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authorAlan Douglas <adouglas@cadence.com>2018-06-25 10:30:51 +0200
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2018-07-11 11:39:40 +0200
commit82dfbd27c837b5a7c2a7a13b54a4f0b16c51222f (patch)
tree9b259b6ce7cd370940292de3a9286d0cec0f6603
parentPCI: cadence: Add generic PHY support to host and EP drivers (diff)
downloadlinux-82dfbd27c837b5a7c2a7a13b54a4f0b16c51222f.tar.xz
linux-82dfbd27c837b5a7c2a7a13b54a4f0b16c51222f.zip
dt-bindings: PCI: cadence: Add DT bindings for optional PHYs
Update DT documentation to include optional PHYs for cadence PCIe host and endpoint controllers. Signed-off-by: Alan Douglas <adouglas@cadence.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Rob Herring <robh@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt5
-rw-r--r--Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt6
2 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
index 9a305237fa6e..4a0475e2ba7e 100644
--- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
+++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
@@ -9,6 +9,9 @@ Required properties:
Optional properties:
- max-functions: Maximum number of functions that can be configured (default 1).
+- 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.
Example:
@@ -19,4 +22,6 @@ pcie@fc000000 {
reg-names = "reg", "mem";
cdns,max-outbound-regions = <16>;
max-functions = /bits/ 8 <8>;
+ phys = <&ep_phy0 &ep_phy1>;
+ phy-names = "pcie-lane0","pcie-lane1";
};
diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt
index 20a33f38f69d..91de69c713a9 100644
--- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt
+++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt
@@ -24,6 +24,9 @@ Optional properties:
translations (default 32)
- vendor-id: The PCI vendor ID (16 bits, default is design dependent)
- device-id: The PCI device ID (16 bits, default is design dependent)
+- 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.
Example:
@@ -57,4 +60,7 @@ pcie@fb000000 {
interrupt-map-mask = <0x0 0x0 0x0 0x7>;
msi-parent = <&its_pci>;
+
+ phys = <&pcie_phy0>;
+ phy-names = "pcie-phy";
};