x86: Add a minimal device tree for alex x86

The device tree now includes the necessary console configuration
information.

Signed-off-by: Gabe Black <gabeblack@chromium.org>
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/board/chromebook-x86/dts/x86-alex.dts b/board/chromebook-x86/dts/x86-alex.dts
new file mode 100644 (file)
index 0000000..bd90d18
--- /dev/null
+++ b/board/chromebook-x86/dts/x86-alex.dts
@@ -0,0 +1,30 @@
+/dts-v1/;
+
+/ {
+        #address-cells = <1>;
+        #size-cells = <1>;
+       model = "Google Alex";
+       compatible = "google,alex", "intel,atom-pineview";
+
+       config {
+              silent_console = <0>;
+       };
+
+       aliases {
+               console = "/serial@e0401000";
+       };
+
+       serial@e0401000 {
+               compatible = "ns16550";
+               reg = <0xe0401000 0x40>;
+               id = <1>;
+               reg-shift = <1>;
+               baudrate = <115200>;
+               clock-frequency = <4000000>;
+               multiplier = <1>;
+               status = "ok";
+       };
+
+        chosen { };
+        memory { device_type = "memory"; reg = <0 0>; };
+};