On 01/19/2015 12:01 PM, Stefan Wahren wrote:
Hi Stephen,
Stephen Warren <swarren@xxxxxxxxxxxxx> hat am 19. Januar 2015 um 18:13
geschrieben:
On 01/19/2015 04:00 AM, Stefan Wahren wrote:
This patch adds root compatible properties for the following boards:
- Raspberry Pi Model A
- Raspberry Pi Model A+
- Raspberry Pi Model B
- Raspberry Pi Model B (no P5)
- Raspberry Pi Model B rev2
- Raspberry Pi Model B+
- Raspberry Pi Compute Module
Acked-by: Stephen Warren <swarren@xxxxxxxxxxxxx>
This seems sane to me. One thing I should have asked: What compatible
values does the RPi Foundation's downstream for all these cases?
good point. Unfortunately my patches to linux-rpi-kernel are held back because
of too many recipients, so it's possible that someone complain later.
I have looked at chapter 3.1 in [1], but didn't find the any other variants than
B and B+:
Here, the presence or absence of the "-plus" is the significant thing, not the
"b" -- Model A's and A+'s will
use the "b" and "b-plus" variants, respectively.
Also in the newest branch [2]:
bcm2835-rpi-b.dts -> model = Raspberry Pi Model B
bcm2708-rpi-b.dts -> model = Raspberry Pi Model B
bcm2708-rpi-b-plus.dts -> model = Raspberry Pi Model B+
Sorry, i don't have any experience with the downstream kernel. So please correct
me if looked at the wrong places.
[1] -
https://github.com/raspberrypi/documentation/blob/master/configuration/device-tree.md
[2] - https://github.com/raspberrypi/linux/tree/rpi-3.18.y/
This all matches what I found. I think differentiating between A/B and
A+/B+ makes sense, so the compatible values in your patch should be
fine; I'll reply to v2 in just a minute.
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