Re: [PATCH v3 12/18] dt-bindings: Add PLX Technology OXNAS pinctrl and gpio bindings

Linus Walleij
2016-03-31T08:58:20Z

On Fri, Mar 25, 2016 at 3:48 PM, Rob Herring <robh@kernel.org> wrote:
> On Thu, Mar 24, 2016 at 05:50:09PM +0100, Neil Armstrong wrote:
>> Add pinctrl and gpio DT bindings for PLX Technology OXNAS SoC Family.
>> This version supports the ARM926EJ-S based OX810SE SoC with 34 IO pins.
>>
>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

>> + - plxtech,gpio-bank: Specifies which bank a controller owns.
>
> How is this used?

That is used to give a unique ID number to the bank.

Hardware often need this to cross-reference pin controllers
to GPIO banks.

I should add it as "gpio-bank" to the generic bindings
instead, several platforms already use this and there is
no point in having a vendor prefix in front of it.

Yours,
Linus Walleij