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PCI Express M.2 Socket 1 utilizes a 3.3 V power source. The voltage source, 3.3 V, is expected to be available during the system=E2=80=99s stand-by/suspend state to support wake event processing on the communications card. Add vpcie3v3aux regulator to let this 3.3 V power source always on for PCIe M.2 Key E connector(PCIe0) on i.MX95 19x19 EVK board. PCIe1 uses one standard PCIe slot connector, but combines the +3.3v and +3.3Vaux into a same 3.3v power source, and intends to let it always on. Add vpcie3v3aux regulator to let this 3.3 V power source always on for PCIe1 on i.MX95 19x19 EVK board too. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64= /boot/dts/freescale/imx95-19x19-evk.dts index 9f968feccef67..65d1a48906993 100644 --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts @@ -542,6 +542,7 @@ &pcie0 { pinctrl-names =3D "default"; reset-gpio =3D <&i2c7_pcal6524 5 GPIO_ACTIVE_LOW>; vpcie-supply =3D <®_pcie0>; + vpcie3v3aux-supply =3D <®_pcie0>; status =3D "okay"; }; =20 @@ -557,6 +558,7 @@ &pcie1 { pinctrl-names =3D "default"; reset-gpio =3D <&i2c7_pcal6524 16 GPIO_ACTIVE_LOW>; vpcie-supply =3D <®_slot_pwr>; + vpcie3v3aux-supply =3D <®_slot_pwr>; status =3D "okay"; }; =20 --=20 2.37.1