg = <0x1000 0x400>;
+    };
-- 
2.39.3