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COOLING5d

[PATCH PRELIMINARY 5/5] arm64: dts: qcom: shikra-iqs-evk: enable both Ethernet ports

From: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
Date: 2026-09-08 06:24:13
Also in: linux-arm-msm, linux-devicetree, lkml
Subsystem: arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers: Bjorn Andersson, Konrad Dybcio, Linus Torvalds

Enable ethernet0 and ethernet1 on the IQS EVK with their respective
TI DP83867 RGMII PHYs. Both PHYs are powered by GPIO-controlled 2.5V
regulators.

Signed-off-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 90 +++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
index 727809430fd15fc45046daa2d1fbca110394c60d..049feb5b4d965177a67b7dbfb2d368ccfbdab7b9 100644
--- a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
+++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
@@ -21,6 +21,78 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	rgmii_phy0_supply: regulator-rgmii-phy0 {
+		compatible = "regulator-fixed";
+		regulator-name = "rgmii-phy0-pwr";
+		regulator-min-microvolt = <2500000>;
+		regulator-max-microvolt = <2500000>;
+		gpio = <&tlmm 66 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		pinctrl-0 = <&rgmii_phy0_pwr_default>;
+		pinctrl-names = "default";
+	};
+
+	rgmii_phy1_supply: regulator-rgmii-phy1 {
+		compatible = "regulator-fixed";
+		regulator-name = "rgmii-phy1-pwr";
+		regulator-min-microvolt = <2500000>;
+		regulator-max-microvolt = <2500000>;
+		gpio = <&tlmm 53 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		pinctrl-0 = <&rgmii_phy1_pwr_default>;
+		pinctrl-names = "default";
+	};
+};
+
+&ethernet0 {
+	phy-handle = <&rgmii_phy0>;
+	phy-mode = "rgmii-id";
+
+	pinctrl-0 = <&ethernet0_default>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		rgmii_phy0: ethernet-phy@7 {
+			compatible = "ethernet-phy-id2000.a231";
+			reg = <0x7>;
+			reset-gpios = <&tlmm 135 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <50000>;
+			vdda-2p5-supply = <&rgmii_phy0_supply>;
+		};
+	};
+};
+
+&ethernet1 {
+	phy-handle = <&rgmii_phy1>;
+	phy-mode = "rgmii-id";
+
+	pinctrl-0 = <&ethernet1_default>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		rgmii_phy1: ethernet-phy@7 {
+			compatible = "ethernet-phy-id2000.a231";
+			reg = <0x7>;
+			reset-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <50000>;
+			vdda-2p5-supply = <&rgmii_phy1_supply>;
+		};
+	};
 };
 
 &remoteproc_cdsp {
@@ -57,3 +129,21 @@ &sdhc_1 {
 
 	status = "okay";
 };
+
+&tlmm {
+	rgmii_phy0_pwr_default: rgmii-phy0-pwr-default-state {
+		pins = "gpio66";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+
+	rgmii_phy1_pwr_default: rgmii-phy1-pwr-default-state {
+		pins = "gpio53";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+};
-- 
2.34.1
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