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

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Message-Id: <20221221104803.1693874-1-p.zabel@pengutronix.de>
Date:   Wed, 21 Dec 2022 11:48:02 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     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 1/2] dt-bindings: net: Add rfkill-gpio binding

Add a device tree binding document for GPIO controlled rfkill switches.
The name, type, shutdown-gpios and reset-gpios properties are the same
as defined for ACPI.

Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
---
 .../devicetree/bindings/net/rfkill-gpio.yaml  | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/rfkill-gpio.yaml

diff --git a/Documentation/devicetree/bindings/net/rfkill-gpio.yaml b/Documentation/devicetree/bindings/net/rfkill-gpio.yaml
new file mode 100644
index 000000000000..6e62e6c96456
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/rfkill-gpio.yaml
@@ -0,0 +1,60 @@
+# 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
+
+  name:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: rfkill switch name, defaults to node name
+
+  type:
+    description: rfkill radio type
+    enum:
+      - wlan
+      - bluetooth
+      - ultrawideband
+      - wimax
+      - wwan
+      - gps
+      - fm
+      - nfc
+
+  shutdown-gpios:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+required:
+  - compatible
+  - type
+
+oneOf:
+  - required:
+      - shutdown-gpios
+  - required:
+      - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    rfkill-pcie-wlan {
+        compatible = "rfkill-gpio";
+        name = "rfkill-pcie-wlan";
+        type = "wlan";
+        shutdown-gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+    };
-- 
2.30.2