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arm64: dts: allwinner: a64: add simplefb for A64 SoC 

The A64 SoC features two display pipelines, one has a LCD output, the
other has a HDMI output.

Add support for simplefb for the LCD output. Tested on Teres I.

This patch was inspired by work of Icenowy Zheng.

Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
hifive-unleashed-5.1
Harald Geyer 2018-03-15 16:25:08 +00:00 committed by Maxime Ripard
parent d41850437c
commit c1cff65f9b
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arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
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@ -52,6 +52,26 @@
#address-cells = <1>;
#size-cells = <1>;
chosen {
#address-cells = <1>;
#size-cells = <1>;
ranges;
/*
* The pipeline mixer0-lcd0 depends on clock CLK_MIXER0 from DE2 CCU.
* However there is no support for this clock on A64 yet, so we depend
* on the upstream clocks here to keep them (and thus CLK_MIXER0) up.
*/
simplefb_lcd: framebuffer-lcd {
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "mixer0-lcd0";
clocks = <&ccu CLK_TCON0>,
<&ccu CLK_DE>, <&ccu CLK_BUS_DE>;
status = "disabled";
};
};
cpus {
#address-cells = <1>;
#size-cells = <0>;