[PATCH v4 01/15] dt-bindings: panel: lvds: Document power-supply property
maxime.ripard at free-electrons.com
Thu Dec 7 15:58:46 UTC 2017
The power-supply property is used by a vast majority of panels, including
panel-simple. Let's document it as a common property
Reviewed-by: Rob Herring <robh at kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
Documentation/devicetree/bindings/display/panel/panel-common.txt | 6 ++++++
Documentation/devicetree/bindings/display/panel/panel-lvds.txt | 1 +
Documentation/devicetree/bindings/display/panel/simple-panel.txt | 2 +-
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.txt b/Documentation/devicetree/bindings/display/panel/panel-common.txt
index ec52c472c845..125ea68052af 100644
@@ -78,6 +78,12 @@ used for panels that implement compatible control signals.
while active. Active high reset signals can be supported by inverting the
GPIO specifier polarity flag.
+- power-supply: many display panels need an additional power supply in
+ order to be fully powered-up. For such panels, power-supply contains
+ a phandle to the regulator powering the panel.
diff --git a/Documentation/devicetree/bindings/display/panel/panel-lvds.txt b/Documentation/devicetree/bindings/display/panel/panel-lvds.txt
index b938269f841e..250850a2150b 100644
@@ -32,6 +32,7 @@ Optional properties:
- label: See panel-common.txt.
- gpios: See panel-common.txt.
- backlight: See panel-common.txt.
+- power-supply: See panel-common.txt.
- data-mirror: If set, reverse the bit order described in the data mappings
below on all data lanes, transmitting bits for slots 6 to 0 instead of
0 to 6.
diff --git a/Documentation/devicetree/bindings/display/panel/simple-panel.txt b/Documentation/devicetree/bindings/display/panel/simple-panel.txt
index 1341bbf4aa3d..16d8ff088b7d 100644
@@ -1,7 +1,7 @@
Simple display panel
-- power-supply: regulator to provide the supply voltage
+- power-supply: See panel-common.txt
- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
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