Re: [PATCH] ARM: dts: da850: use gpio-ranges
From: Sekhar Nori
Date: Fri Feb 23 2018 - 06:46:15 EST
On Thursday 22 February 2018 09:04 PM, Linus Walleij wrote:
> On Mon, Feb 19, 2018 at 11:29 PM, David Lechner <david@xxxxxxxxxxxxxx> wrote:
>
>> This makes use of the gpio-ranges feature that connects GPIO
>> controllers and PINMUX controllers.
>>
>> In da850.dtsi, pinctrl-single,gpio-range is added to the pinmux node
>> and gpio-ranges is added to the GPIO node. Unfortunately, the way the
>> pinctrl-single driver enumerates the pins (starting with LSB) causes
>> them to be in reverse order compared to the way the gpios are assigned.
>> As a result, we have to declare the mapping for each GPIO individually.
>>
>> This also lets us remove all of the GPIO pinmuxes from
>> da850-lego-ev3.dts. (Other da850 boards do not currently have any
>> GPIO pinmuxes declared.)
>>
>> Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
>
> Nice,
> Acked-by: Linus Walleij <linus.wallei@xxxxxxxxxx>
Looks good to me too. And quite painstakingly done!
I suppose this needs to wait a bit due to the dependencies? Let me know
once its okay to merge.
Thanks,
Sekhar