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Set a delay equal to the max value of Tsettle in m2 regulator. > > Signed-off-by: Richard Zhu > Signed-off-by: Peng Fan Reviewed-by: Frank Li > --- > arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts > index feee6da65d37cae7413b09216014d6fe2b76b032..82e183dc581012a7c5be3d2bf749463d0a8a360d 100644 > --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts > @@ -136,6 +136,13 @@ reg_m2_pwr: regulator-m2-pwr { > regulator-max-microvolt = <3300000>; > gpio = <&i2c7_pcal6524 20 GPIO_ACTIVE_HIGH>; > enable-active-high; > + /* > + * M.2 device only can be enabled(W_DISABLE1#) after all Power > + * Rails reach their minimum operating voltage (PCI Express M.2 > + * Specification r5.1 3.1.4 Power-up Timing). > + * Set a delay equal to the max value of Tsettle here. > + */ > + startup-delay-us = <5000>; > }; > > reg_pcie0: regulator-pcie { > > -- > 2.37.1 >