netdev - [PATCH v2 1/2] dt-bindings: net: Add rfkill-gpio binding

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Date:   Mon, 02 Jan 2023 18:29:33 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Johannes Berg <johannes@...solutions.net>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        kernel@...gutronix.de, Philipp Zabel <p.zabel@...gutronix.de>
Subject: [PATCH v2 1/2] dt-bindings: net: Add rfkill-gpio binding

Add a device tree binding document for GPIO controlled rfkill switches.
The label and radio-type properties correspond to the name and type
properties used for ACPI, respectively. The shutdown-gpios property
is the same as defined for ACPI.

Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
---
Changes since v1:
- Drop quotes from $id and $schema (Krzysztof)
- Use generic label property (Rob, Krzysztof)
- Rename type property to radio-type (Rob)
- Reorder list of radio types alphabetically (Krzysztof)
- Drop reset-gpios property (Rob, Krzysztof)
- Use generic node name in example (Rob, Krzysztof)
---
 .../devicetree/bindings/net/rfkill-gpio.yaml       | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/rfkill-gpio.yaml b/Documentation/devicetree/bindings/net/rfkill-gpio.yaml
new file mode 100644
index 000000000000..9630c8466fac
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/rfkill-gpio.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/rfkill-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPIO controlled rfkill switch
+
+maintainers:
+  - Johannes Berg <johannes@...solutions.net>
+  - Philipp Zabel <p.zabel@...gutronix.de>
+
+properties:
+  compatible:
+    const: rfkill-gpio
+
+  label:
+    description: rfkill switch name, defaults to node name
+
+  radio-type:
+    description: rfkill radio type
+    enum:
+      - bluetooth
+      - fm
+      - gps
+      - nfc
+      - ultrawideband
+      - wimax
+      - wlan
+      - wwan
+
+  shutdown-gpios:
+    maxItems: 1
+
+required:
+  - compatible
+  - radio-type
+  - shutdown-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    rfkill {
+        compatible = "rfkill-gpio";
+        label = "rfkill-pcie-wlan";
+        radio-type = "wlan";
+        shutdown-gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+    };

-- 
2.30.2