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

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Date:   Sat, 12 Aug 2023 19:28:02 +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>,
        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: Re: [PATCH 2/4] dt-bindings: net: dsa: document internal MDIO bus

I changed this to below. I will wait for reviews before submitting v2.

The realtek.yaml schema extends the mdio.yaml schema. The mdio.yaml schema
is also being referred to through dsa.yaml#/$defs/ethernet-ports now which
means we cannot disallow additional properties by 'unevaluatedProperties:
false' on the dsa.yaml schema.

On the realtek.yaml schema, refer to dsa.yaml#/properties/mdio instead to
point the human readers to the description on the dsa.yaml schema.

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..f4b4fe0509a0 100644
--- a/Documentation/devicetree/bindings/net/dsa/realtek.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
@@ -96,7 +96,7 @@ properties:
        - '#interrupt-cells'
  
    mdio:
-    $ref: /schemas/net/mdio.yaml#
+    $ref: dsa.yaml#/properties/mdio
      unevaluatedProperties: false
  
      properties:

Arınç