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Date:   Wed, 18 Mar 2020 19:57:13 +0100
From:   Sam Ravnborg <sam@ravnborg.org>
To:     Jagan Teki <jagan@amarulasolutions.com>
Cc:     Thierry Reding <thierry.reding@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        devicetree@vger.kernel.org, David Airlie <airlied@linux.ie>,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-amarula@amarulasolutions.com
Subject: Re: [PATCH v2 1/3] dt-bindings: display: panel: Convert feiyang,
 fy07024di26a30d to DT schema
Message-ID: <20200318185713.GA28092@ravnborg.org>
References: <20200318171003.5179-1-jagan@amarulasolutions.com>
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Hi Jagan.

On Wed, Mar 18, 2020 at 10:40:01PM +0530, Jagan Teki wrote:
> Convert the feiyang,fy07024di26a30d panel bindings to DT schema.
> 
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

Thanks for the resend.

Please fix so the two bindings uses panel-common.yaml.

And then only properties specific for this binding shall have a
description.

See below - please fix both bindings and resend.

	Sam

> ---
> Changes for v2:
> - fix dt_binding_check 
> 
>  .../display/panel/feiyang,fy07024di26a30d.txt | 20 -------
>  .../panel/feiyang,fy07024di26a30d.yaml        | 57 +++++++++++++++++++
>  2 files changed, 57 insertions(+), 20 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt
>  create mode 100644 Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt
> deleted file mode 100644
> index 82caa7b65ae8..000000000000
> --- a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt
> +++ /dev/null
> @@ -1,20 +0,0 @@
> -Feiyang FY07024DI26A30-D 7" MIPI-DSI LCD Panel
> -
> -Required properties:
> -- compatible: must be "feiyang,fy07024di26a30d"
> -- reg: DSI virtual channel used by that screen
> -- avdd-supply: analog regulator dc1 switch
> -- dvdd-supply: 3v3 digital regulator
> -- reset-gpios: a GPIO phandle for the reset pin
> -
> -Optional properties:
> -- backlight: phandle for the backlight control.
> -
> -panel@0 {
> -	compatible = "feiyang,fy07024di26a30d";
> -	reg = <0>;
> -	avdd-supply = <&reg_dc1sw>;
> -	dvdd-supply = <&reg_dldo2>;
> -	reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
> -	backlight = <&backlight>;
> -};
> diff --git a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml
> new file mode 100644
> index 000000000000..f292c57a5bd6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0+ OR X11)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/feiyang,fy07024di26a30d.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Feiyang FY07024DI26A30-D 7" MIPI-DSI LCD Panel
> +
> +maintainers:
> +  - Jagan Teki <jagan@amarulasolutions.com>
> +
> +properties:
> +  compatible:
> +    const: feiyang,fy07024di26a30d
> +
> +  reg:
> +    description: DSI virtual channel used by that screen
reg is already described elsewhere so no description.
Thus is becomes:

    reg: true

> +
> +  avdd-supply:
> +    description: analog regulator dc1 switch
> +
> +  dvdd-supply:
> +    description: 3v3 digital regulator
> +
> +  reset-gpios:
> +    description: a GPIO phandle for the reset pin
This would become:
    reset-gpios: true

> +
> +  backlight:
> +    description: Backlight used by the panel
> +    $ref: "/schemas/types.yaml#/definitions/phandle"
This would become:

    backlight: true

> +
> +required:
> +  - compatible
> +  - reg
> +  - avdd-supply
> +  - dvdd-supply
> +  - reset-gpios
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "feiyang,fy07024di26a30d";
> +            reg = <0>;
> +            avdd-supply = <&reg_dc1sw>;
> +            dvdd-supply = <&reg_dldo2>;
> +            reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
> +            backlight = <&backlight>;
> +        };
> +    };

Example looks good.


> -- 
> 2.17.1
> 
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