linux-kernel - [PATCH v4 3/4] mips: dts: realtek: Add MDIO controller

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Message-ID: <20250120040214.2538839-4-chris.packham@alliedtelesis.co.nz>
Date: Mon, 20 Jan 2025 17:02:13 +1300
From: Chris Packham <chris.packham@...iedtelesis.co.nz>
To: lee@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	tsbogend@...ha.franken.de,
	hkallweit1@...il.com,
	linux@...linux.org.uk,
	sander@...nheule.net,
	markus.stockhausen@....de
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH v4 3/4] mips: dts: realtek: Add MDIO controller

Add a device tree node for the MDIO controller on the RTL9300 chips.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
---

Notes:
    Changes in v4:
    - Have a single mdio-controller with the individual buses as child
      nodes
    Changes in v3:
    - None
    Changes in v2:
    - None

 arch/mips/boot/dts/realtek/rtl930x.dtsi | 32 +++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/mips/boot/dts/realtek/rtl930x.dtsi b/arch/mips/boot/dts/realtek/rtl930x.dtsi
index f2e57ea3a60c..8410411fbba6 100644
--- a/arch/mips/boot/dts/realtek/rtl930x.dtsi
+++ b/arch/mips/boot/dts/realtek/rtl930x.dtsi
@@ -69,6 +69,38 @@ i2c1: i2c@388 {
 			#size-cells = <0>;
 			status = "disabled";
 		};
+
+		mdio_controller: mdio-controller {
+			compatible = "realtek,rtl9301-mdio";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			mdio0: mdio-bus@0 {
+				reg = <0>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+			mdio1: mdio-bus@1 {
+				reg = <1>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+			mdio2: mdio-bus@2 {
+				reg = <2>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+			mdio3: mdio-bus@3 {
+				reg = <3>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+		};
 	};
 
 	soc: soc@...00000 {
-- 
2.47.1