Re: [PATCH v3] dt-bindings: PCI: ti,j721e-pci-host: Add support for J722S SoC

From: Siddharth Vadapalli
Date: Tue Feb 13 2024 - 01:13:39 EST




On 24/01/24 21:40, Conor Dooley wrote:
> On Wed, Jan 24, 2024 at 05:59:36PM +0530, Siddharth Vadapalli wrote:
>> TI's J722S SoC has one instance of a Gen3 Single-Lane PCIe controller.
>> The controller on J722S SoC is similar to the one present on TI's AM64
>> SoC, with the difference being that the controller on AM64 SoC supports
>> up to Gen2 link speed while the one on J722S SoC supports Gen3 link speed.
>>
>> Update the bindings with a new compatible for J722S SoC.
>>
>> Technical Reference Manual of J722S SoC: https://www.ti.com/lit/zip/sprujb3
>>
>> Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx>
>
> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Bjorn, Rob,

Could you please merge this patch? This patch applies cleanly on the latest
linux-next tagged next-20240213.

>
> Cheers,
> Conor.
>
>> ---
>>
>> Hello,
>>
>> This patch is based on linux-next tagged next-20240124.
>>
>> v2:
>> https://lore.kernel.org/r/20240122064457.664542-1-s-vadapalli@xxxxxx/
>> Changes since v2:
>> - Added fallback compatible for "ti,j722s-pcie-host" as
>> "ti,j721e-pcie-host" based on Conor's suggestion at:
>> https://lore.kernel.org/r/20240122-getting-drippy-bb22a0634092@spud/#t
>>
>> v1:
>> https://lore.kernel.org/r/20240117102526.557006-1-s-vadapalli@xxxxxx/
>> Changes since v1:
>> - Dropped patches 1/3 and 2/3 of the v1 series as discussed in the v1
>> thread.
>> - Updated patch 3/3 which is the v1 for this patch by dropping the checks
>> for the "num-lanes" property and "max-link-speed" property since the PCI
>> driver already validates the "num-lanes" property.
>>
>> Regards,
>> Siddharth.
>>
>> Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml | 4 ++++
>> 1 file changed, 4 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
>> index b7a534cef24d..ac69deeaf1ee 100644
>> --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
>> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
>> @@ -23,6 +23,10 @@ properties:
>> items:
>> - const: ti,j7200-pcie-host
>> - const: ti,j721e-pcie-host
>> + - description: PCIe controller in J722S
>> + items:
>> + - const: ti,j722s-pcie-host
>> + - const: ti,j721e-pcie-host
>>
>> reg:
>> maxItems: 4
>> --
>> 2.34.1
>>

--
Regards,
Siddharth.