[PATCH v1 2/4] pinctrl: mvebu: pinctrl driver for 98DX2530 SoC

Chris Packham Chris.Packham at alliedtelesis.co.nz
Thu Mar 10 13:51:37 PST 2022


On 11/03/22 02:59, Andrew Lunn wrote:
> On Thu, Mar 10, 2022 at 04:00:37PM +1300, Chris Packham wrote:
>> This pinctrl driver supports the 98DX25xx and 98DX35xx family of chips
>> from Marvell. It is based on the Marvell SDK with additions for various
>> (non-gpio) pin configurations based on the datasheet.
>>
>> Signed-off-by: Chris Packham <chris.packham at alliedtelesis.co.nz>
> Hi Chris
>
> Past experience with pinctrl and gpio for mvebu is that developers get
> GPI and GPO pins wrong. Are there any pins which are not GPIO but only
> a subset, so only GPI or GPO?
According to the datasheet they are all GPIO. Some are sampled at reset 
so have notes about being careful not to drive them differently during 
reset.
>    Andrew


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