arm: Add device trees for TI-Nspire hardware

This patch adds device trees for describing the TI-Nspire hardware.

Changes between v1 and v2:
* Change "keymap" binding to the standard "linux,keymap" binding.

Signed-off-by: Daniel Tang <dt.tangr@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 14 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/nspire.txt b/Documentation/devicetree/bindings/arm/nspire.txt
new file mode 100644
index 000000000000..4d08518bd176
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/nspire.txt
@@ -0,0 +1,14 @@
+TI-NSPIRE calculators
+
+Required properties:
+- compatible: Compatible property value should contain "ti,nspire".
+        CX models should have "ti,nspire-cx"
+        Touchpad models should have "ti,nspire-tp"
+        Clickpad models should have "ti,nspire-clp"
+
+Example:
+
+/ {
+        model = "TI-NSPIRE CX";
+        compatible = "ti,nspire-cx";
+        ...