lkml.org 
[lkml]   [2020]   [Apr]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 2/6] dt-bindings: display: Add hpd-gpios to panel-common bindings
Date
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>
---

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
--
2.26.1.301.g55bc3eb7cb9-goog
\
 
 \ /
  Last update: 2020-04-21 07:07    [W:0.160 / U:2.480 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site