[PATCH 6/7] dt-bindings: soc: imx: add missing iomuxc gpr binding

[Dong Aisheng]

Hi Rob,

On Thu, Jul 15, 2021 at 9:54 PM Rob Herring <robh at kernel.org> wrote:
>
> On Thu, 15 Jul 2021 16:25:35 +0800, Dong Aisheng wrote:
> > The General Purpose Registers IOMUXC_GPR are used to select operating
> > modes for general features in the SoC, usually not related to the IOMUX
> > itself.
> >
> > This binding doc is generated based on the exist usage in dts
> > in order to fix dt schema check failures.
> >
> > Cc: Rob Herring <robh+dt at kernel.org>
> > Cc: Shawn Guo <shawnguo at kernel.org>
> > Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>
> > ---
> >  .../devicetree/bindings/soc/imx/fsl,gpr.yaml  | 69 +++++++++++++++++++
> >  1 file changed, 69 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,gpr.yaml
> >
>
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
>
> yamllint warnings/errors:
>
> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mfd/syscon.example.dt.yaml: iomuxc-gpr at 20e0000: compatible: 'oneOf' conditional failed, one must be fixed:
>         ['fsl,imx6q-iomuxc-gpr', 'syscon'] is too short
>         'fsl,imx53-iomuxc-gpr' was expected
>         'fsl,imx6q-iomuxc-gpr' is not one of ['fsl,imx6sl-iomuxc-gpr', 'fsl,imx6sll-iomuxc-gpr', 'fsl,imx6sx-iomuxc-gpr', 'fsl,imx6ul-iomuxc-gpr', 'fsl,imx7d-iomuxc-gpr']
>         'fsl,imx7d-iomuxc-gpr' was expected
>         'fsl,imx8mq-iomuxc-gpr' was expected
>         'fsl,imx6q-iomuxc-gpr' is not one of ['fsl,imx8mm-iomuxc-gpr', 'fsl,imx8mn-iomuxc-gpr', 'fsl,imx8mp-iomuxc-gpr']
>         'fsl,imx6q-iomuxc-gpr' was expected
>         From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/soc/imx/fsl,gpr.yaml
> \ndoc reference errors (make refcheckdocs):
> Warning: MAINTAINERS references a file that doesn't exist: Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
> MAINTAINERS: Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt

The example in syscon.yaml is invalid and needs change as follows.
However, should I do it in a separate patch cause they're changes for
two irrelevant binding
files or merge into this one ?

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml
b/Documentation/devicetree/bindings/mfd/syscon.yaml
index f14ae6da0068..11eae4c5848e 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -90,7 +90,7 @@ examples:

   - |
     gpr: iomuxc-gpr at 20e0000 {
-        compatible = "fsl,imx6q-iomuxc-gpr", "syscon";
+        compatible = "fsl,imx6q-iomuxc-gpr", "syscon", "mfd";
         reg = <0x020e0000 0x38>;
         hwlocks = <&hwlock1 1>;
     };

Regards
Aisheng


>
> See https://patchwork.ozlabs.org/patch/1505583
>
> This check can fail if there are any dependencies. The base for a patch
> series is generally the most recent rc1.
>
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
>
> pip3 install dtschema --upgrade
>
> Please check and re-submit.
>