linux-kernel - [PATCH v4 4/6] arm64: dts: qcom: qcs615-ride: Enable ethernet node

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Message-Id: <20250819-qcs615_eth-v4-4-5050ed3402cb@oss.qualcomm.com>
Date: Tue, 19 Aug 2025 14:35:59 +0800
From: YijieYang <yijie.yang@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Richard Cochran <richardcochran@...il.com>
Cc: netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, stable+noautosel@...nel.org,
        Yijie Yang <yijie.yang@....qualcomm.com>,
        Yijie Yang <quic_yijiyang@...cinc.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v4 4/6] arm64: dts: qcom: qcs615-ride: Enable ethernet node

From: Yijie Yang <quic_yijiyang@...cinc.com>

Enable the ethernet node, add the phy node and pinctrl for ethernet.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Yijie Yang <quic_yijiyang@...cinc.com>
---
 arch/arm64/boot/dts/qcom/qcs615-ride.dts | 104 +++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
index 59582d3dc4c4..05d8609c0483 100644
--- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
@@ -288,6 +288,59 @@ vreg_l17a: ldo17 {
 	};
 };
 
+&ethernet {
+	pinctrl-0 = <&ethernet_defaults>;
+	pinctrl-names = "default";
+
+	phy-handle = <&rgmii_phy>;
+	phy-mode = "rgmii-id";
+
+	snps,mtl-rx-config = <&mtl_rx_setup>;
+	snps,mtl-tx-config = <&mtl_tx_setup>;
+
+	status = "okay";
+
+	mdio: mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		rgmii_phy: phy@7 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0x7>;
+
+			interrupts-extended = <&tlmm 121 IRQ_TYPE_EDGE_FALLING>;
+			device_type = "ethernet-phy";
+			reset-gpios = <&tlmm 104 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <11000>;
+			reset-deassert-us = <70000>;
+		};
+	};
+
+	mtl_rx_setup: rx-queues-config {
+		snps,rx-queues-to-use = <1>;
+		snps,rx-sched-sp;
+
+		queue0 {
+			snps,dcb-algorithm;
+			snps,map-to-dma-channel = <0x0>;
+			snps,route-up;
+			snps,priority = <0x1>;
+		};
+	};
+
+	mtl_tx_setup: tx-queues-config {
+		snps,tx-queues-to-use = <1>;
+		snps,tx-sched-wrr;
+
+		queue0 {
+			snps,weight = <0x10>;
+			snps,dcb-algorithm;
+			snps,priority = <0x0>;
+		};
+	};
+};
+
 &gcc {
 	clocks = <&rpmhcc RPMH_CXO_CLK>,
 		 <&rpmhcc RPMH_CXO_CLK_A>,
@@ -446,6 +499,57 @@ &sdhc_2 {
 	status = "okay";
 };
 
+&tlmm {
+	ethernet_defaults: ethernet-defaults-state {
+		mdc-pins {
+			pins = "gpio113";
+			function = "rgmii";
+			bias-pull-up;
+		};
+
+		mdio-pins {
+			pins = "gpio114";
+			function = "rgmii";
+			bias-pull-up;
+		};
+
+		rgmii-rx-pins {
+			pins = "gpio81", "gpio82", "gpio83", "gpio102", "gpio103", "gpio112";
+			function = "rgmii";
+			bias-disable;
+			drive-strength = <2>;
+		};
+
+		rgmii-tx-pins {
+			pins = "gpio92", "gpio93", "gpio94", "gpio95", "gpio96", "gpio97";
+			function = "rgmii";
+			bias-pull-up;
+			drive-strength = <16>;
+		};
+
+		phy-intr-pins {
+			pins = "gpio121";
+			function = "gpio";
+			bias-disable;
+			drive-strength = <8>;
+		};
+
+		pps-pins {
+			pins = "gpio91";
+			function = "rgmii";
+			bias-disable;
+			drive-strength = <8>;
+		};
+
+		phy-reset-pins {
+			pins = "gpio104";
+			function = "gpio";
+			bias-pull-up;
+			drive-strength = <16>;
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 };

-- 
2.34.1