Re: [PATCH V4 3/3] soc/tegra: pmc: Add support for IO pads power state and voltage

From: Jon Hunter
Date: Sun May 08 2016 - 08:14:12 EST



On 06/05/16 16:32, Laxman Dewangan wrote:
>
> On Friday 06 May 2016 08:07 PM, Jon Hunter wrote:
>> On 06/05/16 11:45, Laxman Dewangan wrote:
>> +
>> + /* Last entry */
>> + TEGRA_IO_PAD_MAX,
>> Nit should these be TEGRA_IO_PADS_xxx?
>
> Because this was name of single pad and hence I said TEGRA_IO_PAD_XXX.

Aren't these used to set the voltage level and power state for the
entire group of IOs? Confused :-(

>>> +};
>>> +
>>> +/* tegra_io_pads_source_voltage: The voltage level of IO rails which
>>> source
>>> + * the IO pads.
>>> + */
>>> +enum tegra_io_pads_source_voltage {
>>> + TEGRA_IO_PADS_SOURCE_VOLTAGE_1800000UV,
>>> + TEGRA_IO_PADS_SOURCE_VOLTAGE_3300000UV,
>>> +};
>> Nit I wonder if we can make this shorter ...
>>
>> enum tegra_io_pads_vconf {
>> TEGRA_IO_PADS_VCONF_1V8,
>> TEGRA_IO_PADS_VCONF_3V3,
>
> This looks good but for voltage and current, unit is used uV/uV across
> the system. So wanted to have same unit.

Now it is an enum does it matter? Or maybe just have ...

enum tegra_io_pads_vconf {
TEGRA_IO_PADS_1800000UV,
TEGRA_IO_PADS_3300000UV,
};

Cheers
Jon