linux-kernel - [PATCH net-next v8 5/9] dt-bindings: net: hisi-femac: add mandatory MDIO bus subnode

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Message-Id: <20240305-net-v8-5-166aaeea2107@outlook.com>
Date: Tue, 05 Mar 2024 15:51:14 +0800
From: Yang Xiwen via B4 Relay <devnull+forbidden405.outlook.com@...nel.org>
To: Yisen Zhuang <yisen.zhuang@...wei.com>, 
 Salil Mehta <salil.mehta@...wei.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>, Andrew Lunn <andrew@...n.ch>, 
 Heiner Kallweit <hkallweit1@...il.com>, 
 Russell King <linux@...linux.org.uk>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Yang Xiwen <forbidden405@...look.com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH net-next v8 5/9] dt-bindings: net: hisi-femac: add
 mandatory MDIO bus subnode

From: Yang Xiwen <forbidden405@...look.com>

FEMAC core always has an integrated MDIO bus mapped in its address
space. Add required properties '#address-cells', 'size-cells', 'ranges'
and MDIO bus subnode.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Yang Xiwen <forbidden405@...look.com>
---
 .../bindings/net/hisilicon,hisi-femac.yaml         | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml b/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml
index ba207f2c9ae4..ff6b090ed34e 100644
--- a/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml
+++ b/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml
@@ -24,6 +24,15 @@ properties:
       - description: The first region is the MAC core register base and size.
       - description: The second region is the global MAC control register.

+  ranges:
+    maxItems: 1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 1
+
   interrupts:
     maxItems: 1

@@ -59,9 +68,16 @@ properties:
       - description: reset pulse for PHY
       - description: post-reset delay for PHY

+patternProperties:
+  'mdio@[0-9a-f]+':
+    $ref: hisilicon,hisi-femac-mdio.yaml#
+
 required:
   - compatible
   - reg
+  - ranges
+  - '#address-cells'
+  - '#size-cells'
   - interrupts
   - clocks
   - resets
@@ -77,6 +93,9 @@ examples:
     ethernet@...90000 {
         compatible = "hisilicon,hi3516cv300-femac", "hisilicon,hisi-femac";
         reg = <0x10090000 0x1000>, <0x10091300 0x200>;
+        ranges = <0x0 0x10090000 0x10000>;
+        #address-cells = <1>;
+        #size-cells = <1>;
         interrupts = <12>;
         clocks = <&clk_femac>, <&clk_femacif>, <&clk_fephy>;
         clock-names = "mac", "macif", "phy";
@@ -86,4 +105,15 @@ examples:
         phy-mode = "mii";
         phy-handle = <&fephy>;
         hisilicon,phy-reset-delays-us = <10000 20000 20000>;
+
+        mdio@...0 {
+            compatible = "hisilicon,hisi-femac-mdio";
+            reg = <0x1100 0x20>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            phy@1 {
+                reg = <1>;
+            };
+        };
     };

-- 
2.43.0