diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2019-08-12 17:21:17 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2019-08-19 14:15:54 +0300 |
| commit | a95fbda08ee20cd063ce5826e0df95a2c22ea8c5 (patch) | |
| tree | 302145e2dff840b15dccf152f24806ee74e6f68a /arch/arm/boot/dts/imx7-colibri.dtsi | |
| parent | 037ab580f07568425b991ad0e97674e79bbeea5c (diff) | |
| download | linux-a95fbda08ee20cd063ce5826e0df95a2c22ea8c5.tar.xz | |
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>
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx7-colibri.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx7-colibri.dtsi | 1 |
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 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 { |