wlan_en_reg: fixedregulator@2 {
        compatible = "regulator-fixed";
        regulator-name = "wlan-en-regulator";
        regulator-min-microvolt = <1800000>;
        regulator-max-microvolt = <1800000>;
 
        /* WLAN_EN GPIO for this board - Bank A, pin 4 */
        gpio = <&pioA 4 0>;
 
        /* WLAN card specific delay */
        startup-delay-us = <70000>;
        enable-active-high;
    };
 
    wlcore {
                compatible = "wlcore";
                gpio = <14>; /* Bank A, pin 14 connected to IRQ line of WL1835MOD */
 
                /*
                 * TODO: use edge irqs for suspend/resume.
                 * in newer kerenls, we seem to miss interrupts when
                 * working with edge irqs, so revert back to level irqs.
                 */
                platform-quirks = <1>;
 
                /* if a 12xx card is there, configure the clock to
                   WL12XX_REFCLOCK_38_XTAL */
                /*
                board-ref-clock = <4>;
                */
 
                /* For WL1835MOD, WL12XX_REFCLOCK_26_XTAL */
                board-ref-clock = <5>;
    };
 
    kim {
                compatible = "kim";
                nshutdown_gpio = <29>; /* Bank A, pin 29 */
                dev_name = "/dev/ttyO1";
                flow_cntrl = <1>;
                baud_rate = <3000000>;
    };
 
    btwilink {
                compatible = "btwilink";
    };

---------------------------------------------------------- 
 
Inside apb, ahb:
 
        mmc0: mmc@f0008000 {
            status = "okay";
            vmmc-supply = <&wlan_en_reg>;
            non-removable;
            cap-power-off-card;
            keep-power-in-suspend;
        };