[linux-sunxi] Re: [PATCH v3 3/4] mfd: axp20x: Add a cell for the usb power_supply part of the axp20x PMICs

Hans de Goede hdegoede at redhat.com
Tue Jul 7 02:49:48 PDT 2015


Hi,

On 07-07-15 09:01, Lee Jones wrote:
> On Fri, 26 Jun 2015, Hans de Goede wrote:
>
>> Add a cell for the usb power_supply part of the axp20x PMICs.
>>
>> Note that this cell is only for the usb power_supply part and not the
>> ac-power / battery-charger / rtc-backup-bat-charger bits.
>>
>> Depending on the board each of those must be enabled / disabled separately
>> in devicetree as most boards do not use all 4. So in dt each one needs its
>> own child-node of the axp20x node. Another reason for using separate child
>> nodes for each is so that other devicetree nodes can have a power-supply
>> property with a phandle referencing a node representing a single
>> power-supply.
>>
>> The decision to use a separate devicetree node for each is reflected on
>> the kernel side by each getting its own mfd-cell / platform_device and
>> platform-driver.
>>
>> Note this commit also makes some whitespace changes to the intialization
>> of existing cells in axp20x_cells, these are pure whitespace changes,
>> functionally nothing changes.
>>
>> Cc: Bruno Prémont <bonbons at linux-vserver.org>
>> Acked-by: Lee Jones <lee.jones at linaro.org>
>> Signed-off-by: Bruno Prémont <bonbons at linux-vserver.org>
>> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
>> ---
>> Changes in v2:
>> -Use DEFINE_RES_IRQ_NAMED
>> -Change indentation of axp20x_cells initializers to avoid line wrapping
>> Changes in v3:
>> -Improve commit message
>> -Add Bruno's S-o-b
>> ---
>>   drivers/mfd/axp20x.c | 20 ++++++++++++++++----
>>   1 file changed, 16 insertions(+), 4 deletions(-)
>
> For my own reference:
>    Acked-by: Lee Jones <lee.jones at linaro.org>
>
> Are these two patches tied to any other in the set, or can I apply
> them separately?

You can apply them seperately, thanks.

I'm wondering who will take care of upstreaming the first patch of this
set: "ARM: dts: Add binding documentation for AXP20x pmic usb power supply"

If you can take that one too that would be great.

Regards,

Hans



More information about the linux-arm-kernel mailing list