If the panel connected to the bridge supports backlight control
using DPCD registers on the DisplayPort aux channel, setting
"use-aux-backlight" property in the bridge node will enable the
registration of a DP aux backlight device from the bridge driver.
Signed-off-by: Rajeev Nandan <rajeevny@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/display/bridge/ti,sn65dsi86.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml
index 26932d2..c8d8c00 100644
--- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml
@@ -58,6 +58,12 @@ properties:
clock-names:
const: refclk
+ use-aux-backlight:
+ type: boolean
+ description:
+ The panel backlight to be controlled using DPCD registers on
+ the DP aux channel.
+
gpio-controller: true
'#gpio-cells':
const: 2
@@ -188,6 +194,8 @@ examples:
no-hpd;
+ use-aux-backlight;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
--
2.7.4
