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bindings: PCI: artpec: correct pci binding example

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- Increase config size. When using a PCIe switch,
   the previous config size only had room for one device.
 - Add bus range. Inherited optional property.
 - Map downstream I/O to PCI address 0. We can map it to any
   address, but let's be consistent with other drivers.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Niklas Cassel 2016-08-26 00:01:56 +02:00 committed by Rob Herring
parent 5839783247
commit 610e128374
1 changed files with 4 additions and 3 deletions
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7
Documentation/devicetree/bindings/pci/axis,artpec6-pcie.txt
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@ -24,16 +24,17 @@ Example:
compatible = "axis,artpec6-pcie", "snps,dw-pcie"; compatible = "axis,artpec6-pcie", "snps,dw-pcie";
reg = <0xf8050000 0x2000 reg = <0xf8050000 0x2000
0xf8040000 0x1000 0xf8040000 0x1000
0xc0000000 0x1000>; 0xc0000000 0x2000>;
reg-names = "dbi", "phy", "config"; reg-names = "dbi", "phy", "config";
#address-cells = <3>; #address-cells = <3>;
#size-cells = <2>; #size-cells = <2>;
device_type = "pci"; device_type = "pci";
/* downstream I/O */ /* downstream I/O */
ranges = <0x81000000 0 0x00010000 0xc0010000 0 0x00010000 ranges = <0x81000000 0 0 0xc0002000 0 0x00010000
/* non-prefetchable memory */ /* non-prefetchable memory */
0x82000000 0 0xc0020000 0xc0020000 0 0x1ffe0000>; 0x82000000 0 0xc0012000 0xc0012000 0 0x1ffee000>;
num-lanes = <2>; num-lanes = <2>;
bus-range = <0x00 0xff>;
interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>; interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "msi"; interrupt-names = "msi";
#interrupt-cells = <1>; #interrupt-cells = <1>;