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