[RFC PATCH] ARM: dts: sun8i: add simplefb node for H3

[Icenowy Zheng]

28.11.2016, 18:07, "Chen-Yu Tsai" <wens at csie.org>:
> On Mon, Nov 28, 2016 at 5:59 PM, Icenowy Zheng <icenowy at 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 at 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 ;-)

>
> 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 at 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