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    SubjectRe: [PATCH] dt-bindings: serial: fsl-lpuart: Add imx93 compatible string
    On Tue, Feb 15, 2022 at 04:13:34PM +0800, Peng Fan (OSS) wrote:
    > From: Peng Fan <peng.fan@nxp.com>
    >
    > The lpuart on i.MX93 is derived from i.MX8ULP with some industrial
    > enhancements, it uses three compatible strings, so update the

    Looks like it's 2 compatible strings...

    > compatible string for i.MX93. But for a few instants,

    s/instants/instances/

    > DTR_B, DSR_B, DCD_B and RIN_B pins are supported, so use one compatible
    > string fsl,imx93-lpuart-v2

    If the differences are just what gets pinned out, then I think the
    differences should be handled with separate properties. We probably
    already have some.

    Plus, while you may have all the above signals, a board design may still
    only use a subset.

    >
    > Signed-off-by: Peng Fan <peng.fan@nxp.com>
    > ---
    > Documentation/devicetree/bindings/serial/fsl-lpuart.yaml | 2 ++
    > 1 file changed, 2 insertions(+)
    >
    > diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
    > index 6e04e3848261..d7805f31ccc2 100644
    > --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
    > +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
    > @@ -24,6 +24,8 @@ properties:
    > - fsl,imxrt1050-lpuart
    > - items:
    > - enum:
    > + - fsl,imx93-lpuart
    > + - fsl,imx93-lpuart-v2
    > - fsl,imx8qxp-lpuart
    > - fsl,imx8ulp-lpuart
    > - const: fsl,imx7ulp-lpuart
    > --
    > 2.25.1
    >
    >

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