[PATCH 2/3] dt-bindings: sound: Add Xilinx logicPD-I2S FPGA IP bindings

[Miquel Raynal <miquel.raynal@bootlin.com>]

Document the logicPD I2S FPGA block bindings in yaml.

Syntax verified with dt-doc-validate.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
 .../bindings/sound/xlnx,logicpd-i2s.yaml      | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/xlnx,logicpd-i2s.yaml

diff --git a/Documentation/devicetree/bindings/sound/xlnx,logicpd-i2s.yaml b/Documentation/devicetree/bindings/sound/xlnx,logicpd-i2s.yaml
new file mode 100644
index 000000000000..cbff641af199
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/xlnx,logicpd-i2s.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/xlnx,logicpd-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Device-Tree bindings for Xilinx logicPD I2S FPGA block
+
+maintainers:
+  - Miquel Raynal <miquel.raynal@bootlin.com>
+
+description: |
+  The IP supports I2S playback/capture audio. It acts as a slave and
+  clocks should come from the codec. It only supports two channels and
+  S16_LE format.
+
+properties:
+  compatible:
+    items:
+      - const: xlnx,logicpd-i2s
+
+  reg:
+    maxItems: 1
+    description:
+      Base address and size of the IP core instance.
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+    items:
+      - description: tx interrupt
+      - description: rx interrupt
+    description:
+      Either the Tx interruption or the Rx interruption or both.
+
+  interrupt-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: tx
+      - const: rx
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupts-controller
+
+examples:
+  - |
+    logii2s_dai: logii2s-dai@43c10000 {
+        reg = <0x43c10000 0x1000>;
+        compatible = "xlnx,logicpd-i2s-dai";
+        interrupt-parent = <&intc>;
+        interrupts = <0 29 IRQ_TYPE_LEVEL_HIGH>, <0 30 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "rx", "tx";
+    };
-- 
2.20.1