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imx23 and imx28 are SoCs from the same family (mxs) and they share the same AUART block, so the same programming model. imx23 is the first member of this family. It had an AUART DMA erratum. imx28 is the second member of this family and has this erratum fixed. imx28.dtsi uses the following description: compatible = "fsl,imx28-auart", "fsl,imx23-auart"; Make it valid so that the following schema warning could be avoided: imx28-apx4devkit.dtb: serial@8006a000: compatible: ['fsl,imx28-auart', 'fsl,imx23-auart'] is too long from schema $id: http://devicetree.org/schemas/serial/fsl-mxs-auart.yaml# Signed-off-by: Fabio Estevam <festevam@denx.de> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230921133733.224602-1-festevam@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.