[PATCH v5 1/3] dt-bindings: dma: arm-dma350: document combined and per-channel IRQ topologies

[Jun Guo]

Hi Rob,

Thanks for your review. I have already resubmitted the V6 patch. Please 
take a look at the latest v6 patch when you have time, as it includes 
considerable changes compared to the v5 version.

On 4/8/2026 1:20 AM, Rob Herring wrote:
> EXTERNAL EMAIL
> 
> On Tue, Mar 24, 2026 at 08:01:11PM +0800, Jun Guo wrote:
>> Document the interrupt topologies supported by DMA-350 integration:
>> - one combined interrupt for all channels, or
>> - one interrupt per channel (up to 8 channels).
>>
>> Assisted-by: Cursor:GPT-5.3-Codex
>> Signed-off-by: Jun Guo <jun.guo at cixtech.com>
>> ---
>>   .../devicetree/bindings/dma/arm,dma-350.yaml  | 25 ++++++++++++-------
>>   1 file changed, 16 insertions(+), 9 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
>> index 429f682f15d8..bec9dc32541b 100644
>> --- a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
>> +++ b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
>> @@ -22,15 +22,22 @@ properties:
>>
>>     interrupts:
>>       minItems: 1
>> -    items:
>> -      - description: Channel 0 interrupt
>> -      - description: Channel 1 interrupt
>> -      - description: Channel 2 interrupt
>> -      - description: Channel 3 interrupt
>> -      - description: Channel 4 interrupt
>> -      - description: Channel 5 interrupt
>> -      - description: Channel 6 interrupt
>> -      - description: Channel 7 interrupt
>> +    maxItems: 8
> 
> Don't need maxItems
> 
>> +    description:
>> +      Either one interrupt per channel (8 interrupts), or one
>> +      combined interrupt for all channels.
>> +    oneOf:
>> +      - items:
>> +          - description: Channel 0 interrupt
>> +          - description: Channel 1 interrupt
>> +          - description: Channel 2 interrupt
>> +          - description: Channel 3 interrupt
>> +          - description: Channel 4 interrupt
>> +          - description: Channel 5 interrupt
>> +          - description: Channel 6 interrupt
>> +          - description: Channel 7 interrupt
>> +      - items:
>> +          - description: Combined interrupt shared by all channels
>>
>>     "#dma-cells":
>>       const: 1
>> --
>> 2.34.1
>>