Hi Heiner,

On 8/14/21 8:33 PM, Heiner Kallweit wrote:

On 14.08.2021 20:11, David Bauer wrote:

quoted

Add binding documentation for the Realtek RTL8152 / RTL8153 USB ethernet
adapters.

Signed-off-by: David Bauer <redacted>
---
  .../bindings/net/realtek,rtl8152.yaml         | 43 +++++++++++++++++++
  1 file changed, 43 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/net/realtek,rtl8152.yaml

diff --git a/Documentation/devicetree/bindings/net/realtek,rtl8152.yaml b/Documentation/devicetree/bindings/net/realtek,rtl8152.yaml
new file mode 100644
index 000000000000..ab760000b3a6
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/realtek,rtl8152.yaml

@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/realtek,rtl8152.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTL8152/RTL8153 series USB ethernet
+
+maintainers:
+  - David Bauer <mail@david-bauer.net>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - realtek,rtl8152
+              - realtek,rtl8153
+
+  reg:
+    description: The device number on the USB bus
+
+  realtek,led-data:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Value to be written to the LED configuration register.
+

+Pavel as LED subsystem maintainer

There's an ongoing discussion (with certain decisions taken already) about
how to configure network device LEDs.

Thanks, I didn't knew about this.

Is there any place where i can read up specifics about
this topic?

Best
David

quoted

+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    usb@100 {
+      reg = <0x100 0x100>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      usb-eth@2 {
+        compatible = "realtek,rtl8153";
+        reg = <0x2>;
+        realtek,led-data = <0x87>;
+      };
+    };