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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-02-14 09:05:53 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-02-18 08:32:25 +0100 |
| commit | 81ce4a7dec8ba066c73692e10634091b14c1e494 (patch) | |
| tree | d61574b25fda47711e3efab57c7a5739de477565 /dts/Bindings/iommu | |
| parent | 84b7f86bef670f6751d67131738555fa53ca3f6b (diff) | |
| download | barebox-81ce4a7dec8ba066c73692e10634091b14c1e494.tar.gz barebox-81ce4a7dec8ba066c73692e10634091b14c1e494.tar.xz | |
dts: update to v5.6-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/iommu')
| -rw-r--r-- | dts/Bindings/iommu/iommu.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/dts/Bindings/iommu/iommu.txt b/dts/Bindings/iommu/iommu.txt index 5a8b4624de..3c36334e4f 100644 --- a/dts/Bindings/iommu/iommu.txt +++ b/dts/Bindings/iommu/iommu.txt @@ -86,6 +86,12 @@ have a means to turn off translation. But it is invalid in such cases to disable the IOMMU's device tree node in the first place because it would prevent any driver from properly setting up the translations. +Optional properties: +-------------------- +- pasid-num-bits: Some masters support multiple address spaces for DMA, by + tagging DMA transactions with an address space identifier. By default, + this is 0, which means that the device only has one address space. + Notes: ====== |