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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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