2021-09-13 14:05:59

by Martin Kepplinger

[permalink] [raw]
Subject: [PATCH v1 6/6] arm64: dts: imx8mq-librem5: Limit the max sdio frequency

From: Angus Ainslie <[email protected]>

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

Signed-off-by: Angus Ainslie <[email protected]>
Signed-off-by: Martin Kepplinger <[email protected]>
---
arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 65c86fbbd6d1..a7b6ea93fbac 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -1238,6 +1238,7 @@ &usdhc2 {
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;
--
2.30.2