linux-kernel - [PATCH v3 1/2] dt-bindings: fpga: Convert bridge binding to yaml

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Message-ID: <14558a4dcfab5255c1683015287e9c7f48b1afc2.1704807147.git.michal.simek@amd.com>
Date: Tue, 9 Jan 2024 14:32:38 +0100
From: Michal Simek <michal.simek@....com>
To: <linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
	<michal.simek@...inx.com>, <git@...inx.com>
CC: Xu Yilun <yilun.xu@...el.com>, Krzysztof Kozlowski
	<krzysztof.kozlowski@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Moritz Fischer
	<mdf@...nel.org>, Rob Herring <robh+dt@...nel.org>, Tom Rix
	<trix@...hat.com>, Wu Hao <hao.wu@...el.com>, "open list:OPEN FIRMWARE AND
 FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>, kishore Manne
	<nava.kishore.manne@....com>, "open list:FPGA MANAGER FRAMEWORK"
	<linux-fpga@...r.kernel.org>
Subject: [PATCH v3 1/2] dt-bindings: fpga: Convert bridge binding to yaml

Convert the generic fpga bridge DT binding to json-schema.

Signed-off-by: Michal Simek <michal.simek@....com>
Reviewed-by: Xu Yilun <yilun.xu@...el.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---

Changes in v3:
- Improve regex to cover also nodes out of bus

Keeping Krzysztof's tag which I got in v1. Feel free to reject if you
see any issue there.

---
 .../devicetree/bindings/fpga/fpga-bridge.txt  | 13 --------
 .../devicetree/bindings/fpga/fpga-bridge.yaml | 30 +++++++++++++++++++
 .../bindings/fpga/xlnx,pr-decoupler.yaml      |  5 +++-
 3 files changed, 34 insertions(+), 14 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/fpga/fpga-bridge.txt
 create mode 100644 Documentation/devicetree/bindings/fpga/fpga-bridge.yaml

diff --git a/Documentation/devicetree/bindings/fpga/fpga-bridge.txt b/Documentation/devicetree/bindings/fpga/fpga-bridge.txt
deleted file mode 100644
index 72e06917288a..000000000000
--- a/Documentation/devicetree/bindings/fpga/fpga-bridge.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-FPGA Bridge Device Tree Binding
-
-Optional properties:
-- bridge-enable		: 0 if driver should disable bridge at startup
-			  1 if driver should enable bridge at startup
-			  Default is to leave bridge in current state.
-
-Example:
-	fpga_bridge3: fpga-bridge@...25080 {
-		compatible = "altr,socfpga-fpga2sdram-bridge";
-		reg = <0xffc25080 0x4>;
-		bridge-enable = <0>;
-	};
diff --git a/Documentation/devicetree/bindings/fpga/fpga-bridge.yaml b/Documentation/devicetree/bindings/fpga/fpga-bridge.yaml
new file mode 100644
index 000000000000..1ccb2aa18726
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/fpga-bridge.yaml
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fpga/fpga-bridge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: FPGA Bridge
+
+maintainers:
+  - Michal Simek <michal.simek@....com>
+
+properties:
+  $nodename:
+    pattern: "^fpga-bridge(@.*|-([0-9]|[1-9][0-9]+))?$"
+
+  bridge-enable:
+    description: |
+      0 if driver should disable bridge at startup
+      1 if driver should enable bridge at startup
+      Default is to leave bridge in current state.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1 ]
+
+additionalProperties: true
+
+examples:
+  - |
+    fpga-bridge {
+        bridge-enable = <0>;
+    };
diff --git a/Documentation/devicetree/bindings/fpga/xlnx,pr-decoupler.yaml b/Documentation/devicetree/bindings/fpga/xlnx,pr-decoupler.yaml
index a7d4b8e59e19..5bf731f9d99a 100644
--- a/Documentation/devicetree/bindings/fpga/xlnx,pr-decoupler.yaml
+++ b/Documentation/devicetree/bindings/fpga/xlnx,pr-decoupler.yaml
@@ -9,6 +9,9 @@ title: Xilinx LogiCORE Partial Reconfig Decoupler/AXI shutdown manager Softcore
 maintainers:
   - Nava kishore Manne <nava.kishore.manne@....com>
 
+allOf:
+  - $ref: fpga-bridge.yaml#
+
 description: |
   The Xilinx LogiCORE Partial Reconfig(PR) Decoupler manages one or more
   decouplers/fpga bridges. The controller can decouple/disable the bridges
@@ -51,7 +54,7 @@ required:
   - clocks
   - clock-names
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
-- 
2.36.1