linux-kernel - Re: [PATCH v2 1/2] dt-bindings: display: Add King Display KD035G6-54NT panel documentation

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Message-ID: <20190619122850.GC29084@ravnborg.org>
Date:   Wed, 19 Jun 2019 14:28:50 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Paul Cercueil <paul@...pouillou.net>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, od@...c.me,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: display: Add King Display
 KD035G6-54NT panel documentation

On Mon, Jun 03, 2019 at 05:25:54PM +0200, Paul Cercueil wrote:
> The KD035G6-54NT is a 3.5" 320x240 24-bit TFT LCD panel.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
Reviewed-by: Sam Ravnborg <sam@...nborg.org>

Rob - ping for review.

	Sam

> ---
> 
> Notes:
>     v2: - Add an address to the panel node
>     	- Add information about SPI properties
>     	- Add information about the 'port' sub-node
> 
>  .../panel/kingdisplay,kd035g6-54nt.txt        | 42 +++++++++++++++++++
>  1 file changed, 42 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt
> new file mode 100644
> index 000000000000..fa9596082e44
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt
> @@ -0,0 +1,42 @@
> +King Display KD035G6-54NT 3.5" (320x240 pixels) 24-bit TFT LCD panel
> +
> +Required properties:
> +- compatible: should be "kingdisplay,kd035g6-54nt"
> +- power-supply: See panel-common.txt
> +- reset-gpios: See panel-common.txt
> +
> +Optional properties:
> +- backlight: see panel-common.txt
> +
> +The generic bindings for the SPI slaves documented in [1] also apply.
> +
> +The device node can contain one 'port' child node with one child
> +'endpoint' node, according to the bindings defined in [2]. This
> +node should describe panel's video bus.
> +
> +[1]: Documentation/devicetree/bindings/spi/spi-bus.txt
> +[2]: Documentation/devicetree/bindings/graph.txt
> +
> +Example:
> +
> +&spi {
> +	panel@0 {
> +		compatible = "kingdisplay,kd035g6-54nt";
> +		reg = <0>;
> +
> +		spi-max-frequency = <3125000>;
> +		spi-3wire;
> +		spi-cs-high;
> +
> +		reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;
> +
> +		backlight = <&backlight>;
> +		power-supply = <&ldo6>;
> +
> +		port {
> +			panel_input: endpoint {
> +				remote-endpoint = <&panel_output>;
> +			};
> +		};
> +	};
> +};
> -- 
> 2.21.0.593.g511ec345e18