[PATCH PRELIMINARY 3/5] arm64: dts: qcom: shikra-cqm-evk: enable the first Ethernet port
From: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
Date: 2026-09-08 06:24:01
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 for the Shikra CQM EVK board with its DP83867 RGMII PHY. The PHY is powered on using a GPIO-controlled 2.5V regulator. Signed-off-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com> --- arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts | 46 +++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
index b112b21b1d79b73563d17ae68d7c51460ddb1b22..d093b80034823fbc41fb59366d22fc84fbe8bcb0 100644
--- a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
+++ b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts@@ -21,6 +21,42 @@ aliases { chosen { stdout-path = "serial0:115200n8"; }; + + rgmii_phy_supply: regulator-rgmii-phy { + compatible = "regulator-fixed"; + regulator-name = "rgmii-phy-pwr"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + gpio = <&tlmm 149 GPIO_ACTIVE_HIGH>; + enable-active-high; + pinctrl-0 = <&rgmii_phy_pwr_default>; + pinctrl-names = "default"; + }; +}; + +ðernet0 { + phy-handle = <&rgmii_phy>; + phy-mode = "rgmii-id"; + + pinctrl-0 = <ðernet0_default>; + pinctrl-names = "default"; + + status = "okay"; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + rgmii_phy: 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_phy_supply>; + }; + }; }; &remoteproc_cdsp {
@@ -57,3 +93,13 @@ &sdhc_1 { status = "okay"; }; + +&tlmm { + rgmii_phy_pwr_default: rgmii-phy-pwr-default-state { + pins = "gpio149"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + output-low; + }; +};
--
2.34.1