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authorStefan Agner <stefan.agner@toradex.com>2018-09-27 15:05:54 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-02-09 22:45:42 +0100
commit3fe1dff21bf68eaf2e268123e96d16269e285726 (patch)
tree4507093667b53467de98bbb03f845bbffdbaf6c2 /arch
parent94b95cb5edf9e5c1e26150cefba5c9ada87c0ee0 (diff)
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 <stefan.agner@toradex.com> Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> (cherry picked from commit cf7097961efb6c93945b940065375ede1e03b254)
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/imx7-colibri.dtsi1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index 29f4aacceb3e..83d393d8088f 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -325,6 +325,7 @@
vmmc-supply = <&reg_module_3v3>;
vqmmc-supply = <&reg_DCDC3>;
non-removable;
+ sdhci-caps-mask = <0x80000000 0x0>;
};
&iomuxc {