[PATCH 2/3] dt-bindings: display: panel: Add panels based on ILITEK ILI9806E

[Conor Dooley]

Hey Luca,

On Wed, Jul 19, 2023 at 05:21:46PM +0200, Luca Ceresoli wrote:
> Add bindings for LCD panels based on the ILITEK ILI9806E RGB controller
> connected over SPI and the "ShenZhen New Display Co NDS040480800-V3"
> 480x800 panel based on it.
> 
> Signed-off-by: Luca Ceresoli <luca.ceresoli at bootlin.com>
> ---
>  .../display/panel/ilitek,ili9806e.yaml        | 69 +++++++++++++++++++
>  MAINTAINERS                                   |  6 ++
>  2 files changed, 75 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml
> new file mode 100644
> index 000000000000..42abc6923065
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml
> @@ -0,0 +1,69 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/ilitek,ili9806e.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ilitek ILI9806E display panels
> +
> +maintainers:
> +  - Luca Ceresoli <luca.ceresoli at bootlin.com>
> +
> +description:
> +  This binding is for display panels using an Ilitek ILI9806E controller in
> +  SPI mode.

I figure you explicitly mention SPI mode here because it also supports
D{P,S}I?

> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          # ShenZhen New Display Co 3.97" 480x800 RGB a-SI TFT LCD
> +          - newdisplay,nds040480800-v3
> +      - const: ilitek,ili9806e
> +
> +  reg: true
> +  spi-max-frequency: true
> +  reset-gpios: true
> +  backlight: true
> +  port: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    backlight: backlight {
> +        compatible = "gpio-backlight";
> +        gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
> +    };
> +    spi {

Just a nit, a blank line between properties please. Clearly no
respinning needed for that...

Otherwise,
Reviewed-by: Conor Dooley <conor.dooley at microchip.com>

Thanks,
Conor.

> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        display at 0 {
> +            compatible = "newdisplay,nds040480800-v3", "ilitek,ili9806e";
> +            reg = <0>;
> +            spi-max-frequency = <1000000>;
> +            pinctrl-names = "default";
> +            pinctrl-0 = <&pinctrl_lcdgpios>;
> +            reset-gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
> +            backlight = <&backlight>;
> +
> +            port {
> +                ili9806e_in: endpoint {
> +                    remote-endpoint = <&lcdif_out>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index aee340630eca..3c38699ee821 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6515,6 +6515,12 @@ T:	git git://anongit.freedesktop.org/drm/drm-misc
>  F:	Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
>  F:	drivers/gpu/drm/tiny/ili9486.c
>  
> +DRM DRIVER FOR ILITEK ILI9806E PANELS
> +M:	Luca Ceresoli <luca.ceresoli at bootlin.com>
> +S:	Maintained
> +T:	git git://anongit.freedesktop.org/drm/drm-misc
> +F:	Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml
> +
>  DRM DRIVER FOR JADARD JD9365DA-H3 MIPI-DSI LCD PANELS
>  M:	Jagan Teki <jagan at edgeble.ai>
>  S:	Maintained
> -- 
> 2.34.1
> 
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