28.11.2016, 18:07, "Chen-Yu Tsai" [off-list ref]:

On Mon, Nov 28, 2016 at 5:59 PM, Icenowy Zheng [off-list ref] wrote:

quoted

 As there's currently a fork of U-Boot which provides simplefb support

Please add it when its finalized...

quoted

 for H3, a simplefb node can be added to the device tree.

 Signed-off-by: Icenowy Zheng [off-list ref]
 ---

 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

quoted

 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

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