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

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Date: Sat, 1 Jun 2024 19:27:58 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
Cc: dmitry.torokhov@...il.com, robh@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, jikos@...nel.org, 
	benjamin.tissoires@...hat.co, dianders@...gle.com, hsinyi@...gle.com, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] dt-bindings: display: panel: Add KD101NE3-40TI
 support

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@...qin.corp-partner.google.com>
> ---
> 
> 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@huaqin.corp-partner.google.com/
> 
> ---
>  .../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@...qin.corp-partner.google.com>

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