linux-kernel - Re: [PATCH v2 1/3] dt-bindings: PCI: ti,j721e: Add bindings to specify legacy interrupts

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Message-ID: <220bbd3c-304a-ba6a-d20e-634f23f4eed2@ti.com>
Date:   Thu, 23 Sep 2021 10:03:45 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Rob Herring <robh@...nel.org>
CC:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Marc Zyngier <maz@...nel.org>,
        Tom Joseph <tjoseph@...ence.com>, <linux-omap@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Lokesh Vutla <lokeshvutla@...com>
Subject: Re: [PATCH v2 1/3] dt-bindings: PCI: ti,j721e: Add bindings to
 specify legacy interrupts

Hi Rob,

On 18/08/21 7:28 pm, Kishon Vijay Abraham I wrote:
> Hi Rob,
> 
> On 13/08/21 10:47 pm, Rob Herring wrote:
>> On Wed, Aug 04, 2021 at 06:59:10PM +0530, Kishon Vijay Abraham I wrote:
>>> Add bindings to specify interrupt controller for legacy interrupts.
>>>
>>> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
>>> ---
>>>  .../bindings/pci/ti,j721e-pci-host.yaml           | 15 +++++++++++++++
>>>  1 file changed, 15 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
>>> index cc900202df29..f461d7b4c0cc 100644
>>> --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
>>> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
>>> @@ -74,6 +74,11 @@ properties:
>>>  
>>>    msi-map: true
>>>  
>>> +patternProperties:
>>> +  "interrupt-controller":
>>
>> Not a pattern unless you meant for foo-interrupt-controller-bar to be 
>> valid.
>>
>> Anything is allowed in the node?
> 
> It's same as whatever is defined in schemas/interrupt-controller.yaml,
> just that it should be a subnode of pcie@. Should I add whatever is
> present in schemas/interrupt-controller.yaml here?

Can you suggest how to include this?

Thanks,
Kishon

> 
> Thanks
> Kishon
>>
>>> +    type: object
>>> +    description: interrupt controller to handle legacy interrupts.
>>> +
>>>  required:
>>>    - compatible
>>>    - reg
>>> @@ -97,6 +102,8 @@ unevaluatedProperties: false
>>>  
>>>  examples:
>>>    - |
>>> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
>>> +    #include <dt-bindings/interrupt-controller/irq.h>
>>>      #include <dt-bindings/soc/ti,sci_pm_domain.h>
>>>      #include <dt-bindings/gpio/gpio.h>
>>>  
>>> @@ -131,5 +138,13 @@ examples:
>>>              ranges = <0x01000000 0x0 0x10001000  0x00 0x10001000  0x0 0x0010000>,
>>>                       <0x02000000 0x0 0x10011000  0x00 0x10011000  0x0 0x7fef000>;
>>>              dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x10000 0x0>;
>>> +
>>> +
>>> +            pcie0_intc: interrupt-controller {
>>> +                    interrupt-controller;
>>> +                    #interrupt-cells = <1>;
>>> +                    interrupt-parent = <&gic500>;
>>> +                    interrupts = <GIC_SPI 312 IRQ_TYPE_EDGE_RISING>;
>>> +            };
>>>          };
>>>      };
>>> -- 
>>> 2.17.1
>>>
>>>