Re: [PATCH v7 13/19] dt-bindings: dma: ti: Add K3 BCDMA V2
From: Krzysztof Kozlowski
Date: Sat Jul 25 2026 - 11:25:21 EST
On Fri, Jul 24, 2026 at 03:50:46PM +0530, Sai Sree Kartheek Adivi wrote:
> + "#dma-cells":
> + const: 4
> + description: |
> + cell 1: Trigger type for the channel
> + 0 - disable / no trigger
> + 1 - internal channel event
> + 2 - external signal
> + 3 - timer manager event
> +
> + cell 2: parameter for the trigger:
> + if cell 1 is 0 (disable / no trigger):
> + Unused, ignored
> + if cell 1 is 1 (internal channel event):
> + channel number whose TR event should trigger the current channel.
> + if cell 1 is 2 or 3 (external signal or timer manager event):
> + index of global interfaces that come into the DMA.
> +
> + Please refer to the device documentation for global interface indexes.
> +
> + cell 3: Channel ID for the peripheral
> + This is the mapped_channel_id assigned to the peripheral in the PSI-L
> + endpoint map. For XYMF peripherals (SPI, CRC32) each chip-select/FIFO
> + has a distinct channel ID; use the channel ID for the specific
> + direction and chip-select being requested. Use 0 for triggered
> + block-copy channels (cell 1 != 0).
> +
> + Please refer to the device documentation for the channel map.
> +
> + cell 4: ASEL value for the channel
> +
> + interrupts:
> + minItems: 75
You can drop this
> + maxItems: 75
> + description:
> + Interrupts for DMA channels.
> +
> + interrupt-names:
> + minItems: 75
And this as well, implied by maxItems.
With these:
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
Best regards,
Krzysztof