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Re: [Qemu-devel] [PATCH v3 2/2] ssi: Name the CS GPIO.
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH v3 2/2] ssi: Name the CS GPIO. |
Date: |
Fri, 9 May 2014 17:56:20 +0100 |
On 8 May 2014 07:59, Peter Crosthwaite <address@hidden> wrote:
> To get it out of the default GPIO list. This allows child devices to
> use the un-named GPIO namespace without having to be SSI aware. That
> is, there is no more need for machines to know about the obscure
> policy where GPIO 0 is the SSI chip-select and GPIO 1..N are the
> concrete class GPIOs (defined locally as 0..N-1).
>
> This is most notable is stellaris, which uses a device which has both
> SSI and concrete level GPIOs.
>
> Signed-off-by: Peter Crosthwaite <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
-- PMM