From 7dc62dcadd6d26ddb6464ed50e7cc8b04e6f9e93 Mon Sep 17 00:00:00 2001 From: Philippe Schenker Date: Mon, 30 Mar 2020 13:20:29 +0200 Subject: ARM64: dts: verdin-imx8mm: Cap usdhc2 clock to 100mhz There is a hardware issue with the clock lines. It barely works with 200MHz with SD-Cards but not with SDIO cards. Therefore put a safe value in there until the hardware issue is resolved Related-to: ELB-1974 Related-to: HAR-3252 Signed-off-by: Philippe Schenker --- arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi index 6619f05b694e..c29bdebc139d 100644 --- a/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi @@ -766,6 +766,7 @@ fsl,tuning-start-tap = <20>; fsl,tuning-step= <2>; bus-width = <4>; + max-frequency = <100000000>; status = "disabled"; }; -- cgit v1.2.3