@@ -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>;
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> --- changes since v1: none arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)