RE: [EXT] Re: [PATCH v2 08/15] dt-bindings: spi: imx: add i.mx6ul to state errata fixed

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> On Fri, Apr 26, 2019 at 08:05:51AM +0000, Robin Gong wrote:
> > ERR009165 fixed from i.mx6ul, add it to show the errata fixed.
> >
> > Signed-off-by: Robin Gong <yibin.gong@xxxxxxx>
> > ---
> >  Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
> > b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
> > index 2d32641..32c4263d 100644
> > --- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
> > +++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
> > @@ -10,6 +10,8 @@ Required properties:
> >    - "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35
> >    - "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51
> >    - "fsl,imx53-ecspi" for SPI compatible with the one integrated on
> > i.MX53 and later Soc
> > +  - "fsl,imx6ul-ecspi" ERR009165 fixed on i.MX6UL and later Soc
> > +
> > + (https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fw
> > +
> ww.nxp.com%2Fdocs%2Fen%2Ferrata%2FIMX6DQCE.pdf&amp;data=02%7C01
> %7Cyi
> > +
> bin.gong%40nxp.com%7Cc36708a8219843ffe1d308d6cecbc512%7C686ea1d
> 3bc2b
> > +
> 4c6fa92cd99c5c301635%7C0%7C1%7C636923771907346428&amp;sdata=9e
> 8c8GK2
> > + hSE90rzyArm8elog9dwNqn4Jeoeff79XwI4%3D&amp;reserved=0)
> 
> I wouldn't mention this errata in the binding documentation. Just state that
> fsl,imx6ul-ecspi is designed to be used on i.MX6UL. And that it might also be
> used on later SoCs as a "fallback compatible" is a detail that is so common that
Eh...Maybe add one flag member in 'struct spi_imx_devtype_data' to state errata fixed
is better? 
> I would expect it not being worth mentioning. So for me it would also be OK to
> drop "fsl,imx53-ecspi" from the list as this is only used like:
> 
>         compatible = "fsl,imx53-ecspi", "fsl,imx51-ecspi";

> 
> (But note that I have no authority here.)
> 
> Best regards
> Uwe
> 
> --
> Pengutronix e.K.                           | Uwe Kleine-König
> |
> Industrial Linux Solutions                 |
> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.pe
> ngutronix.de%2F&amp;data=02%7C01%7Cyibin.gong%40nxp.com%7Cc36708
> a8219843ffe1d308d6cecbc512%7C686ea1d3bc2b4c6fa92cd99c5c301635%7
> C0%7C1%7C636923771907346428&amp;sdata=McF9ueExCPpCq5Nxa6iJ9h53
> 9d9fO4DIW2IaS90ZdpQ%3D&amp;reserved=0  |




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