linux-kernel - Re: [PATCH 2/3] dt-bindings: display: Add bindings for ClockworkPi CWD686

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Message-ID: <20220601184711.GA201654-robh@kernel.org>
Date:   Wed, 1 Jun 2022 13:47:11 -0500
From:   Rob Herring <robh@...nel.org>
To:     Max Fierke <max@...fierke.com>
Cc:     thierry.reding@...il.com, sam@...nborg.org, airlied@...ux.ie,
        daniel@...ll.ch, krzysztof.kozlowski+dt@...aro.org,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] dt-bindings: display: Add bindings for ClockworkPi
 CWD686

On Wed, Jun 01, 2022 at 12:17:47AM -0500, Max Fierke wrote:
> The CWD686 is a 6.86" IPS LCD panel used as the primary
> display in the ClockworkPi DevTerm portable (all cores)
> 
> Signed-off-by: Max Fierke <max@...fierke.com>
> ---
>  .../display/panel/clockworkpi,cwd686.yaml     | 60 +++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/clockworkpi,cwd686.yaml

You probably can simply add this to panel-simple-dsi.yaml. It mainly 
depends on how many power supplies this panel has.

> 
> diff --git a/Documentation/devicetree/bindings/display/panel/clockworkpi,cwd686.yaml b/Documentation/devicetree/bindings/display/panel/clockworkpi,cwd686.yaml
> new file mode 100644
> index 000000000000..935a33b9305f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/clockworkpi,cwd686.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/clockworkpi,cwd686.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ClockworkPi CWD686 6.86" IPS LCD panel
> +
> +maintainers:
> +  - Max Fierke <max@...fierke.com>
> +
> +description: |
> +  The ClockworkPi CWD686 is a 6.86" ICNL9707-based IPS LCD panel used within the
> +  ClockworkPi DevTerm series of portable devices. The panel has a 480x1280
> +  resolution and uses 24 bit RGB per pixel.
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: clockworkpi,cwd686
> +
> +  reg:
> +    description: DSI virtual channel used by that screen
> +    maxItems: 1
> +
> +  reset-gpios: true
> +  rotation: true
> +  backlight: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - backlight
> +  - reset-gpios
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    backlight: backlight {
> +        compatible = "gpio-backlight";
> +        gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>;
> +    };
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "clockworkpi,cwd686";
> +            reg = <0>;
> +            backlight = <&backlight>;
> +            reset-gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
> +            rotation = <90>;
> +        };
> +    };
> -- 
> 2.36.1
> 
>