[linux-sunxi] [PATCH] [V2] ARM: dts: sun7i: Add dts file for Bananapi M1 Plus board

Chen-Yu Tsai
2016-06-16T03:05:44Z

On Thu, Jun 16, 2016 at 4:52 AM, Maxime Ripard
<maxime.ripard@free-electrons.com> wrote:
> Hi Chen-Yu,
>
> On Mon, Jun 13, 2016 at 11:01:53AM +0800, Chen-Yu Tsai wrote:
>> On Fri, Jun 10, 2016 at 5:38 PM, Maxime Ripard
>> <maxime.ripard@free-electrons.com> wrote:
>> > On Thu, Jun 02, 2016 at 11:15:55AM +0200, Bernhard Nortmann wrote:
>> >> Am 02.06.2016 um 10:16 schrieb Maxime Ripard:
>> >> >[...]
>> >> >Yes, everything that is shared with the banana-pro (which, judging
>> >> >from Bernhard, is pretty much everything but a GPIO) should be merged
>> >> >in the banapro DT.
>> >> >
>> >> >Maxime
>> >> >
>> >>
>> >> Don't take my word for granted, as I do not own this hardware or know it
>> >> particularly well. There is no doubt that "BPi-M1+" and "Banana Pro" are
>> >> very similar, but if in doubt the information form the wiki should be
>> >> verified.
>> >
>> > Hmmmm, ok. Chen-Yu, any input on this? You know the banana-pis much
>> > more than I do.
>>
>> I did a comparison of the "Banana Pro" vs the "BPi-M1+".
>>
>> The differences are similar to what we have with any other development
>> board, say the Cubietruck:
>>
>> - A different WiFi chip is used, and the BT part is not hooked up.
>> - Different GPIOs for external power regulator/switches
>> - Different GPIOs for LEDs
>> - Different peripherals exposed on the headers.
>>
>> IMO There's no need to merge or have a common .dtsi for the two boards.
>
> Ok.
>
>> They (and all the other development boards) look similar because
>> everyone is following the basic set by Allwinner's reference design,
>> like which MMC controller and pins are used for SD/MMC, which ones
>> are used for SDIO-based WiFi, and so on.
>>
>> I did a version completely from scratch using just the schematics:
>>
>> https://github.com/wens/linux/commits/bpi-m1-plus
>
> So, what do you mean by that? Do you have some comments on that patch,
> or should I merge it, and you'll post your additions on top of it?

I'd like Luo to send a new version, based on what was his updated v1.

I'll reply to that one with some comments.

ChenYu