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SubjectRe: [PATCH] arm: dts: am33xx-bone-common: add gpio-line-names
On Mon, May 18, 2020 at 10:18 AM Felipe Balbi <balbi@kernel.org> wrote:
> Linus Walleij <linus.walleij@linaro.org> writes:
> >> gpiochip0 - 32 lines:
> >> line 0: "ethernet" unused input active-high
> >> line 1: "ethernet" unused input active-high
> >
> > Why are the ethernet lines not tagged with respective signal name
> > when right below the SPI lines are explicitly tagged with
> > sclk, cs0 etc?
> >
> > Ethernet is usually RGMII and has signal names like
> > tx_clk, tx_d0, tx_en etc.
> >
> > Also some lines seem to be tagged with the pin number
> > like P9_22, P2_21 below, it seems a bit inconsistent
> > to have much information on some pins and very sketchy
> > information on some.
>
> the pin names match the beagle bone documentation and would help users
> figure out which pins on the expansion headers match to a gpio signal.

OK if it is how it looks in the documentation I agree that is what
users need, maybe the documentation is confusing but there is not
much to do about that.

Yours,
Linus Walleij

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