Re: [PATCHv2 4/8] dt-bindings: panel: common: document orientation property

[Rob Herring]

On Thu, Feb 08, 2018 at 07:30:31PM +0100, Sebastian Reichel wrote:
> Introduce new "orientation" property for describing in which
> orientation a panel has been mounted to the device. This can
> be used by the operating system to automatically rotate the
> display correctly.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/display/panel/panel-common.txt     | 12 ++++++++++++
>  include/dt-bindings/display/common.h                       | 14 ++++++++++++++
>  2 files changed, 26 insertions(+)
>  create mode 100644 include/dt-bindings/display/common.h
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.txt b/Documentation/devicetree/bindings/display/panel/panel-common.txt
> index 557fa765adcb..c646b8908458 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-common.txt
> +++ b/Documentation/devicetree/bindings/display/panel/panel-common.txt
> @@ -18,6 +18,18 @@ Descriptive Properties
>    physical area where images are displayed. These properties are expressed in
>    millimeters and rounded to the closest unit.
>  
> +- orientation: The orientation property specifies the panel orientation
> +  in relation to the device's casing. The following values are possible:
> +
> +   * 0 = The top side of the panel matches the top side of the device's
> +         casing.
> +   * 1 = The top side of the panel matches the bottom side of the device's
> +         casing. In other words the panel is mounted upside-down.
> +   * 2 = The left side of the panel matches the top side of the device's
> +         casing.
> +   * 3 = The right side of the panel matches the top side of the device's
> +         casing.


The rotation property in panel.txt already handles this, right?

> +
>  - label: The label property specifies a symbolic name for the panel as a
>    string suitable for use by humans. It typically contains a name inscribed on
>    the system (e.g. as an affixed label) or specified in the system's