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Date:   Sat, 15 Aug 2020 10:39:17 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Guido Günther <agx@...xcpu.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>,
        Daniel Palmer <daniel@...f.com>,
        Lubomir Rintel <lkundrak@...sk>,
        Mark Brown <broonie@...nel.org>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        allen <allen.chen@....com.tw>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] dt-bindings: Add Mantix MLAF057WE51-X panel bindings

Hi Guido.

On Fri, Aug 14, 2020 at 03:36:22PM +0200, Guido Günther wrote:
> The panel uses a Focaltech FT8006p, the touch part is handled by the
> already existing edt-ft5x06.
> 
> Signed-off-by: Guido Günther <agx@...xcpu.org>

A few trivialities.

> ---
>  .../display/panel/mantix,mlaf057we51-x.yaml   | 73 +++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml b/Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml
> new file mode 100644
> index 0000000000000..349f3380ac940
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/mantix,mlaf057we51-x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mantix MLAF057WE51-X 5.7" 720x1440 TFT LCD panel
> +
> +maintainers:
> +  - Guido Günther <agx@...xcpu.org>
> +
> +description: |
> +             Mantix MLAF057WE51 X is a 720x1440 TFT LCD panel
> +             connected using a MIPI-DSI video interface.
Indent text with two spaces only.
And I have learned that '|' is only needed to preserve formatting - so
it can be dropped.

> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mantix,mlaf057we51-x
This is a list - so needs an extra 2 spaces indent.
See https://lore.kernel.org/linux-devicetree/f1963eb9-283f-e903-2a3a-4f324d71d418@lucaceresoli.net/T/#m65900317fb948f6c40e8fb521f2201fba3c301a7
for examples where Rob fixes this.

> +
> +  port: true
> +  reg:
> +    maxItems: 1
> +    description: DSI virtual channel
> +
> +  avdd-supply:
> +    description: Positive analog power supply
> +
> +  avee-supply:
> +    description: Negative analog power supply
> +
> +  vddi-supply:
> +    description: 1.8V I/O voltage supply
> +
> +  reset-gpios:
> +    description: GPIO used for the reset pin
> +    maxItems: 1
Use reset-gpios: true as we already have it in panel-common.yaml

> +
> +  backlight:
> +    description: Backlight used by the panel
> +    $ref: "/schemas/types.yaml#/definitions/phandle"
Use backlight from panel-common.yaml.

> +
> +required:
> +  - compatible
> +  - reg
> +  - avdd-supply
> +  - avee-supply
> +  - vddi-supply
> +  - reset-gpios
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
My personal preference is indent with 4 spaces in examples but there are
no rules so feel free to ignore.
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      panel@0 {
> +        compatible = "mantix,mlaf057we51-x";
> +        reg = <0>;
> +        avdd-supply = <&reg_avdd>;
> +        avee-supply = <&reg_avee>;
> +        vddi-supply = <&reg_1v8_p>;
> +        reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
> +        backlight = <&backlight>;
> +      };
> +    };
I think we need an ampty line here.
> +...
> -- 
> 2.26.2
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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