dt-bindings: ata: Add DT bindings ep93xx pata

Add YAML bindings ep93xx SoC.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/Documentation/devicetree/bindings/ata/cirrus,ep93xx-pata.yaml b/Documentation/devicetree/bindings/ata/cirrus,ep93xx-pata.yaml
new file mode 100644 (file)
index 0000000..24ed64c
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/cirrus,ep93xx-pata.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ata/cirrus,ep93xx-pata.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: EP9312 PATA controller driver
+
+maintainers:
+  - Damien Le Moal <damien.lemoal@opensource.wdc.com>
+
+properties:
+  compatible:
+    const: cirrus,ep9312-pata
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    ide: ide@800a0000 {
+        compatible = "cirrus,ep9312-pata";
+        reg = <0x800a0000 0x38>;
+        interrupt-parent = <&vic1>;
+        interrupts = <8>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&ide_default_pins>;
+    };
+
+...