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Date:   Fri, 5 May 2023 16:23:40 -0500
From:   Rob Herring <robh@kernel.org>
To:     Artur Weber <aweber.kernel@gmail.com>
Cc:     Thierry Reding <thierry.reding@gmail.com>,
        Sam Ravnborg <sam@ravnborg.org>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht
Subject: Re: [PATCH v4 1/3] dt-bindings: display: panel: Add Samsung S6D7AA0
 LCD panel controller
Message-ID: <20230505212340.GA3585766-robh@kernel.org>
References: <20230501185103.25939-1-aweber.kernel@gmail.com>
 <20230501185103.25939-2-aweber.kernel@gmail.com>
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On Mon, May 01, 2023 at 08:51:01PM +0200, Artur Weber wrote:
> Add bindings for the S6D7AA0 LCD panel controller, including the
> S6D7AA0-LSL080AL02 panel used in the Samsung Galaxy Tab 3 8.0 family
> of tablets, and the S6D7AA0-LSL080AL03 and S6D7AA0-LTL101AT01 panels
> used in the Samsung Galaxy Tab A 8.0 and 9.7 2015.
> 
> Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
> ---
> Changed in v2:
>  - Updated commit message
>  - Applied suggestions from Krzysztof Kozlowski
> Changed in v3:
>  - Correctly applied suggestions
> Changed in v4:
>  - Added LSL080AL03, LTL101AT01 compatibles
>  - Added description to reset-gpios
>  - Added vmipi-supply, renamed enable-supply to power-supply
> ---
>  .../display/panel/samsung,s6d7aa0.yaml        | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> new file mode 100644
> index 000000000000..918f62a78ecd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license please.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/samsung,s6d7aa0.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung S6D7AA0 MIPI-DSI LCD panel controller
> +
> +maintainers:
> +  - Artur Weber <aweber.kernel@gmail.com>
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      # 1280x800 LSL080AL02 panel
> +      - samsung,s6d7aa0-lsl080al02
> +      # 1024x768 LSL080AL03 panel
> +      - samsung,s6d7aa0-lsl080al03
> +      # 1024x768 LTL101AT01 panel
> +      - samsung,s6d7aa0-ltl101at01
> +
> +  reg: true
> +
> +  backlight:
> +    description: |
> +      Backlight to use for the panel. If this property is set on panels
> +      that have DSI-based backlight control (LSL080AL03 and LTL101AT01),
> +      it overrides the DSI-based backlight.
> +
> +  reset-gpios:
> +    description: Reset GPIO pin, usually GPIO_ACTIVE_LOW.
> +
> +  power-supply:
> +    description: |
> +      Main power supply for the panel; the exact voltage differs between
> +      panels, and is usually somewhere around 3.3-5v.
> +
> +  vmipi-supply:
> +    description: VMIPI supply, usually 1.8v.
> +
> +required:
> +  - compatible
> +  - reg
> +  - reset-gpios
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "samsung,s6d7aa0-lsl080al02";
> +            reg = <0>;
> +            power-supply = <&display_3v3_supply>;
> +            reset-gpios = <&gpf0 4 GPIO_ACTIVE_LOW>;
> +            backlight = <&backlight>;
> +        };
> +    };
> +
> +...
> -- 
> 2.40.1
>