linux-kernel - [PATCH v2 1/2] dt-bindings: gpio: add adg1414

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Message-ID: <20250213-for_upstream-v2-1-ec4eff3b3cd5@analog.com>
Date: Thu, 13 Feb 2025 21:15:09 +0800
From: Kim Seer Paller <kimseer.paller@...log.com>
To: Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski
	<brgl@...ev.pl>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Kim Seer Paller <kimseer.paller@...log.com>
Subject: [PATCH v2 1/2] 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 <kimseer.paller@...log.com>
---
 .../devicetree/bindings/gpio/adi,adg1414-gpio.yaml | 68 ++++++++++++++++++++++
 MAINTAINERS                                        |  6 ++
 2 files changed, 74 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/adi,adg1414-gpio.yaml b/Documentation/devicetree/bindings/gpio/adi,adg1414-gpio.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..2c91175d3c7e0a030a894953abfad003ace23744
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/adi,adg1414-gpio.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/adi,adg1414-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ADG1414 Serially-Controlled Octal SPST Switches
+
+maintainers:
+  - Kim Seer Paller <kimseer.paller@...log.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,adg14140-gpio
+
+  reg:
+    maxItems: 1
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  spi-cpha: true
+
+  reset-gpios:
+    description: RESET/Logic Power Supply Input (VL). When the RESET/VL pin is
+      low, all switches are off and the appropriate registers are cleared to 0.
+    maxItems: 1
+
+  '#daisy-chained-devices':
+    description: The number of daisy-chained devices.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    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,adg14140-gpio";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            spi-cpha;
+            reset-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 25c86f47353de25c88291cc7fd6c4e9bfb12d5c4..66d92be0f57daa9eabb48d7e53b6b2bea0c40863 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -498,6 +498,12 @@ 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@...log.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@...e.com>
 L:	linux-hwmon@...r.kernel.org

-- 
2.34.1