Re: [PATCH v2 1/4] dt-bindings: display: panel: Add KD101NE3-40TI support

From: Dmitry Baryshkov
Date: Sat Jun 01 2024 - 12:28:14 EST


On Sat, Jun 01, 2024 at 04:45:25PM +0800, Zhaoxiong Lv wrote:
> Create a new dt-scheam for the kd101ne3-40ti.
> The bias IC of this kindisplay-kd101ne3 panel is placed
> on the panel side, so when the panel is powered on,
> there is no need to control AVDD and AVEE in the driver.
>
> Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
>
> Chage since V2:
>
> - Drop some properties that have already been defined in panel-common.
> - The header file 'dt-bindings/gpio/gpio.h' is not used, delete it
>
> V1: https://lore.kernel.org/all/20240418081548.12160-2-lvzhaoxiong@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/
>
> ---
> .../panel/kingdisplay,kd101ne3-40ti.yaml | 59 +++++++++++++++++++
> 1 file changed, 59 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml
> new file mode 100644
> index 000000000000..b0cf12bb727d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/kingdisplay,kd101ne3-40ti.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Kingdisplay KD101NE3-40TI based MIPI-DSI panels
> +
> +maintainers:
> + - Zhaoxiong Lv <lvzhaoxiong@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>

Any reason for using a separate bindings instead of extending
panel-simple-dsi.yaml ?

> +
> +allOf:
> + - $ref: panel-common.yaml#
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - kingdisplay,kd101ne3-40ti
> +
> + reg:
> + description: the virtual channel number of a DSI peripheral
> +
> + pp3300-supply:
> + description: core voltage supply
> +
> +required:
> + - compatible
> + - reg
> + - pp3300-supply
> + - enable-gpios
> + - backlight
> + - port
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + dsi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + panel: panel@0 {
> + compatible = "kingdisplay,kd101ne3-40ti";
> + reg = <0>;
> + enable-gpios = <&pio 98 0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&panel_pins_default>;
> + pp3300-supply = <&en_pp6000_mipi_disp>;
> + backlight = <&backlight_lcd0>;
> + rotation = <90>;
> + port {
> + panel_in: endpoint {
> + remote-endpoint = <&dsi_out>;
> + };
> + };
> + };
> + };
> +
> +...
> --
> 2.17.1
>

--
With best wishes
Dmitry