linux-kernel - [PATCH 1/2] dt-bindings: net: wireless: Add Realtek RTL8188 USB WiFi

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Message-Id: <20250403-rtl-onboard-v1-1-10ca9a6a4ee0@posteo.net>
Date: Thu, 03 Apr 2025 16:07:48 +0200
From: J. Neuschäfer via B4 Relay <devnull+j.ne.posteo.net@...nel.org>
To: Johannes Berg <johannes@...solutions.net>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 J. Neuschäfer <j.neuschaefer@....net>, 
 Matthias Kaehlcke <mka@...omium.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Jes Sorensen <Jes.Sorensen@...il.com>, linux-wireless@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-usb@...r.kernel.org, 
 J. Neuschäfer <j.ne@...teo.net>
Subject: [PATCH 1/2] dt-bindings: net: wireless: Add Realtek RTL8188 USB
 WiFi

From: "J. Neuschäfer" <j.ne@...teo.net>

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

Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
---
 .../bindings/net/wireless/realtek,rtl8188.yaml     | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/realtek,rtl8188.yaml b/Documentation/devicetree/bindings/net/wireless/realtek,rtl8188.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..b637c71e3c4d81b47d338394b2e0a7772035c2c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/realtek,rtl8188.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/realtek,rtl8188.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTL8188 USB WiFi
+
+maintainers:
+  - J. Neuschäfer <j.neuschaefer@....net>
+
+description:
+  The Realtek RTL8188 is a USB-connected 2.4 GHz WiFi module.
+  TODO- website or soemthing
+
+allOf:
+  - $ref: /schemas/usb/usb-device.yaml#
+
+properties:
+  compatible:
+    const: usbbda,179
+
+  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>;
+        };
+    };
+
+...

-- 
2.48.0.rc1.219.gb6b6757d772