The MMC slot uses GPIO pins for Write Protext and Card Detect. Define these so everything works correctly. Signed-off-by: Mark Jackson <mpfj@xxxxxxxxxxxxx> --- arch/arm/boot/dts/am335x-nano.dts | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts index 2be831927af6..728164298a5e 100644 --- a/arch/arm/boot/dts/am335x-nano.dts +++ b/arch/arm/boot/dts/am335x-nano.dts @@ -418,8 +418,9 @@ &mmc1 { pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; bus-width = <4>; - cd-gpios = <&gpio3 8 0>; - wp-gpios = <&gpio3 18 0>; + cd-debounce-delay-ms = <5>; + cd-gpios = <&gpio3 8 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>; }; #include "tps65217.dtsi" -- 2.34.1