lkml.org 
[lkml]   [2020]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] dt-bindings: net: add IPA iommus property
From
Date
On 5/1/20 4:45 PM, Alex Elder wrote:
> 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 <elder@linaro.org>

Please ignore this patch. I have reposted it as the first
patch in a new series:
https://lore.kernel.org/netdev/20200504175859.22606-1-elder@linaro.org/

-Alex

> ---
> Documentation/devicetree/bindings/net/qcom,ipa.yaml | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
> index 140f15245654..7b749fc04c32 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>;
>

\
 
 \ /
  Last update: 2020-05-04 20:25    [W:0.043 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site