Hi, On Fri, May 06, 2016 at 01:10:20PM +0200, Christian Lamparter wrote: > +static int bgpio_basic_mmio_parse_dt(struct platform_device *pdev, > + struct bgpio_pdata *pdata, > + unsigned long *flags) > +{ > + struct device *dev = &pdev->dev; > + int err; > + > + pdata->base = -1; > + /* If ngpio property is not specified, of_property_read_u32 > + * will return -EINVAL. In this case the number of GPIOs is > + * automatically determined by the register width. Any > + * other error of of_property_read_u32 is due bad data and > + * needs to be dealt with. > + */ > + err = of_property_read_u32(dev->of_node, "ngpio", &pdata->ngpio); > + if (err && err != -EINVAL) > + return err; > + > + if (of_device_is_big_endian(dev->of_node)) > + *flags |= BGPIOF_BIG_ENDIAN_BYTE_ORDER; > + > + if (of_property_read_bool(dev->of_node, "unreadable-reg-set")) > + *flags |= BGPIOF_UNREADABLE_REG_SET; > + > + if (of_property_read_bool(dev->of_node, "unreadable-reg-dir")) > + *flags |= BGPIOF_UNREADABLE_REG_DIR; > + > + if (of_property_read_bool(dev->of_node, "big-endian-byte-order")) > + *flags |= BGPIOF_BIG_ENDIAN; > + > + if (of_property_read_bool(dev->of_node, "read-output-reg-set")) > + *flags |= BGPIOF_READ_OUTPUT_REG_SET; > + > + if (of_property_read_bool(dev->of_node, "no-output")) > + *flags |= BGPIOF_NO_OUTPUT; > + return 0; > +} Other than no-output, none of these are in the wd,mbl-gpio binding. Please remove them for now. We can add them as/when other users of this binding appear and begin to need them. Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html