ARCH/ARM/MACH-OMAP2/DEVICE.C

############ Platform Data Setup ################

#if IS_ENABLED(CONFIG_BRCMFMAC)

#define BRCM_WL_HOST_WAKE_GPIO  GPIO_TO_PIN(3, 18)

static void brcmfmac_power_on(void)
{
}

static void brcmfmac_power_off(void)
{
}

static void brcmfmac_reset(void)
{
}

static struct brcmfmac_sdio_platform_data brcmfmac_sdio_pdata = {
        .power_on               = brcmfmac_power_on,
        .power_off              = brcmfmac_power_off,
        .reset                  = brcmfmac_reset
};

static struct platform_device brcmfmac_device = {
        .name                   = BRCMFMAC_SDIO_PDATA_NAME,
        .id                     = PLATFORM_DEVID_NONE,
        .dev.platform_data      = &brcmfmac_sdio_pdata
};

void __init wlan_init_brcm_of(void)
{
       if (!of_have_populated_dt())
                return;

        printk("BroadCom WLAN Platform Registration\n");
        brcmfmac_sdio_pdata.oob_irq_supported = true;
        brcmfmac_sdio_pdata.oob_irq_nr = gpio_to_irq(BRCM_WL_HOST_WAKE_GPIO);
        brcmfmac_sdio_pdata.oob_irq_flags = IORESOURCE_IRQ |
                                            IORESOURCE_IRQ_HIGHLEVEL;

        platform_device_register(&brcmfmac_device);
}
#else
static inline void wlan_init_brcm_of(void)
{
}
#endif
                                                                                                                          
static int __init omap2_init_devices(void)
{
        /* Enable dummy states for those platforms without pinctrl support */
        if (!of_have_populated_dt())
                pinctrl_provide_dummies();

        /*
         * please keep these calls, and their implementations above,
         * in alphabetical order so they're easier to sort through.
         */
        omap_init_audio();
        omap_init_camera();
        omap_init_hdmi_audio();
        /* If dtb is there, the devices will be created dynamically */
        if (!of_have_populated_dt()) {
                omap_init_mbox();
                omap_init_mcspi();
                omap_init_sham();
                omap_init_aes();
                omap_init_rng();
        } else {
                /* These can be removed when bindings are done */
                omap_init_wl12xx_of();
                wlan_init_brcm_of();
        }
        omap_init_sti();

        return 0;
}

########### DTS SETUP ######################################

vmmcsd_fixed: fixedregulator@0 {
                compatible = "regulator-fixed";
                regulator-name = "vmmcsd_fixed";
                regulator-min-microvolt = <3300000>;
                regulator-max-microvolt = <3300000>;
        };


am33xx_pinmux: pinmux@44e10800 {
                pinctrl-names = "default";
                pinctrl-0 = <&clkout2_pin &mmc2_pins &mmc2_brcmf_pins>;


                mmc2_pins: pinmux_mmc2_pins {
                pinctrl-single,pins = <
                        0x88 (PIN_INPUT_PULLUP | MUX_MODE3) /* mmc2-cmd  */
                        0x8C (PIN_INPUT_PULLUP | MUX_MODE3) /* mmc2-clk  */
                        0x118 (PIN_INPUT_PULLUP | MUX_MODE5) /* mmc2-dat0 */
                        0x11C (PIN_INPUT_PULLUP | MUX_MODE5) /* mmc2-dat1 */
                        0x120 (PIN_INPUT_PULLUP | MUX_MODE5) /* mmc2-dat2 */
                        0x108 (PIN_INPUT_PULLUP | MUX_MODE5) /* mmc2-dat3 */
                        >;
                };

                mmc2_brcmf_pins: pinmux_mmc2_brcmf_pins {
                pinctrl-single,pins = <
                        0x19C (PIN_OUTPUT | MUX_MODE7) /* brcmf-power */
                        0x1A0 (PIN_INPUT  | MUX_MODE7) /* oob-irq */
                        >;
                };
};

		ocp {

			wlan_reg: voltage-regulator {
                        compatible = "regulator-fixed";
                        regulator-name = "WL_REG_ON";
                        regulator-min-microvolt = <3300000>;
                        regulator-max-microvolt = <3300000>;
                        gpio = <&gpio3 17 0>;
                        enable-active-high;
                        };

                        wlan {
                        compatible = "brcm,bcm4334";
                        wlan-supply = <&wlan_reg>;
                        clocks = <&clk_32768_ck>;
                        clock-names = "32khz";
                        };
               };

&mmc3 {
        dmas = <&edma 12
                &edma 13>;
        dma-names = "tx", "rx";

        status = "okay";
        vmmc-supply = <&vmmcsd_fixed>;
        bus-width = <4>;
        ti,non-removable;
        ti,needs-special-hs-handling;
        cap-power-off-card;
        keep-power-in-suspend;

};

&edma {
        ti,edma-xbar-event-map = <1 12
                                  2 13>;
};