linux-kernel - [PATCH v2] dt-bindings: soc: altera: convert socfpga-system.txt to yaml

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Message-Id: <20231014112905.1512650-1-niravkumar.l.rabara@intel.com>
Date:   Sat, 14 Oct 2023 19:29:05 +0800
From:   niravkumar.l.rabara@...el.com
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Niravkumar L Rabara <niravkumar.l.rabara@...el.com>,
        Dinh Nguyen <dinguyen@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] dt-bindings: soc: altera: convert socfpga-system.txt to yaml

From: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>

Convert socfpga-system.txt to altr,socfpga-sys-mgr.yaml and move to
soc directory.

Add platform names in description for clarity. ARM(32-bit) platforms
Cyclone5, Arria5 and Arria10 is using "altr,sys-mgr" compatible,
while ARM64 is using "altr,sys-mgr-s10" compatible.
Removed "cpu1-start-addr" for ARM64 as it is not required.

Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>
---

Changes in v2:
- Added detail description of changes in commit message.
- Moved coverted yaml file to soc folder.  

 .../bindings/arm/altera/socfpga-system.txt    | 25 ---------
 .../soc/altera/altr,socfpga-sys-mgr.yaml      | 51 +++++++++++++++++++
 2 files changed, 51 insertions(+), 25 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-system.txt
 create mode 100644 Documentation/devicetree/bindings/soc/altera/altr,socfpga-sys-mgr.yaml

diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt
deleted file mode 100644
index 82edbaaa3f85..000000000000
--- a/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-Altera SOCFPGA System Manager
-
-Required properties:
-- compatible : "altr,sys-mgr"
-- reg : Should contain 1 register ranges(address and length)
-- cpu1-start-addr : CPU1 start address in hex.
-
-Example:
-	 sysmgr@...08000 {
-		compatible = "altr,sys-mgr";
-		reg = <0xffd08000 0x1000>;
-		cpu1-start-addr = <0xffd080c4>;
-	};
-
-ARM64 - Stratix10
-Required properties:
-- compatible : "altr,sys-mgr-s10"
-- reg : Should contain 1 register range(address and length)
-        for system manager register.
-
-Example:
-	 sysmgr@...12000 {
-		compatible = "altr,sys-mgr-s10";
-		reg = <0xffd12000 0x228>;
-	};
diff --git a/Documentation/devicetree/bindings/soc/altera/altr,socfpga-sys-mgr.yaml b/Documentation/devicetree/bindings/soc/altera/altr,socfpga-sys-mgr.yaml
new file mode 100644
index 000000000000..b8bf63bba567
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/altera/altr,socfpga-sys-mgr.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/altera/altr,socfpga-sys-mgr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Altera SOCFPGA System Manager
+
+maintainers:
+  - Dinh Nguyen <dinguyen@...nel.org>
+
+properties:
+  compatible:
+    oneOf:
+      - description: Cyclone5/Arria5/Arria10
+        const: altr,sys-mgr
+      - description: Stratix10 SoC
+        items:
+          - const: altr,sys-mgr-s10
+          - const: altr,sys-mgr
+
+  reg:
+    maxItems: 1
+
+  cpu1-start-addr:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: CPU1 start address in hex
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: altr,sys-mgr-s10
+    then:
+      properties:
+        cpu1-start-addr: false
+
+additionalProperties: false
+
+examples:
+  - |
+    sysmgr@...08000 {
+      compatible = "altr,sys-mgr";
+      reg = <0xffd08000 0x1000>;
+      cpu1-start-addr = <0xffd080c4>;
+    };
-- 
2.25.1