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Subject[PATCH v2 3/4] bindings: PCI: designware: Add support for EP in DesignWare driver
Date
Add device tree binding documentation for the EP in PCIe DesignWare driver.

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/pci/designware-pcie.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index 7f9804d..c124f9b 100644
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -3,6 +3,7 @@
Required properties:
- compatible:
"snps,dw-pcie" for RC mode;
+ "snps,dw-pcie-ep" for EP mode;
- reg: Should contain the configuration address space.
- reg-names: Must be "config" for the PCIe configuration space.
(The old way of getting the configuration address space from "ranges"
@@ -56,3 +57,14 @@ Example configuration:
#interrupt-cells = <1>;
num-lanes = <1>;
};
+or
+ pcie: pcie@dfc00000 {
+ compatible = "snps,dw-pcie-ep";
+ reg = <0xdfc00000 0x0001000>, /* IP registers 1 */
+ <0xdfc01000 0x0001000>, /* IP registers 2 */
+ <0xd0000000 0x2000000>; /* Configuration space */
+ reg-names = "dbi", "dbi2", "addr_space";
+ num-ib-windows = <6>;
+ num-ob-windows = <2>;
+ num-lanes = <1>;
+ };
--
2.7.4

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