arm64: tegra: Add DFLL clock on Tegra210

Add essential DFLL clock properties for Tegra210.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra210.dtsi

@@ -4,6 +4,7 @@
 #include <dt-bindings/memory/tegra210-mc.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
+#include <dt-bindings/reset/tegra210-car.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/thermal/tegra124-soctherm.h>
 
@@ -1131,6 +1132,24 @@ mipi: mipi@700e3000 {
 		#nvidia,mipi-calibrate-cells = <1>;
 	};
 
+	dfll: clock@70110000 {
+		compatible = "nvidia,tegra210-dfll";
+		reg = <0 0x70110000 0 0x100>, /* DFLL control */
+		      <0 0x70110000 0 0x100>, /* I2C output control */
+		      <0 0x70110100 0 0x100>, /* Integrated I2C controller */
+		      <0 0x70110200 0 0x100>; /* Look-up table RAM */
+		interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA210_CLK_DFLL_SOC>,
+			 <&tegra_car TEGRA210_CLK_DFLL_REF>,
+			 <&tegra_car TEGRA210_CLK_I2C5>;
+		clock-names = "soc", "ref", "i2c";
+		resets = <&tegra_car TEGRA210_RST_DFLL_DVCO>;
+		reset-names = "dvco";
+		#clock-cells = <0>;
+		clock-output-names = "dfllCPU_out";
+		status = "disabled";
+	};
+
 	aconnect@702c0000 {
 		compatible = "nvidia,tegra210-aconnect";
 		clocks = <&tegra_car TEGRA210_CLK_APE>,