arm64: tegra: Add NVIDIA Jetson TX1 support

The NVIDIA Jetson TX1 is a processor module that features a Tegra210 SoC
with 4 GiB of LPDDR4 RAM attached, a 32 GiB eMMC and other essentials.

It is typically connected to some I/O board (such as the P2597) that has
the connectors needed to hook it up to the outside world.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
new file mode 100644 (file)
index 0000000..2b7f889
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
@@ -0,0 +1,45 @@
+#include "tegra210.dtsi"
+
+/ {
+       model = "NVIDIA Jetson TX1";
+       compatible = "nvidia,p2180", "nvidia,tegra210";
+
+       aliases {
+               rtc1 = "/rtc@0,7000e000";
+               serial0 = &uarta;
+       };
+
+       memory {
+               device_type = "memory";
+               reg = <0x0 0x80000000 0x1 0x0>;
+       };
+
+       /* debug port */
+       serial@0,70006000 {
+               status = "okay";
+       };
+
+       pmc@0,7000e400 {
+               nvidia,invert-interrupt;
+       };
+
+       /* eMMC */
+       sdhci@0,700b0600 {
+               status = "okay";
+               bus-width = <8>;
+               non-removable;
+       };
+
+       clocks {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               clk32k_in: clock@0 {
+                       compatible = "fixed-clock";
+                       reg = <0>;
+                       #clock-cells = <0>;
+                       clock-frequency = <32768>;
+               };
+       };
+};