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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’s 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.MX8QXP MEK board. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts index 7b03374455410..521e1be710d73 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts @@ -631,6 +631,7 @@ &pcie0 { pinctrl-names = "default"; reset-gpios = <&lsio_gpio4 0 GPIO_ACTIVE_LOW>; vpcie-supply = <®_pcieb>; + vpcie3v3aux-supply = <®_pcieb>; status = "okay"; }; -- 2.37.1