According to i.MXRT1050 Datasheet usdhc supports up to 200Mhz clock so
let's increase max-frequency property to 200Mhz.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Acked-by: Jesse Taube <mr.bossman075@gmail.com>
---
V1->V2:
* set max-frequency to 200Mhz instead of removing it as suggested by
  Bough Chen
V2->V3:
* added Jesse Taube's Acked-by:
V3->V4:
* added forgotten [PATCH V4] in subject
---
 arch/arm/boot/dts/imxrt1050.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imxrt1050.dtsi b/arch/arm/boot/dts/imxrt1050.dtsi
index 8768715adda4..fb531542609b 100644
--- a/arch/arm/boot/dts/imxrt1050.dtsi
+++ b/arch/arm/boot/dts/imxrt1050.dtsi
@@ -93,7 +93,7 @@ usdhc1: mmc@402c0000 {
 			bus-width = <4>;
 			fsl,wp-controller;
 			no-1-8-v;
-			max-frequency = <4000000>;
+			max-frequency = <200000000>;
 			fsl,tuning-start-tap = <20>;
 			fsl,tuning-step = <2>;
 			status = "disabled";
-- 
2.34.1

On Wed, Dec 14, 2022 at 05:38:17PM +0100, Giulio Benetti wrote:
> According to i.MXRT1050 Datasheet usdhc supports up to 200Mhz clock so
> let's increase max-frequency property to 200Mhz.
> 
> Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
> Acked-by: Jesse Taube <mr.bossman075@gmail.com>

Applied, thanks!