Novatek NT51021 is a display driver IC that can drive DSI panel. It is also present in the BOE TV101WUM-NX0 video mode panel, which is a WUXGA panel with a resolution of 1200x1920 and 10.1 inches size. It is found in Xiaomi Mi Pad 4 Plus.
This patch adds the bindings for display driver for the IC, with support added for this BOE TV101WUM-NX0 WUXGA video mode panel. Signed-off-by: Nickolay Goppen <[email protected]> --- .../bindings/display/panel/novatek,nt51021.yaml | 93 ++++++++++++++++++++++ MAINTAINERS | 5 ++ 2 files changed, 98 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml new file mode 100644 index 000000000000..a3e4ed10e645 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/novatek,nt51021.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Novatek NT51021 based DSI display Panels + +maintainers: + - Nickolay Goppen <[email protected]> + +description: | + The NT51021 IC from Novatek is a generic DSI Panel IC used to drive dsi + panels. + Right now, support is added only for a BOE WUXGA LCD display panels with a + resolution of 1200x1920. They are video mode DSI panels. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - boe,tv101wum-nx0 + - boe,tv080wum-nx2 + - const: novatek,nt51021 + description: This indicates the panel manufacturer of the panel that is + in turn using the NT51021 panel driver. This compatible string + determines how the NT51021 panel driver is configured for the indicated + panel. The novatek,nt51021 compatible shall always be provided as a fallback. + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: phandle of gpio for reset line - This should be 8mA, gpio + can be configured using mux, pinctrl, pinctrl-names (active high) + + vdd-supply: + description: phandle of the regulator that provides the supply voltage + for digital circuits + + avdd-supply: + description: phandle of the regulator that provides the supply voltage + for analog circuits + + havdd-supply: + description: phandle of the regulator that provides the supply voltage + for analog circuits + + port: true + backlight: true + +required: + - compatible + - reg + - vdd-supply + - avdd-supply + - havdd-supply + - reset-gpios + - port + +unevaluatedProperties: false + +examples: + - |+ + #include <dt-bindings/gpio/gpio.h> + + dsi0 { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "boe,tv101wum-nx0", "novatek,nt51021"; + reg = <0>; + vdd-supply = <&lcd_pwr>; + avdd-supply = <&lcd_pwr>; + havdd-supply = <&lcd_pwr>; + + backlight = <&i2c_backlight>; + reset-gpios = <&tlmm 62 GPIO_ACTIVE_LOW>; + + port { + panel_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 7291238bc09f..6cbf9ee3fa9b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8354,6 +8354,11 @@ S: Maintained F: Documentation/devicetree/bindings/display/panel/novatek,nt37801.yaml F: drivers/gpu/drm/panel/panel-novatek-nt37801.c +DRM DRIVER FOR NOVATEK NT51021 PANELS +M: Nickolay Goppen <[email protected]> +S: Maintained +F: Documentation/devicetree/bindings/display/panel/novatek,nt51021.yaml + DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS M: Lyude Paul <[email protected]> M: Danilo Krummrich <[email protected]> -- 2.55.0
