[U-Boot] [PATCH 2/2] Add support the Avionic Design Meerkat COM and Kein Baseboard

Stephen Warren swarren at wwwdotorg.org
Mon Feb 29 17:48:21 CET 2016


On 02/29/2016 03:20 AM, Julian Scheel wrote:
> Hi Stephen,
>
> On 23.02.2016 19:03, Stephen Warren wrote:
>> On 02/23/2016 05:59 AM, Julian Scheel wrote:
>>> Add support for platforms based on the Meerkat COM module. Includes
>>> support
>>> for the minimal reference platform called Kein Baseboard, which in
>>> fact is
>>> sufficient to run most existing Meerkat carriers.
>>
>>> diff --git a/arch/arm/dts/tegra124-meerkat.dtsi
>>> b/arch/arm/dts/tegra124-meerkat.dtsi
>>
>>> +    aliases {
>>> +        i2c0 = "/i2c at 7000c000";
>>> +        i2c1 = "/i2c at 7000c400";
>>> +        i2c2 = "/i2c at 7000c500";
>>> +        i2c3 = "/i2c at 7000c700";
>>> +        i2c4 = "/i2c at 7000d000";
>>> +        i2c5 = "/i2c at 7000d100";
>>
>> /i2c at 7000d000 is alias i2c0 on all other Tegra boards that have I2C
>> aliases.
>
> we just had a quick discussion about this and actually we explicitly
> changed it in our tree to a linear mapping of the controller addresses
> to be in sync with what we have in the l4t kernel.
> If it won't hurt you too much we'd like to keep it that way. Though if
> you feel really bad about it, we can change it to use the same mapping
> as Jetson uses.

That's probably fine; hopefully it won't be too confusing since aliases 
are supposed to be board-specific.

Let's make sure that the Linux kernel patches for this board have 
matching aliases and get Ack'd soon to make sure they don't diverge.



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