[PATCH RESEND 3/5] dt-bindings: input/atkbd.txt: Add binding for "function-row-physmap"

[Rajat Jain <rajatja@google.com>]

Create the documentation for the new introduced property, that
describes the function-row keys physical positions.

Signed-off-by: Rajat Jain <rajatja@google.com>
Change-Id: I1786a09258670ed9c782ec1b529e0e347cdfda8e
---
 .../devicetree/bindings/input/atkbd.txt       | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/atkbd.txt

diff --git a/Documentation/devicetree/bindings/input/atkbd.txt b/Documentation/devicetree/bindings/input/atkbd.txt
new file mode 100644
index 0000000000000..816653eb8e98d
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/atkbd.txt
@@ -0,0 +1,34 @@
+Device tree bindings for AT / PS2 keyboard device
+
+Optional properties:
+
+	function-row-physmap:
+			An ordered array of the physical codes for the function
+			row keys. Arranged in order from left to right.
+
+Example:
+
+	This is a sample ACPI _DSD node describing the property:
+
+        Name (_DSD, Package () {
+                ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+                Package () {
+                        Package () { "function-row-physmap",
+                                Package () {
+                                        0xEA, /* T1 BACK */
+                                        0xE7, /* T2 REFRESH */
+                                        0x91, /* T3 FULLSCREEN */
+                                        0x92, /* T4 SCALE */
+                                        0x93, /* T5 SNIP */
+                                        0x94, /* T6 BRIGHTNESS_DOWN */
+                                        0x95, /* T7 BRIGHTNESS_UP */
+                                        0x96, /* T8 PRIVACY_SCRN_TOGGLE */
+                                        0x97, /* T9 KBD_BKLIGHT_DOWN */
+                                        0x98, /* T10 KBD_BKLIGHT_UP */
+                                        0xA0, /* T11 VOL_MUTE */
+                                        0xAE, /* T12 VOL_DOWN */
+                                        0xB0, /* T13 VOL_UP */
+                                }
+                        }
+                }
+        })
-- 
2.25.1.696.g5e7596f4ac-goog