Re: [PATCH 1/2] dt-bindings: display: panel: add Ilitek ILI7807S panel controller

From: Dmitry Baryshkov

Date: Mon May 18 2026 - 12:25:22 EST


On Mon, May 18, 2026 at 04:34:12PM +0530, Arpit Saini wrote:
> ILI7807S is a DSI display controller used to drive MIPI-DSI panels.
> The DLC DLC0697 1080x1920 LCD panel is based on this controller.
>
> The panel requires a reset GPIO, backlight enable GPIO, I/O voltage
> supply (vddi), positive LCD bias supply (avdd) and negative LCD bias
> supply (avee). The panel operates in video burst mode with four data
> lanes using RGB888 pixel format.
>
> Signed-off-by: Arpit Saini <arpit.saini@xxxxxxxxxxxxxxxx>
> ---
> .../bindings/display/panel/ilitek,ili7807s.yaml | 80 ++++++++++++++++++++++
> MAINTAINERS | 7 ++
> 2 files changed, 87 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili7807s.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili7807s.yaml
> new file mode 100644
> index 000000000000..93c511d03c00
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili7807s.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/ilitek,ili7807s.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ilitek ILI7807S-based DSI panels
> +
> +maintainers:
> + - Arpit Saini <arpit.saini@xxxxxxxxxxxxxxxx>
> +
> +allOf:
> + - $ref: panel-common.yaml#
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - dlc,dlc0697
> + - const: ilitek,ili7807s
> +
> + reg:
> + maxItems: 1
> + description: DSI virtual channel
> +
> + reset-gpios: true
> +
> + backlight-en-gpios:
> + description: Backlight enable GPIO (active high)

Is this actual GPIO or the GPIO-controlled supply?

> +
> + vddi-supply:
> + description: I/O voltage supply (1.8V)
> +
> + avdd-supply:
> + description: Positive LCD bias supply (AVDD), typically +5.5V
> + (range 4.5V to 6.3V)
> +
> + avee-supply:
> + description: Negative LCD bias supply (AVEE), typically -5.5V
> + (range -6.3V to -4.5V)
> +

--
With best wishes
Dmitry