Commit 8456c544 authored by Alex Elder's avatar Alex Elder Committed by David S. Miller
Browse files

dt-bindings: net: add IPA iommus property 



The IPA accesses "IMEM" and main system memory through an SMMU, so
its DT node requires an iommus property to define range of stream IDs
it uses.

Signed-off-by: default avatarAlex Elder <elder@linaro.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cad5eaf7

Documentation/devicetree/bindings/net/qcom,ipa.yaml

+9 −1
Original line number Diff line number Diff line
@@ -20,7 +20,10 @@ description: 
  The GSI is an integral part of the IPA, but it is logically isolated

  and has a distinct interrupt and a separately-defined address space.



  See also soc/qcom/qcom,smp2p.txt and interconnect/interconnect.txt.

  See also soc/qcom/qcom,smp2p.txt and interconnect/interconnect.txt.  See

  iommu/iommu.txt and iommu/arm,smmu.yaml for more information about SMMU

  bindings.





  - |

    --------             ---------
@@ -54,6 +57,9 @@ properties: 
      - const: ipa-shared

      - const: gsi



  iommus:

    maxItems: 1



  clocks:

    maxItems: 1
@@ -126,6 +132,7 @@ properties: 


required:

  - compatible

  - iommus

  - reg

  - clocks

  - interrupts
@@ -164,6 +171,7 @@ examples: 
                modem-init;

                modem-remoteproc = <&mss_pil>;



                iommus = <&apps_smmu 0x720 0x3>;

                reg = <0 0x1e40000 0 0x7000>,

                        <0 0x1e47000 0 0x2000>,

                        <0 0x1e04000 0 0x2c000>;

CRA Git | Maintained and supported by SUSTech CRA and CCSE