Re: [PATCH] arm: dts: am33xx-bone-common: add gpio-line-names
From: Felipe Balbi
Date: Mon May 18 2020 - 04:18:47 EST
Linus Walleij <linus.walleij@xxxxxxxxxx> 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.
--
balbi
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