[2/7] dt-bindings: PCI: cadence: Add binding to specify max virtual functions

Message ID 20191231113534.30405-3-kishon@ti.com
State New
Headers show
Series
  • Add SR-IOV support in PCIe Endpoint Core
Related show

Commit Message

Kishon Vijay Abraham I Dec. 31, 2019, 11:35 a.m.
Add binding to specify maximum number of virtual functions that can be
associated with each physical function.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

---
 .../devicetree/bindings/pci/cdns,cdns-pcie-ep.txt         | 2 ++
 .../devicetree/bindings/pci/ti,j721e-pci-ep.yaml          | 8 ++++++++
 2 files changed, 10 insertions(+)

-- 
2.17.1

Patch

diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
index 4a0475e2ba7e..432578202733 100644
--- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
+++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
@@ -9,6 +9,8 @@  Required properties:
 
 Optional properties:
 - max-functions: Maximum number of functions that can be configured (default 1).
+- max-virtual-functions: Maximum number of virtual functions that can be
+    associated with each physical function.
 - phys: From PHY bindings: List of Generic PHY phandles. One per lane if more
   than one in the list.  If only one PHY listed it must manage all lanes. 
 - phy-names:  List of names to identify the PHY.
diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
index 4621c62016c7..1d4964ba494f 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
@@ -61,6 +61,12 @@  properties:
     minimum: 1
     maximum: 6
 
+  max-virtual-functions:
+    minItems: 1
+    maxItems: 6
+    description: As defined in
+                 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
+
   dma-coherent:
     description: Indicates that the PCIe IP block can ensure the coherency
 
@@ -85,6 +91,7 @@  required:
   - cdns,max-outbound-regions
   - dma-coherent
   - max-functions
+  - max-virtual-functions
   - phys
   - phy-names
 
@@ -107,6 +114,7 @@  examples:
             clock-names = "fck";
             cdns,max-outbound-regions = <16>;
             max-functions = /bits/ 8 <6>;
+            max-virtual-functions = /bits/ 16 <4 4 4 4 0 0>;
             dma-coherent;
             phys = <&serdes0_pcie_link>;
             phy-names = "pcie_phy";