[PATCH v5 02/10] dt-bindings: clock: Add required "interconnect-cells" property
Konrad Dybcio
konrad.dybcio at oss.qualcomm.com
Fri Sep 12 02:13:47 PDT 2025
On 9/12/25 11:13 AM, Konrad Dybcio wrote:
> On 9/12/25 9:04 AM, Krzysztof Kozlowski wrote:
>> On Tue, Sep 09, 2025 at 09:39:11PM +0800, Luo Jie wrote:
>>> The Networking Subsystem (NSS) clock controller acts as both a clock
>>> provider and an interconnect provider. The #interconnect-cells property
>>> is mandatory in the Device Tree Source (DTS) to ensure that client
>>> drivers, such as the PPE driver, can correctly acquire ICC clocks from
>>> the NSS ICC provider.
>>>
>>> Although this property is already present in the NSS CC node of the DTS
>>> for CMN PLL for IPQ9574 SoC which is currently supported, it was previously
>>> omitted from the list of required properties in the bindings documentation.
>>> Adding this as a required property is not expected to break the ABI for
>>> currently supported SoC.
>>>
>>> Marking #interconnect-cells as required to comply with Device Tree (DT)
>>> binding requirements for interconnect providers.
>>
>> DT bindings do not require interconnect-cells, so that's not a correct
>> reason. Drop them from required properties.
>
> "Mark #interconnect-cells as required to allow consuming the provided
> interconnect endpoints"?
"which are in turn necessary for the SoC to function"
Konrad
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