lkml.org 
[lkml]   [2016]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [linux-sunxi] Re: [RFC PATCH] ARM: dts: sun8i: add simplefb node for H3
On Mon, Nov 28, 2016 at 6:19 PM, Icenowy Zheng <icenowy@aosc.xyz> wrote:
>
>
> 28.11.2016, 18:07, "Chen-Yu Tsai" <wens@csie.org>:
>> On Mon, Nov 28, 2016 at 5:59 PM, Icenowy Zheng <icenowy@aosc.xyz> wrote:
>>> As there's currently a fork of U-Boot which provides simplefb support
>>
>> Please add it when its finalized...
>>
>>> for H3, a simplefb node can be added to the device tree.
>>>
>>> Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
>>> ---
>>>
>>> I'm still not sure which pipeline should I use.
>>
>> You are supposed to add _all_ the pipelines that are available and
>> supported by U-boot. U-boot is then supposed to enable and update
>> the one it set up.
>
> I mean the pipeline string ;-)

Looks good to me. There's no separate frontend/backend in DE 2.0.

ChenYu

>
>>
>> ChenYu
>>
>>> And, it seems that HDMI Slow Clock is not needed?
>>>
>>> (seems that it's only for EDID, but simplefb won't use EDID)
>>>
>>> arch/arm/boot/dts/sun8i-h3.dtsi | 16 ++++++++++++++++
>>> 1 file changed, 16 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
>>> index 75a8654..cacc8dd 100644
>>> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
>>> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
>>> @@ -50,6 +50,22 @@
>>> / {
>>> interrupt-parent = <&gic>;
>>>
>>> + chosen {
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + ranges;
>>> +
>>> + simplefb_hdmi: framebuffer@0 {
>>> + compatible = "allwinner,simple-framebuffer",
>>> + "simple-framebuffer";
>>> + allwinner,pipeline = "de0-lcd0-hdmi";
>>> + clocks = <&ccu CLK_BUS_TCON0>, <&ccu CLK_BUS_DE>,
>>> + <&ccu CLK_BUS_HDMI>, <&ccu CLK_DE>,
>>> + <&ccu CLK_TCON0>, <&ccu CLK_HDMI>;
>>> + status = "disabled";
>>> + };
>>> + };
>>> +
>>> cpus {
>>> #address-cells = <1>;
>>> #size-cells = <0>;
>>> --
>>> 2.10.2
>
> --
> You received this message because you are subscribed to the Google Groups "linux-sunxi" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.

\
 
 \ /
  Last update: 2016-11-28 11:26    [W:0.033 / U:5.852 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site