linux-kernel - [PATCH 2/4] dt-bindings: net: dsa: document internal MDIO bus

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Message-Id: <20230812091708.34665-3-arinc.unal@arinc9.com>
Date:   Sat, 12 Aug 2023 12:17:06 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Linus Walleij <linus.walleij@...aro.org>,
        Alvin Šipraga <alsi@...g-olufsen.dk>,
        Arınç ÜNAL <arinc.unal@...nc9.com>,
        Daniel Golle <daniel@...rotopia.org>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     mithat.guner@...ont.com, erkin.bozoglu@...ont.com,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH 2/4] dt-bindings: net: dsa: document internal MDIO bus

Add the schema to document the internal MDIO bus. Adjust realtek.yaml
accordingly.

Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
---
 .../devicetree/bindings/net/dsa/dsa.yaml      | 18 +++++
 .../devicetree/bindings/net/dsa/realtek.yaml  | 66 +++++++++----------
 2 files changed, 50 insertions(+), 34 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.yaml b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
index ec74a660beda..03ccedbc49dc 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
@@ -31,6 +31,24 @@ properties:
       (single device hanging off a CPU port) must not specify this property
     $ref: /schemas/types.yaml#/definitions/uint32-array
 
+  mdio:
+    description: The internal MDIO bus of the switch
+    $ref: /schemas/net/mdio.yaml#
+
+if:
+  required: [ mdio ]
+then:
+  patternProperties:
+    "^(ethernet-)?ports$":
+      patternProperties:
+        "^(ethernet-)?port@[0-9]+$":
+          if:
+            not:
+              required: [ ethernet ]
+          then:
+            required:
+              - phy-handle
+
 additionalProperties: true
 
 $defs:
diff --git a/Documentation/devicetree/bindings/net/dsa/realtek.yaml b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
index cfd69c2604ea..ea7db0890abc 100644
--- a/Documentation/devicetree/bindings/net/dsa/realtek.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
@@ -6,9 +6,6 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Realtek switches for unmanaged switches
 
-allOf:
-  - $ref: dsa.yaml#/$defs/ethernet-ports
-
 maintainers:
   - Linus Walleij <linus.walleij@...aro.org>
 
@@ -95,37 +92,38 @@ properties:
       - '#address-cells'
       - '#interrupt-cells'
 
-  mdio:
-    $ref: /schemas/net/mdio.yaml#
-    unevaluatedProperties: false
-
-    properties:
-      compatible:
-        const: realtek,smi-mdio
-
-if:
-  required:
-    - reg
-
-then:
-  $ref: /schemas/spi/spi-peripheral-props.yaml#
-  not:
-    required:
-      - mdc-gpios
-      - mdio-gpios
-      - mdio
-
-  properties:
-    mdc-gpios: false
-    mdio-gpios: false
-    mdio: false
-
-else:
-  required:
-    - mdc-gpios
-    - mdio-gpios
-    - mdio
-    - reset-gpios
+allOf:
+  - $ref: dsa.yaml#/$defs/ethernet-ports
+  - if:
+      required: [ mdio ]
+    then:
+      properties:
+        mdio:
+          properties:
+            compatible:
+              const: realtek,smi-mdio
+
+  - if:
+      required:
+        - reg
+    then:
+      $ref: /schemas/spi/spi-peripheral-props.yaml#
+      not:
+        required:
+          - mdc-gpios
+          - mdio-gpios
+          - mdio
+
+      properties:
+        mdc-gpios: false
+        mdio-gpios: false
+        mdio: false
+    else:
+      required:
+        - mdc-gpios
+        - mdio-gpios
+        - mdio
+        - reset-gpios
 
 required:
   - compatible
-- 
2.39.2