From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric@anholt.net (Eric Anholt) Date: Thu, 20 Oct 2016 10:04:14 -0700 Subject: [PATCH v2] ARM: bcm2835: Add names for the Raspberry Pi GPIO lines In-Reply-To: References: Message-ID: <87eg3bvto1.fsf@eliezer.anholt.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Linus Walleij writes: > On Tue, Oct 18, 2016 at 10:44 PM, Gottfried Haider > >> Regarding the proposed format using the header pin numbers: From what I've >> seen in terms of existing educational materials, it seems the overwhelming >> majority ends up using GPIO numbers instead of physical pin header >> numbering. (e.g. [1] [2]) > > What does that number mean? If you are referring to the global > GPIO numberspace it is obsolete and just reflecting the fact that > people up until now was referring to Linux-internal GPIO numbers. The number within the SOC's GPIOs. Until the 8-line expander that's been hung off the SOC GPIOs in the Pi3, they were the only GPIOs in the system. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 800 bytes Desc: not available URL: