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Commit 71918e24 authored by Gustavo Pimentel's avatar Gustavo Pimentel Committed by Lorenzo Pieralisi
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dt-bindings: PCI: designware: Add support for EP in DesignWare driver 



Add device tree binding documentation for the EP in PCIe DesignWare driver.

Signed-off-by: default avatarGustavo Pimentel <gustavo.pimentel@synopsys.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
parent 1d906b22

Documentation/devicetree/bindings/pci/designware-pcie.txt

+12 −0
Original line number Diff line number Diff line
@@ -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>;

	};