[media] Documentation: devicetree: meson-ir: "linux,rc-map-name" is supported

The driver already parses the "linux,rc-map-name" property. Add this
information to the documentation so .dts maintainers don't have to look
it up in the source-code.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/media/meson-ir.txt b/Documentation/devicetree/bindings/media/meson-ir.txt
index e7e3f3c4fc8f..efd9d29a8f10 100644
--- a/Documentation/devicetree/bindings/media/meson-ir.txt
+++ b/Documentation/devicetree/bindings/media/meson-ir.txt
@@ -8,6 +8,9 @@ Required properties:
  - reg          : physical base address and length of the device registers
  - interrupts   : a single specifier for the interrupt from the device
 
+Optional properties:
+ - linux,rc-map-name:   see rc.txt file in the same directory.
+
 Example:
 
         ir-receiver@c8100480 {