linux-kernel - [PATCH v1 3/8] ARM: dts: aspeed: system1: Add RGMII support

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Message-ID: <20241213145037.3784931-4-ninad@linux.ibm.com>
Date: Fri, 13 Dec 2024 08:50:29 -0600
From: Ninad Palsule <ninad@...ux.ibm.com>
To: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, joel@....id.au,
        andrew@...econstruct.com.au, devicetree@...r.kernel.org,
        eajames@...ux.ibm.com, ninad@...ux.ibm.com,
        linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Cc: NINAD PALSULE <ninadpalsule@...ibm.com>
Subject: [PATCH v1 3/8] ARM: dts: aspeed: system1: Add RGMII support

From: NINAD PALSULE <ninadpalsule@...ibm.com>

system1 has 2 transceiver connected through the RGMII interfaces. Added
device tree entry to enable RGMII support.

Signed-off-by: Ninad Palsule <ninad@...ux.ibm.com>
---
 .../dts/aspeed/aspeed-bmc-ibm-system1.dts     | 38 ++++++++++++++++---
 1 file changed, 33 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
index db4b9fb674fe..775a95470f5c 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -425,14 +425,42 @@ &lpc_ctrl {
 	memory-region = <&flash_memory>;
 };
 
+&mdio0 {
+	status = "okay";
+
+	ethphy0: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+	};
+};
+
+&mdio2 {
+	status = "okay";
+
+	ethphy2: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+	};
+};
+
+&mac0 {
+	status = "okay";
+
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&ethphy0>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rgmii1_default>;
+};
+
 &mac2 {
 	status = "okay";
+
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy2>;
+
 	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_rmii3_default>;
-	clocks = <&syscon ASPEED_CLK_GATE_MAC3CLK>,
-		 <&syscon ASPEED_CLK_MAC3RCLK>;
-	clock-names = "MACCLK", "RCLK";
-	use-ncsi;
+	pinctrl-0 = <&pinctrl_rgmii3_default>;
 };
 
 &mac3 {
-- 
2.43.0