netdev - [PATCH net 1/2] dt-bindings: net: dsa: realtek: cleanup compatible strings

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Message-Id: <20220416062504.19005-1-luizluca@gmail.com>
Date:   Sat, 16 Apr 2022 03:25:03 -0300
From:   Luiz Angelo Daros de Luca <luizluca@...il.com>
To:     netdev@...r.kernel.org
Cc:     linus.walleij@...aro.org, alsi@...g-olufsen.dk, andrew@...n.ch,
        vivien.didelot@...il.com, f.fainelli@...il.com, olteanv@...il.com,
        davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        robh+dt@...nel.org, krzk+dt@...nel.org, arinc.unal@...nc9.com,
        Luiz Angelo Daros de Luca <luizluca@...il.com>,
        devicetree@...r.kernel.org
Subject: [PATCH net 1/2] dt-bindings: net: dsa: realtek: cleanup compatible strings

Compatible strings are used to help the driver find the chip ID/version
register for each chip family. After that, the driver can setup the
switch accordingly. Keep only the first supported model for each family
as a compatible string and reference other chip models in the
description.

CC: devicetree@...r.kernel.org
Link: https://lore.kernel.org/netdev/20220414014055.m4wbmr7tdz6hsa3m@bang-olufsen.dk/
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@...il.com>
---
 .../devicetree/bindings/net/dsa/realtek.yaml  | 33 +++++++------------
 1 file changed, 12 insertions(+), 21 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/dsa/realtek.yaml b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
index 8756060895a8..9bf862abb496 100644
--- a/Documentation/devicetree/bindings/net/dsa/realtek.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
@@ -27,32 +27,23 @@ description:
   The realtek-mdio driver is an MDIO driver and it must be inserted inside
   an MDIO node.
 
+  The compatibility string is used only to find an identification register,
+  (chip ID and version) which is at a different MDIO base address in different
+  switch families. The driver then uses the chip ID/version to device how to
+  drive the switch.
+
 properties:
   compatible:
     enum:
       - realtek,rtl8365mb
-      - realtek,rtl8366
       - realtek,rtl8366rb
-      - realtek,rtl8366s
-      - realtek,rtl8367
-      - realtek,rtl8367b
-      - realtek,rtl8367rb
-      - realtek,rtl8367s
-      - realtek,rtl8368s
-      - realtek,rtl8369
-      - realtek,rtl8370
     description: |
-      realtek,rtl8365mb: 4+1 ports
-      realtek,rtl8366: 5+1 ports
-      realtek,rtl8366rb: 5+1 ports
-      realtek,rtl8366s: 5+1 ports
-      realtek,rtl8367:
-      realtek,rtl8367b:
-      realtek,rtl8367rb: 5+2 ports
-      realtek,rtl8367s: 5+2 ports
-      realtek,rtl8368s: 8 ports
-      realtek,rtl8369: 8+1 ports
-      realtek,rtl8370: 8+2 ports
+      realtek,rtl8365mb:
+        Use with models RTL8363NB, RTL8363NB-VB, RTL8363SC, RTL8363SC-VB,
+        RTL8364NB, RTL8364NB-VB, RTL8365MB, RTL8366SC, RTL8367RB-VB, RTL8367S,
+        RTL8367SB, RTL8370MB, RTL8310SR
+      realtek,rtl8367rb:
+        Use with models RTL8366RB, RTL8366S
 
   mdc-gpios:
     description: GPIO line for the MDC clock line.
@@ -335,7 +326,7 @@ examples:
             #size-cells = <0>;
 
             switch@29 {
-                    compatible = "realtek,rtl8367s";
+                    compatible = "realtek,rtl8365mb";
                     reg = <29>;
 
                     reset-gpios = <&gpio2 20 GPIO_ACTIVE_LOW>;
-- 
2.35.1