[PATCH 2/8] ARM: sun4i: Add display blocks for the sun4i dtsi.

Chen-Yu Tsai wens at csie.org
Mon Feb 13 01:20:56 PST 2017


On Mon, Feb 13, 2017 at 5:16 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> Hi,
>
> On Sat, Feb 11, 2017 at 07:43:59PM +0200, Priit Laes wrote:
>> Added basic display pipeline consisting of tcon, display backend and
>> frontend blocks.
>>
>> Signed-off-by: Priit Laes <plaes at plaes.org>
>> ---
>>  arch/arm/boot/dts/sun4i-a10.dtsi | 104 +++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 104 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
>> index ba20b48..70991c9 100644
>> --- a/arch/arm/boot/dts/sun4i-a10.dtsi
>> +++ b/arch/arm/boot/dts/sun4i-a10.dtsi
>> @@ -779,6 +779,45 @@
>>                       #size-cells = <0>;
>>               };
>>
>> +             tcon0: lcd-controller at 1c0c000 {
>> +                     compatible = "allwinner,sun5i-a13-tcon";
>
> There's a few bits here and there that need to be setup differently in
> A10, so you cannot reuse that compatible (same thing for the other).
>
> Also, I'd really like to have all the blocks listed here, and not only
> the first pipeline. Ideally, on the A10, the two pipelines should be
> enabled too.

The display pipeline driver has to be fixed before that can happen
though. And I haven't started to work on what I proposed yet. Though
if someone wants to take over I can forward any design plans I have.

ChenYu

>
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com



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