| Message ID | 97ebf0615821d79e8d7718594fe3a542a743a05f.1512486553.git-series.maxime.ripard@free-electrons.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Dec 05, 2017 at 04:10:13PM +0100, Maxime Ripard wrote: > The power-supply property is used by a vast majority of panels, including > panel-simple. Let's document it as a common property > > Signed-off-by: Maxime Ripard <maxime.ripard@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(-) Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.txt b/Documentation/devicetree/bindings/display/panel/panel-common.txt index ec52c472c845..125ea68052af 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-common.txt +++ b/Documentation/devicetree/bindings/display/panel/panel-common.txt @@ -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 +----- + +- 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. Backlight --------- diff --git a/Documentation/devicetree/bindings/display/panel/panel-lvds.txt b/Documentation/devicetree/bindings/display/panel/panel-lvds.txt index b938269f841e..250850a2150b 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-lvds.txt +++ b/Documentation/devicetree/bindings/display/panel/panel-lvds.txt @@ -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 --- a/Documentation/devicetree/bindings/display/panel/simple-panel.txt +++ b/Documentation/devicetree/bindings/display/panel/simple-panel.txt @@ -1,7 +1,7 @@ Simple display panel Required properties: -- power-supply: regulator to provide the supply voltage +- power-supply: See panel-common.txt Optional properties: - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
The power-supply property is used by a vast majority of panels, including panel-simple. Let's document it as a common property Signed-off-by: Maxime Ripard <maxime.ripard@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(-)