On Tue, Sep 13, 2022 at 12:23:42AM +0530, Bhupesh Sharma wrote: > On 9/8/22 8:11 PM, Krzysztof Kozlowski wrote: > > On 07/09/2022 22:49, Bhupesh Sharma wrote: > > > Since the Qualcomm dwmac based ETHQOS ethernet block > > > supports 64-bit register addresses, update the > > > reg maxitems inside snps,dwmac YAML bindings. > > > > Please wrap commit message according to Linux coding style / submission > > process: > > https://elixir.bootlin.com/linux/v5.18-rc4/source/Documentation/process/submitting-patches.rst#L586 > > > > > > > > Cc: Bjorn Andersson <andersson@xxxxxxxxxx> > > > Cc: Rob Herring <robh@xxxxxxxxxx> > > > Cc: Vinod Koul <vkoul@xxxxxxxxxx> > > > Cc: David Miller <davem@xxxxxxxxxxxxx> > > > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx> > > > --- > > > Documentation/devicetree/bindings/net/snps,dwmac.yaml | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml > > > index 2b6023ce3ac1..f89ca308d55f 100644 > > > --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml > > > +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml > > > @@ -94,7 +94,7 @@ properties: > > > reg: > > > minItems: 1 > > > - maxItems: 2 > > > + maxItems: 4 > > > > Qualcomm ETHQOS schema allows only 2 in reg-names, so this does not make > > sense for Qualcomm and there are no users of 4 items. > > On this platform the two reg spaces are 64-bit, whereas for other > platforms based on dwmmac, for e.g. stm32 have 32-bit address space. The schema for reg is how many addr/size entries regardless of cell sizes. > Without this fix I was getting the following error with 'make dtbs_check': > > Documentation/devicetree/bindings/net/qcom,ethqos.example.dtb: > ethernet@20000: reg: [[0, 131072], [0, 65536], [0, 221184], [0, 256]] is too > long > From schema: /home/bhsharma/code/upstream/linux-bckup/linux/Documentation/devicetree/bindings/net/snps,dwmac.yaml The default cell sizes for examples is 1 for addr/size. If you want it to be 2, you have to write your own parent node. But why? It's just an example. Use 1 cell like the example originally had. Rob
