lkml.org 
[lkml]   [2020]   [May]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v4 2/6] dt-bindings: display: Add hpd-gpios to panel-common bindings
Hi Doug,

Thank you for the patch.

On Thu, Apr 30, 2020 at 12:46:13PM -0700, Douglas Anderson wrote:
> In the cases where there is no connector in a system there's no great
> place to put "hpd-gpios". As per discussion [1] the best place to put
> it is in the panel. Add this to the device tree bindings.
>
> [1] https://lore.kernel.org/r/20200417180819.GE5861@pendragon.ideasonboard.com
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>
> Changes in v4: None
> Changes in v3: None
> Changes in v2:
> - ("dt-bindings: display: Add hpd-gpios to panel-common...") new for v2
>
> .../devicetree/bindings/display/panel/panel-common.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> index ed051ba12084..e9a04a3a4f5f 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> @@ -96,6 +96,12 @@ properties:
> (hot plug detect) signal, but the signal isn't hooked up so we should
> hardcode the max delay from the panel spec when powering up the panel.
>
> + hpd-gpios:
> + maxItems: 1
> + description:
> + If Hot Plug Detect (HPD) is connected to a GPIO in the system rather
> + than a dedicated HPD pin the pin can be specified here.
> +
> # Control I/Os
>
> # Many display panels can be controlled through pins driven by GPIOs. The nature

--
Regards,

Laurent Pinchart

\
 
 \ /
  Last update: 2020-05-05 23:38    [W:0.073 / U:23.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site