From: Aaron Kling <webgeek1234@gmail.com>

Add interconnect properties to the Memory Controller, External Memory
Controller and the Display Controller nodes in order to describe hardware
interconnection.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
 arch/arm64/boot/dts/nvidia/tegra210.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 6da10db893add44a98fde1666c382511212fd43c..2fcc7a28690f7100d49e8b93c4fb77de7947b002 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -202,6 +202,19 @@ dc@54200000 {
 
 			nvidia,outputs = <&dsia &dsib &sor0 &sor1>;
 			nvidia,head = <0>;
+
+			interconnects = <&mc TEGRA210_MC_DISPLAY0A &emc>,
+					<&mc TEGRA210_MC_DISPLAY0B &emc>,
+					<&mc TEGRA210_MC_DISPLAY0C &emc>,
+					<&mc TEGRA210_MC_DISPLAYHC &emc>,
+					<&mc TEGRA210_MC_DISPLAYD &emc>,
+					<&mc TEGRA210_MC_DISPLAYT &emc>;
+			interconnect-names = "wina",
+					     "winb",
+					     "winc",
+					     "cursor",
+					     "wind",
+					     "wint";
 		};
 
 		dc@54240000 {
@@ -217,6 +230,15 @@ dc@54240000 {
 
 			nvidia,outputs = <&dsia &dsib &sor0 &sor1>;
 			nvidia,head = <1>;
+
+			interconnects = <&mc TEGRA210_MC_DISPLAY0AB &emc>,
+					<&mc TEGRA210_MC_DISPLAY0BB &emc>,
+					<&mc TEGRA210_MC_DISPLAY0CB &emc>,
+					<&mc TEGRA210_MC_DISPLAYHCB &emc>;
+			interconnect-names = "wina",
+					     "winb",
+					     "winc",
+					     "cursor";
 		};
 
 		dsia: dsi@54300000 {
@@ -990,6 +1012,7 @@ mc: memory-controller@70019000 {
 
 		#iommu-cells = <1>;
 		#reset-cells = <1>;
+		#interconnect-cells = <1>;
 	};
 
 	emc: external-memory-controller@7001b000 {
@@ -1001,6 +1024,7 @@ emc: external-memory-controller@7001b000 {
 		clock-names = "emc";
 		interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,memory-controller = <&mc>;
+		#interconnect-cells = <0>;
 		#cooling-cells = <2>;
 	};
 

-- 
2.50.1