[PATCH v3] ARM: bcm2835: Add names for the Raspberry Pi GPIO lines

Eric Anholt eric at anholt.net
Mon Oct 31 10:53:15 PDT 2016


Stefan Wahren <stefan.wahren at i2se.com> writes:

> Hi Eric,
>
>> Eric Anholt <eric at anholt.net> hat am 27. Oktober 2016 um 18:52 geschrieben:
>> 
>> 
>> From: Linus Walleij <linus.walleij at linaro.org>
>> 
>> The idea is to give useful names to GPIO lines that an implementer
>> will be using from userspace, e.g. for maker type projects.  These are
>> user-visible using tools/gpio/lsgpio.c
>
> sorry for the late feedback, but did you check your patch against the Firmware
> DTS [1]?
>
> As an example the GPIO38 is connected and named as USB_LIMIT_1A2 since Raspberry
> Pi 1 B Plus.
>
> [1] -
> https://github.com/raspberrypi/documentation/blob/master/configuration/images/dt-blob.dts

I did use the dt-blob sometimes for cross-checking, but these are
written against the schematics, not the dt-blob.  If you've got things
you'd like changed, could you send a patch?
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