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

From: Michal Simek
Date: Tue Jan 09 2024 - 08:32:58 EST


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

Signed-off-by: Michal Simek <michal.simek@xxxxxxx>
Reviewed-by: Xu Yilun <yilun.xu@xxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---

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@ffc25080 {
- 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@xxxxxxx>
+
+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@xxxxxxx>

+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