Function regulator_fixed_probe

components/drivers/regulator/regulator-fixed.c:93–149

};

static rt_err_t regulator_fixed_probe(struct rt_platform_device *pdev)
{
    rt_err_t err;
    rt_uint32_t val;
    struct rt_device *dev = &pdev->parent;
    struct regulator_fixed *rf = rt_calloc(1, sizeof(*rf));
    struct rt_regulator_node *rnp;

    if (!rf)
    {
        return -RT_ENOMEM;
    }

    regulator_ofw_parse(dev->ofw_node, &rf->param);

    rnp = &rf->parent;
    rnp->supply_name = rf->param.name;
    rnp->ops = &regulator_fixed_ops;
    rnp->param = &rf->param;
    rnp->dev = &pdev->parent;

    rf->enable_pin = rt_pin_get_named_pin(dev, "enable", 0, RT_NULL, RT_NULL);

    if (rf->enable_pin < 0)
    {
        rf->enable_pin = rt_pin_get_named_pin(dev, RT_NULL, 0, RT_NULL, RT_NULL);
    }

    if (rf->enable_pin < 0)
    {
        rf->enable_pin = -1;
    }

    rt_pin_ctrl_confs_apply(dev, 0);

    if (!rt_dm_dev_prop_read_u32(dev, "startup-delay-us", &val))
    {
        rf->param.enable_delay = val;
    }

    if (!rt_dm_dev_prop_read_u32(dev, "off-on-delay-us", &val))
    {
        rf->param.off_on_delay = val;
    }

    if ((err = rt_regulator_register(rnp)))
    {
        goto _fail;
    }

    return RT_EOK;

_fail:
    rt_free(rf);

    return err;
}