Messages in this thread | | | Date | Fri, 23 Jul 2021 14:52:52 -0600 | From | Rob Herring <> | Subject | Re: [PATCH net-next 1/3] dt-bindings: net: qcom,ipa: make imem interconnect optional |
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On Mon, Jul 19, 2021 at 04:24:54PM -0500, Alex Elder wrote: > On some newer SoCs, the interconnect between IPA and SoC internal > memory (imem) is not used. Reflect this in the binding by moving > the definition of the "imem" interconnect to the end and defining > minItems to be 2 for both the interconnects and interconnect-names > properties. > > Signed-off-by: Alex Elder <elder@linaro.org> > --- > .../devicetree/bindings/net/qcom,ipa.yaml | 18 ++++++++++-------- > 1 file changed, 10 insertions(+), 8 deletions(-) > > diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml > index ed88ba4b94df5..4853ab7017bd9 100644 > --- a/Documentation/devicetree/bindings/net/qcom,ipa.yaml > +++ b/Documentation/devicetree/bindings/net/qcom,ipa.yaml > @@ -87,16 +87,18 @@ properties: > - const: ipa-setup-ready > > interconnects: > + minItems: 2 > items: > - - description: Interconnect path between IPA and main memory > - - description: Interconnect path between IPA and internal memory > - - description: Interconnect path between IPA and the AP subsystem > + - description: Path leading to system memory > + - description: Path between the AP and IPA config space > + - description: Path leading to internal memory > > interconnect-names: > + minItems: 2 > items: > - const: memory > - - const: imem > - const: config > + - const: imem
What about existing users? This will generate warnings. Doing this for the 2nd item would avoid the need for .dts updates:
- enum: [ imem, config ]
Rob
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