arm64: dts: meson-gx: add dmcbus and canvas nodes.

DMC is a small memory region with various registers,
including the ones needed for the canvas module.

Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index ef43922..49c22f2 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -423,6 +423,19 @@
                        };
                };
 
+               dmcbus: bus@c8838000 {
+                       compatible = "simple-bus";
+                       reg = <0x0 0xc8838000 0x0 0x400>;
+                       #address-cells = <2>;
+                       #size-cells = <2>;
+                       ranges = <0x0 0x0 0x0 0xc8838000 0x0 0x400>;
+
+                       canvas: video-lut@48 {
+                               compatible = "amlogic,canvas";
+                               reg = <0x0 0x48 0x0 0x14>;
+                       };
+               };
+
                hiubus: bus@c883c000 {
                        compatible = "simple-bus";
                        reg = <0x0 0xc883c000 0x0 0x2000>;