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SubjectRe: [PATCH v4 12/12] dt-bindings: serial: fsl-lpuart: Add i.MX8DXL compatible
On 21-11-18 19:04:04, Rob Herring wrote:
> On Wed, Nov 10, 2021 at 07:46:55PM +0200, Abel Vesa wrote:
> > Add i.MX8DXL lpuart compatible to the bindings documentation.
> >
> > Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
> > ---
> > Documentation/devicetree/bindings/serial/fsl-lpuart.yaml | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
> > index dc1f0e07cbd4..fa8a602ccb22 100644
> > --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
> > +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
> > @@ -27,6 +27,10 @@ properties:
> > - items:
> > - const: fsl,imx8qm-lpuart
> > - const: fsl,imx8qxp-lpuart
> > + - items:
> > + - const: fsl,imx8dxl-lpuart
> > + - const: fsl,imx8qxp-lpuart
> > + - const: fsl,imx7ulp-lpuart
>
> I'm confused why 8dxl is compatible with 7ulp, but 8qm is not? From the
> driver, it looks like the difference is clocks.
>

There are still things to be upstreamed for the fsl-lpuart driver.
Looking at the NXP's tree, 7ulp has some specific fixup that the
8qm doesn't need.

Have a look here:

https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/tty/serial/fsl_lpuart.c?h=lf-5.10.y#n3242

> >
> > reg:
> > maxItems: 1
> > --
> > 2.31.1
> >
> >

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