On 02/12/2016 07:47 AM, Rob Herring wrote:

On Wed, Feb 10, 2016 at 02:24:34PM -0800, Andrew Duggan wrote:

quoted

2D sensors have several parameter which can be set in the platform data.
This patch adds support for getting those values from devicetree.

Signed-off-by: Andrew Duggan <redacted>
---
  .../bindings/input/rmi4/rmi_2d_sensor.txt          |  56 +++++++++++
  .../bindings/input/touchscreen/touchscreen.txt     |   2 +
  drivers/input/rmi4/rmi_2d_sensor.c                 | 108 +++++++++++++++++++++
  drivers/input/rmi4/rmi_2d_sensor.h                 |   3 +
  drivers/input/rmi4/rmi_f11.c                       |   7 +-
  5 files changed, 175 insertions(+), 1 deletion(-)
  create mode 100644 Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt

[...]

quoted

diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
index ac23caf..d6674de 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt

@@ -18,6 +18,8 @@ Optional properties for Touchscreens:
   - touchscreen-inverted-y	: Y axis is inverted (boolean)
   - touchscreen-swapped-x-y	: X and Y axis are swapped (boolean)
  				  Swapping is done after inverting the axis
+ - touchscreen-mm-x		: horizontal length in mm of the touchscreen
+ - touchscreen-mm-y		: vertical length in mm of the touchscreen

As I mentioned on v3, put the units on the end.

Oh sorry! I see you did mention that in v3 and I must have missed it.

Thanks,
Andrew

Rob