Re: [PATCH v2 2/6] dt-bindings: dma: dw: Add max burst transaction length property

From: Andy Shevchenko
Date: Fri May 08 2020 - 07:12:44 EST


On Fri, May 08, 2020 at 01:53:00PM +0300, Serge Semin wrote:
> This array property is used to indicate the maximum burst transaction
> length supported by each DMA channel.

> + snps,max-burst-len:
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + description: |
> + Maximum length of burst transactions supported by hardware.
> + It's an array property with one cell per channel in units of
> + CTLx register SRC_TR_WIDTH/DST_TR_WIDTH (data-width) field.
> + items:
> + maxItems: 8
> + items:

> + enum: [4, 8, 16, 32, 64, 128, 256]

Isn't 1 allowed?

> + default: 256

--
With Best Regards,
Andy Shevchenko