On Wed, Jun 05, 2024 at 06:12:46PM -0500, Danny Kaehn wrote:
> Support describing the CP2112's I2C and GPIO interfaces in firmware.
>
> The GPIO chip shares a firmware node with the CP2112. The I2C child
> node can either be a child with the name "i2c" or, in ACPI, a device
> node with _ADR Zero.
...
> + device_for_each_child_node(&hdev->dev, child) {
> + ret = acpi_get_local_address(ACPI_HANDLE_FWNODE(child), &addr);
> + if (ret) {
> + name = fwnode_get_name(child);
> + if (!name)
> + continue;
> + ret = match_string(cp2112_cell_names,
> + ARRAY_SIZE(cp2112_cell_names), name);
> + if (ret < 0)
> + continue;
> + addr = ret;
> + }
> +
> + switch (addr) {
> + case CP2112_I2C_ADR:
> + device_set_node(&dev->adap.dev, child);
> + break;
default:
break;
?
> + }
> + }
--
With Best Regards,
Andy Shevchenko
