From a95fbda08ee20cd063ce5826e0df95a2c22ea8c5 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Mon, 12 Aug 2019 14:21:17 +0000 Subject: ARM: dts: imx7-colibri: disable HS400 Force HS200 by masking bit 63 of the SDHCI capability register. The i.MX ESDHC driver uses SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400. With that the stack checks bit 63 to descide whether HS400 is available. Using sdhci-caps-mask allows to mask bit 63. The stack then selects HS200 as operating mode. This prevents rare communication errors with minimal effect on performance: sdhci-esdhc-imx 30b60000.usdhc: warning! HS400 strobe DLL status REF not lock! Signed-off-by: Stefan Agner Signed-off-by: Philippe Schenker Reviewed-by: Oleksandr Suvorov Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx7-colibri.dtsi | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm/boot/dts/imx7-colibri.dtsi') diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi index 1228ee33bca9..f43f332f5799 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -321,6 +321,7 @@ vmmc-supply = <®_module_3v3>; vqmmc-supply = <®_DCDC3>; non-removable; + sdhci-caps-mask = <0x80000000 0x0>; }; &iomuxc { -- cgit