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From: Michal Simek <michal.simek@amd.com>
To: <linux-kernel@vger.kernel.org>, <monstr@monstr.eu>,
	<michal.simek@xilinx.com>, <git@xilinx.com>
CC: Conor Dooley <conor+dt@kernel.org>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@linaro.org>, Moritz Fischer <mdf@kernel.org>, Rob
 Herring <robh+dt@kernel.org>, Tom Rix <trix@redhat.com>, Wu Hao
	<hao.wu@intel.com>, Xu Yilun <yilun.xu@intel.com>, "open list:OPEN FIRMWARE
 AND FLATTENED DEVICE TREE BINDINGS" <devicetree@vger.kernel.org>, "open
 list:FPGA MANAGER FRAMEWORK" <linux-fpga@vger.kernel.org>
Subject: [PATCH 2/2] dt-bindings: fpga: altera: Convert bridge bindings to yaml
Date: Fri, 5 Jan 2024 17:04:31 +0100
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Convert Altera's bridges to yaml with using fpga-bridge.yaml.

Signed-off-by: Michal Simek <michal.simek@amd.com>
---

 .../fpga/altera-fpga2sdram-bridge.txt         | 13 ----
 .../fpga/altera-fpga2sdram-bridge.yaml        | 34 ++++++++++
 .../bindings/fpga/altera-freeze-bridge.txt    | 20 ------
 .../bindings/fpga/altera-freeze-bridge.yaml   | 41 ++++++++++++
 .../bindings/fpga/altera-hps2fpga-bridge.txt  | 36 -----------
 .../bindings/fpga/altera-hps2fpga-bridge.yaml | 63 +++++++++++++++++++
 6 files changed, 138 insertions(+), 69 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
 create mode 100644 Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml
 delete mode 100644 Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
 create mode 100644 Documentation/devicetree/bindings/fpga/altera-freeze-bridge.yaml
 delete mode 100644 Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt
 create mode 100644 Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.yaml

