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diff --git a/dts/upstream/Bindings/net/micrel,ks8851.yaml b/dts/upstream/Bindings/net/micrel,ks8851.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/micrel,ks8851.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Micrel KS8851 Ethernet MAC (SPI and Parallel bus options)
+
+maintainers:
+  - Marek Vasut <marex@denx.de>
+
+properties:
+  compatible:
+    enum:
+      - micrel,ks8851      # SPI bus option
+      - micrel,ks8851-mll  # Parallel bus option
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    minItems: 1
+    items:
+      - description: SPI or Parallel bus hardware address
+      - description: Parallel bus command mode address
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      The reset_n input pin
+
+  vdd-supply:
+    description: |
+      Analog 3.3V supply for Ethernet MAC
+
+  vdd-io-supply:
+    description: |
+      Digital 1.8V IO supply for Ethernet MAC
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: micrel,ks8851
+    then:
+      $ref: /schemas/spi/spi-peripheral-props.yaml#
+      properties:
+        reg:
+          maxItems: 1
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: micrel,ks8851-mll
+    then:
+      $ref: /schemas/memory-controllers/mc-peripheral-props.yaml#
+      properties:
+        reg:
+          minItems: 2
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    /* SPI bus option */
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        ethernet@0 {
+            compatible = "micrel,ks8851";
+            reg = <0>;
+            interrupt-parent = <&msmgpio>;
+            interrupts = <90 8>;
+            vdd-supply = <&ext_l2>;
+            vdd-io-supply = <&pm8921_lvs6>;
+            reset-gpios = <&msmgpio 89 0>;
+        };
+    };
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    /* Parallel bus option */
+    memory-controller {
+        #address-cells = <2>;
+        #size-cells = <1>;
+        ethernet@1,0 {
+            compatible = "micrel,ks8851-mll";
+            reg = <1 0x0 0x2>, <1 0x2 0x20000>;
+            interrupt-parent = <&gpioc>;
+            interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+        };
+    };