linux-kernel - Re: [PATCH 1/2] dt-bindings: display: panel: Add Ilitek ILI9488 panel controller

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Message-ID: <20260131-salad-carving-cb908b936987@spud>
Date: Sat, 31 Jan 2026 20:22:19 +0000
From: Conor Dooley <conor@...nel.org>
To: Igor Reznichenko <igor@...nichenko.net>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <jesszhan0024@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Kael D'Alcamo <dev@...l-k.io>,
	Kever Yang <kever.yang@...k-chips.com>,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: display: panel: Add Ilitek ILI9488
 panel controller

On Fri, Jan 30, 2026 at 07:41:00PM -0800, Igor Reznichenko wrote:
> Add binding for the Ilitek ILI9488 panel controller which is found on
> the FocusLCDs E35GH-I-MW800-CB MIPI DSI panel.
> 
> Signed-off-by: Igor Reznichenko <igor@...nichenko.net>
> ---
>  .../display/panel/ilitek,ili9488.yaml         | 63 +++++++++++++++++++
>  .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
>  2 files changed, 65 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
> new file mode 100644
> index 000000000000..ea7449273022
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/ilitek,ili9488.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ilitek ILI9488 based MIPI-DSI panels
> +
> +maintainers:
> +  - Igor Reznichenko <igor@...nichenko.net>
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - focuslcds,e35gh-i-mw800cb
> +      - const: ilitek,ili9488
> +
> +  reg:
> +    maxItems: 1
> +
> +  vci-supply: true
> +  iovcc-supply: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - vci-supply
> +  - iovcc-supply
> +  - reset-gpios
> +  - backlight
> +  - port
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "focuslcds,e35gh-i-mw800cb", "ilitek,ili9488";
> +            reg = <0>;
> +            vci-supply = <&reg_vci_panel>;
> +            iovcc-supply = <&reg_iovcc_panel>;
> +            reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
> +            backlight = <&pwm_bl>;
> +
> +            port {
> +                panel_in: endpoint {
> +                    remote-endpoint = <&dsi_out>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> index c7591b2aec2a..aa3a8fd67155 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> @@ -584,6 +584,8 @@ patternProperties:
>      description: Flipkart Inc.
>    "^focaltech,.*":
>      description: FocalTech Systems Co.,Ltd
> +  "^focuslcds,.*":
> +    description: Focus Display Solutions, Inc.

Please point out in your commit message that focuslcds is their trading
name and their website. Looks like a random choice otherwise.
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
pw-bot: not-applicable
>    "^forlinx,.*":
>      description: Baoding Forlinx Embedded Technology Co., Ltd.
>    "^foursemi,.*":
> -- 
> 2.43.0
> 

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