We have developed a custom base board based on nano SOM . In which we haveSD card as a peripheral , normal class 4 high speed sd card is detected properly .But when we connect an UHS 1 SD card , we are getting and error stated below and the card is not even detected.
mmc1: error -110 whilst initialising SD card
I have added below the the dtb properties I have used.Please let me know If I have missed something.
status = “okay”;
cd-gpios = <&gpio TEGRA_GPIO(Z, 2) 0>;
// max-clk-limit = <400000>;
nvidia,voltage-switch-gpio = <&gpio TEGRA_GPIO(C, 4) 0>;
mmc-ocr-mask = <0x03>;
Thanks In Advance,