Hi Rob,
On 16/04/2018 22:39, Rob Herring wrote:
> 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.pimentel@xxxxxxxxxxxx>
>> ---
>> 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?
This item is optional, according to the description, if not specified the driver
assumes by default 2.
By maintaining the configuration like this, I can guarantee that is a functional
configuration, since it's one that I normally use. But I can reverted if you desire.
>
>> };
>> --
>> 2.7.4
>>
>>
Thanks,
Gustavo
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