On Mon, Apr 16, 2018 at 03:37:49PM +0100, Gustavo Pimentel wrote:
> Replaces "ctrlreg" reg-name by "dbi" to be coherent with similar drivers,
> however it still be compatible with any previous DT that uses the old
> reg-name.
> 
> Replaces the PCIe base address example by a real PCIe base address in use.
> 
> Signed-off-by: Gustavo Pimentel <gustavo.pimen...@synopsys.com>
> ---
> Changes v1->v2:
>  - Removed any iATU reference or changes to avoid confusion.
>  - Add "snps,dw-pcie" compatible string following Kishon's suggestion.
> Changes v2->v3:
> - Nothing changed, just to follow the patch set version.
> Changes v3->v4:
> - Reverted "snps,dw-pcie-rc" compatible string requested by Rob Herring.
> 
>  Documentation/devicetree/bindings/pci/designware-pcie.txt | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt 
> b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> index 1da7ade..7f9804d 100644
> --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> @@ -1,7 +1,8 @@
>  * Synopsys DesignWare PCIe interface
>  
>  Required properties:
> -- compatible: should contain "snps,dw-pcie" to identify the core.
> +- compatible:
> +     "snps,dw-pcie" for RC 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"
> @@ -41,11 +42,11 @@ EP mode:
>  
>  Example configuration:
>  
> -     pcie: pcie@dffff000 {
> +     pcie: pcie@dfc00000 {
>               compatible = "snps,dw-pcie";
> -             reg = <0xdffff000 0x1000>, /* Controller registers */
> -                   <0xd0000000 0x2000>; /* PCI config space */
> -             reg-names = "ctrlreg", "config";
> +             reg = <0xdfc00000 0x0001000>, /* IP registers */
> +                   <0xd0000000 0x0002000>; /* Configuration space */
> +             reg-names = "dbi", "config";
>               #address-cells = <3>;
>               #size-cells = <2>;
>               device_type = "pci";
> @@ -54,5 +55,4 @@ Example configuration:
>               interrupts = <25>, <24>;
>               #interrupt-cells = <1>;
>               num-lanes = <1>;
> -             num-viewport = <3>;

Seems like a spurious change?

>       };
> -- 
> 2.7.4
> 
> 

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