diff --git a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
deleted file mode 100644
index 5dd0ff0f7b4e..000000000000
--- a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-Altera FPGA To SDRAM Bridge Driver
-
-Required properties:
-- compatible		: Should contain "altr,socfpga-fpga2sdram-bridge"
-
-See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
-
-Example:
-	fpga_bridge3: fpga-bridge@ffc25080 {
-		compatible = "altr,socfpga-fpga2sdram-bridge";
-		reg = <0xffc25080 0x4>;
-		bridge-enable = <0>;
-	};
diff --git a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml
new file mode 100644
index 000000000000..a3f3fe2729f2
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fpga/altera-fpga2sdram-bridge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Altera FPGA To SDRAM Bridge
+
+maintainers:
+  - Xu Yilun <yilun.xu@intel.com>
+
+allOf:
+  - $ref: fpga-bridge.yaml#
+
+properties:
+  compatible:
+    const: altr,socfpga-fpga2sdram-bridge
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    fpga-bridge@ffc25080 {
+        compatible = "altr,socfpga-fpga2sdram-bridge";
+        reg = <0xffc25080 0x4>;
+        bridge-enable = <0>;
+    };
diff --git a/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
deleted file mode 100644
index 8b26fbcff3c6..000000000000
--- a/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Altera Freeze Bridge Controller Driver
-
-The Altera Freeze Bridge Controller manages one or more freeze bridges.
-The controller can freeze/disable the bridges which prevents signal
-changes from passing through the bridge.  The controller can also
-unfreeze/enable the bridges which allows traffic to pass through the
-bridge normally.
-
-Required properties:
-- compatible		: Should contain "altr,freeze-bridge-controller"
-- regs			: base address and size for freeze bridge module
-
-See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
-
-Example:
-	freeze-controller@100000450 {
-		compatible = "altr,freeze-bridge-controller";
-		regs = <0x1000 0x10>;
-		bridge-enable = <0>;
-	};
diff --git a/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.yaml b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.yaml
new file mode 100644
index 000000000000..4a89e3980669
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fpga/altera-freeze-bridge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Altera Freeze Bridge Controller
+
+description: |
+  The Altera Freeze Bridge Controller manages one or more freeze bridges.
+  The controller can freeze/disable the bridges which prevents signal
+  changes from passing through the bridge. The controller can also
+  unfreeze/enable the bridges which allows traffic to pass through the bridge
+  normally.
+
+maintainers:
+  - Xu Yilun <yilun.xu@intel.com>
+
+allOf:
+  - $ref: fpga-bridge.yaml#
+
+properties:
+  compatible:
+    const: altr,freeze-bridge-controller
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    fpga-bridge@100000450 {
+        compatible = "altr,freeze-bridge-controller";
+        reg = <0x1000 0x10>;
+        bridge-enable = <0>;
+    };
diff --git a/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt
deleted file mode 100644
index 68cce3945b10..000000000000
--- a/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-Altera FPGA/HPS Bridge Driver
-
-Required properties:
-- regs		: base address and size for AXI bridge module
-- compatible	: Should contain one of:
-		  "altr,socfpga-lwhps2fpga-bridge",
-		  "altr,socfpga-hps2fpga-bridge", or
-		  "altr,socfpga-fpga2hps-bridge"
-- resets	: Phandle and reset specifier for this bridge's reset
-- clocks	: Clocks used by this module.
-
-See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
-
-Example:
-	fpga_bridge0: fpga-bridge@ff400000 {
-		compatible = "altr,socfpga-lwhps2fpga-bridge";
-		reg = <0xff400000 0x100000>;
-		resets = <&rst LWHPS2FPGA_RESET>;
-		clocks = <&l4_main_clk>;
-		bridge-enable = <0>;
-	};
-
-	fpga_bridge1: fpga-bridge@ff500000 {
-		compatible = "altr,socfpga-hps2fpga-bridge";
-		reg = <0xff500000 0x10000>;
-		resets = <&rst HPS2FPGA_RESET>;
-		clocks = <&l4_main_clk>;
-		bridge-enable = <1>;
-	};
-
-	fpga_bridge2: fpga-bridge@ff600000 {
-		compatible = "altr,socfpga-fpga2hps-bridge";
-		reg = <0xff600000 0x100000>;
-		resets = <&rst FPGA2HPS_RESET>;
-		clocks = <&l4_main_clk>;
-	};
diff --git a/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.yaml b/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.yaml
new file mode 100644
index 000000000000..f8210449dfed
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.yaml
@@ -0,0 +1,63 @@
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fpga/altera-hps2fpga-bridge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Altera FPGA/HPS Bridge
+
+maintainers:
+  - Xu Yilun <yilun.xu@intel.com>
+
+allOf:
+  - $ref: fpga-bridge.yaml#
+
+properties:
+  compatible:
+    enum:
+      - altr,socfpga-lwhps2fpga-bridge
+      - altr,socfpga-hps2fpga-bridge
+      - altr,socfpga-fpga2hps-bridge
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - resets
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/reset/altr,rst-mgr.h>
+
+    fpga-bridge@ff400000 {
+      compatible = "altr,socfpga-lwhps2fpga-bridge";
+      reg = <0xff400000 0x100000>;
+      bridge-enable = <0>;
+      clocks = <&l4_main_clk>;
+      resets = <&rst LWHPS2FPGA_RESET>;
+    };
+
+    fpga_bridge1: fpga-bridge@ff500000 {
+      compatible = "altr,socfpga-hps2fpga-bridge";
+      reg = <0xff500000 0x10000>;
+      bridge-enable = <1>;
+      clocks = <&l4_main_clk>;
+      resets = <&rst HPS2FPGA_RESET>;
+    };
+
+    fpga_bridge2: fpga-bridge@ff600000 {
+      compatible = "altr,socfpga-fpga2hps-bridge";
+      reg = <0xff600000 0x100000>;
+      clocks = <&l4_main_clk>;
+      resets = <&rst FPGA2HPS_RESET>;
+    };
-- 
2.36.1