Setup kernel menuconfig in yocto

[jyijyi]

you can see this as an example on how to change the SDIO voltage:

Bringup of TI Talon [wl18xx] wifi IOT module on WP7607 Custom Board

arch/arm/boot/dts/qcom/mdm9607-regulator.dtsi change the regulator l13 init-voltage from 2.85 to 1.8v regulator-name = “mdm9607_l13”; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <2850000>; qcom,init-voltage = <2850000>; qcom,init-voltage = <1800000>; status = "okay"; }; }; in /arch/arm/boot/dts/qcom/mdm9607-wp76xx.dtsi Change the voltage levels. &sdhc_2 { vdd-supply = <&sdcard_ext_vreg>; …