[PATCH v2 02/16] dt-bindings: i2c: imx: update schema to align with original txt binding

[Rob Herring]

On Thu, 30 Sep 2021 19:04:03 -0500, Li Yang wrote:
> When the binding was converted from txt to yaml, it actually added more
> constrains than the original txt binding which was already used in many
> in-tree DTSes.  Some of the newly added constrains are either not valid
> or not neccessary.
> 
> Not all SoCs use ipg as the clock name for i2c.  There is no point in
> having SoC integration information defined in i2c binding.  Remove the
> clock name requirement in the schema.
> 
> The original txt binding didn't require the order of tx and rx for
> dmas/dma-names.  Many in tree DTSes are already using the other order.
> Both orders should just work fine.  Update the schema to allow both.
> 
> Signed-off-by: Li Yang <leoyang.li at nxp.com>
> ---
> v2:
> Updated the patch description
> 
>  Documentation/devicetree/bindings/i2c/i2c-imx.yaml | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 

Running 'make dtbs_check' with the schema in this patch gives the
following warnings. Consider if they are expected or the schema is
incorrect. These may not be new warnings.

Note that it is not yet a requirement to have 0 warnings for dtbs_check.
This will change in the future.

Full log is available here: https://patchwork.ozlabs.org/patch/1535099


i2c at 21a4000: clock-frequency:0:0: 50000 is not one of [100000, 400000]
	arch/arm/boot/dts/imx6dl-alti6p.dt.yaml

i2c at 21f8000: clock-frequency:0:0: 50000 is not one of [100000, 400000]
	arch/arm/boot/dts/imx6dl-alti6p.dt.yaml

i2c at 30a20000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dt.yaml

i2c at 30a30000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dt.yaml

i2c at 30a40000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dt.yaml

i2c at 30a50000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dt.yaml
	arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dt.yaml