Re: [RFC PATCH] ARM: dts: sun8i: add simplefb node for H3
From: Chen-Yu Tsai <hidden>
Date: 2016-11-28 10:07:00
Also in:
linux-arm-kernel, lkml
On Mon, Nov 28, 2016 at 5:59 PM, Icenowy Zheng [off-list ref] 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 <redacted> --- 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. ChenYu
quoted hunk ↗ jump to hunk
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