linux-imx

     * Duplicated SYS_MCI pseudo-GPIO controller for compatibility with

     * older trees using sysreg node for MMC control lines.

     */

    mmc_gpio_chip = devm_kzalloc(&pdev->dev, sizeof(*mmc_gpio_chip),

            GFP_KERNEL);

    if (!mmc_gpio_chip)

        return -ENOMEM;

    bgpio_init(mmc_gpio_chip, &pdev->dev, 0x4, base + SYS_MCI,

            NULL, NULL, NULL, NULL, 0);

    mmc_gpio_chip->ngpio = 2;

​

    return mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO,

            vexpress_sysreg_cells,

            ARRAY_SIZE(vexpress_sysreg_cells), mem, 0, NULL);

}

​

static const struct of_device_id vexpress_sysreg_match[] = {

    { .compatible = "arm,vexpress-sysreg", },

    {},

};