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[v2,1/2] dt-bindings: net: wireless: Add Realtek RTL8188ETV USB WiFi

Message ID 20250408-rtl-onboard-v2-1-0b6730b90e31@posteo.net
State New
Headers show
Series Onboard USB device support for RTL8188ETV 2.4GHz USB WiFi module | expand

Commit Message

J. Neuschäfer via B4 Relay April 8, 2025, 7:13 p.m. UTC 
From: "J. Neuschäfer" <j.ne@posteo.net>

This is an on-board USB device that requires a 3.3V supply.

Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
---

V2:
- Use my current email address
- Remove TODO comment
- Rename schema file to realtek,rtl8188e.yaml. This is the same
  granularity at which the rtl8xxxu driver is split into files, making
  it unnecessary to rename the schema file if another similar chip is added
  in the future.
- Change license identifier from (GPL-2.0 OR BSD-2-Clause) to (GPL-2.0-only
  OR BSD-2-Clause) because GPL-2.0 is ambiguous
---
 .../bindings/net/wireless/realtek,rtl8188e.yaml    | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/net/wireless/realtek,rtl8188e.yaml b/Documentation/devicetree/bindings/net/wireless/realtek,rtl8188e.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..2769731e07083b14e2f7388858dcded92c442018
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/realtek,rtl8188e.yaml
@@ -0,0 +1,50 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/realtek,rtl8188e.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTL8188E USB WiFi
+
+maintainers:
+  - J. Neuschäfer <j.ne@posteo.net>
+
+description:
+  Realtek RTL8188E is a family of USB-connected 2.4 GHz WiFi modules.
+
+allOf:
+  - $ref: /schemas/usb/usb-device.yaml#
+
+properties:
+  compatible:
+    const: usbbda,179  # RTL8188ETV
+
+  reg: true
+
+  vdd-supply:
+    description:
+      Regulator for the 3V3 supply.
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    usb {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        wifi: wifi@1 {
+            compatible = "usbbda,179";
+            reg = <1>;
+            vdd-supply = <&vcc3v3>;
+        };
+    };
+
+...