Add Memory controller DT node on T194 and enable it.
This patch is a prerequisite for SMMU enable on T194.

Signed-off-by: Krishna Reddy <vdu...@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 4 ++++
 arch/arm64/boot/dts/nvidia/tegra194.dtsi       | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi 
b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 62e07e11..4b3441b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -47,6 +47,10 @@
                        };
                };
 
+               memory-controller@2c00000 {
+                       status = "okay";
+               };
+
                serial@3110000 {
                        status = "okay";
                };
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi 
b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index adebbbf..d906958 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/reset/tegra194-reset.h>
 #include <dt-bindings/power/tegra194-powergate.h>
 #include <dt-bindings/thermal/tegra194-bpmp-thermal.h>
+#include <dt-bindings/memory/tegra186-mc.h>
 
 / {
        compatible = "nvidia,tegra194";
@@ -130,6 +131,12 @@
                        };
                };
 
+               memory-controller@2c00000 {
+                       compatible = "nvidia,tegra186-mc";
+                       reg = <0x02c00000 0xb0000>;
+                       status = "disabled";
+               };
+
                uarta: serial@3100000 {
                        compatible = "nvidia,tegra194-uart", 
"nvidia,tegra20-uart";
                        reg = <0x03100000 0x40>;
-- 
2.1.4

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