Enable PCIE2.0x1 @fe190000 for RTL8125 network controller in Rock 5B board. This is based on prior work from XiaoDong Huang and Peter Geis fixing this issue specifically for Rockchip 356x. Signed-off-by: Lucas Tanure <lucas.tanure@xxxxxxxxxxxxx> --- .../arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts index df8b135cf223..c4ae20ad2fd7 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts @@ -36,6 +36,15 @@ vcc_1v1_nldo_s3: vcc-1v1-nldo-s3 { regulator-max-microvolt = <1100000>; vin-supply = <&vcc5v0_sys>; }; + + vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2 { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_pcie2x1l2"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + startup-delay-us = <5000>; + vin-supply = <&vcc_3v3_s3>; + }; }; &sdhci { @@ -70,3 +79,12 @@ &sdmmc { status = "okay"; }; +&combphy0_ps { + status = "okay"; +}; + +&pcie2x1l2 { + reset-gpios = <&gpio3 RK_PB0 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply = <&vcc3v3_pcie2x1l2>; + status = "okay"; +}; -- 2.39.2