diff options
author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2021-07-13 15:28:35 +0300 |
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committer | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2021-07-13 16:04:02 +0300 |
commit | 0560b5b704924e23c52772cc83c7b9e74537fb5f (patch) | |
tree | 44cdda275b445b33943798ee6915613a92452982 | |
parent | a2e5dc80229e114cee12a54c4717f9b2a31546c6 (diff) |
ARM: dts: colibri-imx6ull: limit SDIO clock to 25MHz
NXP and AzureWave don't recommend using SDIO bus mode 3.3V@50MHz due
to noise affecting the wireless throughput. Colibri iMX6ULL uses only
3.3V signaling for Wi-Fi module AW-CM276NF.
Limit the SDIO Clock on Colibri iMX6ULL to 25MHz.
Related-to: ELB-4005
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
-rw-r--r-- | arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi index 432276037788..ee36a53b445c 100644 --- a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi +++ b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi @@ -179,6 +179,7 @@ assigned-clock-rates = <0>, <198000000>; cap-power-off-card; keep-power-in-suspend; + max-frequency = <25000000>; mmc-pwrseq = <&wifi_pwrseq>; no-1-8-v; non-removable; |