linux-kernel - Re: [PATCH v5 1/3] PCI: Add DT binding for tango PCIe controller

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Date:   Tue, 13 Jun 2017 12:55:48 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Mason <slash.tmp@...e.fr>, Rob Herring <robh@...nel.org>
Cc:     Marc Gonzalez <marc_gonzalez@...madesigns.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Robin Murphy <robin.murphy@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Liviu Dudau <liviu.dudau@....com>,
        David Laight <david.laight@...lab.com>,
        linux-pci <linux-pci@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Thibaud Cornic <thibaud_cornic@...madesigns.com>,
        Phuong Nguyen <phuong_nguyen@...madesigns.com>,
        LKML <linux-kernel@...r.kernel.org>,
        DT <devicetree@...r.kernel.org>
Subject: Re: [PATCH v5 1/3] PCI: Add DT binding for tango PCIe controller

On 07/06/17 23:34, Mason wrote:
> Hello Rob,
> 
> On 07/06/2017 23:29, Rob Herring wrote:
>> On Wed, May 31, 2017 at 03:30:26PM +0200, Marc Gonzalez wrote:
>>> Binding for the Sigma Designs SMP8759 SoC.
>>>
>>> Signed-off-by: Marc Gonzalez <marc_gonzalez@...madesigns.com>
>>> ---
>>>  Documentation/devicetree/bindings/pci/tango-pcie.txt | 30 ++++++++++++++++++++++++++++++
>>>  1 file changed, 30 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/pci/tango-pcie.txt b/Documentation/devicetree/bindings/pci/tango-pcie.txt
>>> new file mode 100644
>>> index 000000000000..35ef2c811a27
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/pci/tango-pcie.txt
>>> @@ -0,0 +1,30 @@
>>> +Sigma Designs Tango PCIe controller
>>> +
>>> +Required properties:
>>> +
>>> +- compatible: "sigma,smp8759-pcie"
>>> +- reg: address/size of PCI configuration space, address/size of register area
>>> +- device_type: "pci"
>>> +- #size-cells: <2>
>>> +- #address-cells: <3>
>>> +- msi-controller
>>> +- ranges: translation from system to bus addresses
>>> +- interrupts: spec for misc interrupts, spec for MSI
>>> +
>>> +http://elinux.org/Device_Tree_Usage#PCI_Address_Translation
>>> +http://elinux.org/Device_Tree_Usage#Advanced_Interrupt_Mapping
>>
>> Why are these here?
> 
> I found these references very helpful when writing the node.
> Where would you put them? In the example?

I don't think they belong in this document at all.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...