dt-bindings: gpio: add adg1414

The ADG1414 is a 9.5 Ω RON ±15 V/+12 V/±5 V iCMOS Serially-Controlled
Octal SPST Switches

Signed-off-by: Kim Seer Paller <[email protected]>

Author: kseerp

Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml

@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/gpio-adg1414.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ADG1414 SPST Switch Driver
+
+maintainers:
+  - Kim Seer Paller <[email protected]>
+
+description:
+  The ADG1414 is a 9.5 Ω RON ±15 V/+12 V/±5 V iCMOS Serially-Controlled
+  Octal SPST Switches
+
+properties:
+  compatible:
+    enum:
+      - adi,adg1414
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 50000000
+
+  spi-cpha: true
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  reset-gpios:
+    description: GPIO specifier that resets the device.
+    maxItems: 1
+
+  daisy-chained0-devices:
+    description: The number of daisy-chained devices.
+    default: 1
+    minimum: 1
+    maximum: 4
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+  - spi-cpha
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    spi0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adg1414@0 {
+            compatible = "adi,adg1414";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            spi-cpha;
+            reset-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
+        };
+    };
+
+...