Re: [PATCH 2/5] PCI: st: Add Device Tree bindings for sti pcie
From: Gabriel Fernandez
Date: Mon Jan 19 2015 - 08:04:49 EST
Hi Arnd,
Thanks for reviewing
On 17 December 2014 at 23:01, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Wednesday 17 December 2014 11:34:43 Gabriel FERNANDEZ wrote:
>> sti pcie is built around a Synopsis Designware PCIe IP.
>>
>> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxx>
>> ---
>> Documentation/devicetree/bindings/pci/st-pcie.txt | 53 +++++++++++++++++++++++
>> 1 file changed, 53 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/pci/st-pcie.txt
>>
>> diff --git a/Documentation/devicetree/bindings/pci/st-pcie.txt b/Documentation/devicetree/bindings/pci/st-pcie.txt
>> new file mode 100644
>> index 0000000..bd3488f
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pci/st-pcie.txt
>> @@ -0,0 +1,53 @@
>> +STMicroelectronics STi PCIe controller
>> +
>> +This PCIe host controller is based on the Synopsis Designware PCIe IP
>> +and thus inherits all the common properties defined in designware-pcie.txt.
>> +
>> +Required properties:
>> + - compatible: "st,stih407-pcie"
>> + - reg: base address and length of the pcie controller, mem-window address
>> + and length available to the controller.
>> + - interrupts: A list of interrupt outputs of the controller.
>> + - interrupt-names: Must include the following entries:
>> + "msi": STi interrupt that is asserted when an MSI is received
>
> You should specify that only one interrupt may be present.
> If you extend the binding, you will need to describe what the
> second one is as well.
>
ok, i will change into:
"
- interrupts: A list of interrupt outputs of the controller. Must contain an
entry for each entry in the interrupt-names property.
>> + - st,syscfg : should be a phandle of the syscfg node. Also contains syscfg
>> + offset for IP configuration.
>> + - resets, reset-names: the power-down and soft-reset lines of PCIe IP.
>> + Associated names must be "powerdown" and "softreset".
>> + - phys, phy-names: the phandle for the PHY device.
>> + Associated name must be "pcie_phy"
>
> Names should not have underscores in them in general. "pcie-phy" would
> be fine, but just "pcie" seems good enough, unless there are existing
> drivers that have established a specific naming.
>
just "pcie" is fine for me
BR
Gabriel
>
> Arnd
>
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