[PATCH v4 2/2] mfd: axp20x: Add a cell for the usb power_supply part of the axp20x PMICs

Hans de Goede hdegoede at redhat.com
Wed Aug 12 03:20:15 PDT 2015


Hi,

On 12-08-15 11:29, Lee Jones wrote:
> On Wed, 12 Aug 2015, Hans de Goede wrote:
>
>> Hi,
>>
>> On 11-08-15 16:18, Lee Jones wrote:
>>> On Sat, 08 Aug 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>
>>>> Signed-off-by: Bruno Prémont <bonbons at linux-vserver.org>
>>>> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
>>>> Acked-by: Maxime Ripard <maxime.ripard at free-electrons.com>
>>>> Acked-by: Lee Jones <lee.jones at linaro.org>
>>>> ---
>>>> 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(-)
>>>
>>> Applied, thanks.
>>
>> Great, but I'm not seeing this in:
>>
>> https://git.kernel.org/cgit/linux/kernel/git/lee/mfd.git/log/?h=for-mfd-next
>
> Well it does usually take me a day or two push my local branch out,
> however in this case I had actually dropped a ball somewhere.  I've
> been through my backlog of 'applied' patches and these two are the
> only ones I failed to pick.  I have now, re-picked, re-applied and
> pushed the branch out.  Let me know if something is still not right.

Looks good now, thanks.

> Sorry for the inconvenience.

No problem, thanks for all the great work you are doing on maintaining
the mfd subsys.

Regards,

Hans


>
>>>> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
>>>> index d9f2f96..3f576b7 100644
>>>> --- a/drivers/mfd/axp20x.c
>>>> +++ b/drivers/mfd/axp20x.c
>>>> @@ -140,6 +140,13 @@ static struct resource axp20x_pek_resources[] = {
>>>>   	},
>>>>   };
>>>>
>>>> +static struct resource axp20x_usb_power_supply_resources[] = {
>>>> +	DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
>>>> +	DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
>>>> +	DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_VALID, "VBUS_VALID"),
>>>> +	DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"),
>>>> +};
>>>> +
>>>>   static struct resource axp22x_pek_resources[] = {
>>>>   	{
>>>>   		.name   = "PEK_DBR",
>>>> @@ -432,11 +439,16 @@ static const struct regmap_irq_chip axp288_regmap_irq_chip = {
>>>>
>>>>   static struct mfd_cell axp20x_cells[] = {
>>>>   	{
>>>> -		.name			= "axp20x-pek",
>>>> -		.num_resources		= ARRAY_SIZE(axp20x_pek_resources),
>>>> -		.resources		= axp20x_pek_resources,
>>>> +		.name		= "axp20x-pek",
>>>> +		.num_resources	= ARRAY_SIZE(axp20x_pek_resources),
>>>> +		.resources	= axp20x_pek_resources,
>>>>   	}, {
>>>> -		.name			= "axp20x-regulator",
>>>> +		.name		= "axp20x-regulator",
>>>> +	}, {
>>>> +		.name		= "axp20x-usb-power-supply",
>>>> +		.of_compatible	= "x-powers,axp202-usb-power-supply",
>>>> +		.num_resources	= ARRAY_SIZE(axp20x_usb_power_supply_resources),
>>>> +		.resources	= axp20x_usb_power_supply_resources,
>>>>   	},
>>>>   };
>>>>
>>>
>



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