[PATCH 11/18] dt-bindings: gpio: Add bindings for sl28cpld GPIO controller

[Michael Walle <michael@xxxxxxxx>]

This adds device tree bindings for the GPIO controller of the sl28 board
management controller.

Signed-off-by: Michael Walle <michael@xxxxxxxx>
---
 .../bindings/gpio/kontron,sl28cpld-gpio.yaml  | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml b/Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml
new file mode 100644
index 000000000000..a6af8c4b622f
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/kontron,sl28cpld-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPIO driver for the sl28cpld board management controller
+
+maintainers:
+  - Michael Walle <michael@xxxxxxxx>
+
+description: |
+  This module is part of the sl28cpld multi-function device. For more
+  details see Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml.
+
+properties:
+  compatible:
+    enum:
+      - kontron,sl28cpld-gpio
+      - kontron,sl28cpld-gpi
+      - kontron,sl28cpld-gpo
+
+  reg:
+    maxItems: 1
+    description: Instance number of the GPIO controller
+
+  "#interrupt-cells":
+    const: 2
+
+  interrupt-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  gpio-controller: true
+
+  gpio-line-names:
+      minItems: 1
+      maxItems: 8
+
+required:
+  - compatible
+  - "#gpio-cells"
+  - gpio-controller
+
+additionalProperties: false
-- 
2.20.1