On Mon, Feb 08, 2021 at 05:07:14PM +0000, Leo Li wrote: > > > > -----Original Message----- > > From: Rob Herring <robh@xxxxxxxxxx> > > Sent: Monday, February 8, 2021 10:55 AM > > To: Leo Li <leoyang.li@xxxxxxx> > > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Oleksij Rempel <linux@rempel- > > privat.de>; Rob Herring <robh+dt@xxxxxxxxxx>; Krzysztof Kozlowski > > <krzk@xxxxxxxxxx>; devicetree@xxxxxxxxxxxxxxx; linux- > > kernel@xxxxxxxxxxxxxxx; Shawn Guo <shawnguo@xxxxxxxxxx> > > Subject: Re: [PATCH 03/15] dt-bindings: memory: fsl: convert ifc binding to > > yaml schema > > > > On Fri, 05 Feb 2021 17:47:22 -0600, Li Yang wrote: > > > Convert the txt binding to yaml format and add description. Also > > > updated the recommended node name to ifc-bus to align with the > > > simple-bus node name requirements. > > > > > > Signed-off-by: Li Yang <leoyang.li@xxxxxxx> > > > --- > > > .../bindings/memory-controllers/fsl/ifc.txt | 82 ---------- > > > .../bindings/memory-controllers/fsl/ifc.yaml | 140 > > > ++++++++++++++++++ > > > 2 files changed, 140 insertions(+), 82 deletions(-) delete mode > > > 100644 > > > Documentation/devicetree/bindings/memory-controllers/fsl/ifc.txt > > > create mode 100644 > > > Documentation/devicetree/bindings/memory-controllers/fsl/ifc.yaml > > > > > > > My bot found errors running 'make dt_binding_check' on your patch: > > > > yamllint warnings/errors: > > > > dtschema/dtc warnings/errors: > > Documentation/devicetree/bindings/memory- > > controllers/fsl/ifc.example.dts:36.27-49.19: Warning (simple_bus_reg): > > /example-0/soc/ifc-bus@ffe1e000/flash@0,0: simple-bus unit address > > format error, expected "0" > > Documentation/devicetree/bindings/memory- > > controllers/fsl/ifc.example.dts:51.27-64.19: Warning (simple_bus_reg): > > /example-0/soc/ifc-bus@ffe1e000/flash@1,0: simple-bus unit address > > format error, expected "100000000" > > Documentation/devicetree/bindings/memory- > > controllers/fsl/ifc.example.dts:66.26-71.19: Warning (simple_bus_reg): > > /example-0/soc/ifc-bus@ffe1e000/cpld@3,0: simple-bus unit address format > > error, expected "300000000" > > Hi Rob, > > I saw these warnings, but cannot find a good solution to it. The > first cell in the address is the Chip select, while the second cell > in the address is the address offset within the chip select. It > would confusing to combine the two cells of different purposes into > a single address as suggested by the warning. Can we allow the > multi-cell address in the node name? Drop 'simple-bus'. It's not a simple bus. You have registers that presumably have some configuration needed. Rob