linux-kernel - [PATCH v4 04/17] dt-bindings: fsi: p9-occ: Convert to json-schema

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Message-Id: <20240429210131.373487-5-eajames@linux.ibm.com>
Date: Mon, 29 Apr 2024 16:01:18 -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 04/17] dt-bindings: fsi: p9-occ: Convert to json-schema

Conver to json-schema for the OCC documentation. Also document the fact
that the OCC "bridge" device will often have the hwmon node as a
child.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
Changes since v3:
 - Move required below other properties
 - Drop "occ-" in child node
 - Drop hwmon unit address
 - Complete example
 - Change commit message to match similar commits

 .../devicetree/bindings/fsi/ibm,p9-occ.txt    | 16 --------
 .../devicetree/bindings/fsi/ibm,p9-occ.yaml   | 41 +++++++++++++++++++
 2 files changed, 41 insertions(+), 16 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/fsi/ibm,p9-occ.txt
 create mode 100644 Documentation/devicetree/bindings/fsi/ibm,p9-occ.yaml

diff --git a/Documentation/devicetree/bindings/fsi/ibm,p9-occ.txt b/Documentation/devicetree/bindings/fsi/ibm,p9-occ.txt
deleted file mode 100644
index e73358075a90..000000000000
--- a/Documentation/devicetree/bindings/fsi/ibm,p9-occ.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-Device-tree bindings for FSI-attached POWER9/POWER10 On-Chip Controller (OCC)
------------------------------------------------------------------------------
-
-This is the binding for the P9 or P10 On-Chip Controller accessed over FSI from
-a service processor. See fsi.txt for details on bindings for FSI slave and CFAM
-nodes. The OCC is not an FSI slave device itself, rather it is accessed
-through the SBE FIFO.
-
-Required properties:
- - compatible = "ibm,p9-occ" or "ibm,p10-occ"
-
-Examples:
-
-    occ {
-        compatible = "ibm,p9-occ";
-    };
diff --git a/Documentation/devicetree/bindings/fsi/ibm,p9-occ.yaml b/Documentation/devicetree/bindings/fsi/ibm,p9-occ.yaml
new file mode 100644
index 000000000000..3ab2582cb8a0
--- /dev/null
+++ b/Documentation/devicetree/bindings/fsi/ibm,p9-occ.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fsi/ibm,p9-occ.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IBM FSI-attached On-Chip Controller (OCC)
+
+maintainers:
+  - Eddie James <eajames@...ux.ibm.com>
+
+description:
+  The POWER processor On-Chip Controller (OCC) helps manage power and
+  thermals for the system, accessed through the FSI-attached SBEFIFO
+  from a service processor.
+
+properties:
+  compatible:
+    enum:
+      - ibm,p9-occ
+      - ibm,p10-occ
+
+patternProperties:
+  "^hwmon":
+    type: object
+    $ref: /schemas/hwmon/ibm,occ-hwmon.yaml
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    occ {
+        compatible = "ibm,p9-occ";
+
+        hwmon {
+            compatible = "ibm,p9-occ-hwmon";
+        };
+    };
-- 
2.39.3