From: Alex Elder Date: Mon, 4 May 2020 17:58:56 +0000 (-0500) Subject: dt-bindings: net: add IPA iommus property X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8456c54408a21cddc5c5a3b35d2e77ddd58d20bc;p=linux.git 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: Alex Elder Signed-off-by: David S. Miller --- diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml index 140f152456542..7b749fc04c32c 100644 --- a/Documentation/devicetree/bindings/net/qcom,ipa.yaml +++ b/Documentation/devicetree/bindings/net/qcom,ipa.yaml @@ -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>;