Hi Chen-Yu,
On 07/12/2017 09:54, Chen-Yu Tsai wrote:
> On Thu, Dec 7, 2017 at 4:51 PM, Quentin Schulz
> <quentin.schulz@xxxxxxxxxxxxxxxxxx> wrote:
>> Hi Maxime,
>>
>> On 05/12/2017 09:08, Maxime Ripard wrote:
>>> On Mon, Dec 04, 2017 at 03:12:49PM +0100, Quentin Schulz wrote:
>>>> This makes the axp20x_adc driver probe with platform device id
>>>> "axp813-adc".
>>>>
>>>> Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx>
>>>> ---
>>>> drivers/mfd/axp20x.c | 4 +++-
>>>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
>>>> index 2468b43..42e54d1 100644
>>>> --- a/drivers/mfd/axp20x.c
>>>> +++ b/drivers/mfd/axp20x.c
>>>> @@ -878,7 +878,9 @@ static struct mfd_cell axp813_cells[] = {
>>>> .resources = axp803_pek_resources,
>>>> }, {
>>>> .name = "axp20x-regulator",
>>>> - }
>>>> + }, {
>>>> + .name = "axp813-adc",
>>>> + },
>>>
>>> Any particular reason you're not adding it to the DT?
>>>
>>
>> No, no particular reason. It's just the way it is currently for AXP209
>> and AXP22x so did the same for AXP813.
>>
>> I'll add DT "support" in next version for all AXPs supported by this
>> driver. Or is it worthy of a small separate patch series?
>
> IIRC there's no DT support because there's no need to reference
> it in the device tree.
>
No current need but that does not mean there won't be a need later for
drivers to map IIO channels from the ADC driver (i.e. some components
wired to GPIOs of the PMIC for example).
Quentin
--
Quentin Schulz, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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