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imx6UL mmc wp

Question asked by Anantha Ramachandran on Sep 21, 2018

Hi,

 

I'm using i.MX6UL processor. I want to enable write protection for the usdhc1 [mmc].

But setting the register MX6UL_PAD_CSI_DATA04__USDHC1_WP to proper value. but still seeing write protection is not enabled for the sd card connected.

 

I even tried adding following line to DTS file:

 

&usdhc1 {
    pinctrl-names = "default";
    pinctrl-0 = <&pinctrl_usdhc1>;
    cd-gpios = <&gpio2 21 0>;
    wp-gpios = <&gpio4 25 0>;
    no-1-8-v;
    keep-power-in-suspend;
    enable-sdio-wakeup;
    status = "okay";
};

 

But still it didnt work.

 

Am I missing any setting further? Can you please help me out.

 

BR,

Anantha R

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