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 <kimseer.paller@analog.com>
---
 .../bindings/gpio/gpio-adg1414.yaml           | 66 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml

diff --git a/Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml b/Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml
new file mode 100644
index 000000000..24a51e79f
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml
@@ -0,0 +1,66 @@
+# 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 <kimseer.paller@analog.com>
+
+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
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  spi-cpha: true
+
+  reset-gpios:
+    description: GPIO specifier that resets the device.
+    maxItems: 1
+
+  '#daisy-chained-devices':
+    description: The number of daisy-chained devices.
+    default: 1
+    minimum: 1
+    maximum: 4
+
+required:
+  - compatible
+  - reg
+  - spi-cpha
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        gpio@0 {
+            compatible = "adi,adg1414";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            spi-cpha;
+            reset-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d1052fa6..526145e69 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -461,6 +461,12 @@ W:	https://ez.analog.com/linux-software-drivers
 F:	Documentation/devicetree/bindings/net/ieee802154/adf7242.txt
 F:	drivers/net/ieee802154/adf7242.c
 
+ADG1414 SPST Switch Driver
+M:	Kim Seer Paller <kimseer.paller@analog.com>
+S:	Supported
+W:	https://ez.analog.com/linux-software-drivers
+F:	Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml
+
 ADM1025 HARDWARE MONITOR DRIVER
 M:	Jean Delvare <jdelvare@suse.com>
 L:	linux-hwmon@vger.kernel.org
-- 
2.34.1

On 21/01/2024 11:35, Kim Seer Paller wrote:
> 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 <kimseer.paller@analog.com>
> ---
>  .../bindings/gpio/gpio-adg1414.yaml           | 66 +++++++++++++++++++
>  MAINTAINERS                                   |  6 ++
>  2 files changed, 72 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml
> 
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml b/Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml
> new file mode 100644
> index 000000000..24a51e79f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/gpio-adg1414.yaml

Filename like compatible.


> @@ -0,0 +1,66 @@
> +# 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

"Driver" as Linux driver or some hardware driver?

> +
> +maintainers:
> +  - Kim Seer Paller <kimseer.paller@analog.com>
> +
> +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
> +
> +  gpio-controller: true
> +
> +  '#gpio-cells':
> +    const: 2
> +
> +  spi-cpha: true
> +
> +  reset-gpios:
> +    description: GPIO specifier that resets the device.

Drop description, it's obvious. You could instead say something useful,
like name of pin.

> +    maxItems: 1
> +
> +  '#daisy-chained-devices':
> +    description: The number of daisy-chained devices.
> +    default: 1
> +    minimum: 1
> +    maximum: 4

This needs to be added to dtschema or at least its type should be here.

> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-cpha
> +
> +allOf:
> +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
> +
> +unevaluatedProperties: false
> +


Best regards,
Krzysztof