Re: Raspberry Pi GPIO

2020-04-27 Thread Mark Kettenis
> Date: Mon, 27 Apr 2020 12:33:24 +0100 > From: Stuart Henderson > > On 2020/04/26 12:56, Mark Kettenis wrote: > > Diff below adds GPIO support to bcmgpio(4). It also adds the bits to > > attach gpio(4) such that GPIO pins can be controlled from userland. > > This makes sense on boards like the

Re: Raspberry Pi GPIO

2020-04-27 Thread Stuart Henderson
On 2020/04/26 12:56, Mark Kettenis wrote: > Diff below adds GPIO support to bcmgpio(4). It also adds the bits to > attach gpio(4) such that GPIO pins can be controlled from userland. > This makes sense on boards like the Raspberry Pi and the > implementation makes sure that pins used by kernel dri

Raspberry Pi GPIO

2020-04-26 Thread Mark Kettenis
Diff below adds GPIO support to bcmgpio(4). It also adds the bits to attach gpio(4) such that GPIO pins can be controlled from userland. This makes sense on boards like the Raspberry Pi and the implementation makes sure that pins used by kernel drivers can't be touched. ok? Index: arch/arm64/co