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-rw-r--r--Documentation/devicetree/bindings/pci/mvebu-pci.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/mvebu-pci.txt b/Documentation/devicetree/bindings/pci/mvebu-pci.txt
index 9556e2fedf6d..08c716b2c6b6 100644
--- a/Documentation/devicetree/bindings/pci/mvebu-pci.txt
+++ b/Documentation/devicetree/bindings/pci/mvebu-pci.txt
@@ -5,6 +5,7 @@ Mandatory properties:
- compatible: one of the following values:
marvell,armada-370-pcie
marvell,armada-xp-pcie
+ marvell,dove-pcie
marvell,kirkwood-pcie
- #address-cells, set to <3>
- #size-cells, set to <2>
@@ -14,6 +15,8 @@ Mandatory properties:
- ranges: ranges describing the MMIO registers to control the PCIe
interfaces, and ranges describing the MBus windows needed to access
the memory and I/O regions of each PCIe interface.
+- msi-parent: Link to the hardware entity that serves as the Message
+ Signaled Interrupt controller for this PCI controller.
The ranges describing the MMIO registers have the following layout:
@@ -74,6 +77,8 @@ and the following optional properties:
- marvell,pcie-lane: the physical PCIe lane number, for ports having
multiple lanes. If this property is not found, we assume that the
value is 0.
+- reset-gpios: optional gpio to PERST#
+- reset-delay-us: delay in us to wait after reset de-assertion
Example:
@@ -86,6 +91,7 @@ pcie-controller {
#size-cells = <2>;
bus-range = <0x00 0xff>;
+ msi-parent = <&mpic>;
ranges =
<0x82000000 0 0x40000 MBUS_ID(0xf0, 0x01) 0x40000 0 0x00002000 /* Port 0.0 registers */
@@ -135,6 +141,10 @@ pcie-controller {
interrupt-map = <0 0 0 0 &mpic 58>;
marvell,pcie-port = <0>;
marvell,pcie-lane = <0>;
+ /* low-active PERST# reset on GPIO 25 */
+ reset-gpios = <&gpio0 25 1>;
+ /* wait 20ms for device settle after reset deassertion */
+ reset-delay-us = <20000>;
clocks = <&gateclk 5>;
status = "disabled";
};