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Message-ID: <20240623124507.27297-2-shresthprasad7@gmail.com>
Date: Sun, 23 Jun 2024 18:15:08 +0530
From: Shresth Prasad <shresthprasad7@...il.com>
To: vkoul@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	skhan@...uxfoundation.org,
	javier.carrasco.cruz@...il.com,
	Shresth Prasad <shresthprasad7@...il.com>
Subject: [PATCH] dt-bindings: dma: mv-xor-v2: Convert to dtschema

Convert txt bindings of Marvell XOR v2 engines to dtschema to allow
for validation.

Signed-off-by: Shresth Prasad <shresthprasad7@...il.com>
---
Tested against `marvell/armada-7040-db.dtb`, `marvell/armada-7040-mochabin.dtb`
and `marvell/armada-8080-db.dtb`

 .../bindings/dma/marvell,xor-v2.yaml          | 69 +++++++++++++++++++
 .../devicetree/bindings/dma/mv-xor-v2.txt     | 28 --------
 2 files changed, 69 insertions(+), 28 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/dma/marvell,xor-v2.yaml
 delete mode 100644 Documentation/devicetree/bindings/dma/mv-xor-v2.txt

diff --git a/Documentation/devicetree/bindings/dma/marvell,xor-v2.yaml b/Documentation/devicetree/bindings/dma/marvell,xor-v2.yaml
new file mode 100644
index 000000000000..3d7481c1917e
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/marvell,xor-v2.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/marvell,xor-v2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell XOR v2 engines
+
+maintainers:
+  - Vinod Koul <vkoul@...nel.org>
+
+properties:
+  compatible:
+    contains:
+      enum:
+        - marvell,armada-7k-xor
+        - marvell,xor-v2
+
+  reg:
+    items:
+      - description: DMA registers location and length
+      - description: global registers location and length
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    items:
+      - const: core
+      - const: reg
+
+  msi-parent:
+    description:
+      Phandle to the MSI-capable interrupt controller used for
+      interrupts.
+    maxItems: 1
+
+  dma-coherent: true
+
+required:
+  - compatible
+  - reg
+  - msi-parent
+  - dma-coherent
+
+if:
+  required:
+    - clocks
+  properties:
+    clocks:
+      minItems: 2
+      maxItems: 2
+then:
+  required:
+    - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    xor0@...000 {
+        compatible = "marvell,armada-7k-xor", "marvell,xor-v2";
+        reg = <0x6a0000 0x1000>, <0x6b0000 0x1000>;
+        clocks = <&ap_clk 0>, <&ap_clk 1>;
+        clock-names = "core", "reg";
+        msi-parent = <&gic_v2m0>;
+        dma-coherent;
+    };
diff --git a/Documentation/devicetree/bindings/dma/mv-xor-v2.txt b/Documentation/devicetree/bindings/dma/mv-xor-v2.txt
deleted file mode 100644
index 9c38bbe7e6d7..000000000000
--- a/Documentation/devicetree/bindings/dma/mv-xor-v2.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-* Marvell XOR v2 engines
-
-Required properties:
-- compatible: one of the following values:
-    "marvell,armada-7k-xor"
-    "marvell,xor-v2"
-- reg: Should contain registers location and length (two sets)
-    the first set is the DMA registers
-    the second set is the global registers
-- msi-parent: Phandle to the MSI-capable interrupt controller used for
-  interrupts.
-
-Optional properties:
-- clocks: Optional reference to the clocks used by the XOR engine.
-- clock-names: mandatory if there is a second clock, in this case the
-   name must be "core" for the first clock and "reg" for the second
-   one
-
-
-Example:
-
-	xor0@...000 {
-		compatible = "marvell,xor-v2";
-		reg = <0x400000 0x1000>,
-		      <0x410000 0x1000>;
-		msi-parent = <&gic_v2m0>;
-		dma-coherent;
-	};
-- 
2.45.2


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