arm64: dts: imx8mq-librem5: Limit the max sdio frequency

This is needed for the 1LV Cyress WiFi module to probe correctly.
It also helps improve GNSS sensitivity.

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 396eb44342297062dce881cbb37545d0851c5fba..d86486fd659d7bfb4cc0cb8cb9f834b8f6ecde57 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -1237,6 +1237,7 @@
        mmc-pwrseq = <&usdhc2_pwrseq>;
        post-power-on-delay-ms = <1000>;
        cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+       max-frequency = <50000000>;
        disable-wp;
        cap-sdio-irq;
        keep-power-in-suspend;