diff options
| author | Ray Jui <ray.jui@broadcom.com> | 2016-10-31 20:38:38 -0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-11-17 15:40:37 -0500 |
| commit | 3589c66cca7f0fd76861b40e7ca7d01c82bfe9c3 (patch) | |
| tree | 280c475d8c8de40c49954be4d75770d6275b8477 | |
| parent | 4213e15c364e74fa0593a6b3e1e24e52f932eb85 (diff) | |
PCI: iproc: Add optional dma-ranges
Add description for optional device tree property 'dma-ranges' for inbound
mapping.
Signed-off-by: Oza Oza <oza.oza@broadcom.com>
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
| -rw-r--r-- | Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt index f827b8d394e2..5dbfb82ef88c 100644 --- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt +++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt | |||
| @@ -25,6 +25,9 @@ Optional properties: | |||
| 25 | - phys: phandle of the PCIe PHY device | 25 | - phys: phandle of the PCIe PHY device |
| 26 | - phy-names: must be "pcie-phy" | 26 | - phy-names: must be "pcie-phy" |
| 27 | - dma-coherent: present if DMA operations are coherent | 27 | - dma-coherent: present if DMA operations are coherent |
| 28 | - dma-ranges: Some PAXB-based root complexes do not have inbound mapping done | ||
| 29 | by the ASIC after power on reset. In this case, SW is required to configure | ||
| 30 | the mapping, based on inbound memory regions specified by this property. | ||
| 28 | 31 | ||
| 29 | - brcm,pcie-ob: Some iProc SoCs do not have the outbound address mapping done | 32 | - brcm,pcie-ob: Some iProc SoCs do not have the outbound address mapping done |
| 30 | by the ASIC after power on reset. In this case, SW needs to configure it | 33 | by the ASIC after power on reset. In this case, SW needs to configure it |