Add documentation for the Device Tree node for LCD panels based on the NewVision NV3052C controller.
v2: - Support backlight property - Add *-supply properties for the 5 different power supplies. Either they must all be present, or 'power-supply' must be present. - Reword description to avoid confusion about 'driver' - Use 4-space indent in example
Signed-off-by: Paul Cercueil paul@crapouillou.net --- .../display/panel/newvision,nv3052c.yaml | 100 ++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml
diff --git a/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml b/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml new file mode 100644 index 000000000000..0468ddeaff2d --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/newvision,nv3052c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NewVision NV3052C TFT LCD panel driver with SPI control bus + +maintainers: + - Paul Cercueil paul@crapouillou.net + +description: | + This is a IC driver for TFT panels, accepting a variety of input + streams that get adapted and scaled to the panel. + + The panel must obey the rules for a SPI slave device as specified in + spi/spi-controller.yaml + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - leadtek,ltk035c5444t-spi + + - const: newvision,nv3052c + + reg: + maxItems: 1 + + reset-gpios: true + power-supply: true + backlight: true + port: true + + vci-supply: + description: + Power supply for analog circuits (VCI=2.5V to 6V) + + vddam-supply: + description: + Power Supply for MIPI regulator circuits (VDDAM=1.75V to 6V) + + iovcc-supply: + description: | + External Power Supply for IO pads and other logic circuits + (IOVCC=1.65 to 3.6V) + + pprech-supply: + description: + Pre-charge power for source (can be connected to IOVCC or VCI) + + vpp-supply: + description: + Input power for NV memory programming (8.0V ~ 8.5V, typical=8.25V) + +required: + - compatible + - reg + +oneOf: + - required: + - power-supply + - required: + - vci-supply + - vddam-supply + - iovcc-supply + - pprech-supply + - vpp-supply + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "leadtek,ltk035c5444t-spi", "newvision,nv3052c"; + reg = <0>; + + spi-max-frequency = <15000000>; + spi-3wire; + reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>; + backlight = <&backlight>; + power-supply = <&vcc>; + + port { + panel_input: endpoint { + remote-endpoint = <&panel_output>; + }; + }; + }; + }; + +...