Add interconnect properties to the memory controller, external memory
controller and the display controller nodes to describe interconnection
of these nodes.

Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
 arch/arm/boot/dts/tegra20.dtsi | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 9c58e7fcf5c0..2aa10a34516b 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -3,6 +3,7 @@
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra20-mc.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
+#include <dt-bindings/interconnect/tegra-icc.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
 / {
@@ -108,6 +109,9 @@
 
                        nvidia,head = <0>;
 
+                       interconnects = <&mc TEGRA_ICC_MC_DC &emc 
TEGRA_ICC_EMEM>;
+                       interconnect-names = "dma-mem";
+
                        rgb {
                                status = "disabled";
                        };
@@ -125,6 +129,9 @@
 
                        nvidia,head = <1>;
 
+                       interconnects = <&mc TEGRA_ICC_MC_DCB &emc 
TEGRA_ICC_EMEM>;
+                       interconnect-names = "dma-mem";
+
                        rgb {
                                status = "disabled";
                        };
@@ -624,15 +631,17 @@
                interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
                #reset-cells = <1>;
                #iommu-cells = <0>;
+               #interconnect-cells = <1>;
        };
 
-       memory-controller@7000f400 {
+       emc: memory-controller@7000f400 {
                compatible = "nvidia,tegra20-emc";
                reg = <0x7000f400 0x200>;
                interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
                clocks = <&tegra_car TEGRA20_CLK_EMC>;
                #address-cells = <1>;
                #size-cells = <0>;
+               #interconnect-cells = <1>;
        };
 
        fuse@7000f800 {
-- 
2.23.0

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