linux-kernel - Re: [PATCH v3 1/2] dt-bindings: display/panel: Add KOE tx14d24vm1bpa display description

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Date:   Fri, 26 Apr 2019 14:29:14 +0200
From:   Lukasz Majewski <lukma@...x.de>
To:     Daniel Vetter <daniel@...ll.ch>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: display/panel: Add KOE
 tx14d24vm1bpa display description

Dear All,

> This commit adds documentation entry description for KOE's 5.7"
> display.
> 
> Signed-off-by: Lukasz Majewski <lukma@...x.de>
> 
> ---
> Previous discussion (and Rob's Reviewed-by) about this patch
> https://patchwork.kernel.org/patch/10339595/
> 
> Changes for v3 :
> - New patch

Gentle ping on this patch...

> ---
>  .../bindings/display/panel/koe,tx14d24vm1bpa.txt   | 42
> ++++++++++++++++++++++ 1 file changed, 42 insertions(+)
>  create mode 100644
> Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> 
> diff --git
> a/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> b/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> new file mode 100644 index 000000000000..be7ac666807b --- /dev/null
> +++
> b/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
> @@ -0,0 +1,42 @@ +Kaohsiung Opto-Electronics Inc. 5.7" QVGA (320 x
> 240) TFT LCD panel +
> +Required properties:
> +- compatible: should be "koe,tx14d24vm1bpa"
> +- backlight: phandle of the backlight device attached to the panel
> +- power-supply: single regulator to provide the supply voltage
> +
> +Required nodes:
> +- port: Parallel port mapping to connect this display
> +
> +This panel needs single power supply voltage. Its backlight is
> conntrolled +via PWM signal.
> +
> +Example:
> +--------
> +
> +Example device-tree definition when connected to iMX53 based board
> +
> +	lcd_panel: lcd-panel {
> +		compatible = "koe,tx14d24vm1bpa";
> +		backlight = <&backlight_lcd>;
> +		power-supply = <&reg_3v3>;
> +
> +		port {
> +			lcd_panel_in: endpoint {
> +				remote-endpoint = <&lcd_display_out>;
> +			};
> +		};
> +	};
> +
> +Then one needs to extend the dispX node:
> +
> +	lcd_display: disp1 {
> +
> +		port@1 {
> +			reg = <1>;
> +
> +			lcd_display_out: endpoint {
> +				remote-endpoint = <&lcd_panel_in>;
> +			};
> +		};
> +	};




Best regards,

Lukasz Majewski

--

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