On Tue, Feb 15, 2022 at 04:13:34PM +0800, Peng Fan (OSS) wrote: > From: Peng Fan <peng.fan@xxxxxxx> > > 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@xxxxxxx> > --- > 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 > >
