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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 on i.MX8MQ EVK board. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot= /dts/freescale/imx8mq-evk.dts index a88bc90346636..0aad853981761 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -397,6 +397,7 @@ &pcie1 { <&clk IMX8MQ_CLK_PCIE2_PHY>, <&clk IMX8MQ_CLK_PCIE2_AUX>; vpcie-supply =3D <®_pcie1>; + vpcie3v3aux-supply =3D <®_pcie1>; vph-supply =3D <&vgen5_reg>; status =3D "okay"; }; --=20 2.37.1