> The TPS65218 chip is a power management IC for Portable Navigation Systems
> and Tablet Computing devices. It contains the following components:
>
> - Regulators.
> - Over Temperature warning and Shut down.
>
> This patch adds support for tps65218 mfd device. At this time only
> the regulator functionality is made available.
>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
> drivers/mfd/Kconfig | 14 ++
> drivers/mfd/Makefile | 1 +
> drivers/mfd/tps65218.c | 281 +++++++++++++++++++++++++++++++++++++++++
> include/linux/mfd/tps65218.h | 288 ++++++++++++++++++++++++++++++++++++++++++
<snip>
> +config MFD_TPS65218
> + tristate "TI TPS65218 Power Management chips"
> + depends on I2C
> + select MFD_CORE
> + select REGMAP_I2C
> + help
> + If you say yes here you get support for the TPS65218 series of
> + Power Management chips.
> + These include voltage regulators, gpio and other features
> + that are often used in portable devices.
Perhaps you should add a note that only the regulator component is
currently supported.
<snip>
> new file mode 100644
> index 0000000..8c61640
> --- /dev/null
> +++ b/drivers/mfd/tps65218.c
> @@ -0,0 +1,281 @@
> +/*
> + * TPS65218 chip family multi-function driver
Instead of calling it an MFD driver (is there such a thing?) I think
you should mention its true purpose, as per the datasheet.
<snip>
> +static const struct of_device_id of_tps65218_match_table[] = {
> + { .compatible = "ti,tps65218", },
> + { /* end */ }
I think the end comment is superfluous.
However, if you _really_ want to put something in there, I dislike
"/* Sentinel */" the least.
> +static int tps65218_probe(struct i2c_client *client,
> + const struct i2c_device_id *ids)
> +{
<snip>
> + ret = of_platform_populate(client->dev.of_node, NULL, NULL,
> + &client->dev);
What are you trying to do here?
Register each regulator as a platform device?
<snip>
> +static const struct i2c_device_id tps65218_id_table[] = {
> + {"tps65218", TPS65218},
> +};
This has a different structure to of_tps65218_match_table, please
ensure they're the same. I prefer spaces after '{' and before '}'.
<snip>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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