:orphan:

.. _display-rgb-bridge-dt:

RGB Bridge Display Device Tree
------------------------------

The MIPI-2-RGB (TC358867) device node including the display's timings as given in the standard
`Example Device Tree File`_ form.

.. code-block:: text

   &mipi_dsi {
        status = "okay";

        panel-bridge@0 {
                compatible = "toshiba,tc358867xbg";
                reg = <0>;

                port {
                        tc358867_in: endpoint {
                                remote-endpoint = <&dsi_out>;
                        };
                };

                display-timings {
                        lcd {
                                // all EDT displays - Leave clock at 25175000!!!
                                clock-frequency = <25175000>;
                                hactive = <320>;
                                vactive = <240>;
                                hback-porch = <38>;
                                hfront-porch = <20>;
                                vback-porch = <14>;
                                vfront-porch = <4>;
                                hsync-len = <30>;
                                vsync-len = <4>;
                                hsync-active = <0>;
                                vsync-active = <0>;
                                de-active = <1>;
                                pixelclk-active = <0>;
                        };
                };

        };

        port@1 {
                dsi_out: endpoint {
                        remote-endpoint = <&tc358867_in>;
                };
        };
   };


Display Timing
--------------
The Actualy display timing part of the DT.

.. code-block:: text

   display-timings {
           lcd {
                   // all EDT displays - Leave clock at 25175000!!!
                   clock-frequency = <25175000>;
                   hactive = <320>;
                   vactive = <240>;
                   hback-porch = <38>;
                   hfront-porch = <20>;
                   vback-porch = <14>;
                   vfront-porch = <4>;
                   hsync-len = <30>;
                   vsync-len = <4>;
                   hsync-active = <0>;
                   vsync-active = <0>;
                   de-active = <1>;
                   pixelclk-active = <0>;
           };
   };


Example Device Tree File
------------------------

As found in the local yocto sources:

``../yocto/gatesgarth/sources/meta-karo-nxp/recipes-kernel/linux/linux-imx-5.10/mx8/dts/freescale/imx8m-qs8m-tc358867.dtsi``

or as they can be viewed on `github`__.

.. _yocto-qs8m-tc358867-dts-file: https://github.com/karo-electronics/meta-karo-nxp/blob/6b78889ffe4c56b3e87039898e629e76eb5c247d/recipes-kernel/linux/linux-imx-5.10/mx8/dts/freescale/imx8m-qs8m-tc358867.dtsi#L40
__ yocto-qs8m-tc358867-dts-file_