[PATCH V5 4/6] dt-bindings: mfd: sensehat: Add Raspberry Pi Sense HAT schema

[Rob Herring]

On Sat, Dec 11, 2021 at 01:59:31PM -0600, Rob Herring wrote:
> On Fri, 10 Dec 2021 17:10:31 -0500, Charles Mirabile wrote:
> > This patch adds the device tree binding
> > for the Sense HAT in yaml form.
> > 
> > Signed-off-by: Charles Mirabile <cmirabil at redhat.com>
> > Co-developed-by: Mwesigwa Guma <mguma at redhat.com>
> > Signed-off-by: Mwesigwa Guma <mguma at redhat.com>
> > Co-developed-by: Joel Savitz <jsavitz at redhat.com>
> > Signed-off-by: Joel Savitz <jsavitz at redhat.com>
> > ---
> >  .../bindings/mfd/raspberrypi,sensehat.yaml    | 54 +++++++++++++++++++
> >  1 file changed, 54 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mfd/raspberrypi,sensehat.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:
> ./Documentation/devicetree/bindings/mfd/raspberrypi,sensehat.yaml:2:1: [error] missing document start "---" (document-start)
> 
> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mfd/raspberrypi,sensehat.yaml: properties:interrupt-parent: False schema does not allow {'items': [{'description': 'gpio pin bank for interrupt pin'}]}
> 	from schema $id: http://devicetree.org/meta-schemas/interrupts.yaml#
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mfd/raspberrypi,sensehat.yaml: ignoring, error in schema: properties: interrupt-parent
> warning: no schema found in file: ./Documentation/devicetree/bindings/mfd/raspberrypi,sensehat.yaml
> Documentation/devicetree/bindings/mfd/raspberrypi,sensehat.example.dt.yaml:0:0: /example-0/i2c/sensehat at 46: failed to match any schema with compatible: ['raspberrypi,sensehat']

'interrupt-parent' is not needed as it is always valid or could be in a 
parent node.