arm64: dts: imx8mq-librem5: delay the startup of the SDIO

The redpine wifi card takes some time to wake up. Wait for it.

Signed-off-by: Angus Ainslie <angus@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 9a309b1d0a90f8ec2aa6abb24131e9b4d3e5ab61..7a09312f31c442b71df617598b828c661fe35d9d 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -1212,6 +1212,7 @@
        pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
        bus-width = <4>;
        vmmc-supply = <&reg_wifi_3v3>;
+       post-power-on-delay-ms = <1000>;
        cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
        disable-wp;
        cap-sdio-irq;